From 9495614038b65ca1272d5be2d2bea80b8a5b5d75 Mon Sep 17 00:00:00 2001 From: Yagami Date: Wed, 24 Oct 2018 09:52:56 +0800 Subject: [PATCH] * Delete xuanxuan file. --- config/ext/xuanxuan.php | 43 - db/xuanxuan.sql | 76 - framework/xuanxuan.class.php | 353 -- lib/phpaes/phpaes.class.php | 47 - .../phpseclib/Common/Functions/Objects.php | 75 - .../phpseclib/Common/Functions/Strings.php | 228 - lib/phpaes/phpseclib/Crypt/AES.php | 135 - lib/phpaes/phpseclib/Crypt/Blowfish.php | 559 --- .../phpseclib/Crypt/Common/AsymmetricKey.php | 660 --- .../phpseclib/Crypt/Common/BlockCipher.php | 28 - .../phpseclib/Crypt/Common/Keys/OpenSSH.php | 139 - .../phpseclib/Crypt/Common/Keys/PKCS.php | 80 - .../phpseclib/Crypt/Common/Keys/PKCS1.php | 224 - .../phpseclib/Crypt/Common/Keys/PKCS8.php | 609 --- .../phpseclib/Crypt/Common/Keys/PuTTY.php | 230 - .../phpseclib/Crypt/Common/Signature/Raw.php | 67 - .../phpseclib/Crypt/Common/StreamCipher.php | 27 - .../phpseclib/Crypt/Common/SymmetricKey.php | 2588 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define('TABLE_IM_CHAT', '`' . $config->db->prefix . 'im_chat`'); -if(!defined('TABLE_IM_MESSAGE')) define('TABLE_IM_MESSAGE', '`' . $config->db->prefix . 'im_message`'); -if(!defined('TABLE_IM_CHATUSER')) define('TABLE_IM_CHATUSER', '`' . $config->db->prefix . 'im_chatuser`'); -if(!defined('TABLE_IM_MESSAGESTATUS')) define('TABLE_IM_MESSAGESTATUS', '`' . $config->db->prefix . 'im_messagestatus`'); - -$config->xuanxuan->enabledMethods['chat']['serverstart'] = 'serverStart'; -$config->xuanxuan->enabledMethods['chat']['login'] = 'login'; -$config->xuanxuan->enabledMethods['chat']['logout'] = 'logout'; -$config->xuanxuan->enabledMethods['chat']['usergetlist'] = 'userGetList'; -$config->xuanxuan->enabledMethods['chat']['userchange'] = 'userChange'; -$config->xuanxuan->enabledMethods['chat']['ping'] = 'ping'; -$config->xuanxuan->enabledMethods['chat']['getpubliclist'] = 'getPublicList'; -$config->xuanxuan->enabledMethods['chat']['getlist'] = 'getList'; -$config->xuanxuan->enabledMethods['chat']['members'] = 'members'; -$config->xuanxuan->enabledMethods['chat']['getofflinemessages'] = 'getOfflineMessages'; -$config->xuanxuan->enabledMethods['chat']['create'] = 'create'; -$config->xuanxuan->enabledMethods['chat']['setadmin'] = 'setAdmin'; -$config->xuanxuan->enabledMethods['chat']['joinchat'] = 'joinChat'; -$config->xuanxuan->enabledMethods['chat']['changename'] = 'changeName'; -$config->xuanxuan->enabledMethods['chat']['dismiss'] = 'dismiss'; -$config->xuanxuan->enabledMethods['chat']['setcommitters'] = 'setCommitters'; -$config->xuanxuan->enabledMethods['chat']['changepublic'] = 'changePublic'; -$config->xuanxuan->enabledMethods['chat']['star'] = 'star'; -$config->xuanxuan->enabledMethods['chat']['hide'] = 'hide'; -$config->xuanxuan->enabledMethods['chat']['mute'] = 'mute'; -$config->xuanxuan->enabledMethods['chat']['category'] = 'category'; -$config->xuanxuan->enabledMethods['chat']['addmember'] = 'addMember'; -$config->xuanxuan->enabledMethods['chat']['message'] = 'message'; -$config->xuanxuan->enabledMethods['chat']['history'] = 'history'; -$config->xuanxuan->enabledMethods['chat']['settings'] = 'settings'; -$config->xuanxuan->enabledMethods['chat']['uploadfile'] = 'uploadFile'; -$config->xuanxuan->enabledMethods['chat']['getofflinenotify'] = 'getofflinenotify'; -$config->xuanxuan->enabledMethods['chat']['notify'] = 'notify'; -$config->xuanxuan->enabledMethods['chat']['upserttodo'] = 'upsertTodo'; -$config->xuanxuan->enabledMethods['chat']['gettodoes'] = 'getTodoes'; -$config->xuanxuan->enabledMethods['chat']['checkuserchange'] = 'checkUserChange'; -$config->xuanxuan->enabledMethods['chat']['extensions'] = 'extensions'; -$config->xuanxuan->enabledMethods['entry']['visit'] = 'visit'; diff --git a/db/xuanxuan.sql b/db/xuanxuan.sql deleted file mode 100644 index 0f8b4614d8..0000000000 --- a/db/xuanxuan.sql +++ /dev/null @@ -1,76 +0,0 @@ --- DROP TABLE IF EXISTS `zt_im_chat`; -CREATE TABLE IF NOT EXISTS `zt_im_chat` ( - `id` mediumint(8) unsigned NOT NULL AUTO_INCREMENT, - `gid` char(40) NOT NULL DEFAULT '', - `name` varchar(60) NOT NULL DEFAULT '', - `type` varchar(20) NOT NULL DEFAULT 'group', - `admins` varchar(255) NOT NULL DEFAULT '', - `committers` varchar(255) NOT NULL DEFAULT '', - `subject` mediumint(8) unsigned NOT NULL DEFAULT 0, - `public` enum('0', '1') NOT NULL DEFAULT '0', - `createdBy` varchar(30) NOT NULL DEFAULT '', - `createdDate` datetime NOT NULL DEFAULT '0000-00-00 00:00:00', - `editedBy` varchar(30) NOT NULL DEFAULT '', - `editedDate` datetime NOT NULL DEFAULT '0000-00-00 00:00:00', - `lastActiveTime` datetime NOT NULL DEFAULT '0000-00-00 00:00:00', - `dismissDate` datetime NOT NULL DEFAULT '0000-00-00 00:00:00', - PRIMARY KEY (`id`), - KEY `gid` (`gid`), - KEY `name` (`name`), - KEY `type` (`type`), - KEY `public` (`public`), - KEY `createdBy` (`createdBy`), - KEY `editedBy` (`editedBy`) -) ENGINE=MyISAM DEFAULT CHARSET=utf8; - --- DROP TABLE IF EXISTS `zt_im_message`; -CREATE TABLE IF NOT EXISTS `zt_im_message` ( - `id` mediumint(8) unsigned NOT NULL AUTO_INCREMENT, - `gid` char(40) NOT NULL DEFAULT '', - `cgid` char(40) NOT NULL DEFAULT '', - `user` varchar(30) NOT NULL DEFAULT '', - `date` datetime NOT NULL DEFAULT '0000-00-00 00:00:00', - `order` bigint(8) unsigned NOT NULL, - `type` enum('normal', 'broadcast', 'notify') NOT NULL DEFAULT 'normal', - `content` text NOT NULL DEFAULT '', - `contentType` enum('text', 'plain', 'emotion', 'image', 'file', 'object') NOT NULL DEFAULT 'text', - `data` text NOT NULL DEFAULT '', - PRIMARY KEY (`id`), - KEY `mgid` (`gid`), - KEY `mcgid` (`cgid`), - KEY `muser` (`user`), - KEY `mtype` (`type`) -) ENGINE=MyISAM DEFAULT CHARSET=utf8; - --- DROP TABLE IF EXISTS `zt_im_chatuser`; -CREATE TABLE IF NOT EXISTS `zt_im_chatuser`( - `id` mediumint(8) unsigned NOT NULL AUTO_INCREMENT, - `cgid` char(40) NOT NULL DEFAULT '', - `user` mediumint(8) NOT NULL DEFAULT 0, - `order` smallint(5) NOT NULL DEFAULT 0, - `star` enum('0', '1') NOT NULL DEFAULT '0', - `hide` enum('0', '1') NOT NULL DEFAULT '0', - `mute` enum('0', '1') NOT NULL DEFAULT '0', - `join` datetime NOT NULL DEFAULT '0000-00-00 00:00:00', - `quit` datetime NOT NULL DEFAULT '0000-00-00 00:00:00', - `category` varchar(40) NOT NULL DEFAULT '', - PRIMARY KEY (`id`), - KEY `cgid` (`cgid`), - KEY `user` (`user`), - KEY `order` (`order`), - KEY `star` (`star`), - KEY `hide` (`hide`), - UNIQUE KEY `chatuser` (`cgid`, `user`) -) ENGINE=MyISAM DEFAULT CHARSET=utf8; - --- DROP TABLE IF EXISTS `zt_im_messagestatus`; -CREATE TABLE `zt_im_messagestatus` ( - `user` mediumint(8) NOT NULL DEFAULT 0, - `gid` char(40) NOT NULL DEFAULT '', - `status` enum('waiting','sent','readed','deleted') NOT NULL DEFAULT 'waiting', - UNIQUE KEY `user` (`user`,`gid`) -) ENGINE=MyISAM DEFAULT CHARSET=utf8; - -ALTER TABLE `zt_user` ADD `status` enum('online', 'away', 'busy', 'offline') NOT NULL DEFAULT 'offline'; -ALTER TABLE `zt_file` CHANGE `pathname` `pathname` char(100) NOT NULL; - diff --git a/framework/xuanxuan.class.php b/framework/xuanxuan.class.php deleted file mode 100644 index 056420dd27..0000000000 --- a/framework/xuanxuan.class.php +++ /dev/null @@ -1,353 +0,0 @@ -setViewType(); - $this->setClientLang('zh-cn'); - } - - /** - * Set view type. - * - * @access public - * @return void - */ - public function setViewType() - { - $this->viewType = 'json'; - } - - /** - * 加载common模块。 - * - * common模块比较特别，它会执行几乎每次请求都需要执行的操作，例如： - * 打开session，检查权限等等。 - * 加载完$lang, $config, $dbh后，需要在入口文件(www/index.php)中手动调用该方法。 - * - * Load the common module - * - * The common module is a special module, which can be used to do some common things. For examle: - * start session, check priviledge and so on. - * This method should called manually in the router file(www/index.php) after the $lang, $config, $dbh loaded. - * - * @access public - * @return object|bool the common model object or false if not exits. - */ - public function loadCommon() - { - $result = parent::loadCommon(); - - $this->initAES(); - - return $result; - } - - /** - * Init aes object. - * - * @access public - * @return void - */ - public function initAES() - { - $key = $this->config->xuanxuan->key; - $iv = substr($key, 0, 16); - $this->aes = $this->loadClass('phpaes'); - $this->aes->init($key, $iv); - if($this->config->debug) - { - $this->log("engine: " . $this->aes->getEngine()); - } - } - - /** - * Set params. - * - * @param array $params - * @access public - * @return void - */ - public function setParams($params = array()) - { - $this->params = $params; - } - - /** - * 解析本次请求的入口方法，根据请求的类型(PATH_INFO GET)，调用相应的方法。 - * The entrance of parseing request. According to the requestType, call related methods. - * - * @access public - * @return void - */ - public function parseRequest() - { - $input = file_get_contents("php://input"); - $input = $this->decrypt($input); - $version = !empty($input->v) ? $input->v : ''; - $userID = !empty($input->userID) ? $input->userID : ''; - $client = !empty($input->client) ? $input->client : ''; - $module = !empty($input->module) ? $input->module : ''; - $method = !empty($input->method) ? $input->method : ''; - $params = !empty($input->params) ? $input->params : array(); - - $module = strtolower($module); - $method = strtolower($method); - - if(!isset($this->config->xuanxuan->enabledMethods[$module][$method])) - { - $data = new stdclass(); - $data->module = 'chat'; - $data->method = 'kickoff'; - $data->data = 'Illegal Requset.'; - die($this->encrypt($data)); - } - - if($module == 'chat' && $method == 'login' && is_array($params)) - { - /* params[0] is the server name. */ - unset($params[0]); - } - if(is_array($params)) - { - $params[] = $userID; - $params[] = $version; - } - - $this->session->set('userID', $userID); - $this->session->set('clientIP', $client); - - $this->setModuleName($module); - $this->setMethodName($method); - $this->setParams($params); - $this->setControlFile(); - } - - /** - * 加载一个模块： - * 1. 引入控制器文件或扩展的方法文件； - * 2. 创建control对象； - * 3. 解析url，得到请求的参数； - * 4. 使用call_user_function_array调用相应的方法。 - * - * Load a module. - * 1. include the control file or the extension action file. - * 2. create the control object. - * 3. set the params passed in through url. - * 4. call the method by call_user_function_array - * - * @access public - * @return bool|object if the module object of die. - */ - public function loadModule() - { - $appName = $this->appName; - $moduleName = $this->moduleName; - $methodName = $this->methodName; - - /* - * 引入该模块的control文件。 - * Include the control file of the module. - **/ - $file2Included = $this->setActionExtFile() ? $this->extActionFile : $this->controlFile; - chdir(dirname($file2Included)); - helper::import($file2Included); - - /* - * 设置control的类名。 - * Set the class name of the control. - **/ - $className = class_exists("my$moduleName") ? "my$moduleName" : $moduleName; - if(!class_exists($className)) - { - $this->triggerError("the control $className not found", __FILE__, __LINE__); - return false; - } - - /* - * 创建control类的实例。 - * Create a instance of the control. - **/ - $module = new $className(); - if(!method_exists($module, $methodName)) - { - $this->triggerError("the module $moduleName has no $methodName method", __FILE__, __LINE__); - return false; - } - /* If the db server restarted, must reset dbh. */ - $this->control = $module; - - /* include default value for module*/ - $defaultValueFiles = glob($this->getTmpRoot() . "defaultvalue/*.php"); - if($defaultValueFiles) foreach($defaultValueFiles as $file) include $file; - - /* - * 使用反射机制获取函数参数的默认值。 - * Get the default settings of the method to be called using the reflecting. - * - * */ - $defaultParams = array(); - $methodReflect = new reflectionMethod($className, $methodName); - foreach($methodReflect->getParameters() as $param) - { - $name = $param->getName(); - - $default = '_NOT_SET'; - if(isset($paramDefaultValue[$appName][$className][$methodName][$name])) - { - $default = $paramDefaultValue[$appName][$className][$methodName][$name]; - } - elseif(isset($paramDefaultValue[$className][$methodName][$name])) - { - $default = $paramDefaultValue[$className][$methodName][$name]; - } - elseif($param->isDefaultValueAvailable()) - { - $default = $param->getDefaultValue(); - } - - $defaultParams[$name] = $default; - } - - /* Merge params. */ - $params = array(); - if(isset($this->params)) - { - $params = $this->mergeParams($defaultParams, (array)$this->params); - } - else - { - $this->triggerError("param error: {$this->request->raw}", __FILE__, __LINE__); - return false; - } - - /* Call the method. */ - $this->response = call_user_func_array(array($module, $methodName), $params); - return true; - } - - /** - * 合并请求的参数和默认参数，这样就可以省略已经有默认值的参数了。 - * Merge the params passed in and the default params. Thus the params which have default values needn't pass value, just like a function. - * - * @param array $defaultParams the default params defined by the method. - * @param array $passedParams the params passed in through url. - * @access public - * @return array the merged params. - */ - public function mergeParams($defaultParams, $passedParams) - { - /* Remove these two params. */ - unset($passedParams['onlybody']); - unset($passedParams['HTTP_X_REQUESTED_WITH']); - - /* Check params from URL. */ - foreach($passedParams as $param => $value) - { - if(preg_match('/[^a-zA-Z0-9_\.]/', $param)) die('Bad Request!'); - } - - $passedParams = array_values($passedParams); - $i = 0; - foreach($defaultParams as $key => $defaultValue) - { - if(isset($passedParams[$i])) - { - $defaultParams[$key] = $passedParams[$i]; - } - else - { - if($defaultValue === '_NOT_SET') $this->triggerError("The param '$key' should pass value. ", __FILE__, __LINE__, $exit = true); - } - $i ++; - } - - return $defaultParams; - } - - /** - * Decrypt an input string. - * - * @param string $input - * @access public - * @return object - */ - public function decrypt($input = '') - { - $input = $this->aes->decrypt($input); - if($this->config->debug) - { - $this->log("decrypt: " . $input); - } - $input = json_decode($input); - return $input; - } - - /** - * Encrypt an output object. - * - * @param int $output - * @access public - * @return string - */ - public function encrypt($output = null) - { - if(is_object($output)) $output->v = $this->config->xuanxuan->version; - - $output = helper::jsonEncode($output); - if($this->config->debug) - { - $this->log("encrypt: " . $output); - } - $output = $this->aes->encrypt($output); - return helper::removeUTF8Bom($output); - } - - /** - * Save a log. - * - * @param string $log - * @param string $file - * @param string $line - * @access public - * @return void - */ - public function log($message, $file = '', $line = '') - { - $log = "\n" . date('H:i:s') . " $message"; - if($file) $log .= " in $file"; - if($line) $log .= " on line $line "; - $file = $this->getLogRoot() . 'xuanxuan.log.php'; - if(!is_file($file)) file_put_contents($file, "\n"); - - $fh = @fopen($file, 'a'); - if($fh) fwrite($fh, $log) && fclose($fh); - } -} diff --git a/lib/phpaes/phpaes.class.php b/lib/phpaes/phpaes.class.php deleted file mode 100644 index 0902a0dd51..0000000000 --- a/lib/phpaes/phpaes.class.php +++ /dev/null @@ -1,47 +0,0 @@ -aes = new AES(self::MODE_CBC); - $this->aes->setKey($key); - $this->aes->setIV($iv); - } - - public function encrypt($output) - { - return $this->aes->encrypt($output); - } - - public function decrypt($input) - { - return $this->aes->decrypt($input); - } - - public function getEngine() - { - switch($this->aes->getEngine()) - { - case self::ENGINE_INTERNAL : return 'ENGINE_INTERNAL'; - case self::ENGINE_EVAL : return 'ENGINE_EVAL'; - case self::ENGINE_MCRYPT : return 'ENGINE_MCRYPT'; - case self::ENGINE_OPENSSL : return 'ENGINE_OPENSSL'; - default: return 'error'; - } - } -} diff --git a/lib/phpaes/phpseclib/Common/Functions/Objects.php b/lib/phpaes/phpseclib/Common/Functions/Objects.php deleted file mode 100644 index cb87b1a71d..0000000000 --- a/lib/phpaes/phpseclib/Common/Functions/Objects.php +++ /dev/null @@ -1,75 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Common\Functions; - -/** - * Common Object Functions - * - * @package Functions\Objects - * @author Jim Wigginton - */ -abstract class Objects -{ - /** - * Accesses a private variable from an object - * - * @param Object $obj - * @param string $var - * @return mixed - * @access public - */ - public static function getVar($obj, $var) - { - $reflection = new \ReflectionClass(get_class($obj)); - $prop = $reflection->getProperty($var); - $prop->setAccessible(true); - return $prop->getValue($obj); - } - - /** - * Sets the value of a private variable in an object - * - * @param Object $obj - * @param string $var - * @param mixed $val - * @return mixed - * @access public - */ - public static function setVar($obj, $var, $val) - { - $reflection = new \ReflectionClass(get_class($obj)); - $prop = $reflection->getProperty($var); - $prop->setAccessible(true); - return $prop->setValue($obj, $val); - } - - /** - * Accesses a private method from an object - * - * @param Object $obj - * @param string $func - * @param array $params - * @return mixed - * @access public - */ - public static function callFunc($obj, $func, $params = array()) - { - $reflection = new \ReflectionClass(get_class($obj)); - $method = $reflection->getMethod($func); - $method->setAccessible(true); - return $method->invokeArgs($obj, $params); - } -} diff --git a/lib/phpaes/phpseclib/Common/Functions/Strings.php b/lib/phpaes/phpseclib/Common/Functions/Strings.php deleted file mode 100644 index 2e6f486582..0000000000 --- a/lib/phpaes/phpseclib/Common/Functions/Strings.php +++ /dev/null @@ -1,228 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Common\Functions; - -use phpseclib\Math\BigInteger; - -/** - * Common String Functions - * - * @package Functions\Strings - * @author Jim Wigginton - */ -abstract class Strings -{ - /** - * String Shift - * - * Inspired by array_shift - * - * @param string $string - * @param int $index - * @access public - * @return string - */ - public static function shift(&$string, $index = 1) - { - $substr = substr($string, 0, $index); - $string = substr($string, $index); - return $substr; - } - - /** - * String Pop - * - * Inspired by array_pop - * - * @param string $string - * @param int $index - * @access public - * @return string - */ - public static function pop(&$string, $index = 1) - { - $substr = substr($string, -$index); - $string = substr($string, 0, -$index); - return $substr; - } - - /** - * Performs blinded equality testing on strings - * - * Protects against a particular type of timing attack described. - * - * See {@link http://codahale.com/a-lesson-in-timing-attacks/ A Lesson In Timing Attacks (or, Don't use MessageDigest.isEquals)} - * - * Thanks for the heads up singpolyma! - * - * @access public - * @param string $x - * @param string $y - * @return bool - */ - public static function equals($x, $y) - { - if (strlen($x) != strlen($y)) { - return false; - } - - $result = 0; - for ($i = 0; $i < strlen($x); $i++) { - $result |= ord($x[$i]) ^ ord($y[$i]); - } - - return $result == 0; - } - - /** - * Parse SSH2-style string - * - * Returns either an array or a boolean if $data is malformed. - * - * Valid characters for $format are as follows: - * - * C = byte - * b = boolean (true/false) - * N = uint32 - * s = string - * i = mpint - * l = name-list - * - * uint64 is not supported. - * - * @param string $string - * @param int $index - * @access public - * @return mixed - */ - public static function unpackSSH2($format, $data) - { - $result = array(); - for ($i = 0; $i < strlen($format); $i++) { - switch ($format[$i]) { - case 'C': - case 'b': - if (!strlen($data)) { - return false; - } - break; - case 'N': - case 'i': - case 's': - case 'l': - if (strlen($data) < 4) { - return false; - } - break; - default: - throw new \InvalidArgumentException('$format contains an invalid character'); - } - switch ($format[$i]) { - case 'C': - $result[] = ord(self::shift($data)); - continue 2; - case 'b': - $result[] = ord(self::shift($data)) != 0; - continue 2; - case 'N': - list(, $temp) = unpack('N', self::shift($data, 4)); - $result[] = $temp; - continue 2; - } - list(, $length) = unpack('N', self::shift($data, 4)); - if (strlen($data) < $length) { - return false; - } - $temp = self::shift($data, $length); - switch ($format[$i]) { - case 'i': - $result[] = new BigInteger($temp, -256); - break; - case 's': - $result[] = $temp; - break; - case 'l': - $result[] = explode(',', $temp); - } - } - - return $result; - } - - /** - * Create SSH2-style string - * - * @param mixed $input.. - * @access public - * @return mixed - */ - public static function packSSH2() - { - $elements = func_get_args(); - $format = $elements[0]; - array_shift($elements); - if (strlen($format) != count($elements)) { - throw new \InvalidArgumentException('There must be as many arguments as there are characters in the $format string'); - } - $result = ''; - for ($i = 0; $i < strlen($format); $i++) { - $element = $elements[$i]; - switch ($format[$i]) { - case 'C': - if (!is_int($element)) { - throw new \InvalidArgumentException('Bytes must be represented as an integer between 0 and 255, inclusive.'); - } - $result.= pack('C', $element); - break; - case 'b': - if (!is_bool($element)) { - throw new \InvalidArgumentException('A boolean parameter was expected.'); - } - $result.= $element ? "\1" : "\0"; - break; - case 'N': - if (!is_int($element)) { - throw new \InvalidArgumentException('An integer was expected.'); - } - $result.= pack('N', $element); - break; - case 's': - if (!is_string($element)) { - throw new \InvalidArgumentException('A string was expected.'); - } - $result.= pack('Na*', strlen($element), $element); - break; - case 'i': - if (!$element instanceof BigInteger) { - throw new \InvalidArgumentException('A phpseclib\Math\BigInteger object was expected.'); - } - $element = $element->toBytes(true); - $result.= pack('Na*', strlen($element), $element); - break; - case 'l': - if (!is_array($element)) { - throw new \InvalidArgumentException('An array was expected.'); - } - $element = implode(',', $element); - $result.= pack('Na*', strlen($element), $element); - break; - default: - throw new \InvalidArgumentException('$format contains an invalid character'); - } - } - return $result; - } -} diff --git a/lib/phpaes/phpseclib/Crypt/AES.php b/lib/phpaes/phpseclib/Crypt/AES.php deleted file mode 100644 index e7e8aad3e7..0000000000 --- a/lib/phpaes/phpseclib/Crypt/AES.php +++ /dev/null @@ -1,135 +0,0 @@ - - * setKey('abcdefghijklmnop'); - * - * $size = 10 * 1024; - * $plaintext = ''; - * for ($i = 0; $i < $size; $i++) { - * $plaintext.= 'a'; - * } - * - * echo $aes->decrypt($aes->encrypt($plaintext)); - * ?> - * - * - * @category Crypt - * @package AES - * @author Jim Wigginton - * @copyright 2008 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -//namespace phpseclib\Crypt; -include PHPAES_ROOT . '/phpseclib/Crypt/Rijndael.php'; - -/** - * Pure-PHP implementation of AES. - * - * @package AES - * @author Jim Wigginton - * @access public - */ -class AES extends Rijndael -{ - /** - * Dummy function - * - * Since \phpseclib\Crypt\AES extends \phpseclib\Crypt\Rijndael, this function is, technically, available, but it doesn't do anything. - * - * @see \phpseclib\Crypt\Rijndael::setBlockLength() - * @access public - * @param int $length - * @throws \BadMethodCallException anytime it's called - */ - public function setBlockLength($length) - { - throw new \BadMethodCallException('The block length cannot be set for AES.'); - } - - /** - * Sets the key length - * - * Valid key lengths are 128, 192, and 256. Set the link to bool(false) to disable a fixed key length - * - * @see \phpseclib\Crypt\Rijndael:setKeyLength() - * @access public - * @param int $length - * @throws \LengthException if the key length isn't supported - */ - public function setKeyLength($length) - { - switch ($length) { - case 128: - case 192: - case 256: - break; - default: - throw new \LengthException('Key of size ' . $length . ' not supported by this algorithm. Only keys of sizes 128, 192 or 256 supported'); - } - parent::setKeyLength($length); - } - - /** - * Sets the key. - * - * Rijndael supports five different key lengths, AES only supports three. - * - * @see \phpseclib\Crypt\Rijndael:setKey() - * @see setKeyLength() - * @access public - * @param string $key - * @throws \LengthException if the key length isn't supported - */ - public function setKey($key) - { - switch (strlen($key)) { - case 16: - case 24: - case 32: - break; - default: - throw new \LengthException('Key of size ' . strlen($key) . ' not supported by this algorithm. Only keys of sizes 16, 24 or 32 supported'); - } - - parent::setKey($key); - } - - /** - * Returns the class that defines the private methods - * - * @access private - * @return string - */ - protected function getClassContext() - { - return 'phpseclib\Crypt\Rijndael'; - } -} diff --git a/lib/phpaes/phpseclib/Crypt/Blowfish.php b/lib/phpaes/phpseclib/Crypt/Blowfish.php deleted file mode 100644 index ab79f2204d..0000000000 --- a/lib/phpaes/phpseclib/Crypt/Blowfish.php +++ /dev/null @@ -1,559 +0,0 @@ - - * setKey('12345678901234567890123456789012'); - * - * $plaintext = str_repeat('a', 1024); - * - * echo $blowfish->decrypt($blowfish->encrypt($plaintext)); - * ?> - * - * - * @category Crypt - * @package Blowfish - * @author Jim Wigginton - * @author Hans-Juergen Petrich - * @copyright 2007 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt; - -use phpseclib\Crypt\Common\BlockCipher; - -/** - * Pure-PHP implementation of Blowfish. - * - * @package Blowfish - * @author Jim Wigginton - * @author Hans-Juergen Petrich - * @access public - */ -class Blowfish extends BlockCipher -{ - /** - * Block Length of the cipher - * - * @see \phpseclib\Crypt\Common\SymmetricKey::block_size - * @var int - * @access private - */ - protected $block_size = 8; - - /** - * The mcrypt specific name of the cipher - * - * @see \phpseclib\Crypt\Common\SymmetricKey::cipher_name_mcrypt - * @var string - * @access private - */ - protected $cipher_name_mcrypt = 'blowfish'; - - /** - * Optimizing value while CFB-encrypting - * - * @see \phpseclib\Crypt\Common\SymmetricKey::cfb_init_len - * @var int - * @access private - */ - protected $cfb_init_len = 500; - - /** - * The fixed subkeys boxes ($sbox0 - $sbox3) with 256 entries each - * - * S-Box 0 - * - * @access private - * @var array - */ - private $sbox0 = [ - 0xd1310ba6, 0x98dfb5ac, 0x2ffd72db, 0xd01adfb7, 0xb8e1afed, 0x6a267e96, 0xba7c9045, 0xf12c7f99, - 0x24a19947, 0xb3916cf7, 0x0801f2e2, 0x858efc16, 0x636920d8, 0x71574e69, 0xa458fea3, 0xf4933d7e, - 0x0d95748f, 0x728eb658, 0x718bcd58, 0x82154aee, 0x7b54a41d, 0xc25a59b5, 0x9c30d539, 0x2af26013, - 0xc5d1b023, 0x286085f0, 0xca417918, 0xb8db38ef, 0x8e79dcb0, 0x603a180e, 0x6c9e0e8b, 0xb01e8a3e, - 0xd71577c1, 0xbd314b27, 0x78af2fda, 0x55605c60, 0xe65525f3, 0xaa55ab94, 0x57489862, 0x63e81440, - 0x55ca396a, 0x2aab10b6, 0xb4cc5c34, 0x1141e8ce, 0xa15486af, 0x7c72e993, 0xb3ee1411, 0x636fbc2a, - 0x2ba9c55d, 0x741831f6, 0xce5c3e16, 0x9b87931e, 0xafd6ba33, 0x6c24cf5c, 0x7a325381, 0x28958677, - 0x3b8f4898, 0x6b4bb9af, 0xc4bfe81b, 0x66282193, 0x61d809cc, 0xfb21a991, 0x487cac60, 0x5dec8032, - 0xef845d5d, 0xe98575b1, 0xdc262302, 0xeb651b88, 0x23893e81, 0xd396acc5, 0x0f6d6ff3, 0x83f44239, - 0x2e0b4482, 0xa4842004, 0x69c8f04a, 0x9e1f9b5e, 0x21c66842, 0xf6e96c9a, 0x670c9c61, 0xabd388f0, - 0x6a51a0d2, 0xd8542f68, 0x960fa728, 0xab5133a3, 0x6eef0b6c, 0x137a3be4, 0xba3bf050, 0x7efb2a98, - 0xa1f1651d, 0x39af0176, 0x66ca593e, 0x82430e88, 0x8cee8619, 0x456f9fb4, 0x7d84a5c3, 0x3b8b5ebe, - 0xe06f75d8, 0x85c12073, 0x401a449f, 0x56c16aa6, 0x4ed3aa62, 0x363f7706, 0x1bfedf72, 0x429b023d, - 0x37d0d724, 0xd00a1248, 0xdb0fead3, 0x49f1c09b, 0x075372c9, 0x80991b7b, 0x25d479d8, 0xf6e8def7, - 0xe3fe501a, 0xb6794c3b, 0x976ce0bd, 0x04c006ba, 0xc1a94fb6, 0x409f60c4, 0x5e5c9ec2, 0x196a2463, - 0x68fb6faf, 0x3e6c53b5, 0x1339b2eb, 0x3b52ec6f, 0x6dfc511f, 0x9b30952c, 0xcc814544, 0xaf5ebd09, - 0xbee3d004, 0xde334afd, 0x660f2807, 0x192e4bb3, 0xc0cba857, 0x45c8740f, 0xd20b5f39, 0xb9d3fbdb, - 0x5579c0bd, 0x1a60320a, 0xd6a100c6, 0x402c7279, 0x679f25fe, 0xfb1fa3cc, 0x8ea5e9f8, 0xdb3222f8, - 0x3c7516df, 0xfd616b15, 0x2f501ec8, 0xad0552ab, 0x323db5fa, 0xfd238760, 0x53317b48, 0x3e00df82, - 0x9e5c57bb, 0xca6f8ca0, 0x1a87562e, 0xdf1769db, 0xd542a8f6, 0x287effc3, 0xac6732c6, 0x8c4f5573, - 0x695b27b0, 0xbbca58c8, 0xe1ffa35d, 0xb8f011a0, 0x10fa3d98, 0xfd2183b8, 0x4afcb56c, 0x2dd1d35b, - 0x9a53e479, 0xb6f84565, 0xd28e49bc, 0x4bfb9790, 0xe1ddf2da, 0xa4cb7e33, 0x62fb1341, 0xcee4c6e8, - 0xef20cada, 0x36774c01, 0xd07e9efe, 0x2bf11fb4, 0x95dbda4d, 0xae909198, 0xeaad8e71, 0x6b93d5a0, - 0xd08ed1d0, 0xafc725e0, 0x8e3c5b2f, 0x8e7594b7, 0x8ff6e2fb, 0xf2122b64, 0x8888b812, 0x900df01c, - 0x4fad5ea0, 0x688fc31c, 0xd1cff191, 0xb3a8c1ad, 0x2f2f2218, 0xbe0e1777, 0xea752dfe, 0x8b021fa1, - 0xe5a0cc0f, 0xb56f74e8, 0x18acf3d6, 0xce89e299, 0xb4a84fe0, 0xfd13e0b7, 0x7cc43b81, 0xd2ada8d9, - 0x165fa266, 0x80957705, 0x93cc7314, 0x211a1477, 0xe6ad2065, 0x77b5fa86, 0xc75442f5, 0xfb9d35cf, - 0xebcdaf0c, 0x7b3e89a0, 0xd6411bd3, 0xae1e7e49, 0x00250e2d, 0x2071b35e, 0x226800bb, 0x57b8e0af, - 0x2464369b, 0xf009b91e, 0x5563911d, 0x59dfa6aa, 0x78c14389, 0xd95a537f, 0x207d5ba2, 0x02e5b9c5, - 0x83260376, 0x6295cfa9, 0x11c81968, 0x4e734a41, 0xb3472dca, 0x7b14a94a, 0x1b510052, 0x9a532915, - 0xd60f573f, 0xbc9bc6e4, 0x2b60a476, 0x81e67400, 0x08ba6fb5, 0x571be91f, 0xf296ec6b, 0x2a0dd915, - 0xb6636521, 0xe7b9f9b6, 0xff34052e, 0xc5855664, 0x53b02d5d, 0xa99f8fa1, 0x08ba4799, 0x6e85076a - ]; - - /** - * S-Box 1 - * - * @access private - * @var array - */ - private $sbox1 = [ - 0x4b7a70e9, 0xb5b32944, 0xdb75092e, 0xc4192623, 0xad6ea6b0, 0x49a7df7d, 0x9cee60b8, 0x8fedb266, - 0xecaa8c71, 0x699a17ff, 0x5664526c, 0xc2b19ee1, 0x193602a5, 0x75094c29, 0xa0591340, 0xe4183a3e, - 0x3f54989a, 0x5b429d65, 0x6b8fe4d6, 0x99f73fd6, 0xa1d29c07, 0xefe830f5, 0x4d2d38e6, 0xf0255dc1, - 0x4cdd2086, 0x8470eb26, 0x6382e9c6, 0x021ecc5e, 0x09686b3f, 0x3ebaefc9, 0x3c971814, 0x6b6a70a1, - 0x687f3584, 0x52a0e286, 0xb79c5305, 0xaa500737, 0x3e07841c, 0x7fdeae5c, 0x8e7d44ec, 0x5716f2b8, - 0xb03ada37, 0xf0500c0d, 0xf01c1f04, 0x0200b3ff, 0xae0cf51a, 0x3cb574b2, 0x25837a58, 0xdc0921bd, - 0xd19113f9, 0x7ca92ff6, 0x94324773, 0x22f54701, 0x3ae5e581, 0x37c2dadc, 0xc8b57634, 0x9af3dda7, - 0xa9446146, 0x0fd0030e, 0xecc8c73e, 0xa4751e41, 0xe238cd99, 0x3bea0e2f, 0x3280bba1, 0x183eb331, - 0x4e548b38, 0x4f6db908, 0x6f420d03, 0xf60a04bf, 0x2cb81290, 0x24977c79, 0x5679b072, 0xbcaf89af, - 0xde9a771f, 0xd9930810, 0xb38bae12, 0xdccf3f2e, 0x5512721f, 0x2e6b7124, 0x501adde6, 0x9f84cd87, - 0x7a584718, 0x7408da17, 0xbc9f9abc, 0xe94b7d8c, 0xec7aec3a, 0xdb851dfa, 0x63094366, 0xc464c3d2, - 0xef1c1847, 0x3215d908, 0xdd433b37, 0x24c2ba16, 0x12a14d43, 0x2a65c451, 0x50940002, 0x133ae4dd, - 0x71dff89e, 0x10314e55, 0x81ac77d6, 0x5f11199b, 0x043556f1, 0xd7a3c76b, 0x3c11183b, 0x5924a509, - 0xf28fe6ed, 0x97f1fbfa, 0x9ebabf2c, 0x1e153c6e, 0x86e34570, 0xeae96fb1, 0x860e5e0a, 0x5a3e2ab3, - 0x771fe71c, 0x4e3d06fa, 0x2965dcb9, 0x99e71d0f, 0x803e89d6, 0x5266c825, 0x2e4cc978, 0x9c10b36a, - 0xc6150eba, 0x94e2ea78, 0xa5fc3c53, 0x1e0a2df4, 0xf2f74ea7, 0x361d2b3d, 0x1939260f, 0x19c27960, - 0x5223a708, 0xf71312b6, 0xebadfe6e, 0xeac31f66, 0xe3bc4595, 0xa67bc883, 0xb17f37d1, 0x018cff28, - 0xc332ddef, 0xbe6c5aa5, 0x65582185, 0x68ab9802, 0xeecea50f, 0xdb2f953b, 0x2aef7dad, 0x5b6e2f84, - 0x1521b628, 0x29076170, 0xecdd4775, 0x619f1510, 0x13cca830, 0xeb61bd96, 0x0334fe1e, 0xaa0363cf, - 0xb5735c90, 0x4c70a239, 0xd59e9e0b, 0xcbaade14, 0xeecc86bc, 0x60622ca7, 0x9cab5cab, 0xb2f3846e, - 0x648b1eaf, 0x19bdf0ca, 0xa02369b9, 0x655abb50, 0x40685a32, 0x3c2ab4b3, 0x319ee9d5, 0xc021b8f7, - 0x9b540b19, 0x875fa099, 0x95f7997e, 0x623d7da8, 0xf837889a, 0x97e32d77, 0x11ed935f, 0x16681281, - 0x0e358829, 0xc7e61fd6, 0x96dedfa1, 0x7858ba99, 0x57f584a5, 0x1b227263, 0x9b83c3ff, 0x1ac24696, - 0xcdb30aeb, 0x532e3054, 0x8fd948e4, 0x6dbc3128, 0x58ebf2ef, 0x34c6ffea, 0xfe28ed61, 0xee7c3c73, - 0x5d4a14d9, 0xe864b7e3, 0x42105d14, 0x203e13e0, 0x45eee2b6, 0xa3aaabea, 0xdb6c4f15, 0xfacb4fd0, - 0xc742f442, 0xef6abbb5, 0x654f3b1d, 0x41cd2105, 0xd81e799e, 0x86854dc7, 0xe44b476a, 0x3d816250, - 0xcf62a1f2, 0x5b8d2646, 0xfc8883a0, 0xc1c7b6a3, 0x7f1524c3, 0x69cb7492, 0x47848a0b, 0x5692b285, - 0x095bbf00, 0xad19489d, 0x1462b174, 0x23820e00, 0x58428d2a, 0x0c55f5ea, 0x1dadf43e, 0x233f7061, - 0x3372f092, 0x8d937e41, 0xd65fecf1, 0x6c223bdb, 0x7cde3759, 0xcbee7460, 0x4085f2a7, 0xce77326e, - 0xa6078084, 0x19f8509e, 0xe8efd855, 0x61d99735, 0xa969a7aa, 0xc50c06c2, 0x5a04abfc, 0x800bcadc, - 0x9e447a2e, 0xc3453484, 0xfdd56705, 0x0e1e9ec9, 0xdb73dbd3, 0x105588cd, 0x675fda79, 0xe3674340, - 0xc5c43465, 0x713e38d8, 0x3d28f89e, 0xf16dff20, 0x153e21e7, 0x8fb03d4a, 0xe6e39f2b, 0xdb83adf7 - ]; - - /** - * S-Box 2 - * - * @access private - * @var array - */ - private $sbox2 = [ - 0xe93d5a68, 0x948140f7, 0xf64c261c, 0x94692934, 0x411520f7, 0x7602d4f7, 0xbcf46b2e, 0xd4a20068, - 0xd4082471, 0x3320f46a, 0x43b7d4b7, 0x500061af, 0x1e39f62e, 0x97244546, 0x14214f74, 0xbf8b8840, - 0x4d95fc1d, 0x96b591af, 0x70f4ddd3, 0x66a02f45, 0xbfbc09ec, 0x03bd9785, 0x7fac6dd0, 0x31cb8504, - 0x96eb27b3, 0x55fd3941, 0xda2547e6, 0xabca0a9a, 0x28507825, 0x530429f4, 0x0a2c86da, 0xe9b66dfb, - 0x68dc1462, 0xd7486900, 0x680ec0a4, 0x27a18dee, 0x4f3ffea2, 0xe887ad8c, 0xb58ce006, 0x7af4d6b6, - 0xaace1e7c, 0xd3375fec, 0xce78a399, 0x406b2a42, 0x20fe9e35, 0xd9f385b9, 0xee39d7ab, 0x3b124e8b, - 0x1dc9faf7, 0x4b6d1856, 0x26a36631, 0xeae397b2, 0x3a6efa74, 0xdd5b4332, 0x6841e7f7, 0xca7820fb, - 0xfb0af54e, 0xd8feb397, 0x454056ac, 0xba489527, 0x55533a3a, 0x20838d87, 0xfe6ba9b7, 0xd096954b, - 0x55a867bc, 0xa1159a58, 0xcca92963, 0x99e1db33, 0xa62a4a56, 0x3f3125f9, 0x5ef47e1c, 0x9029317c, - 0xfdf8e802, 0x04272f70, 0x80bb155c, 0x05282ce3, 0x95c11548, 0xe4c66d22, 0x48c1133f, 0xc70f86dc, - 0x07f9c9ee, 0x41041f0f, 0x404779a4, 0x5d886e17, 0x325f51eb, 0xd59bc0d1, 0xf2bcc18f, 0x41113564, - 0x257b7834, 0x602a9c60, 0xdff8e8a3, 0x1f636c1b, 0x0e12b4c2, 0x02e1329e, 0xaf664fd1, 0xcad18115, - 0x6b2395e0, 0x333e92e1, 0x3b240b62, 0xeebeb922, 0x85b2a20e, 0xe6ba0d99, 0xde720c8c, 0x2da2f728, - 0xd0127845, 0x95b794fd, 0x647d0862, 0xe7ccf5f0, 0x5449a36f, 0x877d48fa, 0xc39dfd27, 0xf33e8d1e, - 0x0a476341, 0x992eff74, 0x3a6f6eab, 0xf4f8fd37, 0xa812dc60, 0xa1ebddf8, 0x991be14c, 0xdb6e6b0d, - 0xc67b5510, 0x6d672c37, 0x2765d43b, 0xdcd0e804, 0xf1290dc7, 0xcc00ffa3, 0xb5390f92, 0x690fed0b, - 0x667b9ffb, 0xcedb7d9c, 0xa091cf0b, 0xd9155ea3, 0xbb132f88, 0x515bad24, 0x7b9479bf, 0x763bd6eb, - 0x37392eb3, 0xcc115979, 0x8026e297, 0xf42e312d, 0x6842ada7, 0xc66a2b3b, 0x12754ccc, 0x782ef11c, - 0x6a124237, 0xb79251e7, 0x06a1bbe6, 0x4bfb6350, 0x1a6b1018, 0x11caedfa, 0x3d25bdd8, 0xe2e1c3c9, - 0x44421659, 0x0a121386, 0xd90cec6e, 0xd5abea2a, 0x64af674e, 0xda86a85f, 0xbebfe988, 0x64e4c3fe, - 0x9dbc8057, 0xf0f7c086, 0x60787bf8, 0x6003604d, 0xd1fd8346, 0xf6381fb0, 0x7745ae04, 0xd736fccc, - 0x83426b33, 0xf01eab71, 0xb0804187, 0x3c005e5f, 0x77a057be, 0xbde8ae24, 0x55464299, 0xbf582e61, - 0x4e58f48f, 0xf2ddfda2, 0xf474ef38, 0x8789bdc2, 0x5366f9c3, 0xc8b38e74, 0xb475f255, 0x46fcd9b9, - 0x7aeb2661, 0x8b1ddf84, 0x846a0e79, 0x915f95e2, 0x466e598e, 0x20b45770, 0x8cd55591, 0xc902de4c, - 0xb90bace1, 0xbb8205d0, 0x11a86248, 0x7574a99e, 0xb77f19b6, 0xe0a9dc09, 0x662d09a1, 0xc4324633, - 0xe85a1f02, 0x09f0be8c, 0x4a99a025, 0x1d6efe10, 0x1ab93d1d, 0x0ba5a4df, 0xa186f20f, 0x2868f169, - 0xdcb7da83, 0x573906fe, 0xa1e2ce9b, 0x4fcd7f52, 0x50115e01, 0xa70683fa, 0xa002b5c4, 0x0de6d027, - 0x9af88c27, 0x773f8641, 0xc3604c06, 0x61a806b5, 0xf0177a28, 0xc0f586e0, 0x006058aa, 0x30dc7d62, - 0x11e69ed7, 0x2338ea63, 0x53c2dd94, 0xc2c21634, 0xbbcbee56, 0x90bcb6de, 0xebfc7da1, 0xce591d76, - 0x6f05e409, 0x4b7c0188, 0x39720a3d, 0x7c927c24, 0x86e3725f, 0x724d9db9, 0x1ac15bb4, 0xd39eb8fc, - 0xed545578, 0x08fca5b5, 0xd83d7cd3, 0x4dad0fc4, 0x1e50ef5e, 0xb161e6f8, 0xa28514d9, 0x6c51133c, - 0x6fd5c7e7, 0x56e14ec4, 0x362abfce, 0xddc6c837, 0xd79a3234, 0x92638212, 0x670efa8e, 0x406000e0 - ]; - - /** - * S-Box 3 - * - * @access private - * @var array - */ - private $sbox3 = [ - 0x3a39ce37, 0xd3faf5cf, 0xabc27737, 0x5ac52d1b, 0x5cb0679e, 0x4fa33742, 0xd3822740, 0x99bc9bbe, - 0xd5118e9d, 0xbf0f7315, 0xd62d1c7e, 0xc700c47b, 0xb78c1b6b, 0x21a19045, 0xb26eb1be, 0x6a366eb4, - 0x5748ab2f, 0xbc946e79, 0xc6a376d2, 0x6549c2c8, 0x530ff8ee, 0x468dde7d, 0xd5730a1d, 0x4cd04dc6, - 0x2939bbdb, 0xa9ba4650, 0xac9526e8, 0xbe5ee304, 0xa1fad5f0, 0x6a2d519a, 0x63ef8ce2, 0x9a86ee22, - 0xc089c2b8, 0x43242ef6, 0xa51e03aa, 0x9cf2d0a4, 0x83c061ba, 0x9be96a4d, 0x8fe51550, 0xba645bd6, - 0x2826a2f9, 0xa73a3ae1, 0x4ba99586, 0xef5562e9, 0xc72fefd3, 0xf752f7da, 0x3f046f69, 0x77fa0a59, - 0x80e4a915, 0x87b08601, 0x9b09e6ad, 0x3b3ee593, 0xe990fd5a, 0x9e34d797, 0x2cf0b7d9, 0x022b8b51, - 0x96d5ac3a, 0x017da67d, 0xd1cf3ed6, 0x7c7d2d28, 0x1f9f25cf, 0xadf2b89b, 0x5ad6b472, 0x5a88f54c, - 0xe029ac71, 0xe019a5e6, 0x47b0acfd, 0xed93fa9b, 0xe8d3c48d, 0x283b57cc, 0xf8d56629, 0x79132e28, - 0x785f0191, 0xed756055, 0xf7960e44, 0xe3d35e8c, 0x15056dd4, 0x88f46dba, 0x03a16125, 0x0564f0bd, - 0xc3eb9e15, 0x3c9057a2, 0x97271aec, 0xa93a072a, 0x1b3f6d9b, 0x1e6321f5, 0xf59c66fb, 0x26dcf319, - 0x7533d928, 0xb155fdf5, 0x03563482, 0x8aba3cbb, 0x28517711, 0xc20ad9f8, 0xabcc5167, 0xccad925f, - 0x4de81751, 0x3830dc8e, 0x379d5862, 0x9320f991, 0xea7a90c2, 0xfb3e7bce, 0x5121ce64, 0x774fbe32, - 0xa8b6e37e, 0xc3293d46, 0x48de5369, 0x6413e680, 0xa2ae0810, 0xdd6db224, 0x69852dfd, 0x09072166, - 0xb39a460a, 0x6445c0dd, 0x586cdecf, 0x1c20c8ae, 0x5bbef7dd, 0x1b588d40, 0xccd2017f, 0x6bb4e3bb, - 0xdda26a7e, 0x3a59ff45, 0x3e350a44, 0xbcb4cdd5, 0x72eacea8, 0xfa6484bb, 0x8d6612ae, 0xbf3c6f47, - 0xd29be463, 0x542f5d9e, 0xaec2771b, 0xf64e6370, 0x740e0d8d, 0xe75b1357, 0xf8721671, 0xaf537d5d, - 0x4040cb08, 0x4eb4e2cc, 0x34d2466a, 0x0115af84, 0xe1b00428, 0x95983a1d, 0x06b89fb4, 0xce6ea048, - 0x6f3f3b82, 0x3520ab82, 0x011a1d4b, 0x277227f8, 0x611560b1, 0xe7933fdc, 0xbb3a792b, 0x344525bd, - 0xa08839e1, 0x51ce794b, 0x2f32c9b7, 0xa01fbac9, 0xe01cc87e, 0xbcc7d1f6, 0xcf0111c3, 0xa1e8aac7, - 0x1a908749, 0xd44fbd9a, 0xd0dadecb, 0xd50ada38, 0x0339c32a, 0xc6913667, 0x8df9317c, 0xe0b12b4f, - 0xf79e59b7, 0x43f5bb3a, 0xf2d519ff, 0x27d9459c, 0xbf97222c, 0x15e6fc2a, 0x0f91fc71, 0x9b941525, - 0xfae59361, 0xceb69ceb, 0xc2a86459, 0x12baa8d1, 0xb6c1075e, 0xe3056a0c, 0x10d25065, 0xcb03a442, - 0xe0ec6e0e, 0x1698db3b, 0x4c98a0be, 0x3278e964, 0x9f1f9532, 0xe0d392df, 0xd3a0342b, 0x8971f21e, - 0x1b0a7441, 0x4ba3348c, 0xc5be7120, 0xc37632d8, 0xdf359f8d, 0x9b992f2e, 0xe60b6f47, 0x0fe3f11d, - 0xe54cda54, 0x1edad891, 0xce6279cf, 0xcd3e7e6f, 0x1618b166, 0xfd2c1d05, 0x848fd2c5, 0xf6fb2299, - 0xf523f357, 0xa6327623, 0x93a83531, 0x56cccd02, 0xacf08162, 0x5a75ebb5, 0x6e163697, 0x88d273cc, - 0xde966292, 0x81b949d0, 0x4c50901b, 0x71c65614, 0xe6c6c7bd, 0x327a140a, 0x45e1d006, 0xc3f27b9a, - 0xc9aa53fd, 0x62a80f00, 0xbb25bfe2, 0x35bdd2f6, 0x71126905, 0xb2040222, 0xb6cbcf7c, 0xcd769c2b, - 0x53113ec0, 0x1640e3d3, 0x38abbd60, 0x2547adf0, 0xba38209c, 0xf746ce76, 0x77afa1c5, 0x20756060, - 0x85cbfe4e, 0x8ae88dd8, 0x7aaaf9b0, 0x4cf9aa7e, 0x1948c25c, 0x02fb8a8c, 0x01c36ae4, 0xd6ebe1f9, - 0x90d4f869, 0xa65cdea0, 0x3f09252d, 0xc208e69f, 0xb74e6132, 0xce77e25b, 0x578fdfe3, 0x3ac372e6 - ]; - - /** - * P-Array consists of 18 32-bit subkeys - * - * @var array - * @access private - */ - private $parray = [ - 0x243f6a88, 0x85a308d3, 0x13198a2e, 0x03707344, 0xa4093822, 0x299f31d0, - 0x082efa98, 0xec4e6c89, 0x452821e6, 0x38d01377, 0xbe5466cf, 0x34e90c6c, - 0xc0ac29b7, 0xc97c50dd, 0x3f84d5b5, 0xb5470917, 0x9216d5d9, 0x8979fb1b - ]; - - /** - * The BCTX-working Array - * - * Holds the expanded key [p] and the key-depended s-boxes [sb] - * - * @var array - * @access private - */ - private $bctx; - - /** - * Holds the last used key - * - * @var array - * @access private - */ - private $kl; - - /** - * The Key Length (in bytes) - * - * @see \phpseclib\Crypt\Common\SymmetricKey::setKeyLength() - * @var int - * @access private - * @internal The max value is 256 / 8 = 32, the min value is 128 / 8 = 16. Exists in conjunction with $Nk - * because the encryption / decryption / key schedule creation requires this number and not $key_length. We could - * derive this from $key_length or vice versa, but that'd mean we'd have to do multiple shift operations, so in lieu - * of that, we'll just precompute it once. - */ - protected $key_length = 16; - - /** - * Default Constructor. - * - * @param int $mode - * @access public - * @throws \InvalidArgumentException if an invalid / unsupported mode is provided - */ - public function __construct($mode) - { - if ($mode == self::MODE_STREAM) { - throw new \InvalidArgumentException('Block ciphers cannot be ran in stream mode'); - } - - parent::__construct($mode); - } - - /** - * Sets the key length. - * - * Key lengths can be between 32 and 448 bits. - * - * @access public - * @param int $length - */ - public function setKeyLength($length) - { - if ($length < 32 || $length > 448) { - throw new \LengthException('Key size of ' . $length . ' bits is not supported by this algorithm. Only keys of sizes between 32 and 448 bits are supported'); - } - - $this->key_length = $length >> 3; - - parent::setKeyLength($length); - } - - /** - * Test for engine validity - * - * This is mainly just a wrapper to set things up for \phpseclib\Crypt\Common\SymmetricKey::isValidEngine() - * - * @see \phpseclib\Crypt\Common\SymmetricKey::isValidEngine() - * @param int $engine - * @access public - * @return bool - */ - public function isValidEngine($engine) - { - if ($engine == self::ENGINE_OPENSSL) { - if ($this->key_length < 16) { - return false; - } - $this->cipher_name_openssl_ecb = 'bf-ecb'; - $this->cipher_name_openssl = 'bf-' . $this->openssl_translate_mode(); - } - - return parent::isValidEngine($engine); - } - - /** - * Setup the key (expansion) - * - * @see \phpseclib\Crypt\Common\SymmetricKey::_setupKey() - * @access private - */ - protected function setupKey() - { - if (isset($this->kl['key']) && $this->key === $this->kl['key']) { - // already expanded - return; - } - $this->kl = ['key' => $this->key]; - - /* key-expanding p[] and S-Box building sb[] */ - $this->bctx = [ - 'p' => [], - 'sb' => [ - $this->sbox0, - $this->sbox1, - $this->sbox2, - $this->sbox3 - ] - ]; - - // unpack binary string in unsigned chars - $key = array_values(unpack('C*', $this->key)); - $keyl = count($key); - for ($j = 0, $i = 0; $i < 18; ++$i) { - // xor P1 with the first 32-bits of the key, xor P2 with the second 32-bits ... - for ($data = 0, $k = 0; $k < 4; ++$k) { - $data = ($data << 8) | $key[$j]; - if (++$j >= $keyl) { - $j = 0; - } - } - $this->bctx['p'][] = $this->parray[$i] ^ $data; - } - - // encrypt the zero-string, replace P1 and P2 with the encrypted data, - // encrypt P3 and P4 with the new P1 and P2, do it with all P-array and subkeys - $data = "\0\0\0\0\0\0\0\0"; - for ($i = 0; $i < 18; $i += 2) { - list($l, $r) = array_values(unpack('N*', $data = $this->encryptBlock($data))); - $this->bctx['p'][$i ] = $l; - $this->bctx['p'][$i + 1] = $r; - } - for ($i = 0; $i < 4; ++$i) { - for ($j = 0; $j < 256; $j += 2) { - list($l, $r) = array_values(unpack('N*', $data = $this->encryptBlock($data))); - $this->bctx['sb'][$i][$j ] = $l; - $this->bctx['sb'][$i][$j + 1] = $r; - } - } - } - - /** - * Encrypts a block - * - * @access private - * @param string $in - * @return string - */ - protected function encryptBlock($in) - { - $p = $this->bctx["p"]; - // extract($this->bctx["sb"], EXTR_PREFIX_ALL, "sb"); // slower - $sb_0 = $this->bctx["sb"][0]; - $sb_1 = $this->bctx["sb"][1]; - $sb_2 = $this->bctx["sb"][2]; - $sb_3 = $this->bctx["sb"][3]; - - $in = unpack("N*", $in); - $l = $in[1]; - $r = $in[2]; - - for ($i = 0; $i < 16; $i+= 2) { - $l^= $p[$i]; - $r^= ($sb_0[$l >> 24 & 0xff] + - $sb_1[$l >> 16 & 0xff] ^ - $sb_2[$l >> 8 & 0xff]) + - $sb_3[$l & 0xff]; - - $r^= $p[$i + 1]; - $l^= ($sb_0[$r >> 24 & 0xff] + - $sb_1[$r >> 16 & 0xff] ^ - $sb_2[$r >> 8 & 0xff]) + - $sb_3[$r & 0xff]; - } - return pack("N*", $r ^ $p[17], $l ^ $p[16]); - } - - /** - * Decrypts a block - * - * @access private - * @param string $in - * @return string - */ - protected function decryptBlock($in) - { - $p = $this->bctx["p"]; - $sb_0 = $this->bctx["sb"][0]; - $sb_1 = $this->bctx["sb"][1]; - $sb_2 = $this->bctx["sb"][2]; - $sb_3 = $this->bctx["sb"][3]; - - $in = unpack("N*", $in); - $l = $in[1]; - $r = $in[2]; - - for ($i = 17; $i > 2; $i-= 2) { - $l^= $p[$i]; - $r^= ($sb_0[$l >> 24 & 0xff] + - $sb_1[$l >> 16 & 0xff] ^ - $sb_2[$l >> 8 & 0xff]) + - $sb_3[$l & 0xff]; - - $r^= $p[$i - 1]; - $l^= ($sb_0[$r >> 24 & 0xff] + - $sb_1[$r >> 16 & 0xff] ^ - $sb_2[$r >> 8 & 0xff]) + - $sb_3[$r & 0xff]; - } - return pack("N*", $r ^ $p[0], $l ^ $p[1]); - } - - /** - * Setup the performance-optimized function for de/encrypt() - * - * @see \phpseclib\Crypt\Common\SymmetricKey::_setupInlineCrypt() - * @access private - */ - protected function setupInlineCrypt() - { - $p = $this->bctx['p']; - $init_crypt = ' - static $sb_0, $sb_1, $sb_2, $sb_3; - if (!$sb_0) { - $sb_0 = $this->bctx["sb"][0]; - $sb_1 = $this->bctx["sb"][1]; - $sb_2 = $this->bctx["sb"][2]; - $sb_3 = $this->bctx["sb"][3]; - } - '; - - // Generating encrypt code: - $encrypt_block = ' - $in = unpack("N*", $in); - $l = $in[1]; - $r = $in[2]; - '; - for ($i = 0; $i < 16; $i+= 2) { - $encrypt_block.= ' - $l^= ' . $p[$i] . '; - $r^= ($sb_0[$l >> 24 & 0xff] + - $sb_1[$l >> 16 & 0xff] ^ - $sb_2[$l >> 8 & 0xff]) + - $sb_3[$l & 0xff]; - - $r^= ' . $p[$i + 1] . '; - $l^= ($sb_0[$r >> 24 & 0xff] + - $sb_1[$r >> 16 & 0xff] ^ - $sb_2[$r >> 8 & 0xff]) + - $sb_3[$r & 0xff]; - '; - } - $encrypt_block.= ' - $in = pack("N*", - $r ^ ' . $p[17] . ', - $l ^ ' . $p[16] . ' - ); - '; - // Generating decrypt code: - $decrypt_block = ' - $in = unpack("N*", $in); - $l = $in[1]; - $r = $in[2]; - '; - - for ($i = 17; $i > 2; $i-= 2) { - $decrypt_block.= ' - $l^= ' . $p[$i] . '; - $r^= ($sb_0[$l >> 24 & 0xff] + - $sb_1[$l >> 16 & 0xff] ^ - $sb_2[$l >> 8 & 0xff]) + - $sb_3[$l & 0xff]; - - $r^= ' . $p[$i - 1] . '; - $l^= ($sb_0[$r >> 24 & 0xff] + - $sb_1[$r >> 16 & 0xff] ^ - $sb_2[$r >> 8 & 0xff]) + - $sb_3[$r & 0xff]; - '; - } - - $decrypt_block.= ' - $in = pack("N*", - $r ^ ' . $p[0] . ', - $l ^ ' . $p[1] . ' - ); - '; - - $this->inline_crypt = $this->createInlineCryptFunction( - [ - 'init_crypt' => $init_crypt, - 'init_encrypt' => '', - 'init_decrypt' => '', - 'encrypt_block' => $encrypt_block, - 'decrypt_block' => $decrypt_block - ] - ); - } -} diff --git a/lib/phpaes/phpseclib/Crypt/Common/AsymmetricKey.php b/lib/phpaes/phpseclib/Crypt/Common/AsymmetricKey.php deleted file mode 100644 index 08124730ef..0000000000 --- a/lib/phpaes/phpseclib/Crypt/Common/AsymmetricKey.php +++ /dev/null @@ -1,660 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt\Common; - -use phpseclib\Math\BigInteger; -use phpseclib\Crypt\Hash; -use ParagonIE\ConstantTime\Base64; - -/** - * Base Class for all stream cipher classes - * - * @package AsymmetricKey - * @author Jim Wigginton - */ -abstract class AsymmetricKey -{ - /** - * Precomputed Zero - * - * @var \phpseclib\Math\BigInteger - * @access private - */ - protected static $zero; - - /** - * Precomputed One - * - * @var \phpseclib\Math\BigInteger - * @access private - */ - protected static $one; - - /** - * Engine - * - * This is only used for key generation. Valid values are RSA::ENGINE_INTERNAL and RSA::ENGINE_OPENSSL - * - * @var int - * @access private - */ - protected static $engine = NULL; - - /** - * OpenSSL configuration file name. - * - * Set to null to use system configuration file. - * - * @see self::createKey() - * @var mixed - * @access public - */ - protected static $configFile; - - /** - * Supported plugins (lower case) - * - * @see self::initialize_static_variables() - * @var array - * @access private - */ - private static $plugins = []; - - /** - * Supported plugins (original case) - * - * @see self::initialize_static_variables() - * @var array - * @access private - */ - private static $origPlugins = []; - - /** - * Supported signature formats (lower case) - * - * @see self::initialize_static_variables() - * @var array - * @access private - */ - private static $signatureFormats = []; - - /** - * Supported signature formats (original case) - * - * @see self::initialize_static_variables() - * @var array - * @access private - */ - private static $signatureFileFormats = []; - - /** - * Password - * - * @var string - * @access private - */ - protected $password = false; - - /** - * Loaded File Format - * - * @var string - * @access private - */ - protected $format = false; - - /** - * Private Key Format - * - * @var string - * @access private - */ - protected $privateKeyFormat = 'PKCS8'; - - /** - * Public Key Format - * - * @var string - * @access private - */ - protected $publicKeyFormat = 'PKCS8'; - - /** - * Hash function - * - * @var \phpseclib\Crypt\Hash - * @access private - */ - protected $hash; - - /** - * HMAC function - * - * @var \phpseclib\Crypt\Hash - * @access private - */ - private $hmac; - - /**#@+ - * @access private - * @see self::__construct() - */ - /** - * To use the pure-PHP implementation - */ - const ENGINE_INTERNAL = 1; - /** - * To use the OpenSSL library - * - * (if enabled; otherwise, the internal implementation will be used) - */ - const ENGINE_OPENSSL = 2; - /**#@-*/ - - /** - * The constructor - * - * @access public - */ - public function __construct() - { - self::initialize_static_variables(); - - $this->hash = new Hash('sha256'); - $this->hmac = new Hash('sha256'); - } - - /** - * Tests engine validity - * - * @access public - * @param int $val - */ - public static function isValidEngine($val) - { - switch ($val) { - case self::ENGINE_OPENSSL: - return extension_loaded('openssl') && file_exists(self::$configFile); - case self::ENGINE_INTERNAL: - return true; - } - - return false; - } - - /** - * Sets the engine - * - * Only used in RSA::createKey. Valid values are RSA::ENGINE_OPENSSL and RSA::ENGINE_INTERNAL - * - * @access public - * @param int $val - */ - public static function setPreferredEngine($val) - { - static::$engine = null; - $candidateEngines = [ - $val, - self::ENGINE_OPENSSL - ]; - foreach ($candidateEngines as $engine) { - if (static::isValidEngine($engine)) { - static::$engine = $engine; - break; - } - } - if (!isset(static::$engine)) { - static::$engine = self::ENGINE_INTERNAL; - } - } - - /** - * Returns the engine - * - * @access public - * @return int - */ - public static function getEngine() - { - return self::$engine; - } - - /** - * Initialize static variables - * - * @access private - */ - protected static function initialize_static_variables() - { - if (!isset(self::$zero)) { - self::$zero= new BigInteger(0); - self::$one = new BigInteger(1); - self::$configFile = __DIR__ . '/../openssl.cnf'; - } - - self::loadPlugins('Keys'); - if (static::ALGORITHM != 'RSA') { - self::loadPlugins('Signature'); - } - } - - /** - * Load Plugins - * - * @params $format - * @access private - */ - private static function loadPlugins($format) - { - if (!isset(self::$plugins[static::ALGORITHM][$format])) { - self::$plugins[static::ALGORITHM][$format] = []; - foreach (glob(__DIR__ . '/../' . static::ALGORITHM . '/' . $format . '/*.php') as $file) { - $name = pathinfo($file, PATHINFO_FILENAME); - $type = 'phpseclib\Crypt\\' . static::ALGORITHM . '\\' . $format . '\\' . $name; - self::$plugins[static::ALGORITHM][$format][strtolower($name)] = $type; - self::$origPlugins[static::ALGORITHM][$format][] = $name; - } - } - } - - /** - * Validate Plugin - * - * @access private - * @param string $format - * @param string $type - * @param string $method optional - * @return mixed - */ - protected static function validatePlugin($format, $type, $method = NULL) - { - $type = strtolower($type); - if (!isset(self::$plugins[static::ALGORITHM][$format][$type])) { - return false; - } - $type = self::$plugins[static::ALGORITHM][$format][$type]; - if (isset($method) && !method_exists($type, $method)) { - return false; - } - - return $type; - } - - /** - * Load the key - * - * @access private - * @param string $key - * @param string $type - * @return array - */ - protected function load($key, $type) - { - $components = false; - if ($type === false) { - foreach (self::$plugins[static::ALGORITHM]['Keys'] as $format) { - try { - $components = $format::load($key, $this->password); - } catch (\Exception $e) { - $components = false; - } - if ($components !== false) { - break; - } - } - } else { - $format = strtolower($type); - if (isset(self::$plugins[static::ALGORITHM]['Keys'][$format])) { - $format = self::$plugins[static::ALGORITHM]['Keys'][$format]; - $components = $format::load($key, $this->password); - } - } - - if ($components === false) { - $this->format = false; - return false; - } - - $this->format = $format; - - return $components; - } - - /** - * Load the public key - * - * @access private - * @param string $key - * @param string $type - * @return array - */ - protected function setPublicKey($key, $type) - { - $components = false; - if ($type === false) { - foreach (self::$plugins[static::ALGORITHM]['Keys'] as $format) { - if (!method_exists($format, 'savePublicKey')) { - continue; - } - try { - $components = $format::load($key, $this->password); - } catch (\Exception $e) { - $components = false; - } - if ($components !== false) { - break; - } - } - } else { - $format = strtolower($type); - if (isset(self::$plugins[static::ALGORITHM]['Keys'][$format])) { - $format = self::$plugins[static::ALGORITHM]['Keys'][$format]; - $components = $format::load($key, $this->password); - } - } - - if ($components === false) { - $this->format = false; - return false; - } - - $this->format = $format; - - return $components; - } - - /** - * Returns a list of supported formats. - * - * @access public - * @return array - */ - public static function getSupportedKeyFormats() - { - self::initialize_static_variables(); - - return self::$plugins[static::ALGORITHM]['Keys']; - } - - /** - * Add a fileformat plugin - * - * The plugin needs to either already be loaded or be auto-loadable. - * Loading a plugin whose shortname overwrite an existing shortname will overwrite the old plugin. - * - * @see self::load() - * @param string $fullname - * @access public - * @return bool - */ - public static function addFileFormat($fullname) - { - self::initialize_static_variables(); - - if (class_exists($fullname)) { - $meta = new \ReflectionClass($path); - $shortname = $meta->getShortName(); - self::$plugins[static::ALGORITHM]['Keys'][strtolower($shortname)] = $fullname; - self::$origPlugins[static::ALGORITHM]['Keys'][] = $shortname; - } - } - - /** - * Returns the public key's fingerprint - * - * The public key's fingerprint is returned, which is equivalent to running `ssh-keygen -lf rsa.pub`. If there is - * no public key currently loaded, false is returned. - * Example output (md5): "c1:b1:30:29:d7:b8:de:6c:97:77:10:d7:46:41:63:87" (as specified by RFC 4716) - * - * @access public - * @param string $algorithm The hashing algorithm to be used. Valid options are 'md5' and 'sha256'. False is returned - * for invalid values. - * @return mixed - */ - public function getPublicKeyFingerprint($algorithm = 'md5') - { - $type = self::validatePlugin('Keys', 'OpenSSH', 'getBinaryOutput'); - if ($type === false) { - return false; - } - - $status = $type::getBinaryOutput(); - $type::setBinaryOutput(true); - - $key = $this->getPublicKey('OpenSSH'); - if ($key === false) { - return false; - } - - $type::setBinaryOutput($status); - - switch ($algorithm) { - case 'sha256': - $hash = new Hash('sha256'); - $base = Base64::encode($hash->hash($key)); - return substr($base, 0, strlen($base) - 1); - case 'md5': - return substr(chunk_split(md5($key), 2, ':'), 0, -1); - default: - return false; - } - } - - /** - * __toString() magic method - * - * @access public - * @return string - */ - public function __toString() - { - try { - $key = $this->getPrivateKey($this->privateKeyFormat); - if (is_string($key)) { - return $key; - } - $key = $this->getPublicKey($this->publicKeyFormat); - return is_string($key) ? $key : ''; - } catch (\Exception $e) { - return ''; - } - } - - /** - * __clone() magic method - * - * @access public - * @return static - */ - public function __clone() - { - $key = new static(); - $key->load($this); - return $key; - } - - /** - * Determines the private key format - * - * @see self::__toString() - * @access public - * @param string $format - */ - public function setPrivateKeyFormat($format) - { - $this->privateKeyFormat = $format; - } - - /** - * Determines the public key format - * - * @see self::__toString() - * @access public - * @param string $format - */ - public function setPublicKeyFormat($format) - { - $this->publicKeyFormat = $format; - } - - /** - * Returns the format of the loaded key. - * - * If the key that was loaded wasn't in a valid or if the key was auto-generated - * with RSA::createKey() then this will return false. - * - * @see self::load() - * @access public - * @return mixed - */ - public function getLoadedFormat() - { - if ($this->format === false) { - return false; - } - - $meta = new \ReflectionClass($this->format); - return $meta->getShortName(); - } - - /** - * Sets the password - * - * Private keys can be encrypted with a password. To unset the password, pass in the empty string or false. - * Or rather, pass in $password such that empty($password) && !is_string($password) is true. - * - * @see self::createKey() - * @see self::load() - * @access public - * @param string $password - */ - public function setPassword($password = false) - { - $this->password = $password; - } - - /** - * Determines which hashing function should be used - * - * @access public - * @param string $hash - */ - public function setHash($hash) - { - $this->hash = new Hash($hash); - $this->hmac = new Hash($hash); - } - - /** - * Compute the pseudorandom k for signature generation, - * using the process specified for deterministic DSA. - * - * @access public - * @param string $h1 - * @return string - */ - protected function computek($h1) - { - $v = str_repeat("\1", strlen($h1)); - - $k = str_repeat("\0", strlen($h1)); - - $x = $this->int2octets($this->x); - $h1 = $this->bits2octets($h1); - - $this->hmac->setKey($k); - $k = $this->hmac->hash($v . "\0" . $x . $h1); - $this->hmac->setKey($k); - $v = $this->hmac->hash($v); - $k = $this->hmac->hash($v . "\1" . $x . $h1); - $this->hmac->setKey($k); - $v = $this->hmac->hash($v); - - $qlen = $this->q->getLengthInBytes(); - - while (true) { - $t = ''; - while (strlen($t) < $qlen) { - $v = $this->hmac->hash($v); - $t = $t . $v; - } - $k = $this->bits2int($t); - - if (!$k->equals(self::$zero) && $k->compare($this->q) < 0) { - break; - } - $k = $this->hmac->hash($v . "\0"); - $this->hmac->setKey($k); - $v = $this->hmac->hash($v); - } - - return $k; - } - - /** - * Integer to Octet String - * - * @access private - * @param \phpseclib\Math\BigInteger $v - * @return string - */ - private function int2octets($v) - { - $out = $v->toBytes(); - $rolen = $this->q->getLengthInBytes(); - if (strlen($out) < $rolen) { - return str_pad($out, $rolen, "\0", STR_PAD_LEFT); - } else if (strlen($out) > $rolen) { - return substr($out, -$rolen); - } else { - return $out; - } - } - - /** - * Bit String to Integer - * - * @access private - * @param string $in - * @return \phpseclib\Math\BigInteger - */ - protected function bits2int($in) - { - $v = new BigInteger($in, 256); - $vlen = strlen($in) << 3; - $qlen = $this->q->getLength(); - if ($vlen > $qlen) { - return $v->bitwise_rightShift($vlen - $qlen); - } - return $v; - } - - /** - * Bit String to Octet String - * - * @access private - * @param string $in - * @return string - */ - private function bits2octets($in) - { - $z1 = $this->bits2int($in); - $z2 = $z1->subtract($this->q); - return $z2->compare(self::$zero) < 0 ? - $this->int2octets($z1) : - $this->int2octets($z2); - } -} diff --git a/lib/phpaes/phpseclib/Crypt/Common/BlockCipher.php b/lib/phpaes/phpseclib/Crypt/Common/BlockCipher.php deleted file mode 100644 index 614a4430e3..0000000000 --- a/lib/phpaes/phpseclib/Crypt/Common/BlockCipher.php +++ /dev/null @@ -1,28 +0,0 @@ - - * @author Hans-Juergen Petrich - * @copyright 2007 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -//namespace phpseclib\Crypt\Common; -include PHPAES_ROOT . '/phpseclib/Crypt/Common/SymmetricKey.php'; - -/** - * Base Class for all block cipher classes - * - * @package BlockCipher - * @author Jim Wigginton - */ -abstract class BlockCipher extends SymmetricKey -{ -} diff --git a/lib/phpaes/phpseclib/Crypt/Common/Keys/OpenSSH.php b/lib/phpaes/phpseclib/Crypt/Common/Keys/OpenSSH.php deleted file mode 100644 index eb1ba7a39e..0000000000 --- a/lib/phpaes/phpseclib/Crypt/Common/Keys/OpenSSH.php +++ /dev/null @@ -1,139 +0,0 @@ - - * @copyright 2015 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt\Common\Keys; - -use ParagonIE\ConstantTime\Base64; -use phpseclib\Common\Functions\Strings; - -/** - * OpenSSH Formatted RSA Key Handler - * - * @package Common - * @author Jim Wigginton - * @access public - */ -abstract class OpenSSH -{ - /** - * Default comment - * - * @var string - * @access private - */ - protected static $comment = 'phpseclib-generated-key'; - - /** - * Binary key flag - * - * @var bool - * @access private - */ - protected static $binary = false; - - /** - * Sets the default comment - * - * @access public - * @param string $comment - */ - public static function setComment($comment) - { - self::$comment = str_replace(["\r", "\n"], '', $comment); - } - - /** - * Break a public or private key down into its constituent components - * - * $type can be either ssh-dss or ssh-rsa - * - * @access public - * @param string $key - * @param string $type - * @return array - */ - public static function load($key, $type) - { - if (!is_string($key)) { - return false; - } - - $parts = explode(' ', $key, 3); - - if (!isset($parts[1])) { - $key = Base64::decode($parts[0]); - $comment = isset($parts[1]) ? $parts[1] : false; - } else { - if ($parts[0] != $type) { - return false; - } - $key = Base64::decode($parts[1]); - $comment = isset($parts[2]) ? $parts[2] : false; - } - if ($key === false) { - return false; - } - - if (substr($key, 0, 11) != "\0\0\0\7$type") { - return false; - } - Strings::shift($key, 11); - if (strlen($key) <= 4) { - return false; - } - - return $key; - } - - /** - * Returns the comment for the key - * - * @access public - * @return mixed - */ - public static function getComment($key) - { - $parts = explode(' ', $key, 3); - - return isset($parts[2]) ? $parts[2] : false; - } - - /** - * Toggle between binary and printable keys - * - * Printable keys are what are generated by default. These are the ones that go in - * $HOME/.ssh/authorized_key. - * - * @access public - * @param bool $enabled - */ - public static function setBinaryOutput($enabled) - { - self::$binary = $enabled; - } - - /** - * Returns the current binary output value - * - * @access public - * @return bool - */ - public static function getBinaryOutput() - { - return (bool) self::$binary; - } -} diff --git a/lib/phpaes/phpseclib/Crypt/Common/Keys/PKCS.php b/lib/phpaes/phpseclib/Crypt/Common/Keys/PKCS.php deleted file mode 100644 index 7b54b16640..0000000000 --- a/lib/phpaes/phpseclib/Crypt/Common/Keys/PKCS.php +++ /dev/null @@ -1,80 +0,0 @@ - - * @copyright 2015 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt\Common\Keys; - -/** - * PKCS1 Formatted Key Handler - * - * @package RSA - * @author Jim Wigginton - * @access public - */ -abstract class PKCS -{ - /** - * Auto-detect the format - */ - const MODE_ANY = 0; - /** - * Require base64-encoded PEM's be supplied - */ - const MODE_PEM = 1; - /** - * Require raw DER's be supplied - */ - const MODE_DER = 2; - /**#@-*/ - - /** - * Is the key a base-64 encoded PEM, DER or should it be auto-detected? - * - * @access private - * @param int - */ - protected static $format = self::MODE_ANY; - - /** - * Require base64-encoded PEM's be supplied - * - * @access public - */ - public static function requirePEM() - { - self::$format = self::MODE_PEM; - } - - /** - * Require raw DER's be supplied - * - * @access public - */ - public static function requireDER() - { - self::$format = self::MODE_DER; - } - - /** - * Accept any format and auto detect the format - * - * This is the default setting - * - * @access public - */ - public static function requireAny() - { - self::$format = self::MODE_ANY; - } -} \ No newline at end of file diff --git a/lib/phpaes/phpseclib/Crypt/Common/Keys/PKCS1.php b/lib/phpaes/phpseclib/Crypt/Common/Keys/PKCS1.php deleted file mode 100644 index 1f6729757d..0000000000 --- a/lib/phpaes/phpseclib/Crypt/Common/Keys/PKCS1.php +++ /dev/null @@ -1,224 +0,0 @@ - - * @copyright 2015 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt\Common\Keys; - -use ParagonIE\ConstantTime\Base64; -use ParagonIE\ConstantTime\Hex; -use phpseclib\Crypt\Common\BlockCipher; -use phpseclib\Crypt\Random; -use phpseclib\Crypt\AES; -use phpseclib\Crypt\Base; -use phpseclib\Crypt\DES; -use phpseclib\Crypt\TripleDES; -use phpseclib\File\ASN1; - -/** - * PKCS1 Formatted Key Handler - * - * @package RSA - * @author Jim Wigginton - * @access public - */ -abstract class PKCS1 extends PKCS -{ - /** - * Default encryption algorithm - * - * @var string - * @access private - */ - private static $defaultEncryptionAlgorithm = 'AES-128-CBC'; - - /** - * Sets the default encryption algorithm - * - * @access public - * @param string $algo - */ - public static function setEncryptionAlgorithm($algo) - { - self::$defaultEncryptionAlgorithm = $algo; - } - - /** - * Returns the mode constant corresponding to the mode string - * - * @access public - * @param string $mode - * @return int - * @throws \UnexpectedValueException if the block cipher mode is unsupported - */ - private static function getEncryptionMode($mode) - { - switch ($mode) { - case 'CBC': - return BlockCipher::MODE_CBC; - case 'ECB': - return BlockCipher::MODE_ECB; - case 'CFB': - return BlockCipher::MODE_CFB; - case 'OFB': - return BlockCipher::MODE_OFB; - case 'CTR': - return BlockCipher::MODE_CTR; - } - throw new \UnexpectedValueException('Unsupported block cipher mode of operation'); - } - - /** - * Returns a cipher object corresponding to a string - * - * @access public - * @param string $algo - * @return string - * @throws \UnexpectedValueException if the encryption algorithm is unsupported - */ - private static function getEncryptionObject($algo) - { - $modes = '(CBC|ECB|CFB|OFB|CTR)'; - switch (true) { - case preg_match("#^AES-(128|192|256)-$modes$#", $algo, $matches): - $cipher = new AES(self::getEncryptionMode($matches[2])); - $cipher->setKeyLength($matches[1]); - return $cipher; - case preg_match("#^DES-EDE3-$modes$#", $algo, $matches): - return new TripleDES(self::getEncryptionMode($matches[1])); - case preg_match("#^DES-$modes$#", $algo, $matches): - return new DES(self::getEncryptionMode($matches[1])); - default: - throw new \UnexpectedValueException('Unsupported encryption algorithmn'); - } - } - - /** - * Generate a symmetric key for PKCS#1 keys - * - * @access private - * @param string $password - * @param string $iv - * @param int $length - * @return string - */ - private static function generateSymmetricKey($password, $iv, $length) - { - $symkey = ''; - $iv = substr($iv, 0, 8); - while (strlen($symkey) < $length) { - $symkey.= md5($symkey . $password . $iv, true); - } - return substr($symkey, 0, $length); - } - - /** - * Break a public or private key down into its constituent components - * - * @access public - * @param string $key - * @param string $password optional - * @return array - */ - protected static function load($key, $password) - { - if (!is_string($key)) { - return false; - } - - /* Although PKCS#1 proposes a format that public and private keys can use, encrypting them is - "outside the scope" of PKCS#1. PKCS#1 then refers you to PKCS#12 and PKCS#15 if you're wanting to - protect private keys, however, that's not what OpenSSL* does. OpenSSL protects private keys by adding - two new "fields" to the key - DEK-Info and Proc-Type. These fields are discussed here: - - http://tools.ietf.org/html/rfc1421#section-4.6.1.1 - http://tools.ietf.org/html/rfc1421#section-4.6.1.3 - - DES-EDE3-CBC as an algorithm, however, is not discussed anywhere, near as I can tell. - DES-CBC and DES-EDE are discussed in RFC1423, however, DES-EDE3-CBC isn't, nor is its key derivation - function. As is, the definitive authority on this encoding scheme isn't the IETF but rather OpenSSL's - own implementation. ie. the implementation *is* the standard and any bugs that may exist in that - implementation are part of the standard, as well. - - * OpenSSL is the de facto standard. It's utilized by OpenSSH and other projects */ - if (preg_match('#DEK-Info: (.+),(.+)#', $key, $matches)) { - $iv = Hex::decode(trim($matches[2])); - // remove the Proc-Type / DEK-Info sections as they're no longer needed - $key = preg_replace('#^(?:Proc-Type|DEK-Info): .*#m', '', $key); - $ciphertext = ASN1::extractBER($key); - if ($ciphertext === false) { - $ciphertext = $key; - } - $crypto = self::getEncryptionObject($matches[1]); - $crypto->setKey(self::generateSymmetricKey($password, $iv, $crypto->getKeyLength() >> 3)); - $crypto->setIV($iv); - $key = $crypto->decrypt($ciphertext); - } else { - if (self::$format != self::MODE_DER) { - $decoded = ASN1::extractBER($key); - if ($decoded !== false) { - $key = $decoded; - } elseif (self::$format == self::MODE_PEM) { - return false; - } - } - } - - return $key; - } - - /** - * Wrap a private key appropriately - * - * @access public - * @param string $key - * @param string $type - * @param string $password - * @return string - */ - protected static function wrapPrivateKey($key, $type, $password) - { - if (empty($password) || !is_string($password)) { - return "-----BEGIN $type PRIVATE KEY-----\r\n" . - chunk_split(Base64::encode($key), 64) . - "-----END $type PRIVATE KEY-----"; - } - - $cipher = self::getEncryptionObject(self::$defaultEncryptionAlgorithm); - $iv = Random::string($cipher->getBlockLength() >> 3); - $cipher->setKey(self::generateSymmetricKey($password, $iv, $cipher->getKeyLength() >> 3)); - $cipher->setIV($iv); - $iv = strtoupper(Hex::encode($iv)); - return "-----BEGIN $type PRIVATE KEY-----\r\n" . - "Proc-Type: 4,ENCRYPTED\r\n" . - "DEK-Info: " . self::$defaultEncryptionAlgorithm . ",$iv\r\n" . - "\r\n" . - chunk_split(Base64::encode($cipher->encrypt($key)), 64) . - "-----END $type PRIVATE KEY-----"; - } - - /** - * Wrap a public key appropriately - * - * @access public - * @param string $key - * @param string $type - * @return string - */ - protected static function wrapPublicKey($key, $type) - { - return "-----BEGIN $type PUBLIC KEY-----\r\n" . - chunk_split(Base64::encode($key), 64) . - "-----END $type PUBLIC KEY-----"; - } -} \ No newline at end of file diff --git a/lib/phpaes/phpseclib/Crypt/Common/Keys/PKCS8.php b/lib/phpaes/phpseclib/Crypt/Common/Keys/PKCS8.php deleted file mode 100644 index ee1859cd33..0000000000 --- a/lib/phpaes/phpseclib/Crypt/Common/Keys/PKCS8.php +++ /dev/null @@ -1,609 +0,0 @@ - - * @copyright 2015 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt\Common\Keys; - -use ParagonIE\ConstantTime\Base64; -use phpseclib\Crypt\DES; -use phpseclib\Crypt\RC2; -use phpseclib\Crypt\RC4; -use phpseclib\Crypt\AES; -use phpseclib\Crypt\TripleDES; -use phpseclib\Crypt\Common\BlockCipher; -use phpseclib\Crypt\Random; -use phpseclib\Math\BigInteger; -use phpseclib\File\ASN1; -use phpseclib\File\ASN1\Maps; -use phpseclib\Exception\UnsupportedAlgorithmException; - -/** - * PKCS#8 Formatted Key Handler - * - * @package Common - * @author Jim Wigginton - * @access public - */ -abstract class PKCS8 extends PKCS -{ - /** - * Default encryption algorithm - * - * @var string - * @access private - */ - private static $defaultEncryptionAlgorithm = 'id-PBES2'; - - /** - * Default encryption scheme - * - * Only used when defaultEncryptionAlgorithm is id-PBES2 - * - * @var string - * @access private - */ - private static $defaultEncryptionScheme = 'aes128-CBC-PAD'; - - /** - * Default PRF - * - * Only used when defaultEncryptionAlgorithm is id-PBES2 - * - * @var string - * @access private - */ - private static $defaultPRF = 'id-hmacWithSHA256'; - - /** - * Default Iteration Count - * - * @var int - * @access private - */ - private static $defaultIterationCount = 2048; - - /** - * OIDs loaded - * - * @var bool - * @access private - */ - private static $oidsLoaded = false; - - /** - * Sets the default encryption algorithm - * - * @access public - * @param string $algo - */ - public static function setEncryptionAlgorithm($algo) - { - self::$defaultEncryptionAlgorithm = $algo; - } - - /** - * Sets the default encryption algorithm for PBES2 - * - * @access public - * @param string $algo - */ - public static function setEncryptionScheme($algo) - { - self::$defaultEncryptionScheme = $algo; - } - - /** - * Sets the iteration count - * - * @access public - * @param int $count - */ - public static function setIterationCount($count) - { - self::$defaultIterationCount = $count; - } - - /** - * Sets the PRF for PBES2 - * - * @access public - * @param string $algo - */ - public static function setPRF($algo) - { - self::$defaultPRF = $algo; - } - - /** - * Returns a SymmetricKey object based on a PBES1 $algo - * - * @access public - * @param string $algo - */ - private static function getPBES1EncryptionObject($algo) - { - $algo = preg_match('#^pbeWith(?:MD2|MD5|SHA1|SHA)And(.*?)-CBC$#', $algo, $matches) ? - $matches[1] : - substr($algo, 13); // strlen('pbeWithSHAAnd') == 13 - - switch ($algo) { - case 'DES': - $cipher = new DES(BlockCipher::MODE_CBC); - break; - case 'RC2': - $cipher = new RC2(BlockCipher::MODE_CBC); - break; - case '3-KeyTripleDES': - $cipher = new TripleDES(BlockCipher::MODE_CBC); - break; - case '2-KeyTripleDES': - $cipher = new TripleDES(BlockCipher::MODE_CBC); - $cipher->setKeyLength(128); - break; - case '128BitRC2': - $cipher = new RC2(BlockCipher::MODE_CBC); - $cipher->setKeyLength(128); - break; - case '40BitRC2': - $cipher = new RC2(BlockCipher::MODE_CBC); - $cipher->setKeyLength(40); - break; - case '128BitRC4': - $cipher = new RC4(); - $cipher->setKeyLength(128); - break; - case '40BitRC4': - $cipher = new RC4(); - $cipher->setKeyLength(40); - break; - default: - throw new UnsupportedAlgorithmException("$algo is not a supported algorithm"); - } - - return $cipher; - } - - /** - * Returns a hash based on a PBES1 $algo - * - * @access public - * @param string $algo - */ - private static function getPBES1Hash($algo) - { - if (preg_match('#^pbeWith(MD2|MD5|SHA1|SHA)And.*?-CBC$#', $algo, $matches)) { - return $matches[1] == 'SHA' ? 'sha1' : $matches[1]; - } - - return 'sha1'; - } - - /** - * Returns a KDF baesd on a PBES1 $algo - * - * @access public - * @param string $algo - */ - private static function getPBES1KDF($algo) - { - switch ($algo) { - case 'pbeWithMD2AndDES-CBC': - case 'pbeWithMD2AndRC2-CBC': - case 'pbeWithMD5AndDES-CBC': - case 'pbeWithMD5AndRC2-CBC': - case 'pbeWithSHA1AndDES-CBC': - case 'pbeWithSHA1AndRC2-CBC': - return 'pbkdf1'; - } - - return 'pkcs12'; - } - - /** - * Returns a SymmetricKey object baesd on a PBES2 $algo - * - * @access public - * @param string $algo - */ - private static function getPBES2EncryptionObject($algo) - { - switch ($algo) { - case 'desCBC': - $cipher = new TripleDES(BlockCipher::MODE_CBC); - break; - case 'des-EDE3-CBC': - $cipher = new TripleDES(BlockCipher::MODE_CBC); - break; - case 'rc2CBC': - $cipher = new RC2(BlockCipher::MODE_CBC); - // in theory this can be changed - $cipher->setKeyLength(128); - break; - case 'rc5-CBC-PAD': - throw new UnsupportedAlgorithmException('rc5-CBC-PAD is not supported for PBES2 PKCS#8 keys'); - case 'aes128-CBC-PAD': - case 'aes192-CBC-PAD': - case 'aes256-CBC-PAD': - $cipher = new AES(BlockCipher::MODE_CBC); - $cipher->setKeyLength(substr($algo, 3, 3)); - break; - default: - throw new UnsupportedAlgorithmException("$algo is not supported"); - } - - return $cipher; - } - - /** - * Initialize static variables - * - * @access private - */ - private static function initialize_static_variables() - { - if (!static::$childOIDsLoaded) { - ASN1::loadOIDs([static::OID_VALUE => static::OID_NAME]); - static::$childOIDsLoaded = true; - } - if (!self::$oidsLoaded) { - // from https://tools.ietf.org/html/rfc2898 - ASN1::loadOIDs([ - // PBES1 encryption schemes - '1.2.840.113549.1.5.1' => 'pbeWithMD2AndDES-CBC', - '1.2.840.113549.1.5.4' => 'pbeWithMD2AndRC2-CBC', - '1.2.840.113549.1.5.3' => 'pbeWithMD5AndDES-CBC', - '1.2.840.113549.1.5.6' => 'pbeWithMD5AndRC2-CBC', - '1.2.840.113549.1.5.10'=> 'pbeWithSHA1AndDES-CBC', - '1.2.840.113549.1.5.11'=> 'pbeWithSHA1AndRC2-CBC', - - // from PKCS#12: - // https://tools.ietf.org/html/rfc7292 - '1.2.840.113549.1.12.1.1' => 'pbeWithSHAAnd128BitRC4', - '1.2.840.113549.1.12.1.2' => 'pbeWithSHAAnd40BitRC4', - '1.2.840.113549.1.12.1.3' => 'pbeWithSHAAnd3-KeyTripleDES-CBC', - '1.2.840.113549.1.12.1.4' => 'pbeWithSHAAnd2-KeyTripleDES-CBC', - '1.2.840.113549.1.12.1.5' => 'pbeWithSHAAnd128BitRC2-CBC', - '1.2.840.113549.1.12.1.6' => 'pbeWithSHAAnd40BitRC2-CBC', - - '1.2.840.113549.1.5.12' => 'id-PBKDF2', - '1.2.840.113549.1.5.13' => 'id-PBES2', - '1.2.840.113549.1.5.14' => 'id-PBMAC1', - - // from PKCS#5 v2.1: - // http://www.rsa.com/rsalabs/pkcs/files/h11302-wp-pkcs5v2-1-password-based-cryptography-standard.pdf - '1.2.840.113549.2.7' => 'id-hmacWithSHA1', - '1.2.840.113549.2.8' => 'id-hmacWithSHA224', - '1.2.840.113549.2.9' => 'id-hmacWithSHA256', - '1.2.840.113549.2.10'=> 'id-hmacWithSHA384', - '1.2.840.113549.2.11'=> 'id-hmacWithSHA512', - '1.2.840.113549.2.12'=> 'id-hmacWithSHA512-224', - '1.2.840.113549.2.13'=> 'id-hmacWithSHA512-256', - - '1.3.14.3.2.7' => 'desCBC', - '1.2.840.113549.3.7' => 'des-EDE3-CBC', - '1.2.840.113549.3.2' => 'rc2CBC', - '1.2.840.113549.3.9' => 'rc5-CBC-PAD', - - '2.16.840.1.101.3.4.1.2' => 'aes128-CBC-PAD', - '2.16.840.1.101.3.4.1.22'=> 'aes192-CBC-PAD', - '2.16.840.1.101.3.4.1.42'=> 'aes256-CBC-PAD' - ]); - self::$oidsLoaded = true; - } - } - - /** - * Break a public or private key down into its constituent components - * - * @access public - * @param string $key - * @param string $password optional - * @return array - */ - protected static function load($key, $password = '') - { - self::initialize_static_variables(); - - if (!is_string($key)) { - return false; - } - - if (self::$format != self::MODE_DER) { - $decoded = ASN1::extractBER($key); - if ($decoded !== false) { - $key = $decoded; - } elseif (self::$format == self::MODE_PEM) { - return false; - } - } - - $decoded = ASN1::decodeBER($key); - if (empty($decoded)) { - return false; - } - - $meta = []; - - $decrypted = ASN1::asn1map($decoded[0], Maps\EncryptedPrivateKeyInfo::MAP); - if (strlen($password) && is_array($decrypted)) { - $algorithm = $decrypted['encryptionAlgorithm']['algorithm']; - switch ($algorithm) { - // PBES1 - case 'pbeWithMD2AndDES-CBC': - case 'pbeWithMD2AndRC2-CBC': - case 'pbeWithMD5AndDES-CBC': - case 'pbeWithMD5AndRC2-CBC': - case 'pbeWithSHA1AndDES-CBC': - case 'pbeWithSHA1AndRC2-CBC': - case 'pbeWithSHAAnd3-KeyTripleDES-CBC': - case 'pbeWithSHAAnd2-KeyTripleDES-CBC': - case 'pbeWithSHAAnd128BitRC2-CBC': - case 'pbeWithSHAAnd40BitRC2-CBC': - case 'pbeWithSHAAnd128BitRC4': - case 'pbeWithSHAAnd40BitRC4': - $cipher = self::getPBES1EncryptionObject($algorithm); - $hash = self::getPBES1Hash($algorithm); - $kdf = self::getPBES1KDF($algorithm); - - $meta['meta']['algorithm'] = $algorithm; - - $temp = ASN1::decodeBER($decrypted['encryptionAlgorithm']['parameters']); - extract(ASN1::asn1map($temp[0], Maps\PBEParameter::MAP)); - $iterationCount = (int) $iterationCount->toString(); - $cipher->setPassword($password, $kdf, $hash, $salt, $iterationCount); - $key = $cipher->decrypt($decrypted['encryptedData']); - $decoded = ASN1::decodeBER($key); - if (empty($decoded)) { - return false; - } - - break; - case 'id-PBES2': - $meta['meta']['algorithm'] = $algorithm; - - $temp = ASN1::decodeBER($decrypted['encryptionAlgorithm']['parameters']); - $temp = ASN1::asn1map($temp[0], Maps\PBES2params::MAP); - extract($temp); - - $cipher = self::getPBES2EncryptionObject($encryptionScheme['algorithm']); - $meta['meta']['cipher'] = $encryptionScheme['algorithm']; - - $temp = ASN1::decodeBER($decrypted['encryptionAlgorithm']['parameters']); - $temp = ASN1::asn1map($temp[0], Maps\PBES2params::MAP); - extract($temp); - - if (!$cipher instanceof RC2) { - $cipher->setIV($encryptionScheme['parameters']['octetString']); - } else { - $temp = ASN1::decodeBER($encryptionScheme['parameters']); - extract(ASN1::asn1map($temp[0], Maps\RC2CBCParameter::MAP)); - $effectiveKeyLength = (int) $rc2ParametersVersion->toString(); - switch ($effectiveKeyLength) { - case 160: - $effectiveKeyLength = 40; - break; - case 120: - $effectiveKeyLength = 64; - break; - case 58: - $effectiveKeyLength = 128; - break; - //default: // should be >= 256 - } - $cipher->setIV($iv); - $cipher->setKeyLength($effectiveKeyLength); - } - - $meta['meta']['keyDerivationFunc'] = $keyDerivationFunc['algorithm']; - switch ($keyDerivationFunc['algorithm']) { - case 'id-PBKDF2': - $temp = ASN1::decodeBER($keyDerivationFunc['parameters']); - $prf = ['algorithm' => 'id-hmacWithSHA1']; - $params = ASN1::asn1map($temp[0], Maps\PBKDF2params::MAP); - extract($params); - $meta['meta']['prf'] = $prf['algorithm']; - $hash = str_replace('-', '/', substr($prf['algorithm'], 11)); - $params = [ - $password, - 'pbkdf2', - $hash, - $salt, - (int) $iterationCount->toString() - ]; - if (isset($keyLength)) { - $params[] = (int) $keyLength->toString(); - } - call_user_func_array([$cipher, 'setPassword'], $params); - $key = $cipher->decrypt($decrypted['encryptedData']); - $decoded = ASN1::decodeBER($key); - if (empty($decoded)) { - return false; - } - break; - default: - throw new UnsupportedAlgorithmException('Only PBKDF2 is supported for PBES2 PKCS#8 keys'); - } - break; - case 'id-PBMAC1': - //$temp = ASN1::decodeBER($decrypted['encryptionAlgorithm']['parameters']); - //$value = ASN1::asn1map($temp[0], Maps\PBMAC1params::MAP); - // since i can't find any implementation that does PBMAC1 it is unsupported - throw new UnsupportedAlgorithmException('Only PBES1 and PBES2 PKCS#8 keys are supported.'); - // at this point we'll assume that the key conforms to PublicKeyInfo - } - } - - $private = ASN1::asn1map($decoded[0], Maps\PrivateKeyInfo::MAP); - if (is_array($private)) { - return $private['privateKeyAlgorithm']['algorithm'] == static::OID_NAME ? - $private + $meta : - false; - } - - // EncryptedPrivateKeyInfo and PublicKeyInfo have largely identical "signatures". the only difference - // is that the former has an octet string and the later has a bit string. the first byte of a bit - // string represents the number of bits in the last byte that are to be ignored but, currently, - // bit strings wanting a non-zero amount of bits trimmed are not supported - $public = ASN1::asn1map($decoded[0], Maps\PublicKeyInfo::MAP); - if (is_array($public)) { - if ($public['publicKey'][0] != "\0" || $public['publicKeyAlgorithm']['algorithm'] != static::OID_NAME) { - return false; - } - $public['publicKey'] = substr($public['publicKey'], 1); - return $public; - } - - return false; - } - - /** - * Wrap a private key appropriately - * - * @access public - * @param string $key - * @param string $attr - * @param mixed $params - * @param string $password - * @return string - */ - protected static function wrapPrivateKey($key, $attr, $params, $password) - { - self::initialize_static_variables(); - - $key = [ - 'version' => 'v1', - 'privateKeyAlgorithm' => [ - 'algorithm' => static::OID_NAME, - 'parameters' => $params - ], - 'privateKey' => $key - ]; - if (!empty($attr)) { - $key['attributes'] = $attr; - } - $key = ASN1::encodeDER($key, Maps\PrivateKeyInfo::MAP); - if (!empty($password) && is_string($password)) { - $salt = Random::string(8); - $iterationCount = self::$defaultIterationCount; - - if (self::$defaultEncryptionAlgorithm == 'id-PBES2') { - $crypto = self::getPBES2EncryptionObject(self::$defaultEncryptionScheme); - $hash = str_replace('-', '/', substr(self::$defaultPRF, 11)); - $kdf = 'pbkdf2'; - $iv = Random::string($crypto->getBlockLength() >> 3); - - $PBKDF2params = [ - 'salt' => $salt, - 'iterationCount' => $iterationCount, - 'prf' => ['algorithm' => self::$defaultPRF, 'parameters' => null] - ]; - $PBKDF2params = ASN1::encodeDER($PBKDF2params, Maps\PBKDF2params::MAP); - - if (!$crypto instanceof RC2) { - $params = ['octetString' => $iv]; - } else { - $params = [ - 'rc2ParametersVersion' => 58, - 'iv' => $iv - ]; - $params = ASN1::encodeDER($params, Maps\RC2CBCParameter::MAP); - $params = new ASN1\Element($params); - } - - $params = [ - 'keyDerivationFunc' => [ - 'algorithm' => 'id-PBKDF2', - 'parameters' => new ASN1\Element($PBKDF2params) - ], - 'encryptionScheme' => [ - 'algorithm' => self::$defaultEncryptionScheme, - 'parameters' => $params - ] - ]; - $params = ASN1::encodeDER($params, Maps\PBES2params::MAP); - - $crypto->setIV($iv); - } else { - $crypto = self::getPBES1EncryptionObject(self::$defaultEncryptionAlgorithm); - $hash = self::getPBES1Hash(self::$defaultEncryptionAlgorithm); - $kdf = self::getPBES1KDF(self::$defaultEncryptionAlgorithm); - - $params = [ - 'salt' => $salt, - 'iterationCount' => $iterationCount - ]; - $params = ASN1::encodeDER($params, Maps\PBEParameter::MAP); - } - $crypto->setPassword($password, $kdf, $hash, $salt, $iterationCount); - $key = $crypto->encrypt($key); - - $key = [ - 'encryptionAlgorithm' => [ - 'algorithm' => self::$defaultEncryptionAlgorithm, - 'parameters' => new ASN1\Element($params) - ], - 'encryptedData' => $key - ]; - - $key = ASN1::encodeDER($key, Maps\EncryptedPrivateKeyInfo::MAP); - - return "-----BEGIN ENCRYPTED PRIVATE KEY-----\r\n" . - chunk_split(Base64::encode($key), 64) . - "-----END ENCRYPTED PRIVATE KEY-----"; - } - - return "-----BEGIN PRIVATE KEY-----\r\n" . - chunk_split(Base64::encode($key), 64) . - "-----END PRIVATE KEY-----"; - } - - /** - * Wrap a public key appropriately - * - * @access public - * @param string $key - * @param mixed $params - * @return string - */ - protected static function wrapPublicKey($key, $params) - { - self::initialize_static_variables(); - - $key = [ - 'publicKeyAlgorithm' => [ - 'algorithm' => static::OID_NAME, - 'parameters' => $params - ], - 'publicKey' => "\0" . $key - ]; - - $key = ASN1::encodeDER($key, Maps\PublicKeyInfo::MAP); - - return "-----BEGIN PUBLIC KEY-----\r\n" . - chunk_split(Base64::encode($key), 64) . - "-----END PUBLIC KEY-----"; - } -} diff --git a/lib/phpaes/phpseclib/Crypt/Common/Keys/PuTTY.php b/lib/phpaes/phpseclib/Crypt/Common/Keys/PuTTY.php deleted file mode 100644 index 5c3fad1d57..0000000000 --- a/lib/phpaes/phpseclib/Crypt/Common/Keys/PuTTY.php +++ /dev/null @@ -1,230 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt\Common\Keys; - -use ParagonIE\ConstantTime\Base64; -use ParagonIE\ConstantTime\Hex; -use phpseclib\Crypt\AES; -use phpseclib\Crypt\Hash; -use phpseclib\Crypt\Random; -use phpseclib\Common\Functions\Strings; - -/** - * PuTTY Formatted Key Handler - * - * @package Common - * @author Jim Wigginton - * @access public - */ -abstract class PuTTY -{ - /** - * Default comment - * - * @var string - * @access private - */ - private static $comment = 'phpseclib-generated-key'; - - /** - * Sets the default comment - * - * @access public - * @param string $comment - */ - public static function setComment($comment) - { - self::$comment = str_replace(["\r", "\n"], '', $comment); - } - - /** - * Generate a symmetric key for PuTTY keys - * - * @access public - * @param string $password - * @param int $length - * @return string - */ - private static function generateSymmetricKey($password, $length) - { - $symkey = ''; - $sequence = 0; - while (strlen($symkey) < $length) { - $temp = pack('Na*', $sequence++, $password); - $symkey.= Hex::decode(sha1($temp)); - } - return substr($symkey, 0, $length); - } - - /** - * Break a public or private key down into its constituent components - * - * @access public - * @param string $key - * @param string $publicHandler - * @param string $type - * @param string $password - * @return array - */ - protected static function load($key, $password) - { - if (!is_string($key)) { - return false; - } - - if (strpos($key, 'BEGIN SSH2 PUBLIC KEY')) { - $data = preg_split('#[\r\n]+#', $key); - $data = array_splice($data, 2, -1); - $data = implode('', $data); - - $components = call_user_func([static::PUBLIC_HANDLER, 'load'], $data); - if ($components === false) { - return false; - } - - if (!preg_match('#Comment: "(.+)"#', $key, $matches)) { - return false; - } - $components['comment'] = str_replace(['\\\\', '\"'], ['\\', '"'], $matches[1]); - - return $components; - } - - $components = []; - - $key = preg_split('#\r\n|\r|\n#', trim($key)); - $type = trim(preg_replace('#PuTTY-User-Key-File-2: (.+)#', '$1', $key[0])); - if ($type != static::TYPE) { - return false; - } - $encryption = trim(preg_replace('#Encryption: (.+)#', '$1', $key[1])); - $components['comment'] = trim(preg_replace('#Comment: (.+)#', '$1', $key[2])); - - $publicLength = trim(preg_replace('#Public-Lines: (\d+)#', '$1', $key[3])); - $public = Base64::decode(implode('', array_map('trim', array_slice($key, 4, $publicLength)))); - - $source = Strings::packSSH2('ssss', static::TYPE, $encryption, $components['comment'], $public); - - extract(unpack('Nlength', Strings::shift($public, 4))); - if (Strings::shift($public, $length) != static::TYPE) { - return false; - } - - $components['public'] = $public; - - $privateLength = trim(preg_replace('#Private-Lines: (\d+)#', '$1', $key[$publicLength + 4])); - $private = Base64::decode(implode('', array_map('trim', array_slice($key, $publicLength + 5, $privateLength)))); - - switch ($encryption) { - case 'aes256-cbc': - $symkey = self::generateSymmetricKey($password, 32); - $crypto = new AES(AES::MODE_CBC); - } - - $hashkey = 'putty-private-key-file-mac-key'; - - if ($encryption != 'none') { - $hashkey.= $password; - $crypto->setKey($symkey); - $crypto->setIV(str_repeat("\0", $crypto->getBlockLength() >> 3)); - $crypto->disablePadding(); - $private = $crypto->decrypt($private); - } - - $source.= Strings::packSSH2('s', $private); - - $hash = new Hash('sha1'); - $hash->setKey(sha1($hashkey, true)); - $hmac = trim(preg_replace('#Private-MAC: (.+)#', '$1', $key[$publicLength + $privateLength + 5])); - $hmac = Hex::decode($hmac); - - if (!Strings::equals($hash->hash($source), $hmac)) { - throw new \UnexpectedValueException('MAC validation error'); - } - - $components['private'] = $private; - - return $components; - } - - /** - * Wrap a private key appropriately - * - * @access private - * @param string $public - * @param string $private - * @param string $password - * @return string - */ - protected static function wrapPrivateKey($public, $private, $password) - { - $key = "PuTTY-User-Key-File-2: " . static::TYPE . "\r\nEncryption: "; - $encryption = (!empty($password) || is_string($password)) ? 'aes256-cbc' : 'none'; - $key.= $encryption; - $key.= "\r\nComment: " . self::$comment . "\r\n"; - - $public = Strings::packSSH2('s', static::TYPE) . $public; - - $source = Strings::packSSH2('ssss', static::TYPE, $encryption, self::$comment, $public); - - $public = Base64::encode($public); - $key.= "Public-Lines: " . ((strlen($public) + 63) >> 6) . "\r\n"; - $key.= chunk_split($public, 64); - - if (empty($password) && !is_string($password)) { - $source.= Strings::packSSH2('s', $private); - $hashkey = 'putty-private-key-file-mac-key'; - } else { - $private.= Random::string(16 - (strlen($private) & 15)); - $source.= Strings::packSSH2('s', $private); - $crypto = new AES(AES::MODE_CBC); - - $crypto->setKey(self::generateSymmetricKey($password, 32)); - $crypto->setIV(str_repeat("\0", $crypto->getBlockLength() >> 3)); - $crypto->disablePadding(); - $private = $crypto->encrypt($private); - $hashkey = 'putty-private-key-file-mac-key' . $password; - } - - $private = Base64::encode($private); - $key.= 'Private-Lines: ' . ((strlen($private) + 63) >> 6) . "\r\n"; - $key.= chunk_split($private, 64); - $hash = new Hash('sha1'); - $hash->setKey(sha1($hashkey, true)); - $key.= 'Private-MAC: ' . Hex::encode($hash->hash($source)) . "\r\n"; - - return $key; - } - - /** - * Wrap a public key appropriately - * - * This is basically the format described in RFC 4716 (https://tools.ietf.org/html/rfc4716) - * - * @access private - * @param string $key - * @return string - */ - protected static function wrapPublicKey($key) - { - $key = pack('Na*a*', strlen(static::TYPE), static::TYPE, $key); - $key = "---- BEGIN SSH2 PUBLIC KEY ----\r\n" . - 'Comment: "' . str_replace(['\\', '"'], ['\\\\', '\"'], self::$comment) . "\"\r\n" . - chunk_split(Base64::encode($key), 64) . - '---- END SSH2 PUBLIC KEY ----'; - return $key; - } -} diff --git a/lib/phpaes/phpseclib/Crypt/Common/Signature/Raw.php b/lib/phpaes/phpseclib/Crypt/Common/Signature/Raw.php deleted file mode 100644 index 46929eba65..0000000000 --- a/lib/phpaes/phpseclib/Crypt/Common/Signature/Raw.php +++ /dev/null @@ -1,67 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt\Common\Signature; - -use phpseclib\Math\BigInteger; -use phpseclib\Common\Functions\Strings; - -/** - * Raw Signature Handler - * - * @package Common - * @author Jim Wigginton - * @access public - */ -abstract class Raw -{ - /** - * Loads a signature - * - * @access public - * @param array $key - * @return array - */ - public static function load($sig) - { - switch (true) { - case !is_array($sig): - case !isset($sig['r']) || !isset($sig['s']): - case !$sig['r'] instanceof BigInteger: - case !$sig['s'] instanceof BigInteger: - return false; - } - - return [ - 'r' => $key['r'], - 's' => $key['s'] - ]; - } - - /** - * Returns a signature in the appropriate format - * - * @access public - * @param \phpseclib\Math\BigInteger $r - * @param \phpseclib\Math\BigInteger $s - * @return string - */ - public static function save(BigInteger $r, BigInteger $s) - { - return compact('r', 's'); - } -} diff --git a/lib/phpaes/phpseclib/Crypt/Common/StreamCipher.php b/lib/phpaes/phpseclib/Crypt/Common/StreamCipher.php deleted file mode 100644 index 01b055b2ed..0000000000 --- a/lib/phpaes/phpseclib/Crypt/Common/StreamCipher.php +++ /dev/null @@ -1,27 +0,0 @@ - - * @author Hans-Juergen Petrich - * @copyright 2007 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt\Common; - -/** - * Base Class for all stream cipher classes - * - * @package StreamCipher - * @author Jim Wigginton - */ -abstract class StreamCipher extends SymmetricKey -{ -} diff --git a/lib/phpaes/phpseclib/Crypt/Common/SymmetricKey.php b/lib/phpaes/phpseclib/Crypt/Common/SymmetricKey.php deleted file mode 100644 index e2c1d20e7a..0000000000 --- a/lib/phpaes/phpseclib/Crypt/Common/SymmetricKey.php +++ /dev/null @@ -1,2588 +0,0 @@ - - * @author Hans-Juergen Petrich - * @copyright 2007 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -//namespace phpseclib\Crypt\Common; -// -//use phpseclib\Crypt\Hash; -//use phpseclib\Common\Functions\Strings; -//use phpseclib\Math\BigInteger; -include PHPAES_ROOT . '/phpseclib/Crypt/Hash.php'; -include PHPAES_ROOT . '/phpseclib/Common/Functions/Strings.php'; -include PHPAES_ROOT . '/phpseclib/Math/BigInteger.php'; - -/** - * Base Class for all \phpseclib\Crypt\* cipher classes - * - * @package Base - * @author Jim Wigginton - * @author Hans-Juergen Petrich - */ -abstract class SymmetricKey -{ - /**#@+ - * @access public - * @see \phpseclib\Crypt\Common\SymmetricKey::encrypt() - * @see \phpseclib\Crypt\Common\SymmetricKey::decrypt() - */ - /** - * Encrypt / decrypt using the Counter mode. - * - * Set to -1 since that's what Crypt/Random.php uses to index the CTR mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Counter_.28CTR.29 - */ - const MODE_CTR = -1; - /** - * Encrypt / decrypt using the Electronic Code Book mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Electronic_codebook_.28ECB.29 - */ - const MODE_ECB = 1; - /** - * Encrypt / decrypt using the Code Book Chaining mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Cipher-block_chaining_.28CBC.29 - */ - const MODE_CBC = 2; - /** - * Encrypt / decrypt using the Cipher Feedback mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Cipher_feedback_.28CFB.29 - */ - const MODE_CFB = 3; - /** - * Encrypt / decrypt using the Output Feedback mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Output_feedback_.28OFB.29 - */ - const MODE_OFB = 4; - /** - * Encrypt / decrypt using streaming mode. - */ - const MODE_STREAM = 5; - /**#@-*/ - - /**#@+ - * @access private - * @see \phpseclib\Crypt\Common\SymmetricKey::__construct() - */ - /** - * Base value for the internal implementation $engine switch - */ - const ENGINE_INTERNAL = 1; - /** - * Base value for the eval() implementation $engine switch - */ - const ENGINE_EVAL = 2; - /** - * Base value for the mcrypt implementation $engine switch - */ - const ENGINE_MCRYPT = 3; - /** - * Base value for the mcrypt implementation $engine switch - */ - const ENGINE_OPENSSL = 4; - /**#@-*/ - - /** - * The Encryption Mode - * - * @see self::__construct() - * @var int - * @access private - */ - protected $mode; - - /** - * The Block Length of the block cipher - * - * @var int - * @access private - */ - protected $block_size = 16; - - /** - * The Key - * - * @see self::setKey() - * @var string - * @access private - */ - protected $key = false; - - /** - * The Initialization Vector - * - * @see self::setIV() - * @var string - * @access private - */ - private $iv = false; - - /** - * A "sliding" Initialization Vector - * - * @see self::enableContinuousBuffer() - * @see self::clearBuffers() - * @var string - * @access private - */ - protected $encryptIV; - - /** - * A "sliding" Initialization Vector - * - * @see self::enableContinuousBuffer() - * @see self::clearBuffers() - * @var string - * @access private - */ - protected $decryptIV; - - /** - * Continuous Buffer status - * - * @see self::enableContinuousBuffer() - * @var bool - * @access private - */ - protected $continuousBuffer = false; - - /** - * Encryption buffer for CTR, OFB and CFB modes - * - * @see self::encrypt() - * @see self::clearBuffers() - * @var array - * @access private - */ - private $enbuffer; - - /** - * Decryption buffer for CTR, OFB and CFB modes - * - * @see self::decrypt() - * @see self::clearBuffers() - * @var array - * @access private - */ - private $debuffer; - - /** - * mcrypt resource for encryption - * - * The mcrypt resource can be recreated every time something needs to be created or it can be created just once. - * Since mcrypt operates in continuous mode, by default, it'll need to be recreated when in non-continuous mode. - * - * @see self::encrypt() - * @var resource - * @access private - */ - private $enmcrypt; - - /** - * mcrypt resource for decryption - * - * The mcrypt resource can be recreated every time something needs to be created or it can be created just once. - * Since mcrypt operates in continuous mode, by default, it'll need to be recreated when in non-continuous mode. - * - * @see self::decrypt() - * @var resource - * @access private - */ - private $demcrypt; - - /** - * Does the enmcrypt resource need to be (re)initialized? - * - * @see \phpseclib\Crypt\Twofish::setKey() - * @see \phpseclib\Crypt\Twofish::setIV() - * @var bool - * @access private - */ - private $enchanged = true; - - /** - * Does the demcrypt resource need to be (re)initialized? - * - * @see \phpseclib\Crypt\Twofish::setKey() - * @see \phpseclib\Crypt\Twofish::setIV() - * @var bool - * @access private - */ - private $dechanged = true; - - /** - * mcrypt resource for CFB mode - * - * mcrypt's CFB mode, in (and only in) buffered context, - * is broken, so phpseclib implements the CFB mode by it self, - * even when the mcrypt php extension is available. - * - * In order to do the CFB-mode work (fast) phpseclib - * use a separate ECB-mode mcrypt resource. - * - * @link http://phpseclib.sourceforge.net/cfb-demo.phps - * @see self::encrypt() - * @see self::decrypt() - * @see self::setupMcrypt() - * @var resource - * @access private - */ - private $ecb; - - /** - * Optimizing value while CFB-encrypting - * - * Only relevant if $continuousBuffer enabled - * and $engine == self::ENGINE_MCRYPT - * - * It's faster to re-init $enmcrypt if - * $buffer bytes > $cfb_init_len than - * using the $ecb resource furthermore. - * - * This value depends of the chosen cipher - * and the time it would be needed for it's - * initialization [by mcrypt_generic_init()] - * which, typically, depends on the complexity - * on its internaly Key-expanding algorithm. - * - * @see self::encrypt() - * @var int - * @access private - */ - protected $cfb_init_len = 600; - - /** - * Does internal cipher state need to be (re)initialized? - * - * @see self::setKey() - * @see self::setIV() - * @see self::disableContinuousBuffer() - * @var bool - * @access private - */ - protected $changed = true; - - /** - * Padding status - * - * @see self::enablePadding() - * @var bool - * @access private - */ - private $padding = true; - - /** - * Is the mode one that is paddable? - * - * @see self::__construct() - * @var bool - * @access private - */ - private $paddable = false; - - /** - * Holds which crypt engine internaly should be use, - * which will be determined automatically on __construct() - * - * Currently available $engines are: - * - self::ENGINE_OPENSSL (very fast, php-extension: openssl, extension_loaded('openssl') required) - * - self::ENGINE_MCRYPT (fast, php-extension: mcrypt, extension_loaded('mcrypt') required) - * - self::ENGINE_INTERNAL (slower, pure php-engine, no php-extension required) - * - * @see self::setEngine() - * @see self::encrypt() - * @see self::decrypt() - * @var int - * @access private - */ - protected $engine; - - /** - * Holds the preferred crypt engine - * - * @see self::setEngine() - * @see self::setPreferredEngine() - * @var int - * @access private - */ - private $preferredEngine; - - /** - * The mcrypt specific name of the cipher - * - * Only used if $engine == self::ENGINE_MCRYPT - * - * @link http://www.php.net/mcrypt_module_open - * @link http://www.php.net/mcrypt_list_algorithms - * @see self::setupMcrypt() - * @var string - * @access private - */ - protected $cipher_name_mcrypt; - - /** - * The openssl specific name of the cipher - * - * Only used if $engine == self::ENGINE_OPENSSL - * - * @link http://www.php.net/openssl-get-cipher-methods - * @var string - * @access private - */ - protected $cipher_name_openssl; - - /** - * The openssl specific name of the cipher in ECB mode - * - * If OpenSSL does not support the mode we're trying to use (CTR) - * it can still be emulated with ECB mode. - * - * @link http://www.php.net/openssl-get-cipher-methods - * @var string - * @access private - */ - protected $cipher_name_openssl_ecb; - - /** - * The default salt used by setPassword() - * - * @see self::setPassword() - * @var string - * @access private - */ - private $password_default_salt = 'phpseclib/salt'; - - /** - * The name of the performance-optimized callback function - * - * Used by encrypt() / decrypt() - * only if $engine == self::ENGINE_INTERNAL - * - * @see self::encrypt() - * @see self::decrypt() - * @see self::setupInlineCrypt() - * @see self::$use_inline_crypt - * @var Callback - * @access private - */ - protected $inline_crypt; - - /** - * Holds whether performance-optimized $inline_crypt() can/should be used. - * - * @see self::encrypt() - * @see self::decrypt() - * @see self::inline_crypt - * @var mixed - * @access private - */ - protected $use_inline_crypt; - - /** - * If OpenSSL can be used in ECB but not in CTR we can emulate CTR - * - * @see self::openssl_ctr_process() - * @var bool - * @access private - */ - private $openssl_emulate_ctr = false; - - /** - * Don't truncate / null pad key - * - * @see self::clearBuffers() - * @var bool - * @access private - */ - private $skip_key_adjustment = false; - - /** - * Has the key length explicitly been set or should it be derived from the key, itself? - * - * @see self::setKeyLength() - * @var bool - * @access private - */ - protected $explicit_key_length = false; - - /** - * Default Constructor. - * - * $mode could be: - * - * - self::MODE_ECB - * - * - self::MODE_CBC - * - * - self::MODE_CTR - * - * - self::MODE_CFB - * - * - self::MODE_OFB - * - * @param int $mode - * @access public - * @throws \InvalidArgumentException if an invalid / unsupported mode is provided - */ - public function __construct($mode) - { - // $mode dependent settings - switch ($mode) { - case self::MODE_ECB: - case self::MODE_CBC: - $this->paddable = true; - break; - case self::MODE_CTR: - case self::MODE_CFB: - case self::MODE_OFB: - case self::MODE_STREAM: - $this->paddable = false; - break; - default: - throw new \InvalidArgumentException('No valid mode has been specified'); - } - - $this->mode = $mode; - } - - /** - * Sets the initialization vector. - * - * setIV() is not required when self::MODE_ECB (or ie for AES: \phpseclib\Crypt\AES::MODE_ECB) is being used. - * - * @access public - * @param string $iv - * @throws \LengthException if the IV length isn't equal to the block size - * @throws \InvalidArgumentException if an IV is provided when one shouldn't be - * @internal Can be overwritten by a sub class, but does not have to be - */ - public function setIV($iv) - { - if ($this->mode == self::MODE_ECB) { - throw new \InvalidArgumentException('This mode does not require an IV.'); - } - - if (!$this->usesIV()) { - throw new \InvalidArgumentException('This algorithm does not use an IV.'); - } - - if (strlen($iv) != $this->block_size) { - throw new \LengthException('Received initialization vector of size ' . strlen($iv) . ', but size ' . $this->block_size . ' is required'); - } - - $this->iv = $iv; - $this->changed = true; - } - - /** - * Returns whether or not the algorithm uses an IV - * - * @access public - * @return bool - */ - public function usesIV() - { - return true; - } - - /** - * Returns the current key length in bits - * - * @access public - * @return int - */ - public function getKeyLength() - { - return $this->key_length << 3; - } - - /** - * Returns the current block length in bits - * - * @access public - * @return int - */ - public function getBlockLength() - { - return $this->block_size << 3; - } - - /** - * Returns the current block length in bytes - * - * @access public - * @return int - */ - public function getBlockLengthInBytes() - { - return $this->block_size; - } - - /** - * Sets the key length. - * - * Keys with explicitly set lengths need to be treated accordingly - * - * @access public - * @param int $length - */ - public function setKeyLength($length) - { - $this->explicit_key_length = $length >> 3; - - if (is_string($this->key) && strlen($this->key) != $this->explicit_key_length) { - $this->key = false; - throw new \LengthException('Key has already been set and is not ' .$this->explicit_key_length . ' bytes long'); - } - } - - /** - * Sets the key. - * - * The min/max length(s) of the key depends on the cipher which is used. - * If the key not fits the length(s) of the cipher it will paded with null bytes - * up to the closest valid key length. If the key is more than max length, - * we trim the excess bits. - * - * If the key is not explicitly set, it'll be assumed to be all null bytes. - * - * @access public - * @param string $key - * @internal Could, but not must, extend by the child Crypt_* class - */ - public function setKey($key) - { - if ($this->explicit_key_length !== false && strlen($key) != $this->explicit_key_length) { - throw new \LengthException('Key length has already been set to ' . $this->explicit_key_length . ' bytes and this key is ' . strlen($key) . ' bytes'); - } - - $this->key = $key; - $this->key_length = strlen($key); - $this->changed = true; - $this->setEngine(); - } - - /** - * Sets the password. - * - * Depending on what $method is set to, setPassword()'s (optional) parameters are as follows: - * {@link http://en.wikipedia.org/wiki/PBKDF2 pbkdf2} or pbkdf1: - * $hash, $salt, $count, $dkLen - * - * Where $hash (default = sha1) currently supports the following hashes: see: Crypt/Hash.php - * - * @see Crypt/Hash.php - * @param string $password - * @param string $method - * @throws \LengthException if pbkdf1 is being used and the derived key length exceeds the hash length - * @return bool - * @access public - * @internal Could, but not must, extend by the child Crypt_* class - */ - public function setPassword($password, $method = 'pbkdf2') - { - $key = ''; - - $method = strtolower($method); - switch ($method) { - case 'pkcs12': // from https://tools.ietf.org/html/rfc7292#appendix-B.2 - case 'pbkdf1': - case 'pbkdf2': - $func_args = func_get_args(); - - // Hash function - $hash = isset($func_args[2]) ? strtolower($func_args[2]) : 'sha1'; - $hashObj = new Hash(); - $hashObj->setHash($hash); - - // WPA and WPA2 use the SSID as the salt - $salt = isset($func_args[3]) ? $func_args[3] : $this->password_default_salt; - - // RFC2898#section-4.2 uses 1,000 iterations by default - // WPA and WPA2 use 4,096. - $count = isset($func_args[4]) ? $func_args[4] : 1000; - - // Keylength - if (isset($func_args[5])) { - $dkLen = $func_args[5]; - } else { - $key_length = $this->explicit_key_length !== false ? $this->explicit_key_length : $this->key_length; - $dkLen = $method == 'pbkdf1' ? 2 * $key_length : $key_length; - } - - switch (true) { - case $method == 'pkcs12': - /* - In this specification, however, all passwords are created from - BMPStrings with a NULL terminator. This means that each character in - the original BMPString is encoded in 2 bytes in big-endian format - (most-significant byte first). There are no Unicode byte order - marks. The 2 bytes produced from the last character in the BMPString - are followed by 2 additional bytes with the value 0x00. - - -- https://tools.ietf.org/html/rfc7292#appendix-B.1 - */ - $password = "\0". chunk_split($password, 1, "\0") . "\0"; - - /* - This standard specifies 3 different values for the ID byte mentioned - above: - - 1. If ID=1, then the pseudorandom bits being produced are to be used - as key material for performing encryption or decryption. - - 2. If ID=2, then the pseudorandom bits being produced are to be used - as an IV (Initial Value) for encryption or decryption. - - 3. If ID=3, then the pseudorandom bits being produced are to be used - as an integrity key for MACing. - */ - // Construct a string, D (the "diversifier"), by concatenating v/8 - // copies of ID. - $blockLength = $hashObj->getBlockLengthInBytes(); - $d1 = str_repeat(chr(1), $blockLength); - $d2 = str_repeat(chr(2), $blockLength); - $s = ''; - if (strlen($salt)) { - while (strlen($s) < $blockLength) { - $s.= $salt; - } - } - $s = substr($s, 0, $blockLength); - - $p = ''; - if (strlen($password)) { - while (strlen($p) < $blockLength) { - $p.= $password; - } - } - $p = substr($p, 0, $blockLength); - - $i = $s . $p; - - $this->setKey(self::pkcs12helper($dkLen, $hashObj, $i, $d1, $count)); - if ($this->usesIV()) { - $this->setIV(self::pkcs12helper($this->block_size, $hashObj, $i, $d2, $count)); - } - - return true; - case $method == 'pbkdf1': - if ($dkLen > $hashObj->getLengthInBytes()) { - throw new \LengthException('Derived key length cannot be longer than the hash length'); - } - $t = $password . $salt; - for ($i = 0; $i < $count; ++$i) { - $t = $hashObj->hash($t); - } - $key = substr($t, 0, $dkLen); - - $this->setKey(substr($key, 0, $dkLen >> 1)); - if ($this->usesIV()) { - $this->setIV(substr($key, $dkLen >> 1)); - } - - return true; - case !function_exists('hash_pbkdf2'): - case !function_exists('hash_algos'): - case !in_array($hash, hash_algos()): - $i = 1; - $hashObj->setKey($password); - while (strlen($key) < $dkLen) { - $f = $u = $hashObj->hash($salt . pack('N', $i++)); - for ($j = 2; $j <= $count; ++$j) { - $u = $hashObj->hash($u); - $f^= $u; - } - $key.= $f; - } - $key = substr($key, 0, $dkLen); - break; - default: - $key = hash_pbkdf2($hash, $password, $salt, $count, $dkLen, true); - } - break; - default: - throw new \InvalidArgumentException($method . ' is not a supported password hashing method'); - } - - $this->setKey($key); - - return true; - } - - /** - * PKCS#12 KDF Helper Function - * - * As discussed here: - * - * {@link https://tools.ietf.org/html/rfc7292#appendix-B} - * - * @see self::setPassword() - * @access private - * @param int $n - * @param \phpseclib\Crypt\Hash $hashObj - * @param string $i - * @param string $d - * @param int $count - * @return string $a - */ - private static function pkcs12helper($n, $hashObj, $i, $d, $count) - { - static $one; - if (!isset($one)) { - $one = new BigInteger(1); - } - - $blockLength = $hashObj->getBlockLength() >> 3; - - $c = ceil($n / $hashObj->getLengthInBytes()); - $a = ''; - for ($j = 1; $j <= $c; $j++) { - $ai = $d . $i; - for ($k = 0; $k < $count; $k++) { - $ai = $hashObj->hash($ai); - } - $b = ''; - while (strlen($b) < $blockLength) { - $b.= $ai; - } - $b = substr($b, 0, $blockLength); - $b = new BigInteger($b, 256); - $newi = ''; - for ($k = 0; $k < strlen($i); $k+= $blockLength) { - $temp = substr($i, $k, $blockLength); - $temp = new BigInteger($temp, 256); - $temp->setPrecision($blockLength << 3); - $temp = $temp->add($b); - $temp = $temp->add($one); - $newi.= $temp->toBytes(false); - } - $i = $newi; - $a.= $ai; - } - - return substr($a, 0, $n); - } - - /** - * Encrypts a message. - * - * $plaintext will be padded with additional bytes such that it's length is a multiple of the block size. Other cipher - * implementations may or may not pad in the same manner. Other common approaches to padding and the reasons why it's - * necessary are discussed in the following - * URL: - * - * {@link http://www.di-mgt.com.au/cryptopad.html http://www.di-mgt.com.au/cryptopad.html} - * - * An alternative to padding is to, separately, send the length of the file. This is what SSH, in fact, does. - * strlen($plaintext) will still need to be a multiple of the block size, however, arbitrary values can be added to make it that - * length. - * - * @see self::decrypt() - * @access public - * @param string $plaintext - * @return string $ciphertext - * @internal Could, but not must, extend by the child Crypt_* class - */ - public function encrypt($plaintext) - { - if ($this->paddable) { - $plaintext = $this->pad($plaintext); - } - - if ($this->engine === self::ENGINE_OPENSSL) { - if ($this->changed) { - $this->clearBuffers(); - $this->changed = false; - } - switch ($this->mode) { - case self::MODE_STREAM: - return openssl_encrypt($plaintext, $this->cipher_name_openssl, $this->key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING); - case self::MODE_ECB: - return openssl_encrypt($plaintext, $this->cipher_name_openssl, $this->key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING); - case self::MODE_CBC: - $result = openssl_encrypt($plaintext, $this->cipher_name_openssl, $this->key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING, $this->encryptIV); - if ($this->continuousBuffer) { - $this->encryptIV = substr($result, -$this->block_size); - } - return $result; - case self::MODE_CTR: - return $this->openssl_ctr_process($plaintext, $this->encryptIV, $this->enbuffer); - case self::MODE_CFB: - // cfb loosely routines inspired by openssl's: - // {@link http://cvs.openssl.org/fileview?f=openssl/crypto/modes/cfb128.c&v=1.3.2.2.2.1} - $ciphertext = ''; - if ($this->continuousBuffer) { - $iv = &$this->encryptIV; - $pos = &$this->enbuffer['pos']; - } else { - $iv = $this->encryptIV; - $pos = 0; - } - $len = strlen($plaintext); - $i = 0; - if ($pos) { - $orig_pos = $pos; - $max = $this->block_size - $pos; - if ($len >= $max) { - $i = $max; - $len-= $max; - $pos = 0; - } else { - $i = $len; - $pos+= $len; - $len = 0; - } - // ie. $i = min($max, $len), $len-= $i, $pos+= $i, $pos%= $blocksize - $ciphertext = substr($iv, $orig_pos) ^ $plaintext; - $iv = substr_replace($iv, $ciphertext, $orig_pos, $i); - $plaintext = substr($plaintext, $i); - } - - $overflow = $len % $this->block_size; - - if ($overflow) { - $ciphertext.= openssl_encrypt(substr($plaintext, 0, -$overflow) . str_repeat("\0", $this->block_size), $this->cipher_name_openssl, $this->key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING, $iv); - $iv = Strings::pop($ciphertext, $this->block_size); - - $size = $len - $overflow; - $block = $iv ^ substr($plaintext, -$overflow); - $iv = substr_replace($iv, $block, 0, $overflow); - $ciphertext.= $block; - $pos = $overflow; - } elseif ($len) { - $ciphertext = openssl_encrypt($plaintext, $this->cipher_name_openssl, $this->key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING, $iv); - $iv = substr($ciphertext, -$this->block_size); - } - - return $ciphertext; - case self::MODE_OFB: - return $this->openssl_ofb_process($plaintext, $this->encryptIV, $this->enbuffer); - } - } - - if ($this->engine === self::ENGINE_MCRYPT) { - if ($this->changed) { - $this->setupMcrypt(); - $this->changed = false; - } - if ($this->enchanged) { - @mcrypt_generic_init($this->enmcrypt, $this->key, $this->getIV($this->encryptIV)); - $this->enchanged = false; - } - - // re: {@link http://phpseclib.sourceforge.net/cfb-demo.phps} - // using mcrypt's default handing of CFB the above would output two different things. using phpseclib's - // rewritten CFB implementation the above outputs the same thing twice. - if ($this->mode == self::MODE_CFB && $this->continuousBuffer) { - $block_size = $this->block_size; - $iv = &$this->encryptIV; - $pos = &$this->enbuffer['pos']; - $len = strlen($plaintext); - $ciphertext = ''; - $i = 0; - if ($pos) { - $orig_pos = $pos; - $max = $block_size - $pos; - if ($len >= $max) { - $i = $max; - $len-= $max; - $pos = 0; - } else { - $i = $len; - $pos+= $len; - $len = 0; - } - $ciphertext = substr($iv, $orig_pos) ^ $plaintext; - $iv = substr_replace($iv, $ciphertext, $orig_pos, $i); - $this->enbuffer['enmcrypt_init'] = true; - } - if ($len >= $block_size) { - if ($this->enbuffer['enmcrypt_init'] === false || $len > $this->cfb_init_len) { - if ($this->enbuffer['enmcrypt_init'] === true) { - @mcrypt_generic_init($this->enmcrypt, $this->key, $iv); - $this->enbuffer['enmcrypt_init'] = false; - } - $ciphertext.= @mcrypt_generic($this->enmcrypt, substr($plaintext, $i, $len - $len % $block_size)); - $iv = substr($ciphertext, -$block_size); - $len%= $block_size; - } else { - while ($len >= $block_size) { - $iv = @mcrypt_generic($this->ecb, $iv) ^ substr($plaintext, $i, $block_size); - $ciphertext.= $iv; - $len-= $block_size; - $i+= $block_size; - } - } - } - - if ($len) { - $iv = @mcrypt_generic($this->ecb, $iv); - $block = $iv ^ substr($plaintext, -$len); - $iv = substr_replace($iv, $block, 0, $len); - $ciphertext.= $block; - $pos = $len; - } - - return $ciphertext; - } - - $ciphertext = @mcrypt_generic($this->enmcrypt, $plaintext); - - if (!$this->continuousBuffer) { - @mcrypt_generic_init($this->enmcrypt, $this->key, $this->getIV($this->encryptIV)); - } - - return $ciphertext; - } - - if ($this->changed) { - $this->setup(); - $this->changed = false; - } - if ($this->engine === self::ENGINE_EVAL) { - $inline = $this->inline_crypt; - return $inline('encrypt', $plaintext); - } - - $buffer = &$this->enbuffer; - $block_size = $this->block_size; - $ciphertext = ''; - switch ($this->mode) { - case self::MODE_ECB: - for ($i = 0; $i < strlen($plaintext); $i+=$block_size) { - $ciphertext.= $this->encryptBlock(substr($plaintext, $i, $block_size)); - } - break; - case self::MODE_CBC: - $xor = $this->encryptIV; - for ($i = 0; $i < strlen($plaintext); $i+=$block_size) { - $block = substr($plaintext, $i, $block_size); - $block = $this->encryptBlock($block ^ $xor); - $xor = $block; - $ciphertext.= $block; - } - if ($this->continuousBuffer) { - $this->encryptIV = $xor; - } - break; - case self::MODE_CTR: - $xor = $this->encryptIV; - if (strlen($buffer['ciphertext'])) { - for ($i = 0; $i < strlen($plaintext); $i+=$block_size) { - $block = substr($plaintext, $i, $block_size); - if (strlen($block) > strlen($buffer['ciphertext'])) { - $buffer['ciphertext'].= $this->encryptBlock($xor); - } - $this->increment_str($xor); - $key = Strings::shift($buffer['ciphertext'], $block_size); - $ciphertext.= $block ^ $key; - } - } else { - for ($i = 0; $i < strlen($plaintext); $i+=$block_size) { - $block = substr($plaintext, $i, $block_size); - $key = $this->encryptBlock($xor); - $this->increment_str($xor); - $ciphertext.= $block ^ $key; - } - } - if ($this->continuousBuffer) { - $this->encryptIV = $xor; - if ($start = strlen($plaintext) % $block_size) { - $buffer['ciphertext'] = substr($key, $start) . $buffer['ciphertext']; - } - } - break; - case self::MODE_CFB: - // cfb loosely routines inspired by openssl's: - // {@link http://cvs.openssl.org/fileview?f=openssl/crypto/modes/cfb128.c&v=1.3.2.2.2.1} - if ($this->continuousBuffer) { - $iv = &$this->encryptIV; - $pos = &$buffer['pos']; - } else { - $iv = $this->encryptIV; - $pos = 0; - } - $len = strlen($plaintext); - $i = 0; - if ($pos) { - $orig_pos = $pos; - $max = $block_size - $pos; - if ($len >= $max) { - $i = $max; - $len-= $max; - $pos = 0; - } else { - $i = $len; - $pos+= $len; - $len = 0; - } - // ie. $i = min($max, $len), $len-= $i, $pos+= $i, $pos%= $blocksize - $ciphertext = substr($iv, $orig_pos) ^ $plaintext; - $iv = substr_replace($iv, $ciphertext, $orig_pos, $i); - } - while ($len >= $block_size) { - $iv = $this->encryptBlock($iv) ^ substr($plaintext, $i, $block_size); - $ciphertext.= $iv; - $len-= $block_size; - $i+= $block_size; - } - if ($len) { - $iv = $this->encryptBlock($iv); - $block = $iv ^ substr($plaintext, $i); - $iv = substr_replace($iv, $block, 0, $len); - $ciphertext.= $block; - $pos = $len; - } - break; - case self::MODE_OFB: - $xor = $this->encryptIV; - if (strlen($buffer['xor'])) { - for ($i = 0; $i < strlen($plaintext); $i+=$block_size) { - $block = substr($plaintext, $i, $block_size); - if (strlen($block) > strlen($buffer['xor'])) { - $xor = $this->encryptBlock($xor); - $buffer['xor'].= $xor; - } - $key = Strings::shift($buffer['xor'], $block_size); - $ciphertext.= $block ^ $key; - } - } else { - for ($i = 0; $i < strlen($plaintext); $i+=$block_size) { - $xor = $this->encryptBlock($xor); - $ciphertext.= substr($plaintext, $i, $block_size) ^ $xor; - } - $key = $xor; - } - if ($this->continuousBuffer) { - $this->encryptIV = $xor; - if ($start = strlen($plaintext) % $block_size) { - $buffer['xor'] = substr($key, $start) . $buffer['xor']; - } - } - break; - case self::MODE_STREAM: - $ciphertext = $this->encryptBlock($plaintext); - break; - } - - return $ciphertext; - } - - /** - * Decrypts a message. - * - * If strlen($ciphertext) is not a multiple of the block size, null bytes will be added to the end of the string until - * it is. - * - * @see self::encrypt() - * @access public - * @param string $ciphertext - * @return string $plaintext - * @throws \LengthException if we're inside a block cipher and the ciphertext length is not a multiple of the block size - * @internal Could, but not must, extend by the child Crypt_* class - */ - public function decrypt($ciphertext) - { - if ($this->paddable && strlen($ciphertext) % $this->block_size) { - throw new \LengthException('The ciphertext length (' . strlen($ciphertext) . ') needs to be a multiple of the block size (' . $this->block_size . ')'); - } - - if ($this->engine === self::ENGINE_OPENSSL) { - if ($this->changed) { - $this->clearBuffers(); - $this->changed = false; - } - switch ($this->mode) { - case self::MODE_STREAM: - $plaintext = openssl_decrypt($ciphertext, $this->cipher_name_openssl, $this->key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING); - break; - case self::MODE_ECB: - $plaintext = openssl_decrypt($ciphertext, $this->cipher_name_openssl, $this->key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING); - break; - case self::MODE_CBC: - $offset = $this->block_size; - $plaintext = openssl_decrypt($ciphertext, $this->cipher_name_openssl, $this->key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING, $this->decryptIV); - if ($this->continuousBuffer) { - $this->decryptIV = substr($ciphertext, -$offset, $this->block_size); - } - break; - case self::MODE_CTR: - $plaintext = $this->openssl_ctr_process($ciphertext, $this->decryptIV, $this->debuffer); - break; - case self::MODE_CFB: - // cfb loosely routines inspired by openssl's: - // {@link http://cvs.openssl.org/fileview?f=openssl/crypto/modes/cfb128.c&v=1.3.2.2.2.1} - $plaintext = ''; - if ($this->continuousBuffer) { - $iv = &$this->decryptIV; - $pos = &$this->buffer['pos']; - } else { - $iv = $this->decryptIV; - $pos = 0; - } - $len = strlen($ciphertext); - $i = 0; - if ($pos) { - $orig_pos = $pos; - $max = $this->block_size - $pos; - if ($len >= $max) { - $i = $max; - $len-= $max; - $pos = 0; - } else { - $i = $len; - $pos+= $len; - $len = 0; - } - // ie. $i = min($max, $len), $len-= $i, $pos+= $i, $pos%= $this->blocksize - $plaintext = substr($iv, $orig_pos) ^ $ciphertext; - $iv = substr_replace($iv, substr($ciphertext, 0, $i), $orig_pos, $i); - $ciphertext = substr($ciphertext, $i); - } - $overflow = $len % $this->block_size; - if ($overflow) { - $plaintext.= openssl_decrypt(substr($ciphertext, 0, -$overflow), $this->cipher_name_openssl, $this->key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING, $iv); - if ($len - $overflow) { - $iv = substr($ciphertext, -$overflow - $this->block_size, -$overflow); - } - $iv = openssl_encrypt(str_repeat("\0", $this->block_size), $this->cipher_name_openssl, $this->key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING, $iv); - $plaintext.= $iv ^ substr($ciphertext, -$overflow); - $iv = substr_replace($iv, substr($ciphertext, -$overflow), 0, $overflow); - $pos = $overflow; - } elseif ($len) { - $plaintext.= openssl_decrypt($ciphertext, $this->cipher_name_openssl, $this->key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING, $iv); - $iv = substr($ciphertext, -$this->block_size); - } - break; - case self::MODE_OFB: - $plaintext = $this->openssl_ofb_process($ciphertext, $this->decryptIV, $this->debuffer); - } - - return $this->paddable ? $this->unpad($plaintext) : $plaintext; - } - - if ($this->engine === self::ENGINE_MCRYPT) { - $block_size = $this->block_size; - if ($this->changed) { - $this->setupMcrypt(); - $this->changed = false; - } - if ($this->dechanged) { - @mcrypt_generic_init($this->demcrypt, $this->key, $this->getIV($this->decryptIV)); - $this->dechanged = false; - } - - if ($this->mode == self::MODE_CFB && $this->continuousBuffer) { - $iv = &$this->decryptIV; - $pos = &$this->debuffer['pos']; - $len = strlen($ciphertext); - $plaintext = ''; - $i = 0; - if ($pos) { - $orig_pos = $pos; - $max = $block_size - $pos; - if ($len >= $max) { - $i = $max; - $len-= $max; - $pos = 0; - } else { - $i = $len; - $pos+= $len; - $len = 0; - } - // ie. $i = min($max, $len), $len-= $i, $pos+= $i, $pos%= $blocksize - $plaintext = substr($iv, $orig_pos) ^ $ciphertext; - $iv = substr_replace($iv, substr($ciphertext, 0, $i), $orig_pos, $i); - } - if ($len >= $block_size) { - $cb = substr($ciphertext, $i, $len - $len % $block_size); - $plaintext.= @mcrypt_generic($this->ecb, $iv . $cb) ^ $cb; - $iv = substr($cb, -$block_size); - $len%= $block_size; - } - if ($len) { - $iv = @mcrypt_generic($this->ecb, $iv); - $plaintext.= $iv ^ substr($ciphertext, -$len); - $iv = substr_replace($iv, substr($ciphertext, -$len), 0, $len); - $pos = $len; - } - - return $plaintext; - } - - $plaintext = @mdecrypt_generic($this->demcrypt, $ciphertext); - - if (!$this->continuousBuffer) { - @mcrypt_generic_init($this->demcrypt, $this->key, $this->getIV($this->decryptIV)); - } - - return $this->paddable ? $this->unpad($plaintext) : $plaintext; - } - - if ($this->changed) { - $this->setup(); - $this->changed = false; - } - if ($this->engine === self::ENGINE_EVAL) { - $inline = $this->inline_crypt; - return $inline('decrypt', $ciphertext); - } - - $block_size = $this->block_size; - - $buffer = &$this->debuffer; - $plaintext = ''; - switch ($this->mode) { - case self::MODE_ECB: - for ($i = 0; $i < strlen($ciphertext); $i+=$block_size) { - $plaintext.= $this->decryptBlock(substr($ciphertext, $i, $block_size)); - } - break; - case self::MODE_CBC: - $xor = $this->decryptIV; - for ($i = 0; $i < strlen($ciphertext); $i+=$block_size) { - $block = substr($ciphertext, $i, $block_size); - $plaintext.= $this->decryptBlock($block) ^ $xor; - $xor = $block; - } - if ($this->continuousBuffer) { - $this->decryptIV = $xor; - } - break; - case self::MODE_CTR: - $xor = $this->decryptIV; - if (strlen($buffer['ciphertext'])) { - for ($i = 0; $i < strlen($ciphertext); $i+=$block_size) { - $block = substr($ciphertext, $i, $block_size); - if (strlen($block) > strlen($buffer['ciphertext'])) { - $buffer['ciphertext'].= $this->encryptBlock($xor); - } - $this->increment_str($xor); - $key = Strings::shift($buffer['ciphertext'], $block_size); - $plaintext.= $block ^ $key; - } - } else { - for ($i = 0; $i < strlen($ciphertext); $i+=$block_size) { - $block = substr($ciphertext, $i, $block_size); - $key = $this->encryptBlock($xor); - $this->increment_str($xor); - $plaintext.= $block ^ $key; - } - } - if ($this->continuousBuffer) { - $this->decryptIV = $xor; - if ($start = strlen($ciphertext) % $block_size) { - $buffer['ciphertext'] = substr($key, $start) . $buffer['ciphertext']; - } - } - break; - case self::MODE_CFB: - if ($this->continuousBuffer) { - $iv = &$this->decryptIV; - $pos = &$buffer['pos']; - } else { - $iv = $this->decryptIV; - $pos = 0; - } - $len = strlen($ciphertext); - $i = 0; - if ($pos) { - $orig_pos = $pos; - $max = $block_size - $pos; - if ($len >= $max) { - $i = $max; - $len-= $max; - $pos = 0; - } else { - $i = $len; - $pos+= $len; - $len = 0; - } - // ie. $i = min($max, $len), $len-= $i, $pos+= $i, $pos%= $blocksize - $plaintext = substr($iv, $orig_pos) ^ $ciphertext; - $iv = substr_replace($iv, substr($ciphertext, 0, $i), $orig_pos, $i); - } - while ($len >= $block_size) { - $iv = $this->encryptBlock($iv); - $cb = substr($ciphertext, $i, $block_size); - $plaintext.= $iv ^ $cb; - $iv = $cb; - $len-= $block_size; - $i+= $block_size; - } - if ($len) { - $iv = $this->encryptBlock($iv); - $plaintext.= $iv ^ substr($ciphertext, $i); - $iv = substr_replace($iv, substr($ciphertext, $i), 0, $len); - $pos = $len; - } - break; - case self::MODE_OFB: - $xor = $this->decryptIV; - if (strlen($buffer['xor'])) { - for ($i = 0; $i < strlen($ciphertext); $i+=$block_size) { - $block = substr($ciphertext, $i, $block_size); - if (strlen($block) > strlen($buffer['xor'])) { - $xor = $this->encryptBlock($xor); - $buffer['xor'].= $xor; - } - $key = Strings::shift($buffer['xor'], $block_size); - $plaintext.= $block ^ $key; - } - } else { - for ($i = 0; $i < strlen($ciphertext); $i+=$block_size) { - $xor = $this->encryptBlock($xor); - $plaintext.= substr($ciphertext, $i, $block_size) ^ $xor; - } - $key = $xor; - } - if ($this->continuousBuffer) { - $this->decryptIV = $xor; - if ($start = strlen($ciphertext) % $block_size) { - $buffer['xor'] = substr($key, $start) . $buffer['xor']; - } - } - break; - case self::MODE_STREAM: - $plaintext = $this->decryptBlock($ciphertext); - break; - } - return $this->paddable ? $this->unpad($plaintext) : $plaintext; - } - - /** - * Get the IV - * - * mcrypt requires an IV even if ECB is used - * - * @see self::encrypt() - * @see self::decrypt() - * @param string $iv - * @return string - * @access private - */ - public function getIV($iv) - { - return $this->mode == self::MODE_ECB ? str_repeat("\0", $this->block_size) : $iv; - } - - /** - * OpenSSL CTR Processor - * - * PHP's OpenSSL bindings do not operate in continuous mode so we'll wrap around it. Since the keystream - * for CTR is the same for both encrypting and decrypting this function is re-used by both SymmetricKey::encrypt() - * and SymmetricKey::decrypt(). Also, OpenSSL doesn't implement CTR for all of it's symmetric ciphers so this - * function will emulate CTR with ECB when necesary. - * - * @see self::encrypt() - * @see self::decrypt() - * @param string $plaintext - * @param string $encryptIV - * @param array $buffer - * @return string - * @access private - */ - private function openssl_ctr_process($plaintext, &$encryptIV, &$buffer) - { - $ciphertext = ''; - - $block_size = $this->block_size; - $key = $this->key; - - if ($this->openssl_emulate_ctr) { - $xor = $encryptIV; - if (strlen($buffer['ciphertext'])) { - for ($i = 0; $i < strlen($plaintext); $i+=$block_size) { - $block = substr($plaintext, $i, $block_size); - if (strlen($block) > strlen($buffer['ciphertext'])) { - $buffer['ciphertext'].= openssl_encrypt($xor, $this->cipher_name_openssl_ecb, $key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING); - } - $this->increment_str($xor); - $otp = Strings::shift($buffer['ciphertext'], $block_size); - $ciphertext.= $block ^ $otp; - } - } else { - for ($i = 0; $i < strlen($plaintext); $i+=$block_size) { - $block = substr($plaintext, $i, $block_size); - $otp = openssl_encrypt($xor, $this->cipher_name_openssl_ecb, $key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING); - $this->increment_str($xor); - $ciphertext.= $block ^ $otp; - } - } - if ($this->continuousBuffer) { - $encryptIV = $xor; - if ($start = strlen($plaintext) % $block_size) { - $buffer['ciphertext'] = substr($key, $start) . $buffer['ciphertext']; - } - } - - return $ciphertext; - } - - if (strlen($buffer['ciphertext'])) { - $ciphertext = $plaintext ^ Strings::shift($buffer['ciphertext'], strlen($plaintext)); - $plaintext = substr($plaintext, strlen($ciphertext)); - - if (!strlen($plaintext)) { - return $ciphertext; - } - } - - $overflow = strlen($plaintext) % $block_size; - if ($overflow) { - $plaintext2 = Strings::pop($plaintext, $overflow); // ie. trim $plaintext to a multiple of $block_size and put rest of $plaintext in $plaintext2 - $encrypted = openssl_encrypt($plaintext . str_repeat("\0", $block_size), $this->cipher_name_openssl, $key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING, $encryptIV); - $temp = Strings::pop($encrypted, $block_size); - $ciphertext.= $encrypted . ($plaintext2 ^ $temp); - if ($this->continuousBuffer) { - $buffer['ciphertext'] = substr($temp, $overflow); - $encryptIV = $temp; - } - } elseif (!strlen($buffer['ciphertext'])) { - $ciphertext.= openssl_encrypt($plaintext . str_repeat("\0", $block_size), $this->cipher_name_openssl, $key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING, $encryptIV); - $temp = Strings::pop($ciphertext, $block_size); - if ($this->continuousBuffer) { - $encryptIV = $temp; - } - } - if ($this->continuousBuffer) { - $encryptIV = openssl_decrypt($encryptIV, $this->cipher_name_openssl_ecb, $key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING); - if ($overflow) { - $this->increment_str($encryptIV); - } - } - - return $ciphertext; - } - - /** - * OpenSSL OFB Processor - * - * PHP's OpenSSL bindings do not operate in continuous mode so we'll wrap around it. Since the keystream - * for OFB is the same for both encrypting and decrypting this function is re-used by both SymmetricKey::encrypt() - * and SymmetricKey::decrypt(). - * - * @see self::encrypt() - * @see self::decrypt() - * @param string $plaintext - * @param string $encryptIV - * @param array $buffer - * @return string - * @access private - */ - private function openssl_ofb_process($plaintext, &$encryptIV, &$buffer) - { - if (strlen($buffer['xor'])) { - $ciphertext = $plaintext ^ $buffer['xor']; - $buffer['xor'] = substr($buffer['xor'], strlen($ciphertext)); - $plaintext = substr($plaintext, strlen($ciphertext)); - } else { - $ciphertext = ''; - } - - $block_size = $this->block_size; - - $len = strlen($plaintext); - $key = $this->key; - $overflow = $len % $block_size; - - if (strlen($plaintext)) { - if ($overflow) { - $ciphertext.= openssl_encrypt(substr($plaintext, 0, -$overflow) . str_repeat("\0", $block_size), $this->cipher_name_openssl, $key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING, $encryptIV); - $xor = Strings::pop($ciphertext, $block_size); - if ($this->continuousBuffer) { - $encryptIV = $xor; - } - $ciphertext.= Strings::shift($xor, $overflow) ^ substr($plaintext, -$overflow); - if ($this->continuousBuffer) { - $buffer['xor'] = $xor; - } - } else { - $ciphertext = openssl_encrypt($plaintext, $this->cipher_name_openssl, $key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING, $encryptIV); - if ($this->continuousBuffer) { - $encryptIV = substr($ciphertext, -$block_size) ^ substr($plaintext, -$block_size); - } - } - } - - return $ciphertext; - } - - /** - * phpseclib <-> OpenSSL Mode Mapper - * - * May need to be overwritten by classes extending this one in some cases - * - * @return int - * @access private - */ - protected function openssl_translate_mode() - { - switch ($this->mode) { - case self::MODE_ECB: - return 'ecb'; - case self::MODE_CBC: - return 'cbc'; - case self::MODE_CTR: - return 'ctr'; - case self::MODE_CFB: - return 'cfb'; - case self::MODE_OFB: - return 'ofb'; - } - } - - /** - * Pad "packets". - * - * Block ciphers working by encrypting between their specified [$this->]block_size at a time - * If you ever need to encrypt or decrypt something that isn't of the proper length, it becomes necessary to - * pad the input so that it is of the proper length. - * - * Padding is enabled by default. Sometimes, however, it is undesirable to pad strings. Such is the case in SSH, - * where "packets" are padded with random bytes before being encrypted. Unpad these packets and you risk stripping - * away characters that shouldn't be stripped away. (SSH knows how many bytes are added because the length is - * transmitted separately) - * - * @see self::disablePadding() - * @access public - */ - public function enablePadding() - { - $this->padding = true; - } - - /** - * Do not pad packets. - * - * @see self::enablePadding() - * @access public - */ - public function disablePadding() - { - $this->padding = false; - } - - /** - * Treat consecutive "packets" as if they are a continuous buffer. - * - * Say you have a 32-byte plaintext $plaintext. Using the default behavior, the two following code snippets - * will yield different outputs: - * - * - * echo $rijndael->encrypt(substr($plaintext, 0, 16)); - * echo $rijndael->encrypt(substr($plaintext, 16, 16)); - * - * - * echo $rijndael->encrypt($plaintext); - * - * - * The solution is to enable the continuous buffer. Although this will resolve the above discrepancy, it creates - * another, as demonstrated with the following: - * - * - * $rijndael->encrypt(substr($plaintext, 0, 16)); - * echo $rijndael->decrypt($rijndael->encrypt(substr($plaintext, 16, 16))); - * - * - * echo $rijndael->decrypt($rijndael->encrypt(substr($plaintext, 16, 16))); - * - * - * With the continuous buffer disabled, these would yield the same output. With it enabled, they yield different - * outputs. The reason is due to the fact that the initialization vector's change after every encryption / - * decryption round when the continuous buffer is enabled. When it's disabled, they remain constant. - * - * Put another way, when the continuous buffer is enabled, the state of the \phpseclib\Crypt\*() object changes after each - * encryption / decryption round, whereas otherwise, it'd remain constant. For this reason, it's recommended that - * continuous buffers not be used. They do offer better security and are, in fact, sometimes required (SSH uses them), - * however, they are also less intuitive and more likely to cause you problems. - * - * @see self::disableContinuousBuffer() - * @access public - * @internal Could, but not must, extend by the child Crypt_* class - */ - public function enableContinuousBuffer() - { - if ($this->mode == self::MODE_ECB) { - return; - } - - $this->continuousBuffer = true; - - $this->setEngine(); - } - - /** - * Treat consecutive packets as if they are a discontinuous buffer. - * - * The default behavior. - * - * @see self::enableContinuousBuffer() - * @access public - * @internal Could, but not must, extend by the child Crypt_* class - */ - public function disableContinuousBuffer() - { - if ($this->mode == self::MODE_ECB) { - return; - } - if (!$this->continuousBuffer) { - return; - } - - $this->continuousBuffer = false; - $this->changed = true; - - $this->setEngine(); - } - - /** - * Test for engine validity - * - * @see self::__construct() - * @param int $engine - * @access public - * @return bool - */ - public function isValidEngine($engine) - { - switch ($engine) { - case self::ENGINE_OPENSSL: - if ($this->mode == self::MODE_STREAM && $this->continuousBuffer) { - return false; - } - $this->openssl_emulate_ctr = false; - $result = $this->cipher_name_openssl && - extension_loaded('openssl'); - if (!$result) { - return false; - } - - $methods = openssl_get_cipher_methods(); - if (in_array($this->cipher_name_openssl, $methods)) { - return true; - } - // not all of openssl's symmetric cipher's support ctr. for those - // that don't we'll emulate it - switch ($this->mode) { - case self::MODE_CTR: - if (in_array($this->cipher_name_openssl_ecb, $methods)) { - $this->openssl_emulate_ctr = true; - return true; - } - } - return false; - case self::ENGINE_MCRYPT: - return $this->cipher_name_mcrypt && - extension_loaded('mcrypt') && - in_array($this->cipher_name_mcrypt, @mcrypt_list_algorithms()); - case self::ENGINE_EVAL: - return method_exists($this, 'setupInlineCrypt'); - case self::ENGINE_INTERNAL: - return true; - } - - return false; - } - - /** - * Sets the preferred crypt engine - * - * Currently, $engine could be: - * - * - \phpseclib\Crypt\Common\SymmetricKey::ENGINE_OPENSSL [very fast] - * - * - \phpseclib\Crypt\Common\SymmetricKey::ENGINE_MCRYPT [fast] - * - * - \phpseclib\Crypt\Common\SymmetricKey::ENGINE_EVAL [slow] - * - * - \phpseclib\Crypt\Common\SymmetricKey::ENGINE_INTERNAL [slowest] - * - * If the preferred crypt engine is not available the fastest available one will be used - * - * @see self::__construct() - * @param int $engine - * @access public - */ - public function setPreferredEngine($engine) - { - switch ($engine) { - //case self::ENGINE_OPENSSL; - case self::ENGINE_MCRYPT: - case self::ENGINE_INTERNAL: - case self::ENGINE_EVAL: - $this->preferredEngine = $engine; - break; - default: - $this->preferredEngine = self::ENGINE_OPENSSL; - } - - $this->setEngine(); - } - - /** - * Returns the engine currently being utilized - * - * @see self::setEngine() - * @access public - */ - public function getEngine() - { - return $this->engine; - } - - /** - * Sets the engine as appropriate - * - * @see self::__construct() - * @access private - */ - protected function setEngine() - { - $this->engine = null; - - $candidateEngines = array( - $this->preferredEngine, - //self::ENGINE_OPENSSL, // php 5.4+ can use this option. - self::ENGINE_MCRYPT, - //self::ENGINE_EVAL // php 5.3+ can use this option. - ); - foreach ($candidateEngines as $engine) { - if ($this->isValidEngine($engine)) { - $this->engine = $engine; - break; - } - } - if (!$this->engine) { - $this->engine = self::ENGINE_INTERNAL; - } - - if ($this->engine != self::ENGINE_MCRYPT && $this->enmcrypt) { - // Closing the current mcrypt resource(s). _mcryptSetup() will, if needed, - // (re)open them with the module named in $this->cipher_name_mcrypt - @mcrypt_module_close($this->enmcrypt); - @mcrypt_module_close($this->demcrypt); - $this->enmcrypt = null; - $this->demcrypt = null; - - if ($this->ecb) { - @mcrypt_module_close($this->ecb); - $this->ecb = null; - } - } - - $this->changed = true; - } - - /** - * Encrypts a block - * - * Note: Must be extended by the child \phpseclib\Crypt\* class - * - * @access private - * @param string $in - * @return string - */ - abstract protected function encryptBlock($in); - - /** - * Decrypts a block - * - * Note: Must be extended by the child \phpseclib\Crypt\* class - * - * @access private - * @param string $in - * @return string - */ - abstract protected function decryptBlock($in); - - /** - * Setup the key (expansion) - * - * Only used if $engine == self::ENGINE_INTERNAL - * - * Note: Must extend by the child \phpseclib\Crypt\* class - * - * @see self::setup() - * @access private - */ - abstract protected function setupKey(); - - /** - * Setup the self::ENGINE_INTERNAL $engine - * - * (re)init, if necessary, the internal cipher $engine and flush all $buffers - * Used (only) if $engine == self::ENGINE_INTERNAL - * - * _setup() will be called each time if $changed === true - * typically this happens when using one or more of following public methods: - * - * - setKey() - * - * - setIV() - * - * - disableContinuousBuffer() - * - * - First run of encrypt() / decrypt() with no init-settings - * - * @see self::setKey() - * @see self::setIV() - * @see self::disableContinuousBuffer() - * @access private - * @internal setup() is always called before en/decryption. - * @internal Could, but not must, extend by the child Crypt_* class - */ - protected function setup() - { - $this->clearBuffers(); - $this->setupKey(); - - if ($this->engine === self::ENGINE_EVAL) { - $this->setupInlineCrypt(); - } - } - - /** - * Setup the self::ENGINE_MCRYPT $engine - * - * (re)init, if necessary, the (ext)mcrypt resources and flush all $buffers - * Used (only) if $engine = self::ENGINE_MCRYPT - * - * _setupMcrypt() will be called each time if $changed === true - * typically this happens when using one or more of following public methods: - * - * - setKey() - * - * - setIV() - * - * - disableContinuousBuffer() - * - * - First run of encrypt() / decrypt() - * - * @see self::setKey() - * @see self::setIV() - * @see self::disableContinuousBuffer() - * @access private - * @internal Could, but not must, extend by the child Crypt_* class - */ - private function setupMcrypt() - { - $this->clearBuffers(); - $this->enchanged = $this->dechanged = true; - - if (!isset($this->enmcrypt)) { - static $mcrypt_modes = array( - self::MODE_CTR => 'ctr', - self::MODE_ECB => MCRYPT_MODE_ECB, - self::MODE_CBC => MCRYPT_MODE_CBC, - self::MODE_CFB => 'ncfb', - self::MODE_OFB => MCRYPT_MODE_NOFB, - self::MODE_STREAM => MCRYPT_MODE_STREAM, - ); - - $this->demcrypt = @mcrypt_module_open($this->cipher_name_mcrypt, '', $mcrypt_modes[$this->mode], ''); - $this->enmcrypt = @mcrypt_module_open($this->cipher_name_mcrypt, '', $mcrypt_modes[$this->mode], ''); - - // we need the $ecb mcrypt resource (only) in MODE_CFB with enableContinuousBuffer() - // to workaround mcrypt's broken ncfb implementation in buffered mode - // see: {@link http://phpseclib.sourceforge.net/cfb-demo.phps} - if ($this->mode == self::MODE_CFB) { - $this->ecb = @mcrypt_module_open($this->cipher_name_mcrypt, '', MCRYPT_MODE_ECB, ''); - } - } // else should mcrypt_generic_deinit be called? - - if ($this->mode == self::MODE_CFB) { - @mcrypt_generic_init($this->ecb, $this->key, str_repeat("\0", $this->block_size)); - } - } - - /** - * Pads a string - * - * Pads a string using the RSA PKCS padding standards so that its length is a multiple of the blocksize. - * $this->block_size - (strlen($text) % $this->block_size) bytes are added, each of which is equal to - * chr($this->block_size - (strlen($text) % $this->block_size) - * - * If padding is disabled and $text is not a multiple of the blocksize, the string will be padded regardless - * and padding will, hence forth, be enabled. - * - * @see self::unpad() - * @param string $text - * @throws \LengthException if padding is disabled and the plaintext's length is not a multiple of the block size - * @access private - * @return string - */ - protected function pad($text) - { - $length = strlen($text); - - if (!$this->padding) { - if ($length % $this->block_size == 0) { - return $text; - } else { - throw new \LengthException("The plaintext's length ($length) is not a multiple of the block size ({$this->block_size}). Try enabling padding."); - } - } - - $pad = $this->block_size - ($length % $this->block_size); - - return str_pad($text, $length + $pad, chr($pad)); - } - - /** - * Unpads a string. - * - * If padding is enabled and the reported padding length is invalid the encryption key will be assumed to be wrong - * and false will be returned. - * - * @see self::pad() - * @param string $text - * @throws \LengthException if the ciphertext's length is not a multiple of the block size - * @access private - * @return string - */ - protected function unpad($text) - { - if (!$this->padding) { - return $text; - } - - $length = ord($text[strlen($text) - 1]); - - if (!$length || $length > $this->block_size) { - throw new \LengthException("The ciphertext has an invalid padding length ($length) compared to the block size ({$this->block_size})"); - } - - return substr($text, 0, -$length); - } - - /** - * Clears internal buffers - * - * Clearing/resetting the internal buffers is done everytime - * after disableContinuousBuffer() or on cipher $engine (re)init - * ie after setKey() or setIV() - * - * @access private - * @internal Could, but not must, extend by the child Crypt_* class - * @throws \UnexpectedValueException when an IV is required but not defined - */ - private function clearBuffers() - { - $this->enbuffer = $this->debuffer = array('ciphertext' => '', 'xor' => '', 'pos' => 0, 'enmcrypt_init' => true); - - if ($this->iv === false && !in_array($this->mode, array(self::MODE_STREAM, self::MODE_ECB))) { - throw new \UnexpectedValueException('No IV has been defined'); - } - - $this->encryptIV = $this->decryptIV = $this->iv; - } - - /** - * Increment the current string - * - * @see self::decrypt() - * @see self::encrypt() - * @param string $var - * @access private - */ - protected function increment_str(&$var) - { - for ($i = 4; $i <= strlen($var); $i+= 4) { - $temp = substr($var, -$i, 4); - switch ($temp) { - case "\xFF\xFF\xFF\xFF": - $var = substr_replace($var, "\x00\x00\x00\x00", -$i, 4); - break; - case "\x7F\xFF\xFF\xFF": - $var = substr_replace($var, "\x80\x00\x00\x00", -$i, 4); - return; - default: - $temp = unpack('Nnum', $temp); - $var = substr_replace($var, pack('N', $temp['num'] + 1), -$i, 4); - return; - } - } - - $remainder = strlen($var) % 4; - - if ($remainder == 0) { - return; - } - - $temp = unpack('Nnum', str_pad(substr($var, 0, $remainder), 4, "\0", STR_PAD_LEFT)); - $temp = substr(pack('N', $temp['num'] + 1), -$remainder); - $var = substr_replace($var, $temp, 0, $remainder); - } - - /** - * Setup the performance-optimized function for de/encrypt() - * - * Stores the created (or existing) callback function-name - * in $this->inline_crypt - * - * Internally for phpseclib developers: - * - * _setupInlineCrypt() would be called only if: - * - * - $this->engine === self::ENGINE_EVAL - * - * - each time on _setup(), after(!) _setupKey() - * - * - * This ensures that _setupInlineCrypt() has always a - * full ready2go initializated internal cipher $engine state - * where, for example, the keys allready expanded, - * keys/block_size calculated and such. - * - * It is, each time if called, the responsibility of _setupInlineCrypt(): - * - * - to set $this->inline_crypt to a valid and fully working callback function - * as a (faster) replacement for encrypt() / decrypt() - * - * - NOT to create unlimited callback functions (for memory reasons!) - * no matter how often _setupInlineCrypt() would be called. At some - * point of amount they must be generic re-useable. - * - * - the code of _setupInlineCrypt() it self, - * and the generated callback code, - * must be, in following order: - * - 100% safe - * - 100% compatible to encrypt()/decrypt() - * - using only php5+ features/lang-constructs/php-extensions if - * compatibility (down to php4) or fallback is provided - * - readable/maintainable/understandable/commented and... not-cryptic-styled-code :-) - * - >= 10% faster than encrypt()/decrypt() [which is, by the way, - * the reason for the existence of _setupInlineCrypt() :-)] - * - memory-nice - * - short (as good as possible) - * - * Note: - _setupInlineCrypt() is using _createInlineCryptFunction() to create the full callback function code. - * - In case of using inline crypting, _setupInlineCrypt() must extend by the child \phpseclib\Crypt\* class. - * - The following variable names are reserved: - * - $_* (all variable names prefixed with an underscore) - * - $self (object reference to it self. Do not use $this, but $self instead) - * - $in (the content of $in has to en/decrypt by the generated code) - * - The callback function should not use the 'return' statement, but en/decrypt'ing the content of $in only - * - * - * @see self::setup() - * @see self::createInlineCryptFunction() - * @see self::encrypt() - * @see self::decrypt() - * @access private - * @internal If a Crypt_* class providing inline crypting it must extend _setupInlineCrypt() - */ - //protected function setupInlineCrypt(); - - /** - * Creates the performance-optimized function for en/decrypt() - * - * Internally for phpseclib developers: - * - * _createInlineCryptFunction(): - * - * - merge the $cipher_code [setup'ed by _setupInlineCrypt()] - * with the current [$this->]mode of operation code - * - * - create the $inline function, which called by encrypt() / decrypt() - * as its replacement to speed up the en/decryption operations. - * - * - return the name of the created $inline callback function - * - * - used to speed up en/decryption - * - * - * - * The main reason why can speed up things [up to 50%] this way are: - * - * - using variables more effective then regular. - * (ie no use of expensive arrays but integers $k_0, $k_1 ... - * or even, for example, the pure $key[] values hardcoded) - * - * - avoiding 1000's of function calls of ie _encryptBlock() - * but inlining the crypt operations. - * in the mode of operation for() loop. - * - * - full loop unroll the (sometimes key-dependent) rounds - * avoiding this way ++$i counters and runtime-if's etc... - * - * The basic code architectur of the generated $inline en/decrypt() - * lambda function, in pseudo php, is: - * - * - * +----------------------------------------------------------------------------------------------+ - * | callback $inline = create_function: | - * | lambda_function_0001_crypt_ECB($action, $text) | - * | { | - * | INSERT PHP CODE OF: | - * | $cipher_code['init_crypt']; // general init code. | - * | // ie: $sbox'es declarations used for | - * | // encrypt and decrypt'ing. | - * | | - * | switch ($action) { | - * | case 'encrypt': | - * | INSERT PHP CODE OF: | - * | $cipher_code['init_encrypt']; // encrypt sepcific init code. | - * | ie: specified $key or $box | - * | declarations for encrypt'ing. | - * | | - * | foreach ($ciphertext) { | - * | $in = $block_size of $ciphertext; | - * | | - * | INSERT PHP CODE OF: | - * | $cipher_code['encrypt_block']; // encrypt's (string) $in, which is always: | - * | // strlen($in) == $this->block_size | - * | // here comes the cipher algorithm in action | - * | // for encryption. | - * | // $cipher_code['encrypt_block'] has to | - * | // encrypt the content of the $in variable | - * | | - * | $plaintext .= $in; | - * | } | - * | return $plaintext; | - * | | - * | case 'decrypt': | - * | INSERT PHP CODE OF: | - * | $cipher_code['init_decrypt']; // decrypt sepcific init code | - * | ie: specified $key or $box | - * | declarations for decrypt'ing. | - * | foreach ($plaintext) { | - * | $in = $block_size of $plaintext; | - * | | - * | INSERT PHP CODE OF: | - * | $cipher_code['decrypt_block']; // decrypt's (string) $in, which is always | - * | // strlen($in) == $this->block_size | - * | // here comes the cipher algorithm in action | - * | // for decryption. | - * | // $cipher_code['decrypt_block'] has to | - * | // decrypt the content of the $in variable | - * | $ciphertext .= $in; | - * | } | - * | return $ciphertext; | - * | } | - * | } | - * +----------------------------------------------------------------------------------------------+ - * - * - * See also the \phpseclib\Crypt\*::_setupInlineCrypt()'s for - * productive inline $cipher_code's how they works. - * - * Structure of: - * - * $cipher_code = [ - * 'init_crypt' => (string) '', // optional - * 'init_encrypt' => (string) '', // optional - * 'init_decrypt' => (string) '', // optional - * 'encrypt_block' => (string) '', // required - * 'decrypt_block' => (string) '' // required - * ]; - * - * - * @see self::setupInlineCrypt() - * @see self::encrypt() - * @see self::decrypt() - * @param array $cipher_code - * @access private - * @return string (the name of the created callback function) - */ - protected function createInlineCryptFunction($cipher_code) - { - $block_size = $this->block_size; - - // optional - $init_crypt = isset($cipher_code['init_crypt']) ? $cipher_code['init_crypt'] : ''; - $init_encrypt = isset($cipher_code['init_encrypt']) ? $cipher_code['init_encrypt'] : ''; - $init_decrypt = isset($cipher_code['init_decrypt']) ? $cipher_code['init_decrypt'] : ''; - // required - $encrypt_block = $cipher_code['encrypt_block']; - $decrypt_block = $cipher_code['decrypt_block']; - - // Generating mode of operation inline code, - // merged with the $cipher_code algorithm - // for encrypt- and decryption. - switch ($this->mode) { - case self::MODE_ECB: - $encrypt = $init_encrypt . ' - $_ciphertext = ""; - $_plaintext_len = strlen($_text); - - for ($_i = 0; $_i < $_plaintext_len; $_i+= '.$block_size.') { - $in = substr($_text, $_i, '.$block_size.'); - '.$encrypt_block.' - $_ciphertext.= $in; - } - - return $_ciphertext; - '; - - $decrypt = $init_decrypt . ' - $_plaintext = ""; - $_text = str_pad($_text, strlen($_text) + ('.$block_size.' - strlen($_text) % '.$block_size.') % '.$block_size.', chr(0)); - $_ciphertext_len = strlen($_text); - - for ($_i = 0; $_i < $_ciphertext_len; $_i+= '.$block_size.') { - $in = substr($_text, $_i, '.$block_size.'); - '.$decrypt_block.' - $_plaintext.= $in; - } - - return $this->unpad($_plaintext); - '; - break; - case self::MODE_CTR: - $encrypt = $init_encrypt . ' - $_ciphertext = ""; - $_plaintext_len = strlen($_text); - $_xor = $this->encryptIV; - $_buffer = &$this->enbuffer; - if (strlen($_buffer["ciphertext"])) { - for ($_i = 0; $_i < $_plaintext_len; $_i+= '.$block_size.') { - $_block = substr($_text, $_i, '.$block_size.'); - if (strlen($_block) > strlen($_buffer["ciphertext"])) { - $in = $_xor; - '.$encrypt_block.' - $this->increment_str($_xor); - $_buffer["ciphertext"].= $in; - } - $_key = \phpseclib\Common\Functions\Strings::shift($_buffer["ciphertext"], '.$block_size.'); - $_ciphertext.= $_block ^ $_key; - } - } else { - for ($_i = 0; $_i < $_plaintext_len; $_i+= '.$block_size.') { - $_block = substr($_text, $_i, '.$block_size.'); - $in = $_xor; - '.$encrypt_block.' - $this->increment_str($_xor); - $_key = $in; - $_ciphertext.= $_block ^ $_key; - } - } - if ($this->continuousBuffer) { - $this->encryptIV = $_xor; - if ($_start = $_plaintext_len % '.$block_size.') { - $_buffer["ciphertext"] = substr($_key, $_start) . $_buffer["ciphertext"]; - } - } - - return $_ciphertext; - '; - - $decrypt = $init_encrypt . ' - $_plaintext = ""; - $_ciphertext_len = strlen($_text); - $_xor = $this->decryptIV; - $_buffer = &$this->debuffer; - - if (strlen($_buffer["ciphertext"])) { - for ($_i = 0; $_i < $_ciphertext_len; $_i+= '.$block_size.') { - $_block = substr($_text, $_i, '.$block_size.'); - if (strlen($_block) > strlen($_buffer["ciphertext"])) { - $in = $_xor; - '.$encrypt_block.' - $this->increment_str($_xor); - $_buffer["ciphertext"].= $in; - } - $_key = \phpseclib\Common\Functions\Strings::shift($_buffer["ciphertext"], '.$block_size.'); - $_plaintext.= $_block ^ $_key; - } - } else { - for ($_i = 0; $_i < $_ciphertext_len; $_i+= '.$block_size.') { - $_block = substr($_text, $_i, '.$block_size.'); - $in = $_xor; - '.$encrypt_block.' - $this->increment_str($_xor); - $_key = $in; - $_plaintext.= $_block ^ $_key; - } - } - if ($this->continuousBuffer) { - $this->decryptIV = $_xor; - if ($_start = $_ciphertext_len % '.$block_size.') { - $_buffer["ciphertext"] = substr($_key, $_start) . $_buffer["ciphertext"]; - } - } - - return $_plaintext; - '; - break; - case self::MODE_CFB: - $encrypt = $init_encrypt . ' - $_ciphertext = ""; - $_buffer = &$this->enbuffer; - - if ($this->continuousBuffer) { - $_iv = &$this->encryptIV; - $_pos = &$_buffer["pos"]; - } else { - $_iv = $this->encryptIV; - $_pos = 0; - } - $_len = strlen($_text); - $_i = 0; - if ($_pos) { - $_orig_pos = $_pos; - $_max = '.$block_size.' - $_pos; - if ($_len >= $_max) { - $_i = $_max; - $_len-= $_max; - $_pos = 0; - } else { - $_i = $_len; - $_pos+= $_len; - $_len = 0; - } - $_ciphertext = substr($_iv, $_orig_pos) ^ $_text; - $_iv = substr_replace($_iv, $_ciphertext, $_orig_pos, $_i); - } - while ($_len >= '.$block_size.') { - $in = $_iv; - '.$encrypt_block.'; - $_iv = $in ^ substr($_text, $_i, '.$block_size.'); - $_ciphertext.= $_iv; - $_len-= '.$block_size.'; - $_i+= '.$block_size.'; - } - if ($_len) { - $in = $_iv; - '.$encrypt_block.' - $_iv = $in; - $_block = $_iv ^ substr($_text, $_i); - $_iv = substr_replace($_iv, $_block, 0, $_len); - $_ciphertext.= $_block; - $_pos = $_len; - } - return $_ciphertext; - '; - - $decrypt = $init_encrypt . ' - $_plaintext = ""; - $_buffer = &$this->debuffer; - - if ($this->continuousBuffer) { - $_iv = &$this->decryptIV; - $_pos = &$_buffer["pos"]; - } else { - $_iv = $this->decryptIV; - $_pos = 0; - } - $_len = strlen($_text); - $_i = 0; - if ($_pos) { - $_orig_pos = $_pos; - $_max = '.$block_size.' - $_pos; - if ($_len >= $_max) { - $_i = $_max; - $_len-= $_max; - $_pos = 0; - } else { - $_i = $_len; - $_pos+= $_len; - $_len = 0; - } - $_plaintext = substr($_iv, $_orig_pos) ^ $_text; - $_iv = substr_replace($_iv, substr($_text, 0, $_i), $_orig_pos, $_i); - } - while ($_len >= '.$block_size.') { - $in = $_iv; - '.$encrypt_block.' - $_iv = $in; - $cb = substr($_text, $_i, '.$block_size.'); - $_plaintext.= $_iv ^ $cb; - $_iv = $cb; - $_len-= '.$block_size.'; - $_i+= '.$block_size.'; - } - if ($_len) { - $in = $_iv; - '.$encrypt_block.' - $_iv = $in; - $_plaintext.= $_iv ^ substr($_text, $_i); - $_iv = substr_replace($_iv, substr($_text, $_i), 0, $_len); - $_pos = $_len; - } - - return $_plaintext; - '; - break; - case self::MODE_OFB: - $encrypt = $init_encrypt . ' - $_ciphertext = ""; - $_plaintext_len = strlen($_text); - $_xor = $this->encryptIV; - $_buffer = &$this->enbuffer; - - if (strlen($_buffer["xor"])) { - for ($_i = 0; $_i < $_plaintext_len; $_i+= '.$block_size.') { - $_block = substr($_text, $_i, '.$block_size.'); - if (strlen($_block) > strlen($_buffer["xor"])) { - $in = $_xor; - '.$encrypt_block.' - $_xor = $in; - $_buffer["xor"].= $_xor; - } - $_key = \phpseclib\Common\Functions\Strings::shift($_buffer["xor"], '.$block_size.'); - $_ciphertext.= $_block ^ $_key; - } - } else { - for ($_i = 0; $_i < $_plaintext_len; $_i+= '.$block_size.') { - $in = $_xor; - '.$encrypt_block.' - $_xor = $in; - $_ciphertext.= substr($_text, $_i, '.$block_size.') ^ $_xor; - } - $_key = $_xor; - } - if ($this->continuousBuffer) { - $this->encryptIV = $_xor; - if ($_start = $_plaintext_len % '.$block_size.') { - $_buffer["xor"] = substr($_key, $_start) . $_buffer["xor"]; - } - } - return $_ciphertext; - '; - - $decrypt = $init_encrypt . ' - $_plaintext = ""; - $_ciphertext_len = strlen($_text); - $_xor = $this->decryptIV; - $_buffer = &$this->debuffer; - - if (strlen($_buffer["xor"])) { - for ($_i = 0; $_i < $_ciphertext_len; $_i+= '.$block_size.') { - $_block = substr($_text, $_i, '.$block_size.'); - if (strlen($_block) > strlen($_buffer["xor"])) { - $in = $_xor; - '.$encrypt_block.' - $_xor = $in; - $_buffer["xor"].= $_xor; - } - $_key = \phpseclib\Common\Functions\Strings::shift($_buffer["xor"], '.$block_size.'); - $_plaintext.= $_block ^ $_key; - } - } else { - for ($_i = 0; $_i < $_ciphertext_len; $_i+= '.$block_size.') { - $in = $_xor; - '.$encrypt_block.' - $_xor = $in; - $_plaintext.= substr($_text, $_i, '.$block_size.') ^ $_xor; - } - $_key = $_xor; - } - if ($this->continuousBuffer) { - $this->decryptIV = $_xor; - if ($_start = $_ciphertext_len % '.$block_size.') { - $_buffer["xor"] = substr($_key, $_start) . $_buffer["xor"]; - } - } - return $_plaintext; - '; - break; - case self::MODE_STREAM: - $encrypt = $init_encrypt . ' - $_ciphertext = ""; - '.$encrypt_block.' - return $_ciphertext; - '; - $decrypt = $init_decrypt . ' - $_plaintext = ""; - '.$decrypt_block.' - return $_plaintext; - '; - break; - // case self::MODE_CBC: - default: - $encrypt = $init_encrypt . ' - $_ciphertext = ""; - $_plaintext_len = strlen($_text); - - $in = $this->encryptIV; - - for ($_i = 0; $_i < $_plaintext_len; $_i+= '.$block_size.') { - $in = substr($_text, $_i, '.$block_size.') ^ $in; - '.$encrypt_block.' - $_ciphertext.= $in; - } - - if ($this->continuousBuffer) { - $this->encryptIV = $in; - } - - return $_ciphertext; - '; - - $decrypt = $init_decrypt . ' - $_plaintext = ""; - $_text = str_pad($_text, strlen($_text) + ('.$block_size.' - strlen($_text) % '.$block_size.') % '.$block_size.', chr(0)); - $_ciphertext_len = strlen($_text); - - $_iv = $this->decryptIV; - - for ($_i = 0; $_i < $_ciphertext_len; $_i+= '.$block_size.') { - $in = $_block = substr($_text, $_i, '.$block_size.'); - '.$decrypt_block.' - $_plaintext.= $in ^ $_iv; - $_iv = $_block; - } - - if ($this->continuousBuffer) { - $this->decryptIV = $_iv; - } - - return $this->unpad($_plaintext); - '; - break; - } - - eval('$func = function ($_action, $_text) { ' . $init_crypt . 'if ($_action == "encrypt") { ' . $encrypt . ' } else { ' . $decrypt . ' }};'); - - return \Closure::bind($func, $this, $this->getClassContext()); - } - - /** - * Returns the class that defines the private methods - * - * @access private - * @return string - */ - protected function getClassContext() - { - return get_called_class(); - } -} diff --git a/lib/phpaes/phpseclib/Crypt/DES.php b/lib/phpaes/phpseclib/Crypt/DES.php deleted file mode 100644 index 6b3fc8c39b..0000000000 --- a/lib/phpaes/phpseclib/Crypt/DES.php +++ /dev/null @@ -1,1408 +0,0 @@ - - * setKey('abcdefgh'); - * - * $size = 10 * 1024; - * $plaintext = ''; - * for ($i = 0; $i < $size; $i++) { - * $plaintext.= 'a'; - * } - * - * echo $des->decrypt($des->encrypt($plaintext)); - * ?> - * - * - * @category Crypt - * @package DES - * @author Jim Wigginton - * @copyright 2007 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt; - -use phpseclib\Crypt\Common\BlockCipher; - -/** - * Pure-PHP implementation of DES. - * - * @package DES - * @author Jim Wigginton - * @access public - */ -class DES extends BlockCipher -{ - /**#@+ - * @access private - * @see \phpseclib\Crypt\DES::setupKey() - * @see \phpseclib\Crypt\DES::processBlock() - */ - /** - * Contains $keys[self::ENCRYPT] - */ - const ENCRYPT = 0; - /** - * Contains $keys[self::DECRYPT] - */ - const DECRYPT = 1; - /**#@-*/ - - /** - * Block Length of the cipher - * - * @see \phpseclib\Crypt\Common\SymmetricKey::block_size - * @var int - * @access private - */ - protected $block_size = 8; - - /** - * Key Length (in bytes) - * - * @see \phpseclib\Crypt\Common\SymmetricKey::setKeyLength() - * @var int - * @access private - */ - protected $key_length = 8; - - /** - * The mcrypt specific name of the cipher - * - * @see \phpseclib\Crypt\Common\SymmetricKey::cipher_name_mcrypt - * @var string - * @access private - */ - protected $cipher_name_mcrypt = 'des'; - - /** - * The OpenSSL names of the cipher / modes - * - * @see \phpseclib\Crypt\Common\SymmetricKey::openssl_mode_names - * @var array - * @access private - */ - protected $openssl_mode_names = [ - self::MODE_ECB => 'des-ecb', - self::MODE_CBC => 'des-cbc', - self::MODE_CFB => 'des-cfb', - self::MODE_OFB => 'des-ofb' - // self::MODE_CTR is undefined for DES - ]; - - /** - * Optimizing value while CFB-encrypting - * - * @see \phpseclib\Crypt\Common\SymmetricKey::cfb_init_len - * @var int - * @access private - */ - protected $cfb_init_len = 500; - - /** - * Switch for DES/3DES encryption - * - * Used only if $engine == self::ENGINE_INTERNAL - * - * @see self::setupKey() - * @see self::processBlock() - * @var int - * @access private - */ - protected $des_rounds = 1; - - /** - * max possible size of $key - * - * @see self::setKey() - * @var string - * @access private - */ - protected $key_length_max = 8; - - /** - * The Key Schedule - * - * @see self::setupKey() - * @var array - * @access private - */ - private $keys; - - /** - * Shuffle table. - * - * For each byte value index, the entry holds an 8-byte string - * with each byte containing all bits in the same state as the - * corresponding bit in the index value. - * - * @see self::processBlock() - * @see self::setupKey() - * @var array - * @access private - */ - private $shuffle = [ - "\x00\x00\x00\x00\x00\x00\x00\x00", "\x00\x00\x00\x00\x00\x00\x00\xFF", - "\x00\x00\x00\x00\x00\x00\xFF\x00", "\x00\x00\x00\x00\x00\x00\xFF\xFF", - "\x00\x00\x00\x00\x00\xFF\x00\x00", "\x00\x00\x00\x00\x00\xFF\x00\xFF", - "\x00\x00\x00\x00\x00\xFF\xFF\x00", "\x00\x00\x00\x00\x00\xFF\xFF\xFF", - "\x00\x00\x00\x00\xFF\x00\x00\x00", "\x00\x00\x00\x00\xFF\x00\x00\xFF", - "\x00\x00\x00\x00\xFF\x00\xFF\x00", "\x00\x00\x00\x00\xFF\x00\xFF\xFF", - "\x00\x00\x00\x00\xFF\xFF\x00\x00", "\x00\x00\x00\x00\xFF\xFF\x00\xFF", - "\x00\x00\x00\x00\xFF\xFF\xFF\x00", "\x00\x00\x00\x00\xFF\xFF\xFF\xFF", - "\x00\x00\x00\xFF\x00\x00\x00\x00", "\x00\x00\x00\xFF\x00\x00\x00\xFF", - "\x00\x00\x00\xFF\x00\x00\xFF\x00", "\x00\x00\x00\xFF\x00\x00\xFF\xFF", - "\x00\x00\x00\xFF\x00\xFF\x00\x00", "\x00\x00\x00\xFF\x00\xFF\x00\xFF", - "\x00\x00\x00\xFF\x00\xFF\xFF\x00", "\x00\x00\x00\xFF\x00\xFF\xFF\xFF", - "\x00\x00\x00\xFF\xFF\x00\x00\x00", "\x00\x00\x00\xFF\xFF\x00\x00\xFF", - "\x00\x00\x00\xFF\xFF\x00\xFF\x00", "\x00\x00\x00\xFF\xFF\x00\xFF\xFF", - "\x00\x00\x00\xFF\xFF\xFF\x00\x00", "\x00\x00\x00\xFF\xFF\xFF\x00\xFF", - "\x00\x00\x00\xFF\xFF\xFF\xFF\x00", "\x00\x00\x00\xFF\xFF\xFF\xFF\xFF", - "\x00\x00\xFF\x00\x00\x00\x00\x00", "\x00\x00\xFF\x00\x00\x00\x00\xFF", - "\x00\x00\xFF\x00\x00\x00\xFF\x00", "\x00\x00\xFF\x00\x00\x00\xFF\xFF", - "\x00\x00\xFF\x00\x00\xFF\x00\x00", "\x00\x00\xFF\x00\x00\xFF\x00\xFF", - "\x00\x00\xFF\x00\x00\xFF\xFF\x00", "\x00\x00\xFF\x00\x00\xFF\xFF\xFF", - "\x00\x00\xFF\x00\xFF\x00\x00\x00", "\x00\x00\xFF\x00\xFF\x00\x00\xFF", - "\x00\x00\xFF\x00\xFF\x00\xFF\x00", "\x00\x00\xFF\x00\xFF\x00\xFF\xFF", - "\x00\x00\xFF\x00\xFF\xFF\x00\x00", "\x00\x00\xFF\x00\xFF\xFF\x00\xFF", - "\x00\x00\xFF\x00\xFF\xFF\xFF\x00", "\x00\x00\xFF\x00\xFF\xFF\xFF\xFF", - "\x00\x00\xFF\xFF\x00\x00\x00\x00", "\x00\x00\xFF\xFF\x00\x00\x00\xFF", - "\x00\x00\xFF\xFF\x00\x00\xFF\x00", "\x00\x00\xFF\xFF\x00\x00\xFF\xFF", - "\x00\x00\xFF\xFF\x00\xFF\x00\x00", "\x00\x00\xFF\xFF\x00\xFF\x00\xFF", - "\x00\x00\xFF\xFF\x00\xFF\xFF\x00", "\x00\x00\xFF\xFF\x00\xFF\xFF\xFF", - "\x00\x00\xFF\xFF\xFF\x00\x00\x00", "\x00\x00\xFF\xFF\xFF\x00\x00\xFF", - "\x00\x00\xFF\xFF\xFF\x00\xFF\x00", "\x00\x00\xFF\xFF\xFF\x00\xFF\xFF", - "\x00\x00\xFF\xFF\xFF\xFF\x00\x00", "\x00\x00\xFF\xFF\xFF\xFF\x00\xFF", - "\x00\x00\xFF\xFF\xFF\xFF\xFF\x00", "\x00\x00\xFF\xFF\xFF\xFF\xFF\xFF", - "\x00\xFF\x00\x00\x00\x00\x00\x00", "\x00\xFF\x00\x00\x00\x00\x00\xFF", - "\x00\xFF\x00\x00\x00\x00\xFF\x00", "\x00\xFF\x00\x00\x00\x00\xFF\xFF", - "\x00\xFF\x00\x00\x00\xFF\x00\x00", "\x00\xFF\x00\x00\x00\xFF\x00\xFF", - "\x00\xFF\x00\x00\x00\xFF\xFF\x00", "\x00\xFF\x00\x00\x00\xFF\xFF\xFF", - "\x00\xFF\x00\x00\xFF\x00\x00\x00", "\x00\xFF\x00\x00\xFF\x00\x00\xFF", - "\x00\xFF\x00\x00\xFF\x00\xFF\x00", "\x00\xFF\x00\x00\xFF\x00\xFF\xFF", - "\x00\xFF\x00\x00\xFF\xFF\x00\x00", "\x00\xFF\x00\x00\xFF\xFF\x00\xFF", - "\x00\xFF\x00\x00\xFF\xFF\xFF\x00", "\x00\xFF\x00\x00\xFF\xFF\xFF\xFF", - "\x00\xFF\x00\xFF\x00\x00\x00\x00", "\x00\xFF\x00\xFF\x00\x00\x00\xFF", - "\x00\xFF\x00\xFF\x00\x00\xFF\x00", "\x00\xFF\x00\xFF\x00\x00\xFF\xFF", - "\x00\xFF\x00\xFF\x00\xFF\x00\x00", "\x00\xFF\x00\xFF\x00\xFF\x00\xFF", - "\x00\xFF\x00\xFF\x00\xFF\xFF\x00", "\x00\xFF\x00\xFF\x00\xFF\xFF\xFF", - "\x00\xFF\x00\xFF\xFF\x00\x00\x00", "\x00\xFF\x00\xFF\xFF\x00\x00\xFF", - "\x00\xFF\x00\xFF\xFF\x00\xFF\x00", "\x00\xFF\x00\xFF\xFF\x00\xFF\xFF", - "\x00\xFF\x00\xFF\xFF\xFF\x00\x00", "\x00\xFF\x00\xFF\xFF\xFF\x00\xFF", - "\x00\xFF\x00\xFF\xFF\xFF\xFF\x00", "\x00\xFF\x00\xFF\xFF\xFF\xFF\xFF", - "\x00\xFF\xFF\x00\x00\x00\x00\x00", "\x00\xFF\xFF\x00\x00\x00\x00\xFF", - "\x00\xFF\xFF\x00\x00\x00\xFF\x00", "\x00\xFF\xFF\x00\x00\x00\xFF\xFF", - "\x00\xFF\xFF\x00\x00\xFF\x00\x00", "\x00\xFF\xFF\x00\x00\xFF\x00\xFF", - "\x00\xFF\xFF\x00\x00\xFF\xFF\x00", "\x00\xFF\xFF\x00\x00\xFF\xFF\xFF", - "\x00\xFF\xFF\x00\xFF\x00\x00\x00", "\x00\xFF\xFF\x00\xFF\x00\x00\xFF", - "\x00\xFF\xFF\x00\xFF\x00\xFF\x00", "\x00\xFF\xFF\x00\xFF\x00\xFF\xFF", - "\x00\xFF\xFF\x00\xFF\xFF\x00\x00", "\x00\xFF\xFF\x00\xFF\xFF\x00\xFF", - "\x00\xFF\xFF\x00\xFF\xFF\xFF\x00", "\x00\xFF\xFF\x00\xFF\xFF\xFF\xFF", - "\x00\xFF\xFF\xFF\x00\x00\x00\x00", "\x00\xFF\xFF\xFF\x00\x00\x00\xFF", - "\x00\xFF\xFF\xFF\x00\x00\xFF\x00", "\x00\xFF\xFF\xFF\x00\x00\xFF\xFF", - "\x00\xFF\xFF\xFF\x00\xFF\x00\x00", "\x00\xFF\xFF\xFF\x00\xFF\x00\xFF", - "\x00\xFF\xFF\xFF\x00\xFF\xFF\x00", "\x00\xFF\xFF\xFF\x00\xFF\xFF\xFF", - "\x00\xFF\xFF\xFF\xFF\x00\x00\x00", "\x00\xFF\xFF\xFF\xFF\x00\x00\xFF", - "\x00\xFF\xFF\xFF\xFF\x00\xFF\x00", "\x00\xFF\xFF\xFF\xFF\x00\xFF\xFF", - "\x00\xFF\xFF\xFF\xFF\xFF\x00\x00", "\x00\xFF\xFF\xFF\xFF\xFF\x00\xFF", - "\x00\xFF\xFF\xFF\xFF\xFF\xFF\x00", "\x00\xFF\xFF\xFF\xFF\xFF\xFF\xFF", - "\xFF\x00\x00\x00\x00\x00\x00\x00", "\xFF\x00\x00\x00\x00\x00\x00\xFF", - "\xFF\x00\x00\x00\x00\x00\xFF\x00", "\xFF\x00\x00\x00\x00\x00\xFF\xFF", - "\xFF\x00\x00\x00\x00\xFF\x00\x00", "\xFF\x00\x00\x00\x00\xFF\x00\xFF", - "\xFF\x00\x00\x00\x00\xFF\xFF\x00", "\xFF\x00\x00\x00\x00\xFF\xFF\xFF", - "\xFF\x00\x00\x00\xFF\x00\x00\x00", "\xFF\x00\x00\x00\xFF\x00\x00\xFF", - "\xFF\x00\x00\x00\xFF\x00\xFF\x00", "\xFF\x00\x00\x00\xFF\x00\xFF\xFF", - "\xFF\x00\x00\x00\xFF\xFF\x00\x00", "\xFF\x00\x00\x00\xFF\xFF\x00\xFF", - "\xFF\x00\x00\x00\xFF\xFF\xFF\x00", "\xFF\x00\x00\x00\xFF\xFF\xFF\xFF", - "\xFF\x00\x00\xFF\x00\x00\x00\x00", "\xFF\x00\x00\xFF\x00\x00\x00\xFF", - "\xFF\x00\x00\xFF\x00\x00\xFF\x00", "\xFF\x00\x00\xFF\x00\x00\xFF\xFF", - "\xFF\x00\x00\xFF\x00\xFF\x00\x00", "\xFF\x00\x00\xFF\x00\xFF\x00\xFF", - "\xFF\x00\x00\xFF\x00\xFF\xFF\x00", "\xFF\x00\x00\xFF\x00\xFF\xFF\xFF", - "\xFF\x00\x00\xFF\xFF\x00\x00\x00", "\xFF\x00\x00\xFF\xFF\x00\x00\xFF", - "\xFF\x00\x00\xFF\xFF\x00\xFF\x00", "\xFF\x00\x00\xFF\xFF\x00\xFF\xFF", - "\xFF\x00\x00\xFF\xFF\xFF\x00\x00", "\xFF\x00\x00\xFF\xFF\xFF\x00\xFF", - "\xFF\x00\x00\xFF\xFF\xFF\xFF\x00", "\xFF\x00\x00\xFF\xFF\xFF\xFF\xFF", - "\xFF\x00\xFF\x00\x00\x00\x00\x00", "\xFF\x00\xFF\x00\x00\x00\x00\xFF", - "\xFF\x00\xFF\x00\x00\x00\xFF\x00", "\xFF\x00\xFF\x00\x00\x00\xFF\xFF", - "\xFF\x00\xFF\x00\x00\xFF\x00\x00", "\xFF\x00\xFF\x00\x00\xFF\x00\xFF", - "\xFF\x00\xFF\x00\x00\xFF\xFF\x00", "\xFF\x00\xFF\x00\x00\xFF\xFF\xFF", - "\xFF\x00\xFF\x00\xFF\x00\x00\x00", "\xFF\x00\xFF\x00\xFF\x00\x00\xFF", - "\xFF\x00\xFF\x00\xFF\x00\xFF\x00", "\xFF\x00\xFF\x00\xFF\x00\xFF\xFF", - "\xFF\x00\xFF\x00\xFF\xFF\x00\x00", "\xFF\x00\xFF\x00\xFF\xFF\x00\xFF", - "\xFF\x00\xFF\x00\xFF\xFF\xFF\x00", "\xFF\x00\xFF\x00\xFF\xFF\xFF\xFF", - "\xFF\x00\xFF\xFF\x00\x00\x00\x00", "\xFF\x00\xFF\xFF\x00\x00\x00\xFF", - "\xFF\x00\xFF\xFF\x00\x00\xFF\x00", "\xFF\x00\xFF\xFF\x00\x00\xFF\xFF", - "\xFF\x00\xFF\xFF\x00\xFF\x00\x00", "\xFF\x00\xFF\xFF\x00\xFF\x00\xFF", - "\xFF\x00\xFF\xFF\x00\xFF\xFF\x00", "\xFF\x00\xFF\xFF\x00\xFF\xFF\xFF", - "\xFF\x00\xFF\xFF\xFF\x00\x00\x00", "\xFF\x00\xFF\xFF\xFF\x00\x00\xFF", - "\xFF\x00\xFF\xFF\xFF\x00\xFF\x00", "\xFF\x00\xFF\xFF\xFF\x00\xFF\xFF", - "\xFF\x00\xFF\xFF\xFF\xFF\x00\x00", "\xFF\x00\xFF\xFF\xFF\xFF\x00\xFF", - "\xFF\x00\xFF\xFF\xFF\xFF\xFF\x00", "\xFF\x00\xFF\xFF\xFF\xFF\xFF\xFF", - "\xFF\xFF\x00\x00\x00\x00\x00\x00", "\xFF\xFF\x00\x00\x00\x00\x00\xFF", - "\xFF\xFF\x00\x00\x00\x00\xFF\x00", "\xFF\xFF\x00\x00\x00\x00\xFF\xFF", - "\xFF\xFF\x00\x00\x00\xFF\x00\x00", "\xFF\xFF\x00\x00\x00\xFF\x00\xFF", - "\xFF\xFF\x00\x00\x00\xFF\xFF\x00", "\xFF\xFF\x00\x00\x00\xFF\xFF\xFF", - "\xFF\xFF\x00\x00\xFF\x00\x00\x00", "\xFF\xFF\x00\x00\xFF\x00\x00\xFF", - "\xFF\xFF\x00\x00\xFF\x00\xFF\x00", "\xFF\xFF\x00\x00\xFF\x00\xFF\xFF", - "\xFF\xFF\x00\x00\xFF\xFF\x00\x00", "\xFF\xFF\x00\x00\xFF\xFF\x00\xFF", - "\xFF\xFF\x00\x00\xFF\xFF\xFF\x00", "\xFF\xFF\x00\x00\xFF\xFF\xFF\xFF", - "\xFF\xFF\x00\xFF\x00\x00\x00\x00", "\xFF\xFF\x00\xFF\x00\x00\x00\xFF", - "\xFF\xFF\x00\xFF\x00\x00\xFF\x00", "\xFF\xFF\x00\xFF\x00\x00\xFF\xFF", - "\xFF\xFF\x00\xFF\x00\xFF\x00\x00", "\xFF\xFF\x00\xFF\x00\xFF\x00\xFF", - "\xFF\xFF\x00\xFF\x00\xFF\xFF\x00", "\xFF\xFF\x00\xFF\x00\xFF\xFF\xFF", - "\xFF\xFF\x00\xFF\xFF\x00\x00\x00", "\xFF\xFF\x00\xFF\xFF\x00\x00\xFF", - "\xFF\xFF\x00\xFF\xFF\x00\xFF\x00", "\xFF\xFF\x00\xFF\xFF\x00\xFF\xFF", - "\xFF\xFF\x00\xFF\xFF\xFF\x00\x00", "\xFF\xFF\x00\xFF\xFF\xFF\x00\xFF", - "\xFF\xFF\x00\xFF\xFF\xFF\xFF\x00", "\xFF\xFF\x00\xFF\xFF\xFF\xFF\xFF", - "\xFF\xFF\xFF\x00\x00\x00\x00\x00", "\xFF\xFF\xFF\x00\x00\x00\x00\xFF", - "\xFF\xFF\xFF\x00\x00\x00\xFF\x00", "\xFF\xFF\xFF\x00\x00\x00\xFF\xFF", - "\xFF\xFF\xFF\x00\x00\xFF\x00\x00", "\xFF\xFF\xFF\x00\x00\xFF\x00\xFF", - "\xFF\xFF\xFF\x00\x00\xFF\xFF\x00", "\xFF\xFF\xFF\x00\x00\xFF\xFF\xFF", - "\xFF\xFF\xFF\x00\xFF\x00\x00\x00", "\xFF\xFF\xFF\x00\xFF\x00\x00\xFF", - "\xFF\xFF\xFF\x00\xFF\x00\xFF\x00", "\xFF\xFF\xFF\x00\xFF\x00\xFF\xFF", - "\xFF\xFF\xFF\x00\xFF\xFF\x00\x00", "\xFF\xFF\xFF\x00\xFF\xFF\x00\xFF", - "\xFF\xFF\xFF\x00\xFF\xFF\xFF\x00", "\xFF\xFF\xFF\x00\xFF\xFF\xFF\xFF", - "\xFF\xFF\xFF\xFF\x00\x00\x00\x00", "\xFF\xFF\xFF\xFF\x00\x00\x00\xFF", - "\xFF\xFF\xFF\xFF\x00\x00\xFF\x00", "\xFF\xFF\xFF\xFF\x00\x00\xFF\xFF", - "\xFF\xFF\xFF\xFF\x00\xFF\x00\x00", "\xFF\xFF\xFF\xFF\x00\xFF\x00\xFF", - "\xFF\xFF\xFF\xFF\x00\xFF\xFF\x00", "\xFF\xFF\xFF\xFF\x00\xFF\xFF\xFF", - "\xFF\xFF\xFF\xFF\xFF\x00\x00\x00", "\xFF\xFF\xFF\xFF\xFF\x00\x00\xFF", - "\xFF\xFF\xFF\xFF\xFF\x00\xFF\x00", "\xFF\xFF\xFF\xFF\xFF\x00\xFF\xFF", - "\xFF\xFF\xFF\xFF\xFF\xFF\x00\x00", "\xFF\xFF\xFF\xFF\xFF\xFF\x00\xFF", - "\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x00", "\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF" - ]; - - /** - * IP mapping helper table. - * - * Indexing this table with each source byte performs the initial bit permutation. - * - * @var array - * @access private - */ - private $ipmap = [ - 0x00, 0x10, 0x01, 0x11, 0x20, 0x30, 0x21, 0x31, - 0x02, 0x12, 0x03, 0x13, 0x22, 0x32, 0x23, 0x33, - 0x40, 0x50, 0x41, 0x51, 0x60, 0x70, 0x61, 0x71, - 0x42, 0x52, 0x43, 0x53, 0x62, 0x72, 0x63, 0x73, - 0x04, 0x14, 0x05, 0x15, 0x24, 0x34, 0x25, 0x35, - 0x06, 0x16, 0x07, 0x17, 0x26, 0x36, 0x27, 0x37, - 0x44, 0x54, 0x45, 0x55, 0x64, 0x74, 0x65, 0x75, - 0x46, 0x56, 0x47, 0x57, 0x66, 0x76, 0x67, 0x77, - 0x80, 0x90, 0x81, 0x91, 0xA0, 0xB0, 0xA1, 0xB1, - 0x82, 0x92, 0x83, 0x93, 0xA2, 0xB2, 0xA3, 0xB3, - 0xC0, 0xD0, 0xC1, 0xD1, 0xE0, 0xF0, 0xE1, 0xF1, - 0xC2, 0xD2, 0xC3, 0xD3, 0xE2, 0xF2, 0xE3, 0xF3, - 0x84, 0x94, 0x85, 0x95, 0xA4, 0xB4, 0xA5, 0xB5, - 0x86, 0x96, 0x87, 0x97, 0xA6, 0xB6, 0xA7, 0xB7, - 0xC4, 0xD4, 0xC5, 0xD5, 0xE4, 0xF4, 0xE5, 0xF5, - 0xC6, 0xD6, 0xC7, 0xD7, 0xE6, 0xF6, 0xE7, 0xF7, - 0x08, 0x18, 0x09, 0x19, 0x28, 0x38, 0x29, 0x39, - 0x0A, 0x1A, 0x0B, 0x1B, 0x2A, 0x3A, 0x2B, 0x3B, - 0x48, 0x58, 0x49, 0x59, 0x68, 0x78, 0x69, 0x79, - 0x4A, 0x5A, 0x4B, 0x5B, 0x6A, 0x7A, 0x6B, 0x7B, - 0x0C, 0x1C, 0x0D, 0x1D, 0x2C, 0x3C, 0x2D, 0x3D, - 0x0E, 0x1E, 0x0F, 0x1F, 0x2E, 0x3E, 0x2F, 0x3F, - 0x4C, 0x5C, 0x4D, 0x5D, 0x6C, 0x7C, 0x6D, 0x7D, - 0x4E, 0x5E, 0x4F, 0x5F, 0x6E, 0x7E, 0x6F, 0x7F, - 0x88, 0x98, 0x89, 0x99, 0xA8, 0xB8, 0xA9, 0xB9, - 0x8A, 0x9A, 0x8B, 0x9B, 0xAA, 0xBA, 0xAB, 0xBB, - 0xC8, 0xD8, 0xC9, 0xD9, 0xE8, 0xF8, 0xE9, 0xF9, - 0xCA, 0xDA, 0xCB, 0xDB, 0xEA, 0xFA, 0xEB, 0xFB, - 0x8C, 0x9C, 0x8D, 0x9D, 0xAC, 0xBC, 0xAD, 0xBD, - 0x8E, 0x9E, 0x8F, 0x9F, 0xAE, 0xBE, 0xAF, 0xBF, - 0xCC, 0xDC, 0xCD, 0xDD, 0xEC, 0xFC, 0xED, 0xFD, - 0xCE, 0xDE, 0xCF, 0xDF, 0xEE, 0xFE, 0xEF, 0xFF - ]; - - /** - * Inverse IP mapping helper table. - * Indexing this table with a byte value reverses the bit order. - * - * @var array - * @access private - */ - private $invipmap = [ - 0x00, 0x80, 0x40, 0xC0, 0x20, 0xA0, 0x60, 0xE0, - 0x10, 0x90, 0x50, 0xD0, 0x30, 0xB0, 0x70, 0xF0, - 0x08, 0x88, 0x48, 0xC8, 0x28, 0xA8, 0x68, 0xE8, - 0x18, 0x98, 0x58, 0xD8, 0x38, 0xB8, 0x78, 0xF8, - 0x04, 0x84, 0x44, 0xC4, 0x24, 0xA4, 0x64, 0xE4, - 0x14, 0x94, 0x54, 0xD4, 0x34, 0xB4, 0x74, 0xF4, - 0x0C, 0x8C, 0x4C, 0xCC, 0x2C, 0xAC, 0x6C, 0xEC, - 0x1C, 0x9C, 0x5C, 0xDC, 0x3C, 0xBC, 0x7C, 0xFC, - 0x02, 0x82, 0x42, 0xC2, 0x22, 0xA2, 0x62, 0xE2, - 0x12, 0x92, 0x52, 0xD2, 0x32, 0xB2, 0x72, 0xF2, - 0x0A, 0x8A, 0x4A, 0xCA, 0x2A, 0xAA, 0x6A, 0xEA, - 0x1A, 0x9A, 0x5A, 0xDA, 0x3A, 0xBA, 0x7A, 0xFA, - 0x06, 0x86, 0x46, 0xC6, 0x26, 0xA6, 0x66, 0xE6, - 0x16, 0x96, 0x56, 0xD6, 0x36, 0xB6, 0x76, 0xF6, - 0x0E, 0x8E, 0x4E, 0xCE, 0x2E, 0xAE, 0x6E, 0xEE, - 0x1E, 0x9E, 0x5E, 0xDE, 0x3E, 0xBE, 0x7E, 0xFE, - 0x01, 0x81, 0x41, 0xC1, 0x21, 0xA1, 0x61, 0xE1, - 0x11, 0x91, 0x51, 0xD1, 0x31, 0xB1, 0x71, 0xF1, - 0x09, 0x89, 0x49, 0xC9, 0x29, 0xA9, 0x69, 0xE9, - 0x19, 0x99, 0x59, 0xD9, 0x39, 0xB9, 0x79, 0xF9, - 0x05, 0x85, 0x45, 0xC5, 0x25, 0xA5, 0x65, 0xE5, - 0x15, 0x95, 0x55, 0xD5, 0x35, 0xB5, 0x75, 0xF5, - 0x0D, 0x8D, 0x4D, 0xCD, 0x2D, 0xAD, 0x6D, 0xED, - 0x1D, 0x9D, 0x5D, 0xDD, 0x3D, 0xBD, 0x7D, 0xFD, - 0x03, 0x83, 0x43, 0xC3, 0x23, 0xA3, 0x63, 0xE3, - 0x13, 0x93, 0x53, 0xD3, 0x33, 0xB3, 0x73, 0xF3, - 0x0B, 0x8B, 0x4B, 0xCB, 0x2B, 0xAB, 0x6B, 0xEB, - 0x1B, 0x9B, 0x5B, 0xDB, 0x3B, 0xBB, 0x7B, 0xFB, - 0x07, 0x87, 0x47, 0xC7, 0x27, 0xA7, 0x67, 0xE7, - 0x17, 0x97, 0x57, 0xD7, 0x37, 0xB7, 0x77, 0xF7, - 0x0F, 0x8F, 0x4F, 0xCF, 0x2F, 0xAF, 0x6F, 0xEF, - 0x1F, 0x9F, 0x5F, 0xDF, 0x3F, 0xBF, 0x7F, 0xFF - ]; - - /** - * Pre-permuted S-box1 - * - * Each box ($sbox1-$sbox8) has been vectorized, then each value pre-permuted using the - * P table: concatenation can then be replaced by exclusive ORs. - * - * @var array - * @access private - */ - private $sbox1 = [ - 0x00808200, 0x00000000, 0x00008000, 0x00808202, - 0x00808002, 0x00008202, 0x00000002, 0x00008000, - 0x00000200, 0x00808200, 0x00808202, 0x00000200, - 0x00800202, 0x00808002, 0x00800000, 0x00000002, - 0x00000202, 0x00800200, 0x00800200, 0x00008200, - 0x00008200, 0x00808000, 0x00808000, 0x00800202, - 0x00008002, 0x00800002, 0x00800002, 0x00008002, - 0x00000000, 0x00000202, 0x00008202, 0x00800000, - 0x00008000, 0x00808202, 0x00000002, 0x00808000, - 0x00808200, 0x00800000, 0x00800000, 0x00000200, - 0x00808002, 0x00008000, 0x00008200, 0x00800002, - 0x00000200, 0x00000002, 0x00800202, 0x00008202, - 0x00808202, 0x00008002, 0x00808000, 0x00800202, - 0x00800002, 0x00000202, 0x00008202, 0x00808200, - 0x00000202, 0x00800200, 0x00800200, 0x00000000, - 0x00008002, 0x00008200, 0x00000000, 0x00808002 - ]; - - /** - * Pre-permuted S-box2 - * - * @var array - * @access private - */ - private $sbox2 = [ - 0x40084010, 0x40004000, 0x00004000, 0x00084010, - 0x00080000, 0x00000010, 0x40080010, 0x40004010, - 0x40000010, 0x40084010, 0x40084000, 0x40000000, - 0x40004000, 0x00080000, 0x00000010, 0x40080010, - 0x00084000, 0x00080010, 0x40004010, 0x00000000, - 0x40000000, 0x00004000, 0x00084010, 0x40080000, - 0x00080010, 0x40000010, 0x00000000, 0x00084000, - 0x00004010, 0x40084000, 0x40080000, 0x00004010, - 0x00000000, 0x00084010, 0x40080010, 0x00080000, - 0x40004010, 0x40080000, 0x40084000, 0x00004000, - 0x40080000, 0x40004000, 0x00000010, 0x40084010, - 0x00084010, 0x00000010, 0x00004000, 0x40000000, - 0x00004010, 0x40084000, 0x00080000, 0x40000010, - 0x00080010, 0x40004010, 0x40000010, 0x00080010, - 0x00084000, 0x00000000, 0x40004000, 0x00004010, - 0x40000000, 0x40080010, 0x40084010, 0x00084000 - ]; - - /** - * Pre-permuted S-box3 - * - * @var array - * @access private - */ - private $sbox3 = [ - 0x00000104, 0x04010100, 0x00000000, 0x04010004, - 0x04000100, 0x00000000, 0x00010104, 0x04000100, - 0x00010004, 0x04000004, 0x04000004, 0x00010000, - 0x04010104, 0x00010004, 0x04010000, 0x00000104, - 0x04000000, 0x00000004, 0x04010100, 0x00000100, - 0x00010100, 0x04010000, 0x04010004, 0x00010104, - 0x04000104, 0x00010100, 0x00010000, 0x04000104, - 0x00000004, 0x04010104, 0x00000100, 0x04000000, - 0x04010100, 0x04000000, 0x00010004, 0x00000104, - 0x00010000, 0x04010100, 0x04000100, 0x00000000, - 0x00000100, 0x00010004, 0x04010104, 0x04000100, - 0x04000004, 0x00000100, 0x00000000, 0x04010004, - 0x04000104, 0x00010000, 0x04000000, 0x04010104, - 0x00000004, 0x00010104, 0x00010100, 0x04000004, - 0x04010000, 0x04000104, 0x00000104, 0x04010000, - 0x00010104, 0x00000004, 0x04010004, 0x00010100 - ]; - - /** - * Pre-permuted S-box4 - * - * @var array - * @access private - */ - private $sbox4 = [ - 0x80401000, 0x80001040, 0x80001040, 0x00000040, - 0x00401040, 0x80400040, 0x80400000, 0x80001000, - 0x00000000, 0x00401000, 0x00401000, 0x80401040, - 0x80000040, 0x00000000, 0x00400040, 0x80400000, - 0x80000000, 0x00001000, 0x00400000, 0x80401000, - 0x00000040, 0x00400000, 0x80001000, 0x00001040, - 0x80400040, 0x80000000, 0x00001040, 0x00400040, - 0x00001000, 0x00401040, 0x80401040, 0x80000040, - 0x00400040, 0x80400000, 0x00401000, 0x80401040, - 0x80000040, 0x00000000, 0x00000000, 0x00401000, - 0x00001040, 0x00400040, 0x80400040, 0x80000000, - 0x80401000, 0x80001040, 0x80001040, 0x00000040, - 0x80401040, 0x80000040, 0x80000000, 0x00001000, - 0x80400000, 0x80001000, 0x00401040, 0x80400040, - 0x80001000, 0x00001040, 0x00400000, 0x80401000, - 0x00000040, 0x00400000, 0x00001000, 0x00401040 - ]; - - /** - * Pre-permuted S-box5 - * - * @var array - * @access private - */ - private $sbox5 = [ - 0x00000080, 0x01040080, 0x01040000, 0x21000080, - 0x00040000, 0x00000080, 0x20000000, 0x01040000, - 0x20040080, 0x00040000, 0x01000080, 0x20040080, - 0x21000080, 0x21040000, 0x00040080, 0x20000000, - 0x01000000, 0x20040000, 0x20040000, 0x00000000, - 0x20000080, 0x21040080, 0x21040080, 0x01000080, - 0x21040000, 0x20000080, 0x00000000, 0x21000000, - 0x01040080, 0x01000000, 0x21000000, 0x00040080, - 0x00040000, 0x21000080, 0x00000080, 0x01000000, - 0x20000000, 0x01040000, 0x21000080, 0x20040080, - 0x01000080, 0x20000000, 0x21040000, 0x01040080, - 0x20040080, 0x00000080, 0x01000000, 0x21040000, - 0x21040080, 0x00040080, 0x21000000, 0x21040080, - 0x01040000, 0x00000000, 0x20040000, 0x21000000, - 0x00040080, 0x01000080, 0x20000080, 0x00040000, - 0x00000000, 0x20040000, 0x01040080, 0x20000080 - ]; - - /** - * Pre-permuted S-box6 - * - * @var array - * @access private - */ - private $sbox6 = [ - 0x10000008, 0x10200000, 0x00002000, 0x10202008, - 0x10200000, 0x00000008, 0x10202008, 0x00200000, - 0x10002000, 0x00202008, 0x00200000, 0x10000008, - 0x00200008, 0x10002000, 0x10000000, 0x00002008, - 0x00000000, 0x00200008, 0x10002008, 0x00002000, - 0x00202000, 0x10002008, 0x00000008, 0x10200008, - 0x10200008, 0x00000000, 0x00202008, 0x10202000, - 0x00002008, 0x00202000, 0x10202000, 0x10000000, - 0x10002000, 0x00000008, 0x10200008, 0x00202000, - 0x10202008, 0x00200000, 0x00002008, 0x10000008, - 0x00200000, 0x10002000, 0x10000000, 0x00002008, - 0x10000008, 0x10202008, 0x00202000, 0x10200000, - 0x00202008, 0x10202000, 0x00000000, 0x10200008, - 0x00000008, 0x00002000, 0x10200000, 0x00202008, - 0x00002000, 0x00200008, 0x10002008, 0x00000000, - 0x10202000, 0x10000000, 0x00200008, 0x10002008 - ]; - - /** - * Pre-permuted S-box7 - * - * @var array - * @access private - */ - private $sbox7 = [ - 0x00100000, 0x02100001, 0x02000401, 0x00000000, - 0x00000400, 0x02000401, 0x00100401, 0x02100400, - 0x02100401, 0x00100000, 0x00000000, 0x02000001, - 0x00000001, 0x02000000, 0x02100001, 0x00000401, - 0x02000400, 0x00100401, 0x00100001, 0x02000400, - 0x02000001, 0x02100000, 0x02100400, 0x00100001, - 0x02100000, 0x00000400, 0x00000401, 0x02100401, - 0x00100400, 0x00000001, 0x02000000, 0x00100400, - 0x02000000, 0x00100400, 0x00100000, 0x02000401, - 0x02000401, 0x02100001, 0x02100001, 0x00000001, - 0x00100001, 0x02000000, 0x02000400, 0x00100000, - 0x02100400, 0x00000401, 0x00100401, 0x02100400, - 0x00000401, 0x02000001, 0x02100401, 0x02100000, - 0x00100400, 0x00000000, 0x00000001, 0x02100401, - 0x00000000, 0x00100401, 0x02100000, 0x00000400, - 0x02000001, 0x02000400, 0x00000400, 0x00100001 - ]; - - /** - * Pre-permuted S-box8 - * - * @var array - * @access private - */ - private $sbox8 = [ - 0x08000820, 0x00000800, 0x00020000, 0x08020820, - 0x08000000, 0x08000820, 0x00000020, 0x08000000, - 0x00020020, 0x08020000, 0x08020820, 0x00020800, - 0x08020800, 0x00020820, 0x00000800, 0x00000020, - 0x08020000, 0x08000020, 0x08000800, 0x00000820, - 0x00020800, 0x00020020, 0x08020020, 0x08020800, - 0x00000820, 0x00000000, 0x00000000, 0x08020020, - 0x08000020, 0x08000800, 0x00020820, 0x00020000, - 0x00020820, 0x00020000, 0x08020800, 0x00000800, - 0x00000020, 0x08020020, 0x00000800, 0x00020820, - 0x08000800, 0x00000020, 0x08000020, 0x08020000, - 0x08020020, 0x08000000, 0x00020000, 0x08000820, - 0x00000000, 0x08020820, 0x00020020, 0x08000020, - 0x08020000, 0x08000800, 0x08000820, 0x00000000, - 0x08020820, 0x00020800, 0x00020800, 0x00000820, - 0x00000820, 0x00020020, 0x08000000, 0x08020800 - ]; - - /** - * Default Constructor. - * - * @param int $mode - * @access public - * @throws \InvalidArgumentException if an invalid / unsupported mode is provided - */ - public function __construct($mode) - { - if ($mode == self::MODE_STREAM) { - throw new \InvalidArgumentException('Block ciphers cannot be ran in stream mode'); - } - - parent::__construct($mode); - } - - /** - * Test for engine validity - * - * This is mainly just a wrapper to set things up for \phpseclib\Crypt\Common\SymmetricKey::isValidEngine() - * - * @see \phpseclib\Crypt\Common\SymmetricKey::isValidEngine() - * @param int $engine - * @access public - * @return bool - */ - public function isValidEngine($engine) - { - if ($this->key_length_max == 8) { - if ($engine == self::ENGINE_OPENSSL) { - $this->cipher_name_openssl_ecb = 'des-ecb'; - $this->cipher_name_openssl = 'des-' . $this->openssl_translate_mode(); - } - } - - return parent::isValidEngine($engine); - } - - /** - * Sets the key. - * - * Keys must be 64-bits long or 8 bytes long. - * - * DES also requires that every eighth bit be a parity bit, however, we'll ignore that. - * - * @see \phpseclib\Crypt\Common\SymmetricKey::setKey() - * @access public - * @param string $key - */ - public function setKey($key) - { - if (!($this instanceof TripleDES) && strlen($key) != 8) { - throw new \LengthException('Key of size ' . strlen($key) . ' not supported by this algorithm. Only keys of size 8 are supported'); - } - - // Sets the key - parent::setKey($key); - } - - /** - * Encrypts a block - * - * @see \phpseclib\Crypt\Common\SymmetricKey::encryptBlock() - * @see \phpseclib\Crypt\Common\SymmetricKey::encrypt() - * @see self::encrypt() - * @access private - * @param string $in - * @return string - */ - protected function encryptBlock($in) - { - return $this->processBlock($in, self::ENCRYPT); - } - - /** - * Decrypts a block - * - * @see \phpseclib\Crypt\Common\SymmetricKey::decryptBlock() - * @see \phpseclib\Crypt\Common\SymmetricKey::decrypt() - * @see self::decrypt() - * @access private - * @param string $in - * @return string - */ - protected function decryptBlock($in) - { - return $this->processBlock($in, self::DECRYPT); - } - - /** - * Encrypts or decrypts a 64-bit block - * - * $mode should be either self::ENCRYPT or self::DECRYPT. See - * {@link http://en.wikipedia.org/wiki/Image:Feistel.png Feistel.png} to get a general - * idea of what this function does. - * - * @see self::encryptBlock() - * @see self::decryptBlock() - * @access private - * @param string $block - * @param int $mode - * @return string - */ - private function processBlock($block, $mode) - { - static $sbox1, $sbox2, $sbox3, $sbox4, $sbox5, $sbox6, $sbox7, $sbox8, $shuffleip, $shuffleinvip; - if (!$sbox1) { - $sbox1 = array_map("intval", $this->sbox1); - $sbox2 = array_map("intval", $this->sbox2); - $sbox3 = array_map("intval", $this->sbox3); - $sbox4 = array_map("intval", $this->sbox4); - $sbox5 = array_map("intval", $this->sbox5); - $sbox6 = array_map("intval", $this->sbox6); - $sbox7 = array_map("intval", $this->sbox7); - $sbox8 = array_map("intval", $this->sbox8); - /* Merge $shuffle with $[inv]ipmap */ - for ($i = 0; $i < 256; ++$i) { - $shuffleip[] = $this->shuffle[$this->ipmap[$i]]; - $shuffleinvip[] = $this->shuffle[$this->invipmap[$i]]; - } - } - - $keys = $this->keys[$mode]; - $ki = -1; - - // Do the initial IP permutation. - $t = unpack('Nl/Nr', $block); - list($l, $r) = [$t['l'], $t['r']]; - $block = ($shuffleip[ $r & 0xFF] & "\x80\x80\x80\x80\x80\x80\x80\x80") | - ($shuffleip[($r >> 8) & 0xFF] & "\x40\x40\x40\x40\x40\x40\x40\x40") | - ($shuffleip[($r >> 16) & 0xFF] & "\x20\x20\x20\x20\x20\x20\x20\x20") | - ($shuffleip[($r >> 24) & 0xFF] & "\x10\x10\x10\x10\x10\x10\x10\x10") | - ($shuffleip[ $l & 0xFF] & "\x08\x08\x08\x08\x08\x08\x08\x08") | - ($shuffleip[($l >> 8) & 0xFF] & "\x04\x04\x04\x04\x04\x04\x04\x04") | - ($shuffleip[($l >> 16) & 0xFF] & "\x02\x02\x02\x02\x02\x02\x02\x02") | - ($shuffleip[($l >> 24) & 0xFF] & "\x01\x01\x01\x01\x01\x01\x01\x01"); - - // Extract L0 and R0. - $t = unpack('Nl/Nr', $block); - list($l, $r) = [$t['l'], $t['r']]; - - for ($des_round = 0; $des_round < $this->des_rounds; ++$des_round) { - // Perform the 16 steps. - for ($i = 0; $i < 16; $i++) { - // start of "the Feistel (F) function" - see the following URL: - // http://en.wikipedia.org/wiki/Image:Data_Encryption_Standard_InfoBox_Diagram.png - // Merge key schedule. - $b1 = (($r >> 3) & 0x1FFFFFFF) ^ ($r << 29) ^ $keys[++$ki]; - $b2 = (($r >> 31) & 0x00000001) ^ ($r << 1) ^ $keys[++$ki]; - - // S-box indexing. - $t = $sbox1[($b1 >> 24) & 0x3F] ^ $sbox2[($b2 >> 24) & 0x3F] ^ - $sbox3[($b1 >> 16) & 0x3F] ^ $sbox4[($b2 >> 16) & 0x3F] ^ - $sbox5[($b1 >> 8) & 0x3F] ^ $sbox6[($b2 >> 8) & 0x3F] ^ - $sbox7[ $b1 & 0x3F] ^ $sbox8[ $b2 & 0x3F] ^ $l; - // end of "the Feistel (F) function" - - $l = $r; - $r = $t; - } - - // Last step should not permute L & R. - $t = $l; - $l = $r; - $r = $t; - } - - // Perform the inverse IP permutation. - return ($shuffleinvip[($r >> 24) & 0xFF] & "\x80\x80\x80\x80\x80\x80\x80\x80") | - ($shuffleinvip[($l >> 24) & 0xFF] & "\x40\x40\x40\x40\x40\x40\x40\x40") | - ($shuffleinvip[($r >> 16) & 0xFF] & "\x20\x20\x20\x20\x20\x20\x20\x20") | - ($shuffleinvip[($l >> 16) & 0xFF] & "\x10\x10\x10\x10\x10\x10\x10\x10") | - ($shuffleinvip[($r >> 8) & 0xFF] & "\x08\x08\x08\x08\x08\x08\x08\x08") | - ($shuffleinvip[($l >> 8) & 0xFF] & "\x04\x04\x04\x04\x04\x04\x04\x04") | - ($shuffleinvip[ $r & 0xFF] & "\x02\x02\x02\x02\x02\x02\x02\x02") | - ($shuffleinvip[ $l & 0xFF] & "\x01\x01\x01\x01\x01\x01\x01\x01"); - } - - /** - * Creates the key schedule - * - * @see \phpseclib\Crypt\Common\SymmetricKey::setupKey() - * @access private - */ - protected function setupKey() - { - if (isset($this->kl['key']) && $this->key === $this->kl['key'] && $this->des_rounds === $this->kl['des_rounds']) { - // already expanded - return; - } - $this->kl = ['key' => $this->key, 'des_rounds' => $this->des_rounds]; - - static $shifts = [ // number of key bits shifted per round - 1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1 - ]; - - static $pc1map = [ - 0x00, 0x00, 0x08, 0x08, 0x04, 0x04, 0x0C, 0x0C, - 0x02, 0x02, 0x0A, 0x0A, 0x06, 0x06, 0x0E, 0x0E, - 0x10, 0x10, 0x18, 0x18, 0x14, 0x14, 0x1C, 0x1C, - 0x12, 0x12, 0x1A, 0x1A, 0x16, 0x16, 0x1E, 0x1E, - 0x20, 0x20, 0x28, 0x28, 0x24, 0x24, 0x2C, 0x2C, - 0x22, 0x22, 0x2A, 0x2A, 0x26, 0x26, 0x2E, 0x2E, - 0x30, 0x30, 0x38, 0x38, 0x34, 0x34, 0x3C, 0x3C, - 0x32, 0x32, 0x3A, 0x3A, 0x36, 0x36, 0x3E, 0x3E, - 0x40, 0x40, 0x48, 0x48, 0x44, 0x44, 0x4C, 0x4C, - 0x42, 0x42, 0x4A, 0x4A, 0x46, 0x46, 0x4E, 0x4E, - 0x50, 0x50, 0x58, 0x58, 0x54, 0x54, 0x5C, 0x5C, - 0x52, 0x52, 0x5A, 0x5A, 0x56, 0x56, 0x5E, 0x5E, - 0x60, 0x60, 0x68, 0x68, 0x64, 0x64, 0x6C, 0x6C, - 0x62, 0x62, 0x6A, 0x6A, 0x66, 0x66, 0x6E, 0x6E, - 0x70, 0x70, 0x78, 0x78, 0x74, 0x74, 0x7C, 0x7C, - 0x72, 0x72, 0x7A, 0x7A, 0x76, 0x76, 0x7E, 0x7E, - 0x80, 0x80, 0x88, 0x88, 0x84, 0x84, 0x8C, 0x8C, - 0x82, 0x82, 0x8A, 0x8A, 0x86, 0x86, 0x8E, 0x8E, - 0x90, 0x90, 0x98, 0x98, 0x94, 0x94, 0x9C, 0x9C, - 0x92, 0x92, 0x9A, 0x9A, 0x96, 0x96, 0x9E, 0x9E, - 0xA0, 0xA0, 0xA8, 0xA8, 0xA4, 0xA4, 0xAC, 0xAC, - 0xA2, 0xA2, 0xAA, 0xAA, 0xA6, 0xA6, 0xAE, 0xAE, - 0xB0, 0xB0, 0xB8, 0xB8, 0xB4, 0xB4, 0xBC, 0xBC, - 0xB2, 0xB2, 0xBA, 0xBA, 0xB6, 0xB6, 0xBE, 0xBE, - 0xC0, 0xC0, 0xC8, 0xC8, 0xC4, 0xC4, 0xCC, 0xCC, - 0xC2, 0xC2, 0xCA, 0xCA, 0xC6, 0xC6, 0xCE, 0xCE, - 0xD0, 0xD0, 0xD8, 0xD8, 0xD4, 0xD4, 0xDC, 0xDC, - 0xD2, 0xD2, 0xDA, 0xDA, 0xD6, 0xD6, 0xDE, 0xDE, - 0xE0, 0xE0, 0xE8, 0xE8, 0xE4, 0xE4, 0xEC, 0xEC, - 0xE2, 0xE2, 0xEA, 0xEA, 0xE6, 0xE6, 0xEE, 0xEE, - 0xF0, 0xF0, 0xF8, 0xF8, 0xF4, 0xF4, 0xFC, 0xFC, - 0xF2, 0xF2, 0xFA, 0xFA, 0xF6, 0xF6, 0xFE, 0xFE - ]; - - // Mapping tables for the PC-2 transformation. - static $pc2mapc1 = [ - 0x00000000, 0x00000400, 0x00200000, 0x00200400, - 0x00000001, 0x00000401, 0x00200001, 0x00200401, - 0x02000000, 0x02000400, 0x02200000, 0x02200400, - 0x02000001, 0x02000401, 0x02200001, 0x02200401 - ]; - static $pc2mapc2 = [ - 0x00000000, 0x00000800, 0x08000000, 0x08000800, - 0x00010000, 0x00010800, 0x08010000, 0x08010800, - 0x00000000, 0x00000800, 0x08000000, 0x08000800, - 0x00010000, 0x00010800, 0x08010000, 0x08010800, - 0x00000100, 0x00000900, 0x08000100, 0x08000900, - 0x00010100, 0x00010900, 0x08010100, 0x08010900, - 0x00000100, 0x00000900, 0x08000100, 0x08000900, - 0x00010100, 0x00010900, 0x08010100, 0x08010900, - 0x00000010, 0x00000810, 0x08000010, 0x08000810, - 0x00010010, 0x00010810, 0x08010010, 0x08010810, - 0x00000010, 0x00000810, 0x08000010, 0x08000810, - 0x00010010, 0x00010810, 0x08010010, 0x08010810, - 0x00000110, 0x00000910, 0x08000110, 0x08000910, - 0x00010110, 0x00010910, 0x08010110, 0x08010910, - 0x00000110, 0x00000910, 0x08000110, 0x08000910, - 0x00010110, 0x00010910, 0x08010110, 0x08010910, - 0x00040000, 0x00040800, 0x08040000, 0x08040800, - 0x00050000, 0x00050800, 0x08050000, 0x08050800, - 0x00040000, 0x00040800, 0x08040000, 0x08040800, - 0x00050000, 0x00050800, 0x08050000, 0x08050800, - 0x00040100, 0x00040900, 0x08040100, 0x08040900, - 0x00050100, 0x00050900, 0x08050100, 0x08050900, - 0x00040100, 0x00040900, 0x08040100, 0x08040900, - 0x00050100, 0x00050900, 0x08050100, 0x08050900, - 0x00040010, 0x00040810, 0x08040010, 0x08040810, - 0x00050010, 0x00050810, 0x08050010, 0x08050810, - 0x00040010, 0x00040810, 0x08040010, 0x08040810, - 0x00050010, 0x00050810, 0x08050010, 0x08050810, - 0x00040110, 0x00040910, 0x08040110, 0x08040910, - 0x00050110, 0x00050910, 0x08050110, 0x08050910, - 0x00040110, 0x00040910, 0x08040110, 0x08040910, - 0x00050110, 0x00050910, 0x08050110, 0x08050910, - 0x01000000, 0x01000800, 0x09000000, 0x09000800, - 0x01010000, 0x01010800, 0x09010000, 0x09010800, - 0x01000000, 0x01000800, 0x09000000, 0x09000800, - 0x01010000, 0x01010800, 0x09010000, 0x09010800, - 0x01000100, 0x01000900, 0x09000100, 0x09000900, - 0x01010100, 0x01010900, 0x09010100, 0x09010900, - 0x01000100, 0x01000900, 0x09000100, 0x09000900, - 0x01010100, 0x01010900, 0x09010100, 0x09010900, - 0x01000010, 0x01000810, 0x09000010, 0x09000810, - 0x01010010, 0x01010810, 0x09010010, 0x09010810, - 0x01000010, 0x01000810, 0x09000010, 0x09000810, - 0x01010010, 0x01010810, 0x09010010, 0x09010810, - 0x01000110, 0x01000910, 0x09000110, 0x09000910, - 0x01010110, 0x01010910, 0x09010110, 0x09010910, - 0x01000110, 0x01000910, 0x09000110, 0x09000910, - 0x01010110, 0x01010910, 0x09010110, 0x09010910, - 0x01040000, 0x01040800, 0x09040000, 0x09040800, - 0x01050000, 0x01050800, 0x09050000, 0x09050800, - 0x01040000, 0x01040800, 0x09040000, 0x09040800, - 0x01050000, 0x01050800, 0x09050000, 0x09050800, - 0x01040100, 0x01040900, 0x09040100, 0x09040900, - 0x01050100, 0x01050900, 0x09050100, 0x09050900, - 0x01040100, 0x01040900, 0x09040100, 0x09040900, - 0x01050100, 0x01050900, 0x09050100, 0x09050900, - 0x01040010, 0x01040810, 0x09040010, 0x09040810, - 0x01050010, 0x01050810, 0x09050010, 0x09050810, - 0x01040010, 0x01040810, 0x09040010, 0x09040810, - 0x01050010, 0x01050810, 0x09050010, 0x09050810, - 0x01040110, 0x01040910, 0x09040110, 0x09040910, - 0x01050110, 0x01050910, 0x09050110, 0x09050910, - 0x01040110, 0x01040910, 0x09040110, 0x09040910, - 0x01050110, 0x01050910, 0x09050110, 0x09050910 - ]; - static $pc2mapc3 = [ - 0x00000000, 0x00000004, 0x00001000, 0x00001004, - 0x00000000, 0x00000004, 0x00001000, 0x00001004, - 0x10000000, 0x10000004, 0x10001000, 0x10001004, - 0x10000000, 0x10000004, 0x10001000, 0x10001004, - 0x00000020, 0x00000024, 0x00001020, 0x00001024, - 0x00000020, 0x00000024, 0x00001020, 0x00001024, - 0x10000020, 0x10000024, 0x10001020, 0x10001024, - 0x10000020, 0x10000024, 0x10001020, 0x10001024, - 0x00080000, 0x00080004, 0x00081000, 0x00081004, - 0x00080000, 0x00080004, 0x00081000, 0x00081004, - 0x10080000, 0x10080004, 0x10081000, 0x10081004, - 0x10080000, 0x10080004, 0x10081000, 0x10081004, - 0x00080020, 0x00080024, 0x00081020, 0x00081024, - 0x00080020, 0x00080024, 0x00081020, 0x00081024, - 0x10080020, 0x10080024, 0x10081020, 0x10081024, - 0x10080020, 0x10080024, 0x10081020, 0x10081024, - 0x20000000, 0x20000004, 0x20001000, 0x20001004, - 0x20000000, 0x20000004, 0x20001000, 0x20001004, - 0x30000000, 0x30000004, 0x30001000, 0x30001004, - 0x30000000, 0x30000004, 0x30001000, 0x30001004, - 0x20000020, 0x20000024, 0x20001020, 0x20001024, - 0x20000020, 0x20000024, 0x20001020, 0x20001024, - 0x30000020, 0x30000024, 0x30001020, 0x30001024, - 0x30000020, 0x30000024, 0x30001020, 0x30001024, - 0x20080000, 0x20080004, 0x20081000, 0x20081004, - 0x20080000, 0x20080004, 0x20081000, 0x20081004, - 0x30080000, 0x30080004, 0x30081000, 0x30081004, - 0x30080000, 0x30080004, 0x30081000, 0x30081004, - 0x20080020, 0x20080024, 0x20081020, 0x20081024, - 0x20080020, 0x20080024, 0x20081020, 0x20081024, - 0x30080020, 0x30080024, 0x30081020, 0x30081024, - 0x30080020, 0x30080024, 0x30081020, 0x30081024, - 0x00000002, 0x00000006, 0x00001002, 0x00001006, - 0x00000002, 0x00000006, 0x00001002, 0x00001006, - 0x10000002, 0x10000006, 0x10001002, 0x10001006, - 0x10000002, 0x10000006, 0x10001002, 0x10001006, - 0x00000022, 0x00000026, 0x00001022, 0x00001026, - 0x00000022, 0x00000026, 0x00001022, 0x00001026, - 0x10000022, 0x10000026, 0x10001022, 0x10001026, - 0x10000022, 0x10000026, 0x10001022, 0x10001026, - 0x00080002, 0x00080006, 0x00081002, 0x00081006, - 0x00080002, 0x00080006, 0x00081002, 0x00081006, - 0x10080002, 0x10080006, 0x10081002, 0x10081006, - 0x10080002, 0x10080006, 0x10081002, 0x10081006, - 0x00080022, 0x00080026, 0x00081022, 0x00081026, - 0x00080022, 0x00080026, 0x00081022, 0x00081026, - 0x10080022, 0x10080026, 0x10081022, 0x10081026, - 0x10080022, 0x10080026, 0x10081022, 0x10081026, - 0x20000002, 0x20000006, 0x20001002, 0x20001006, - 0x20000002, 0x20000006, 0x20001002, 0x20001006, - 0x30000002, 0x30000006, 0x30001002, 0x30001006, - 0x30000002, 0x30000006, 0x30001002, 0x30001006, - 0x20000022, 0x20000026, 0x20001022, 0x20001026, - 0x20000022, 0x20000026, 0x20001022, 0x20001026, - 0x30000022, 0x30000026, 0x30001022, 0x30001026, - 0x30000022, 0x30000026, 0x30001022, 0x30001026, - 0x20080002, 0x20080006, 0x20081002, 0x20081006, - 0x20080002, 0x20080006, 0x20081002, 0x20081006, - 0x30080002, 0x30080006, 0x30081002, 0x30081006, - 0x30080002, 0x30080006, 0x30081002, 0x30081006, - 0x20080022, 0x20080026, 0x20081022, 0x20081026, - 0x20080022, 0x20080026, 0x20081022, 0x20081026, - 0x30080022, 0x30080026, 0x30081022, 0x30081026, - 0x30080022, 0x30080026, 0x30081022, 0x30081026 - ]; - static $pc2mapc4 = [ - 0x00000000, 0x00100000, 0x00000008, 0x00100008, - 0x00000200, 0x00100200, 0x00000208, 0x00100208, - 0x00000000, 0x00100000, 0x00000008, 0x00100008, - 0x00000200, 0x00100200, 0x00000208, 0x00100208, - 0x04000000, 0x04100000, 0x04000008, 0x04100008, - 0x04000200, 0x04100200, 0x04000208, 0x04100208, - 0x04000000, 0x04100000, 0x04000008, 0x04100008, - 0x04000200, 0x04100200, 0x04000208, 0x04100208, - 0x00002000, 0x00102000, 0x00002008, 0x00102008, - 0x00002200, 0x00102200, 0x00002208, 0x00102208, - 0x00002000, 0x00102000, 0x00002008, 0x00102008, - 0x00002200, 0x00102200, 0x00002208, 0x00102208, - 0x04002000, 0x04102000, 0x04002008, 0x04102008, - 0x04002200, 0x04102200, 0x04002208, 0x04102208, - 0x04002000, 0x04102000, 0x04002008, 0x04102008, - 0x04002200, 0x04102200, 0x04002208, 0x04102208, - 0x00000000, 0x00100000, 0x00000008, 0x00100008, - 0x00000200, 0x00100200, 0x00000208, 0x00100208, - 0x00000000, 0x00100000, 0x00000008, 0x00100008, - 0x00000200, 0x00100200, 0x00000208, 0x00100208, - 0x04000000, 0x04100000, 0x04000008, 0x04100008, - 0x04000200, 0x04100200, 0x04000208, 0x04100208, - 0x04000000, 0x04100000, 0x04000008, 0x04100008, - 0x04000200, 0x04100200, 0x04000208, 0x04100208, - 0x00002000, 0x00102000, 0x00002008, 0x00102008, - 0x00002200, 0x00102200, 0x00002208, 0x00102208, - 0x00002000, 0x00102000, 0x00002008, 0x00102008, - 0x00002200, 0x00102200, 0x00002208, 0x00102208, - 0x04002000, 0x04102000, 0x04002008, 0x04102008, - 0x04002200, 0x04102200, 0x04002208, 0x04102208, - 0x04002000, 0x04102000, 0x04002008, 0x04102008, - 0x04002200, 0x04102200, 0x04002208, 0x04102208, - 0x00020000, 0x00120000, 0x00020008, 0x00120008, - 0x00020200, 0x00120200, 0x00020208, 0x00120208, - 0x00020000, 0x00120000, 0x00020008, 0x00120008, - 0x00020200, 0x00120200, 0x00020208, 0x00120208, - 0x04020000, 0x04120000, 0x04020008, 0x04120008, - 0x04020200, 0x04120200, 0x04020208, 0x04120208, - 0x04020000, 0x04120000, 0x04020008, 0x04120008, - 0x04020200, 0x04120200, 0x04020208, 0x04120208, - 0x00022000, 0x00122000, 0x00022008, 0x00122008, - 0x00022200, 0x00122200, 0x00022208, 0x00122208, - 0x00022000, 0x00122000, 0x00022008, 0x00122008, - 0x00022200, 0x00122200, 0x00022208, 0x00122208, - 0x04022000, 0x04122000, 0x04022008, 0x04122008, - 0x04022200, 0x04122200, 0x04022208, 0x04122208, - 0x04022000, 0x04122000, 0x04022008, 0x04122008, - 0x04022200, 0x04122200, 0x04022208, 0x04122208, - 0x00020000, 0x00120000, 0x00020008, 0x00120008, - 0x00020200, 0x00120200, 0x00020208, 0x00120208, - 0x00020000, 0x00120000, 0x00020008, 0x00120008, - 0x00020200, 0x00120200, 0x00020208, 0x00120208, - 0x04020000, 0x04120000, 0x04020008, 0x04120008, - 0x04020200, 0x04120200, 0x04020208, 0x04120208, - 0x04020000, 0x04120000, 0x04020008, 0x04120008, - 0x04020200, 0x04120200, 0x04020208, 0x04120208, - 0x00022000, 0x00122000, 0x00022008, 0x00122008, - 0x00022200, 0x00122200, 0x00022208, 0x00122208, - 0x00022000, 0x00122000, 0x00022008, 0x00122008, - 0x00022200, 0x00122200, 0x00022208, 0x00122208, - 0x04022000, 0x04122000, 0x04022008, 0x04122008, - 0x04022200, 0x04122200, 0x04022208, 0x04122208, - 0x04022000, 0x04122000, 0x04022008, 0x04122008, - 0x04022200, 0x04122200, 0x04022208, 0x04122208 - ]; - static $pc2mapd1 = [ - 0x00000000, 0x00000001, 0x08000000, 0x08000001, - 0x00200000, 0x00200001, 0x08200000, 0x08200001, - 0x00000002, 0x00000003, 0x08000002, 0x08000003, - 0x00200002, 0x00200003, 0x08200002, 0x08200003 - ]; - static $pc2mapd2 = [ - 0x00000000, 0x00100000, 0x00000800, 0x00100800, - 0x00000000, 0x00100000, 0x00000800, 0x00100800, - 0x04000000, 0x04100000, 0x04000800, 0x04100800, - 0x04000000, 0x04100000, 0x04000800, 0x04100800, - 0x00000004, 0x00100004, 0x00000804, 0x00100804, - 0x00000004, 0x00100004, 0x00000804, 0x00100804, - 0x04000004, 0x04100004, 0x04000804, 0x04100804, - 0x04000004, 0x04100004, 0x04000804, 0x04100804, - 0x00000000, 0x00100000, 0x00000800, 0x00100800, - 0x00000000, 0x00100000, 0x00000800, 0x00100800, - 0x04000000, 0x04100000, 0x04000800, 0x04100800, - 0x04000000, 0x04100000, 0x04000800, 0x04100800, - 0x00000004, 0x00100004, 0x00000804, 0x00100804, - 0x00000004, 0x00100004, 0x00000804, 0x00100804, - 0x04000004, 0x04100004, 0x04000804, 0x04100804, - 0x04000004, 0x04100004, 0x04000804, 0x04100804, - 0x00000200, 0x00100200, 0x00000A00, 0x00100A00, - 0x00000200, 0x00100200, 0x00000A00, 0x00100A00, - 0x04000200, 0x04100200, 0x04000A00, 0x04100A00, - 0x04000200, 0x04100200, 0x04000A00, 0x04100A00, - 0x00000204, 0x00100204, 0x00000A04, 0x00100A04, - 0x00000204, 0x00100204, 0x00000A04, 0x00100A04, - 0x04000204, 0x04100204, 0x04000A04, 0x04100A04, - 0x04000204, 0x04100204, 0x04000A04, 0x04100A04, - 0x00000200, 0x00100200, 0x00000A00, 0x00100A00, - 0x00000200, 0x00100200, 0x00000A00, 0x00100A00, - 0x04000200, 0x04100200, 0x04000A00, 0x04100A00, - 0x04000200, 0x04100200, 0x04000A00, 0x04100A00, - 0x00000204, 0x00100204, 0x00000A04, 0x00100A04, - 0x00000204, 0x00100204, 0x00000A04, 0x00100A04, - 0x04000204, 0x04100204, 0x04000A04, 0x04100A04, - 0x04000204, 0x04100204, 0x04000A04, 0x04100A04, - 0x00020000, 0x00120000, 0x00020800, 0x00120800, - 0x00020000, 0x00120000, 0x00020800, 0x00120800, - 0x04020000, 0x04120000, 0x04020800, 0x04120800, - 0x04020000, 0x04120000, 0x04020800, 0x04120800, - 0x00020004, 0x00120004, 0x00020804, 0x00120804, - 0x00020004, 0x00120004, 0x00020804, 0x00120804, - 0x04020004, 0x04120004, 0x04020804, 0x04120804, - 0x04020004, 0x04120004, 0x04020804, 0x04120804, - 0x00020000, 0x00120000, 0x00020800, 0x00120800, - 0x00020000, 0x00120000, 0x00020800, 0x00120800, - 0x04020000, 0x04120000, 0x04020800, 0x04120800, - 0x04020000, 0x04120000, 0x04020800, 0x04120800, - 0x00020004, 0x00120004, 0x00020804, 0x00120804, - 0x00020004, 0x00120004, 0x00020804, 0x00120804, - 0x04020004, 0x04120004, 0x04020804, 0x04120804, - 0x04020004, 0x04120004, 0x04020804, 0x04120804, - 0x00020200, 0x00120200, 0x00020A00, 0x00120A00, - 0x00020200, 0x00120200, 0x00020A00, 0x00120A00, - 0x04020200, 0x04120200, 0x04020A00, 0x04120A00, - 0x04020200, 0x04120200, 0x04020A00, 0x04120A00, - 0x00020204, 0x00120204, 0x00020A04, 0x00120A04, - 0x00020204, 0x00120204, 0x00020A04, 0x00120A04, - 0x04020204, 0x04120204, 0x04020A04, 0x04120A04, - 0x04020204, 0x04120204, 0x04020A04, 0x04120A04, - 0x00020200, 0x00120200, 0x00020A00, 0x00120A00, - 0x00020200, 0x00120200, 0x00020A00, 0x00120A00, - 0x04020200, 0x04120200, 0x04020A00, 0x04120A00, - 0x04020200, 0x04120200, 0x04020A00, 0x04120A00, - 0x00020204, 0x00120204, 0x00020A04, 0x00120A04, - 0x00020204, 0x00120204, 0x00020A04, 0x00120A04, - 0x04020204, 0x04120204, 0x04020A04, 0x04120A04, - 0x04020204, 0x04120204, 0x04020A04, 0x04120A04 - ]; - static $pc2mapd3 = [ - 0x00000000, 0x00010000, 0x02000000, 0x02010000, - 0x00000020, 0x00010020, 0x02000020, 0x02010020, - 0x00040000, 0x00050000, 0x02040000, 0x02050000, - 0x00040020, 0x00050020, 0x02040020, 0x02050020, - 0x00002000, 0x00012000, 0x02002000, 0x02012000, - 0x00002020, 0x00012020, 0x02002020, 0x02012020, - 0x00042000, 0x00052000, 0x02042000, 0x02052000, - 0x00042020, 0x00052020, 0x02042020, 0x02052020, - 0x00000000, 0x00010000, 0x02000000, 0x02010000, - 0x00000020, 0x00010020, 0x02000020, 0x02010020, - 0x00040000, 0x00050000, 0x02040000, 0x02050000, - 0x00040020, 0x00050020, 0x02040020, 0x02050020, - 0x00002000, 0x00012000, 0x02002000, 0x02012000, - 0x00002020, 0x00012020, 0x02002020, 0x02012020, - 0x00042000, 0x00052000, 0x02042000, 0x02052000, - 0x00042020, 0x00052020, 0x02042020, 0x02052020, - 0x00000010, 0x00010010, 0x02000010, 0x02010010, - 0x00000030, 0x00010030, 0x02000030, 0x02010030, - 0x00040010, 0x00050010, 0x02040010, 0x02050010, - 0x00040030, 0x00050030, 0x02040030, 0x02050030, - 0x00002010, 0x00012010, 0x02002010, 0x02012010, - 0x00002030, 0x00012030, 0x02002030, 0x02012030, - 0x00042010, 0x00052010, 0x02042010, 0x02052010, - 0x00042030, 0x00052030, 0x02042030, 0x02052030, - 0x00000010, 0x00010010, 0x02000010, 0x02010010, - 0x00000030, 0x00010030, 0x02000030, 0x02010030, - 0x00040010, 0x00050010, 0x02040010, 0x02050010, - 0x00040030, 0x00050030, 0x02040030, 0x02050030, - 0x00002010, 0x00012010, 0x02002010, 0x02012010, - 0x00002030, 0x00012030, 0x02002030, 0x02012030, - 0x00042010, 0x00052010, 0x02042010, 0x02052010, - 0x00042030, 0x00052030, 0x02042030, 0x02052030, - 0x20000000, 0x20010000, 0x22000000, 0x22010000, - 0x20000020, 0x20010020, 0x22000020, 0x22010020, - 0x20040000, 0x20050000, 0x22040000, 0x22050000, - 0x20040020, 0x20050020, 0x22040020, 0x22050020, - 0x20002000, 0x20012000, 0x22002000, 0x22012000, - 0x20002020, 0x20012020, 0x22002020, 0x22012020, - 0x20042000, 0x20052000, 0x22042000, 0x22052000, - 0x20042020, 0x20052020, 0x22042020, 0x22052020, - 0x20000000, 0x20010000, 0x22000000, 0x22010000, - 0x20000020, 0x20010020, 0x22000020, 0x22010020, - 0x20040000, 0x20050000, 0x22040000, 0x22050000, - 0x20040020, 0x20050020, 0x22040020, 0x22050020, - 0x20002000, 0x20012000, 0x22002000, 0x22012000, - 0x20002020, 0x20012020, 0x22002020, 0x22012020, - 0x20042000, 0x20052000, 0x22042000, 0x22052000, - 0x20042020, 0x20052020, 0x22042020, 0x22052020, - 0x20000010, 0x20010010, 0x22000010, 0x22010010, - 0x20000030, 0x20010030, 0x22000030, 0x22010030, - 0x20040010, 0x20050010, 0x22040010, 0x22050010, - 0x20040030, 0x20050030, 0x22040030, 0x22050030, - 0x20002010, 0x20012010, 0x22002010, 0x22012010, - 0x20002030, 0x20012030, 0x22002030, 0x22012030, - 0x20042010, 0x20052010, 0x22042010, 0x22052010, - 0x20042030, 0x20052030, 0x22042030, 0x22052030, - 0x20000010, 0x20010010, 0x22000010, 0x22010010, - 0x20000030, 0x20010030, 0x22000030, 0x22010030, - 0x20040010, 0x20050010, 0x22040010, 0x22050010, - 0x20040030, 0x20050030, 0x22040030, 0x22050030, - 0x20002010, 0x20012010, 0x22002010, 0x22012010, - 0x20002030, 0x20012030, 0x22002030, 0x22012030, - 0x20042010, 0x20052010, 0x22042010, 0x22052010, - 0x20042030, 0x20052030, 0x22042030, 0x22052030 - ]; - static $pc2mapd4 = [ - 0x00000000, 0x00000400, 0x01000000, 0x01000400, - 0x00000000, 0x00000400, 0x01000000, 0x01000400, - 0x00000100, 0x00000500, 0x01000100, 0x01000500, - 0x00000100, 0x00000500, 0x01000100, 0x01000500, - 0x10000000, 0x10000400, 0x11000000, 0x11000400, - 0x10000000, 0x10000400, 0x11000000, 0x11000400, - 0x10000100, 0x10000500, 0x11000100, 0x11000500, - 0x10000100, 0x10000500, 0x11000100, 0x11000500, - 0x00080000, 0x00080400, 0x01080000, 0x01080400, - 0x00080000, 0x00080400, 0x01080000, 0x01080400, - 0x00080100, 0x00080500, 0x01080100, 0x01080500, - 0x00080100, 0x00080500, 0x01080100, 0x01080500, - 0x10080000, 0x10080400, 0x11080000, 0x11080400, - 0x10080000, 0x10080400, 0x11080000, 0x11080400, - 0x10080100, 0x10080500, 0x11080100, 0x11080500, - 0x10080100, 0x10080500, 0x11080100, 0x11080500, - 0x00000008, 0x00000408, 0x01000008, 0x01000408, - 0x00000008, 0x00000408, 0x01000008, 0x01000408, - 0x00000108, 0x00000508, 0x01000108, 0x01000508, - 0x00000108, 0x00000508, 0x01000108, 0x01000508, - 0x10000008, 0x10000408, 0x11000008, 0x11000408, - 0x10000008, 0x10000408, 0x11000008, 0x11000408, - 0x10000108, 0x10000508, 0x11000108, 0x11000508, - 0x10000108, 0x10000508, 0x11000108, 0x11000508, - 0x00080008, 0x00080408, 0x01080008, 0x01080408, - 0x00080008, 0x00080408, 0x01080008, 0x01080408, - 0x00080108, 0x00080508, 0x01080108, 0x01080508, - 0x00080108, 0x00080508, 0x01080108, 0x01080508, - 0x10080008, 0x10080408, 0x11080008, 0x11080408, - 0x10080008, 0x10080408, 0x11080008, 0x11080408, - 0x10080108, 0x10080508, 0x11080108, 0x11080508, - 0x10080108, 0x10080508, 0x11080108, 0x11080508, - 0x00001000, 0x00001400, 0x01001000, 0x01001400, - 0x00001000, 0x00001400, 0x01001000, 0x01001400, - 0x00001100, 0x00001500, 0x01001100, 0x01001500, - 0x00001100, 0x00001500, 0x01001100, 0x01001500, - 0x10001000, 0x10001400, 0x11001000, 0x11001400, - 0x10001000, 0x10001400, 0x11001000, 0x11001400, - 0x10001100, 0x10001500, 0x11001100, 0x11001500, - 0x10001100, 0x10001500, 0x11001100, 0x11001500, - 0x00081000, 0x00081400, 0x01081000, 0x01081400, - 0x00081000, 0x00081400, 0x01081000, 0x01081400, - 0x00081100, 0x00081500, 0x01081100, 0x01081500, - 0x00081100, 0x00081500, 0x01081100, 0x01081500, - 0x10081000, 0x10081400, 0x11081000, 0x11081400, - 0x10081000, 0x10081400, 0x11081000, 0x11081400, - 0x10081100, 0x10081500, 0x11081100, 0x11081500, - 0x10081100, 0x10081500, 0x11081100, 0x11081500, - 0x00001008, 0x00001408, 0x01001008, 0x01001408, - 0x00001008, 0x00001408, 0x01001008, 0x01001408, - 0x00001108, 0x00001508, 0x01001108, 0x01001508, - 0x00001108, 0x00001508, 0x01001108, 0x01001508, - 0x10001008, 0x10001408, 0x11001008, 0x11001408, - 0x10001008, 0x10001408, 0x11001008, 0x11001408, - 0x10001108, 0x10001508, 0x11001108, 0x11001508, - 0x10001108, 0x10001508, 0x11001108, 0x11001508, - 0x00081008, 0x00081408, 0x01081008, 0x01081408, - 0x00081008, 0x00081408, 0x01081008, 0x01081408, - 0x00081108, 0x00081508, 0x01081108, 0x01081508, - 0x00081108, 0x00081508, 0x01081108, 0x01081508, - 0x10081008, 0x10081408, 0x11081008, 0x11081408, - 0x10081008, 0x10081408, 0x11081008, 0x11081408, - 0x10081108, 0x10081508, 0x11081108, 0x11081508, - 0x10081108, 0x10081508, 0x11081108, 0x11081508 - ]; - - $keys = []; - for ($des_round = 0; $des_round < $this->des_rounds; ++$des_round) { - // pad the key and remove extra characters as appropriate. - $key = str_pad(substr($this->key, $des_round * 8, 8), 8, "\0"); - - // Perform the PC/1 transformation and compute C and D. - $t = unpack('Nl/Nr', $key); - list($l, $r) = [$t['l'], $t['r']]; - $key = ($this->shuffle[$pc1map[ $r & 0xFF]] & "\x80\x80\x80\x80\x80\x80\x80\x00") | - ($this->shuffle[$pc1map[($r >> 8) & 0xFF]] & "\x40\x40\x40\x40\x40\x40\x40\x00") | - ($this->shuffle[$pc1map[($r >> 16) & 0xFF]] & "\x20\x20\x20\x20\x20\x20\x20\x00") | - ($this->shuffle[$pc1map[($r >> 24) & 0xFF]] & "\x10\x10\x10\x10\x10\x10\x10\x00") | - ($this->shuffle[$pc1map[ $l & 0xFF]] & "\x08\x08\x08\x08\x08\x08\x08\x00") | - ($this->shuffle[$pc1map[($l >> 8) & 0xFF]] & "\x04\x04\x04\x04\x04\x04\x04\x00") | - ($this->shuffle[$pc1map[($l >> 16) & 0xFF]] & "\x02\x02\x02\x02\x02\x02\x02\x00") | - ($this->shuffle[$pc1map[($l >> 24) & 0xFF]] & "\x01\x01\x01\x01\x01\x01\x01\x00"); - $key = unpack('Nc/Nd', $key); - $c = ( $key['c'] >> 4) & 0x0FFFFFFF; - $d = (($key['d'] >> 4) & 0x0FFFFFF0) | ($key['c'] & 0x0F); - - $keys[$des_round] = [ - self::ENCRYPT => [], - self::DECRYPT => array_fill(0, 32, 0) - ]; - for ($i = 0, $ki = 31; $i < 16; ++$i, $ki-= 2) { - $c <<= $shifts[$i]; - $c = ($c | ($c >> 28)) & 0x0FFFFFFF; - $d <<= $shifts[$i]; - $d = ($d | ($d >> 28)) & 0x0FFFFFFF; - - // Perform the PC-2 transformation. - $cp = $pc2mapc1[ $c >> 24 ] | $pc2mapc2[($c >> 16) & 0xFF] | - $pc2mapc3[($c >> 8) & 0xFF] | $pc2mapc4[ $c & 0xFF]; - $dp = $pc2mapd1[ $d >> 24 ] | $pc2mapd2[($d >> 16) & 0xFF] | - $pc2mapd3[($d >> 8) & 0xFF] | $pc2mapd4[ $d & 0xFF]; - - // Reorder: odd bytes/even bytes. Push the result in key schedule. - $val1 = ( $cp & 0xFF000000) | (($cp << 8) & 0x00FF0000) | - (($dp >> 16) & 0x0000FF00) | (($dp >> 8) & 0x000000FF); - $val2 = (($cp << 8) & 0xFF000000) | (($cp << 16) & 0x00FF0000) | - (($dp >> 8) & 0x0000FF00) | ( $dp & 0x000000FF); - $keys[$des_round][self::ENCRYPT][ ] = $val1; - $keys[$des_round][self::DECRYPT][$ki - 1] = $val1; - $keys[$des_round][self::ENCRYPT][ ] = $val2; - $keys[$des_round][self::DECRYPT][$ki ] = $val2; - } - } - - switch ($this->des_rounds) { - case 3: // 3DES keys - $this->keys = [ - self::ENCRYPT => array_merge( - $keys[0][self::ENCRYPT], - $keys[1][self::DECRYPT], - $keys[2][self::ENCRYPT] - ), - self::DECRYPT => array_merge( - $keys[2][self::DECRYPT], - $keys[1][self::ENCRYPT], - $keys[0][self::DECRYPT] - ) - ]; - break; - // case 1: // DES keys - default: - $this->keys = [ - self::ENCRYPT => $keys[0][self::ENCRYPT], - self::DECRYPT => $keys[0][self::DECRYPT] - ]; - } - } - - /** - * Setup the performance-optimized function for de/encrypt() - * - * @see \phpseclib\Crypt\Common\SymmetricKey::setupInlineCrypt() - * @access private - */ - protected function setupInlineCrypt() - { - // Engine configuration for: - // - DES ($des_rounds == 1) or - // - 3DES ($des_rounds == 3) - $des_rounds = $this->des_rounds; - - $init_crypt = 'static $sbox1, $sbox2, $sbox3, $sbox4, $sbox5, $sbox6, $sbox7, $sbox8, $shuffleip, $shuffleinvip; - if (!$sbox1) { - $sbox1 = array_map("intval", $this->sbox1); - $sbox2 = array_map("intval", $this->sbox2); - $sbox3 = array_map("intval", $this->sbox3); - $sbox4 = array_map("intval", $this->sbox4); - $sbox5 = array_map("intval", $this->sbox5); - $sbox6 = array_map("intval", $this->sbox6); - $sbox7 = array_map("intval", $this->sbox7); - $sbox8 = array_map("intval", $this->sbox8);' - /* Merge $shuffle with $[inv]ipmap */ . ' - for ($i = 0; $i < 256; ++$i) { - $shuffleip[] = $this->shuffle[$this->ipmap[$i]]; - $shuffleinvip[] = $this->shuffle[$this->invipmap[$i]]; - } - } - '; - - $k = [ - self::ENCRYPT => $this->keys[self::ENCRYPT], - self::DECRYPT => $this->keys[self::DECRYPT] - ]; - $init_encrypt = ''; - $init_decrypt = ''; - - // Creating code for en- and decryption. - $crypt_block = []; - foreach ([self::ENCRYPT, self::DECRYPT] as $c) { - /* Do the initial IP permutation. */ - $crypt_block[$c] = ' - $in = unpack("N*", $in); - $l = $in[1]; - $r = $in[2]; - $in = unpack("N*", - ($shuffleip[ $r & 0xFF] & "\x80\x80\x80\x80\x80\x80\x80\x80") | - ($shuffleip[($r >> 8) & 0xFF] & "\x40\x40\x40\x40\x40\x40\x40\x40") | - ($shuffleip[($r >> 16) & 0xFF] & "\x20\x20\x20\x20\x20\x20\x20\x20") | - ($shuffleip[($r >> 24) & 0xFF] & "\x10\x10\x10\x10\x10\x10\x10\x10") | - ($shuffleip[ $l & 0xFF] & "\x08\x08\x08\x08\x08\x08\x08\x08") | - ($shuffleip[($l >> 8) & 0xFF] & "\x04\x04\x04\x04\x04\x04\x04\x04") | - ($shuffleip[($l >> 16) & 0xFF] & "\x02\x02\x02\x02\x02\x02\x02\x02") | - ($shuffleip[($l >> 24) & 0xFF] & "\x01\x01\x01\x01\x01\x01\x01\x01") - ); - ' . /* Extract L0 and R0 */ ' - $l = $in[1]; - $r = $in[2]; - '; - - $l = '$l'; - $r = '$r'; - - // Perform DES or 3DES. - for ($ki = -1, $des_round = 0; $des_round < $des_rounds; ++$des_round) { - // Perform the 16 steps. - for ($i = 0; $i < 16; ++$i) { - // start of "the Feistel (F) function" - see the following URL: - // http://en.wikipedia.org/wiki/Image:Data_Encryption_Standard_InfoBox_Diagram.png - // Merge key schedule. - $crypt_block[$c].= ' - $b1 = ((' . $r . ' >> 3) & 0x1FFFFFFF) ^ (' . $r . ' << 29) ^ ' . $k[$c][++$ki] . '; - $b2 = ((' . $r . ' >> 31) & 0x00000001) ^ (' . $r . ' << 1) ^ ' . $k[$c][++$ki] . ';' . - /* S-box indexing. */ - $l . ' = $sbox1[($b1 >> 24) & 0x3F] ^ $sbox2[($b2 >> 24) & 0x3F] ^ - $sbox3[($b1 >> 16) & 0x3F] ^ $sbox4[($b2 >> 16) & 0x3F] ^ - $sbox5[($b1 >> 8) & 0x3F] ^ $sbox6[($b2 >> 8) & 0x3F] ^ - $sbox7[ $b1 & 0x3F] ^ $sbox8[ $b2 & 0x3F] ^ ' . $l . '; - '; - // end of "the Feistel (F) function" - - // swap L & R - list($l, $r) = [$r, $l]; - } - list($l, $r) = [$r, $l]; - } - - // Perform the inverse IP permutation. - $crypt_block[$c].= '$in = - ($shuffleinvip[($l >> 24) & 0xFF] & "\x80\x80\x80\x80\x80\x80\x80\x80") | - ($shuffleinvip[($r >> 24) & 0xFF] & "\x40\x40\x40\x40\x40\x40\x40\x40") | - ($shuffleinvip[($l >> 16) & 0xFF] & "\x20\x20\x20\x20\x20\x20\x20\x20") | - ($shuffleinvip[($r >> 16) & 0xFF] & "\x10\x10\x10\x10\x10\x10\x10\x10") | - ($shuffleinvip[($l >> 8) & 0xFF] & "\x08\x08\x08\x08\x08\x08\x08\x08") | - ($shuffleinvip[($r >> 8) & 0xFF] & "\x04\x04\x04\x04\x04\x04\x04\x04") | - ($shuffleinvip[ $l & 0xFF] & "\x02\x02\x02\x02\x02\x02\x02\x02") | - ($shuffleinvip[ $r & 0xFF] & "\x01\x01\x01\x01\x01\x01\x01\x01"); - '; - } - - // Creates the inline-crypt function - $this->inline_crypt = $this->createInlineCryptFunction( - [ - 'init_crypt' => $init_crypt, - 'init_encrypt' => $init_encrypt, - 'init_decrypt' => $init_decrypt, - 'encrypt_block' => $crypt_block[self::ENCRYPT], - 'decrypt_block' => $crypt_block[self::DECRYPT] - ] - ); - } -} diff --git a/lib/phpaes/phpseclib/Crypt/DSA.php b/lib/phpaes/phpseclib/Crypt/DSA.php deleted file mode 100644 index 9cbee43eb4..0000000000 --- a/lib/phpaes/phpseclib/Crypt/DSA.php +++ /dev/null @@ -1,500 +0,0 @@ - - * sign($plaintext, 'ASN1'); - * - * echo $publickey->verify($plaintext, $signature) ? 'verified' : 'unverified'; - * ?> - * - * - * @category Crypt - * @package DSA - * @author Jim Wigginton - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt; - -use ParagonIE\ConstantTime\Base64; -use phpseclib\File\ASN1; -use phpseclib\Math\BigInteger; -use phpseclib\Crypt\Common\AsymmetricKey; -use phpseclib\Common\Functions\Strings; - -/** - * Pure-PHP FIPS 186-4 compliant implementation of DSA. - * - * @package DSA - * @author Jim Wigginton - * @access public - */ -class DSA extends AsymmetricKey -{ - /** - * Algorithm Name - * - * @var string - * @access private - */ - const ALGORITHM = 'DSA'; - - /** - * DSA Prime P - * - * @var \phpseclib\Math\BigInteger - * @access private - */ - private $p; - - /** - * DSA Group Order q - * - * Prime divisor of p-1 - * - * @var \phpseclib\Math\BigInteger - * @access private - */ - protected $q; - - /** - * DSA Group Generator G - * - * @var \phpseclib\Math\BigInteger - * @access private - */ - private $g; - - /** - * DSA secret exponent x - * - * @var \phpseclib\Math\BigInteger - * @access private - */ - protected $x; - - /** - * DSA public key value y - * - * @var \phpseclib\Math\BigInteger - * @access private - */ - private $y; - - /** - * Parameters Format - * - * @var string - * @access private - */ - private $parametersFormat = 'PKCS1'; - - /** - * Create DSA parameters - * - * @access public - * @param int $L - * @param int $N - * @return \phpseclib\Crypt\DSA - */ - static function createParameters($L = 2048, $N = 224) - { - self::initialize_static_variables(); - - switch (true) { - case $N == 160: - /* - in FIPS 186-1 and 186-2 N was fixed at 160 whereas K had an upper bound of 1024. - RFC 4253 (SSH Transport Layer Protocol) references FIPS 186-2 and as such most - SSH DSA implementations only support keys with an N of 160. - puttygen let's you set the size of L (but not the size of N) and uses 2048 as the - default L value. that's not really compliant with any of the FIPS standards, however, - for the purposes of maintaining compatibility with puttygen, we'll support it - */ - //case ($L >= 512 || $L <= 1024) && (($L & 0x3F) == 0) && $N == 160: - // FIPS 186-3 changed this as follows: - //case $L == 1024 && $N == 160: - case $L == 2048 && $N == 224: - case $L == 2048 && $N == 256: - case $L == 3072 && $N == 256: - break; - default: - return false; - } - - $two = new BigInteger(2); - - $q = BigInteger::randomPrime($N); - $divisor = $q->multiply($two); - - do { - $x = BigInteger::random($L); - list(, $c) = $x->divide($divisor); - $p = $x->subtract($c->subtract(self::$one)); - } while ($p->getLength() != $L || !$p->isPrime()); - - $p_1 = $p->subtract(self::$one); - list($e) = $p_1->divide($q); - - // quoting http://nvlpubs.nist.gov/nistpubs/FIPS/NIST.FIPS.186-4.pdf#page=50 , - // "h could be obtained from a random number generator or from a counter that - // changes after each use". PuTTY (sshdssg.c) starts h off at 1 and increments - // it on each loop. wikipedia says "commonly h = 2 is used" so we'll just do that - $h = clone $two; - while (true) { - $g = $h->powMod($e, $p); - if (!$g->equals(self::$one)) { - break; - } - $h = $h->add(self::$one); - } - - $dsa = new DSA(); - $dsa->p = $p; - $dsa->q = $q; - $dsa->g = $g; - - return $dsa; - } - - /** - * Create public / private key pair. - * - * This method is a bit polymorphic. It can take a DSA object (eg. pre-loaded with parameters), - * L / N as two distinct parameters or no parameters (at which point L and N will be generated - * with this method) - * - * Returns an array with the following two elements: - * - 'privatekey': The private key. - * - 'publickey': The public key. - * - * @access public - * @return \phpseclib\Crypt\DSA - */ - static function createKey() - { - self::initialize_static_variables(); - - $args = func_get_args(); - if (count($args) == 2 && is_int($args[0]) && is_int($args[1])) { - $private = self::createParameters($args[0], $args[1]); - } else if (count($args) == 1 && $args[0] instanceof DSA) { - $private = clone $args[0]; - } else if (!count($args)) { - $private = self::createParameters(); - } else { - throw new \InvalidArgumentException('Valid parameters are either two integers (L and N), a single DSA object or no parameters at all.'); - } - - $private->x = BigInteger::randomRange(self::$one, $private->q->subtract(self::$one)); - $private->y = $private->g->powMod($private->x, $private->p); - - $public = clone $private; - unset($public->x); - - return ['privatekey' => $private, 'publickey' => $public]; - } - - /** - * Loads a public or private key - * - * Returns true on success and false on failure (ie. an incorrect password was provided or the key was malformed) - * - * @access public - * @param string $key - * @param int $type optional - */ - public function load($key, $type = false) - { - if ($key instanceof DSA) { - $this->privateKeyFormat = $key->privateKeyFormat; - $this->publicKeyFormat = $key->publicKeyFormat; - $this->format = $key->format; - $this->p = $key->p; - $this->q = $key->q; - $this->g = $key->g; - $this->x = $key->x; - $this->y = $key->y; - $this->parametersFormat = $key->parametersFormat; - - return true; - } - - $components = parent::load($key, $type); - if ($components === false) { - return false; - } - - if (isset($components['p'])) { - switch (true) { - case isset($this->p) && !$this->p->equals($components['p']): - case isset($this->q) && !$this->q->equals($components['q']): - case isset($this->g) && !$this->g->equals($components['g']): - $this->x = $this->y = null; - } - - $this->p = $components['p']; - $this->q = $components['q']; - $this->g = $components['g']; - } - - if (isset($components['x'])) { - $this->x = $components['x']; - } - - if (isset($components['y'])) { - $this->y = $components['y']; - } - //} else if (isset($components['x'])) { - // $this->y = $this->g->powMod($this->x, $this->p); - //} - - return true; - } - - /** - * Returns the key size - * - * More specifically, this L (the length of DSA Prime P) and N (the length of DSA Group Order q) - * - * @access public - * @return array - */ - public function getLength() - { - return isset($this->p) ? - ['L' => $this->p->getLength(), 'N' => $this->q->getLength()] : - ['L' => 0, 'N' => 0]; - } - - /** - * __toString() magic method - * - * @access public - * @return string - */ - public function __toString() - { - $key = parent::__toString(); - if (!empty($key)) { - return $key; - } - - try { - $key = $this->getParameters($this->parametersFormat); - return is_string($key) ? $key : ''; - } catch (\Exception $e) { - return ''; - } - } - - /** - * Returns the private key - * - * PKCS1 DSA private keys contain x and y. PKCS8 DSA private keys just contain x - * but y can be derived from x. - * - * @see self::getPublicKey() - * @access public - * @param string $type optional - * @return mixed - */ - public function getPrivateKey($type = 'PKCS8') - { - $type = self::validatePlugin('Keys', $type, 'savePrivateKey'); - if ($type === false) { - return false; - } - - if (!isset($this->x)) { - return false; - } - - if (!isset($this->y)) { - $this->y = $this->g->powMod($this->x, $this->p); - } - - return $type::savePrivateKey($this->p, $this->q, $this->g, $this->y, $this->x, $this->password); - } - - /** - * Returns the public key - * - * If you do "openssl rsa -in private.rsa -pubout -outform PEM" you get a PKCS8 formatted key - * that contains a publicKeyAlgorithm AlgorithmIdentifier and a publicKey BIT STRING. - * An AlgorithmIdentifier contains an OID and a parameters field. With RSA public keys this - * parameters field is NULL. With DSA PKCS8 public keys it is not - it contains the p, q and g - * variables. The publicKey BIT STRING contains, simply, the y variable. This can be verified - * by getting a DSA PKCS8 public key: - * - * "openssl dsa -in private.dsa -pubout -outform PEM" - * - * ie. just swap out rsa with dsa in the rsa command above. - * - * A PKCS1 public key corresponds to the publicKey portion of the PKCS8 key. In the case of RSA - * the publicKey portion /is/ the key. In the case of DSA it is not. You cannot verify a signature - * without the parameters and the PKCS1 DSA public key format does not include the parameters. - * - * @see self::getPrivateKey() - * @access public - * @param string $type optional - * @return mixed - */ - public function getPublicKey($type = 'PKCS8') - { - $type = self::validatePlugin('Keys', $type, 'savePublicKey'); - if ($type === false) { - return false; - } - - if (!isset($this->y)) { - if (!isset($this->x) || !isset($this->p)) { - return false; - } - $this->y = $this->g->powMod($this->x, $this->p); - } - - return $type::savePublicKey($this->p, $this->q, $this->g, $this->y); - } - - /** - * Returns the parameters - * - * A public / private key is only returned if the currently loaded "key" contains an x or y - * value. - * - * @see self::getPublicKey() - * @see self::getPrivateKey() - * @access public - * @param string $type optional - * @return mixed - */ - public function getParameters($type = 'PKCS1') - { - $type = self::validatePlugin('Keys', $type, 'saveParameters'); - if ($type === false) { - return false; - } - - if (!isset($this->p) || !isset($this->q) || !isset($this->g)) { - return false; - } - - return $type::saveParameters($this->p, $this->q, $this->g); - } - - /** - * Create a signature - * - * @see self::verify() - * @access public - * @param string $message - * @param string $format optional - * @return mixed - */ - function sign($message, $format = 'Raw') - { - $format = self::validatePlugin('Signature', $format); - if ($format === false) { - return false; - } - - if (empty($this->x) || empty($this->p)) { - return false; - } - - while (true) { - $k = BigInteger::randomRange(self::$one, $this->q->subtract(self::$one)); - $r = $this->g->powMod($k, $this->p); - list(, $r) = $r->divide($this->q); - if ($r->equals(self::$zero)) { - continue; - } - $kinv = $k->modInverse($this->q); - $h = $this->hash->hash($message); - $h = $this->bits2int($h); - $temp = $h->add($this->x->multiply($r)); - $temp = $kinv->multiply($temp); - list(, $s) = $temp->divide($this->q); - if (!$s->equals(self::$zero)) { - break; - } - } - - // the following is an RFC6979 compliant implementation of deterministic DSA - // it's unused because it's mainly intended for use when a good CSPRNG isn't - // available. if phpseclib's CSPRNG isn't good then even key generation is - // suspect - /* - $h1 = $this->hash->hash($message); - $k = $this->computek($h1); - $r = $this->g->powMod($k, $this->p); - list(, $r) = $r->divide($this->q); - $kinv = $k->modInverse($this->q); - $h1 = $this->bits2int($h1); - $temp = $h1->add($this->x->multiply($r)); - $temp = $kinv->multiply($temp); - list(, $s) = $temp->divide($this->q); - */ - - return $format::save($r, $s); - } - - /** - * Verify a signature - * - * @see self::verify() - * @access public - * @param string $message - * @param string $format optional - * @return mixed - */ - function verify($message, $signature, $format = 'Raw') - { - $format = self::validatePlugin('Signature', $format); - if ($format === false) { - return false; - } - - $params = $format::load($signature); - if ($params === false || count($params) != 2) { - return false; - } - extract($params); - - if (empty($this->y) || empty($this->p)) { - return false; - } - - $q_1 = $this->q->subtract(self::$one); - if (!$r->between(self::$one, $q_1) || !$s->between(self::$one, $q_1)) { - return false; - } - - $w = $s->modInverse($this->q); - $h = $this->hash->hash($message); - $h = $this->bits2int($h); - list(, $u1) = $h->multiply($w)->divide($this->q); - list(, $u2) = $r->multiply($w)->divide($this->q); - $v1 = $this->g->powMod($u1, $this->p); - $v2 = $this->y->powMod($u2, $this->p); - list(, $v) = $v1->multiply($v2)->divide($this->p); - list(, $v) = $v->divide($this->q); - - return Strings::equals($v->toBytes(), $r->toBytes()); - } -} \ No newline at end of file diff --git a/lib/phpaes/phpseclib/Crypt/DSA/Keys/OpenSSH.php b/lib/phpaes/phpseclib/Crypt/DSA/Keys/OpenSSH.php deleted file mode 100644 index 6458ba358b..0000000000 --- a/lib/phpaes/phpseclib/Crypt/DSA/Keys/OpenSSH.php +++ /dev/null @@ -1,92 +0,0 @@ - - * @copyright 2015 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt\DSA\Keys; - -use ParagonIE\ConstantTime\Base64; -use phpseclib\Math\BigInteger; -use phpseclib\Common\Functions\Strings; -use phpseclib\Crypt\Common\Keys\OpenSSH as Progenitor; - -/** - * OpenSSH Formatted DSA Key Handler - * - * @package DSA - * @author Jim Wigginton - * @access public - */ -abstract class OpenSSH extends Progenitor -{ - /** - * Break a public or private key down into its constituent components - * - * @access public - * @param string $key - * @param string $password optional - * @return array - */ - public static function load($key, $password = '') - { - $key = parent::load($key, 'ssh-dss'); - if ($key === false) { - return false; - } - - $result = Strings::unpackSSH2('iiii', $key); - if ($result === false) { - return false; - } - list($p, $q, $g, $y) = $result; - - $comment = parent::getComment($key); - - return compact('p', 'q', 'g', 'y', 'comment'); - } - - /** - * Convert a public key to the appropriate format - * - * @access public - * @param \phpseclib\Math\BigInteger $p - * @param \phpseclib\Math\BigInteger $q - * @param \phpseclib\Math\BigInteger $g - * @param \phpseclib\Math\BigInteger $y - * @return string - */ - public static function savePublicKey(BigInteger $p, BigInteger $q, BigInteger $g, BigInteger $y) - { - if ($q->getLength() != 160) { - throw new \InvalidArgumentException('SSH only supports keys with an N (length of Group Order q) of 160'); - } - - // from : - // string "ssh-dss" - // mpint p - // mpint q - // mpint g - // mpint y - $DSAPublicKey = Strings::packSSH2('siiii', 'ssh-dss', $p, $q, $g, $y); - - if (self::$binary) { - return $DSAPublicKey; - } - - $DSAPublicKey = 'ssh-dss ' . Base64::encode($DSAPublicKey) . ' ' . self::$comment; - - return $DSAPublicKey; - } -} diff --git a/lib/phpaes/phpseclib/Crypt/DSA/Keys/PKCS1.php b/lib/phpaes/phpseclib/Crypt/DSA/Keys/PKCS1.php deleted file mode 100644 index 7a3920ba8b..0000000000 --- a/lib/phpaes/phpseclib/Crypt/DSA/Keys/PKCS1.php +++ /dev/null @@ -1,149 +0,0 @@ - - * @copyright 2015 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt\DSA\Keys; - -use phpseclib\Math\BigInteger; -use phpseclib\Crypt\Common\Keys\PKCS1 as Progenitor; -use phpseclib\File\ASN1; -use phpseclib\File\ASN1\Maps; -use ParagonIE\ConstantTime\Base64; - -/** - * PKCS#1 Formatted RSA Key Handler - * - * @package RSA - * @author Jim Wigginton - * @access public - */ -abstract class PKCS1 extends Progenitor -{ - /** - * Break a public or private key down into its constituent components - * - * @access public - * @param string $key - * @param string $password optional - * @return array - */ - public static function load($key, $password = '') - { - if (!is_string($key)) { - return false; - } - - $key = parent::load($key, $password); - if ($key === false) { - return false; - } - - $decoded = ASN1::decodeBER($key); - if (empty($decoded)) { - return false; - } - - $key = ASN1::asn1map($decoded[0], Maps\DSAParams::MAP); - if (is_array($key)) { - return $key; - } - - $key = ASN1::asn1map($decoded[0], Maps\DSAPrivateKey::MAP); - if (is_array($key)) { - return $key; - } - - $key = ASN1::asn1map($decoded[0], Maps\DSAPublicKey::MAP); - return is_array($key) ? $key : false; - } - - /** - * Convert DSA parameters to the appropriate format - * - * @access public - * @param \phpseclib\Math\BigInteger $p - * @param \phpseclib\Math\BigInteger $q - * @param \phpseclib\Math\BigInteger $g - * @return string - */ - public static function saveParameters(BigInteger $p, BigInteger $q, BigInteger $g) - { - $key = [ - 'p' => $p, - 'q' => $q, - 'g' => $g - ]; - - $key = ASN1::encodeDER($key, Maps\DSAParams::MAP); - - return "-----BEGIN DSA PARAMETERS-----\r\n" . - chunk_split(Base64::encode($key), 64) . - "-----END DSA PARAMETERS-----\r\n"; - } - - /** - * Convert a private key to the appropriate format. - * - * @access public - * @param \phpseclib\Math\BigInteger $p - * @param \phpseclib\Math\BigInteger $q - * @param \phpseclib\Math\BigInteger $g - * @param \phpseclib\Math\BigInteger $x - * @param \phpseclib\Math\BigInteger $y - * @param string $password optional - * @return string - */ - public static function savePrivateKey(BigInteger $p, BigInteger $q, BigInteger $g, BigInteger $y, BigInteger $x, $password = '') - { - $key = [ - 'version' => 0, - 'p' => $p, - 'q' => $q, - 'g' => $g, - 'y' => $y, - 'x' => $x - ]; - - $key = ASN1::encodeDER($key, Maps\DSAPrivateKey::MAP); - - return self::wrapPrivateKey($key, 'DSA', $password); - } - - /** - * Convert a public key to the appropriate format - * - * @access public - * @param \phpseclib\Math\BigInteger $p - * @param \phpseclib\Math\BigInteger $q - * @param \phpseclib\Math\BigInteger $g - * @param \phpseclib\Math\BigInteger $y - * @return string - */ - public static function savePublicKey(BigInteger $p, BigInteger $q, BigInteger $g, BigInteger $y) - { - $key = ASN1::encodeDER($y, Maps\DSAPublicKey::MAP); - - return self::wrapPublicKey($key, 'DSA'); - } -} diff --git a/lib/phpaes/phpseclib/Crypt/DSA/Keys/PKCS8.php b/lib/phpaes/phpseclib/Crypt/DSA/Keys/PKCS8.php deleted file mode 100644 index 1415175aa1..0000000000 --- a/lib/phpaes/phpseclib/Crypt/DSA/Keys/PKCS8.php +++ /dev/null @@ -1,169 +0,0 @@ - - * @copyright 2015 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt\DSA\Keys; - -use phpseclib\Math\BigInteger; -use phpseclib\Crypt\Common\Keys\PKCS8 as Progenitor; -use phpseclib\File\ASN1; -use phpseclib\File\ASN1\Maps; - -/** - * PKCS#8 Formatted DSA Key Handler - * - * @package DSA - * @author Jim Wigginton - * @access public - */ -abstract class PKCS8 extends Progenitor -{ - /** - * OID Name - * - * @var string - * @access private - */ - const OID_NAME = 'id-dsa'; - - /** - * OID Value - * - * @var string - * @access private - */ - const OID_VALUE = '1.2.840.10040.4.1'; - - /** - * Child OIDs loaded - * - * @var bool - * @access private - */ - protected static $childOIDsLoaded = false; - - /** - * Break a public or private key down into its constituent components - * - * @access public - * @param string $key - * @param string $password optional - * @return array - */ - public static function load($key, $password = '') - { - if (!is_string($key)) { - return false; - } - - $isPublic = strpos($key, 'PUBLIC') !== false; - - $key = parent::load($key, $password); - if ($key === false) { - return false; - } - - $type = isset($key['privateKey']) ? 'privateKey' : 'publicKey'; - - switch (true) { - case !$isPublic && $type == 'publicKey': - case $isPublic && $type == 'privateKey': - return false; - } - - $decoded = ASN1::decodeBER($key[$type . 'Algorithm']['parameters']->element); - if (empty($decoded)) { - return false; - } - $components = ASN1::asn1map($decoded[0], Maps\DSAParams::MAP); - if (!is_array($components)) { - return false; - } - - $decoded = ASN1::decodeBER($key[$type]); - if (empty($decoded)) { - return false; - } - - $var = $type == 'privateKey' ? 'x' : 'y'; - $components[$var] = ASN1::asn1map($decoded[0], Maps\DSAPublicKey::MAP); - if (!$components[$var] instanceof BigInteger) { - return false; - } - - if (isset($key['meta'])) { - $components['meta'] = $key['meta']; - } - - return $components; - } - - /** - * Convert a private key to the appropriate format. - * - * @access public - * @param \phpseclib\Math\BigInteger $p - * @param \phpseclib\Math\BigInteger $q - * @param \phpseclib\Math\BigInteger $g - * @param \phpseclib\Math\BigInteger $x - * @param \phpseclib\Math\BigInteger $y - * @param string $password optional - * @return string - */ - public static function savePrivateKey(BigInteger $p, BigInteger $q, BigInteger $g, BigInteger $y, BigInteger $x, $password = '') - { - $params = [ - 'p' => $p, - 'q' => $q, - 'g' => $g - ]; - $params = ASN1::encodeDER($params, Maps\DSAParams::MAP); - $params = new ASN1\Element($params); - $key = ASN1::encodeDER($x, Maps\DSAPublicKey::MAP); - return self::wrapPrivateKey($key, [], $params, $password); - } - - /** - * Convert a public key to the appropriate format - * - * @access public - * @param \phpseclib\Math\BigInteger $p - * @param \phpseclib\Math\BigInteger $q - * @param \phpseclib\Math\BigInteger $g - * @param \phpseclib\Math\BigInteger $y - * @return string - */ - public static function savePublicKey(BigInteger $p, BigInteger $q, BigInteger $g, BigInteger $y) - { - $params = [ - 'p' => $p, - 'q' => $q, - 'g' => $g - ]; - $params = ASN1::encodeDER($params, Maps\DSAParams::MAP); - $params = new ASN1\Element($params); - $key = ASN1::encodeDER($y, Maps\DSAPublicKey::MAP); - return self::wrapPublicKey($key, $params); - } -} diff --git a/lib/phpaes/phpseclib/Crypt/DSA/Keys/PuTTY.php b/lib/phpaes/phpseclib/Crypt/DSA/Keys/PuTTY.php deleted file mode 100644 index 7b2976313c..0000000000 --- a/lib/phpaes/phpseclib/Crypt/DSA/Keys/PuTTY.php +++ /dev/null @@ -1,129 +0,0 @@ - 160 kinda useless, hence this handlers not supporting such keys. - * - * PHP version 5 - * - * @category Crypt - * @package DSA - * @author Jim Wigginton - * @copyright 2015 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt\DSA\Keys; - -use phpseclib\Math\BigInteger; -use phpseclib\Common\Functions\Strings; -use phpseclib\Crypt\Common\Keys\PuTTY as Progenitor; - -/** - * PuTTY Formatted DSA Key Handler - * - * @package RSA - * @author Jim Wigginton - * @access public - */ -abstract class PuTTY extends Progenitor -{ - /** - * Public Handler - * - * @var string - * @access private - */ - const PUBLIC_HANDLER = 'phpseclib\Crypt\DSA\Keys\OpenSSH'; - - /** - * Algorithm Identifier - * - * @var string - * @access private - */ - const TYPE = 'ssh-dss'; - - /** - * Break a public or private key down into its constituent components - * - * @access public - * @param string $key - * @param string $password optional - * @return array - */ - public static function load($key, $password = '') - { - $components = parent::load($key, $password); - if ($components === false || !isset($components['private'])) { - return $components; - } - extract($components); - unset($components['public'], $components['private']); - - $result = Strings::unpackSSH2('iiii', $public); - if ($result === false) { - return false; - } - list($p, $q, $g, $y) = $result; - - $result = Strings::unpackSSH2('i', $private); - if ($result === false) { - return false; - } - list($x) = $result; - - return compact('p', 'q', 'g', 'y', 'x', 'comment'); - } - - /** - * Convert a private key to the appropriate format. - * - * @access public - * @param \phpseclib\Math\BigInteger $p - * @param \phpseclib\Math\BigInteger $q - * @param \phpseclib\Math\BigInteger $g - * @param \phpseclib\Math\BigInteger $y - * @param \phpseclib\Math\BigInteger $x - * @param array $primes - * @param array $exponents - * @param array $coefficients - * @param string $password optional - * @return string - */ - public static function savePrivateKey(BigInteger $p, BigInteger $q, BigInteger $g, BigInteger $y, BigInteger $x, $password = '') - { - if ($q->getLength() != 160) { - throw new \InvalidArgumentException('SSH only supports keys with an N (length of Group Order q) of 160'); - } - - $public = Strings::packSSH2('iiii', $p, $q, $g, $y); - $private = Strings::packSSH2('i', $x); - - return self::wrapPrivateKey($public, $private, $password); - } - - /** - * Convert a public key to the appropriate format - * - * @access public - * @param \phpseclib\Math\BigInteger $p - * @param \phpseclib\Math\BigInteger $q - * @param \phpseclib\Math\BigInteger $g - * @param \phpseclib\Math\BigInteger $y - * @return string - */ - public static function savePublicKey(BigInteger $p, BigInteger $q, BigInteger $g, BigInteger $y) - { - if ($q->getLength() != 160) { - throw new \InvalidArgumentException('SSH only supports keys with an N (length of Group Order q) of 160'); - } - - return self::wrapPublicKey(Strings::packSSH2('iiii', $p, $q, $g, $y)); - } -} diff --git a/lib/phpaes/phpseclib/Crypt/DSA/Keys/Raw.php b/lib/phpaes/phpseclib/Crypt/DSA/Keys/Raw.php deleted file mode 100644 index 18d0b03a68..0000000000 --- a/lib/phpaes/phpseclib/Crypt/DSA/Keys/Raw.php +++ /dev/null @@ -1,95 +0,0 @@ - - * @copyright 2015 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt\DSA\Keys; - -use phpseclib\Math\BigInteger; - -/** - * Raw DSA Key Handler - * - * @package DSA - * @author Jim Wigginton - * @access public - */ -abstract class Raw -{ - /** - * Break a public or private key down into its constituent components - * - * @access public - * @param array $key - * @param string $password optional - * @return array - */ - public static function load($key, $password = '') - { - if (!is_array($key)) { - return false; - } - - switch (true) { - case !isset($key['p']) || !isset($key['q']) || !isset($key['g']): - case !$key['p'] instanceof BigInteger: - case !$key['q'] instanceof BigInteger: - case !$key['g'] instanceof BigInteger: - case !isset($key['x']) && !isset($key['y']): - case isset($key['x']) && !$key['x'] instanceof BigInteger: - case isset($key['y']) && !$key['y'] instanceof BigInteger: - return false; - } - - $options = ['p' => 1, 'q' => 1, 'g' => 1, 'x' => 1, 'y' => 1]; - - return array_intersect_key($key, $options); - } - - /** - * Convert a private key to the appropriate format. - * - * @access public - * @param \phpseclib\Math\BigInteger $p - * @param \phpseclib\Math\BigInteger $q - * @param \phpseclib\Math\BigInteger $g - * @param \phpseclib\Math\BigInteger $y - * @param \phpseclib\Math\BigInteger $x - * @param array $primes - * @param array $exponents - * @param array $coefficients - * @param string $password optional - * @return string - */ - public static function savePrivateKey(BigInteger $p, BigInteger $q, BigInteger $g, BigInteger $y, BigInteger $x, $password = '') - { - return compact('p', 'q', 'g', 'y', 'x'); - } - - /** - * Convert a public key to the appropriate format - * - * @access public - * @param \phpseclib\Math\BigInteger $p - * @param \phpseclib\Math\BigInteger $q - * @param \phpseclib\Math\BigInteger $g - * @param \phpseclib\Math\BigInteger $y - * @return string - */ - public static function savePublicKey(BigInteger $p, BigInteger $q, BigInteger $g, BigInteger $y) - { - return compact('p', 'q', 'g', 'y'); - } -} diff --git a/lib/phpaes/phpseclib/Crypt/DSA/Keys/XML.php b/lib/phpaes/phpseclib/Crypt/DSA/Keys/XML.php deleted file mode 100644 index f750a589d7..0000000000 --- a/lib/phpaes/phpseclib/Crypt/DSA/Keys/XML.php +++ /dev/null @@ -1,129 +0,0 @@ - - * @copyright 2015 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt\DSA\Keys; - -use ParagonIE\ConstantTime\Base64; -use phpseclib\Math\BigInteger; - -/** - * XML Formatted DSA Key Handler - * - * @package DSA - * @author Jim Wigginton - * @access public - */ -abstract class XML -{ - /** - * Break a public or private key down into its constituent components - * - * @access public - * @param string $key - * @param string $password optional - * @return array - */ - public static function load($key, $password = '') - { - if (!is_string($key)) { - return false; - } - - $use_errors = libxml_use_internal_errors(true); - - $dom = new \DOMDocument(); - if (!$dom->loadXML('' . $key . '')) { - return false; - } - $xpath = new \DOMXPath($dom); - $keys = ['p', 'q', 'g', 'y', 'j', 'seed', 'pgencounter']; - foreach ($keys as $key) { - // $dom->getElementsByTagName($key) is case-sensitive - $temp = $xpath->query("//*[translate(local-name(), 'ABCDEFGHIJKLMNOPQRSTUVWXYZ','abcdefghijklmnopqrstuvwxyz')='$key']"); - if (!$temp->length) { - continue; - } - $value = new BigInteger(Base64::decode($temp->item(0)->nodeValue), 256); - switch ($key) { - case 'p': // a prime modulus meeting the [DSS] requirements - // Parameters P, Q, and G can be public and common to a group of users. They might be known - // from application context. As such, they are optional but P and Q must either both appear - // or both be absent - $components['p'] = $value; - break; - case 'q': // an integer in the range 2**159 < Q < 2**160 which is a prime divisor of P-1 - $components['q'] = $value; - break; - case 'g': // an integer with certain properties with respect to P and Q - $components['g'] = $value; - break; - case 'y': // G**X mod P (where X is part of the private key and not made public) - $components['y'] = $value; - // the remaining options do not do anything - case 'j': // (P - 1) / Q - // Parameter J is available for inclusion solely for efficiency as it is calculatable from - // P and Q - case 'seed': // a DSA prime generation seed - // Parameters seed and pgenCounter are used in the DSA prime number generation algorithm - // specified in [DSS]. As such, they are optional but must either both be present or both - // be absent - case 'pgencounter': // a DSA prime generation counter - } - } - - libxml_use_internal_errors($use_errors); - - if (!isset($components['y'])) { - return false; - } - - switch (true) { - case !isset($components['p']): - case !isset($components['q']): - case !isset($components['g']): - return ['y' => $components['y']]; - } - - return $components; - } - - /** - * Convert a public key to the appropriate format - * - * See https://www.w3.org/TR/xmldsig-core/#sec-DSAKeyValue - * - * @access public - * @param \phpseclib\Math\BigInteger $p - * @param \phpseclib\Math\BigInteger $q - * @param \phpseclib\Math\BigInteger $g - * @param \phpseclib\Math\BigInteger $y - * @return string - */ - public static function savePublicKey(BigInteger $p, BigInteger $q, BigInteger $g, BigInteger $y) - { - return "\r\n" . - '

' . Base64::encode($p->toBytes()) . "

\r\n" . - ' ' . Base64::encode($q->toBytes()) . "\r\n" . - ' ' . Base64::encode($g->toBytes()) . "\r\n" . - ' ' . Base64::encode($y->toBytes()) . "\r\n" . - ''; - } -} diff --git a/lib/phpaes/phpseclib/Crypt/DSA/Signature/PKCS.php b/lib/phpaes/phpseclib/Crypt/DSA/Signature/PKCS.php deleted file mode 100644 index fa09e54a6e..0000000000 --- a/lib/phpaes/phpseclib/Crypt/DSA/Signature/PKCS.php +++ /dev/null @@ -1,68 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt\DSA\Signature; - -use phpseclib\Math\BigInteger; -use phpseclib\File\ASN1; -use phpseclib\File\ASN1\Maps; - -/** - * PKCS Signature Handler - * - * @package Common - * @author Jim Wigginton - * @access public - */ -abstract class PKCS -{ - /** - * Loads a signature - * - * @access public - * @param array $key - * @return array - */ - public static function load($sig) - { - if (!is_string($sig)) { - return false; - } - - $decoded = ASN1::decodeBER($sig); - if (empty($decoded)) { - return false; - } - $components = ASN1::asn1map($decoded[0], Maps\DssSigValue::MAP); - - return $components; - } - - /** - * Returns a signature in the appropriate format - * - * @access public - * @param \phpseclib\Math\BigInteger $r - * @param \phpseclib\Math\BigInteger $s - * @return string - */ - public static function save(BigInteger $r, BigInteger $s) - { - return ASN1::encodeDER(compact('r', 's'), Maps\DssSigValue::MAP); - } -} diff --git a/lib/phpaes/phpseclib/Crypt/DSA/Signature/Raw.php b/lib/phpaes/phpseclib/Crypt/DSA/Signature/Raw.php deleted file mode 100644 index 03f20ca49d..0000000000 --- a/lib/phpaes/phpseclib/Crypt/DSA/Signature/Raw.php +++ /dev/null @@ -1,29 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt\DSA\Signature; - -use phpseclib\Crypt\Common\Signature\Raw as Progenitor; - -/** - * Raw DSA Signature Handler - * - * @package DSA - * @author Jim Wigginton - * @access public - */ -abstract class Raw extends Progenitor -{ -} diff --git a/lib/phpaes/phpseclib/Crypt/DSA/Signature/SSH2.php b/lib/phpaes/phpseclib/Crypt/DSA/Signature/SSH2.php deleted file mode 100644 index 0e781b3585..0000000000 --- a/lib/phpaes/phpseclib/Crypt/DSA/Signature/SSH2.php +++ /dev/null @@ -1,75 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt\DSA\Signature; - -use phpseclib\Math\BigInteger; -use phpseclib\Common\Functions\Strings; - -/** - * SSH2 Signature Handler - * - * @package Common - * @author Jim Wigginton - * @access public - */ -abstract class SSH2 -{ - /** - * Loads a signature - * - * @access public - * @param array $key - * @return array - */ - public static function load($sig) - { - if (!is_string($sig)) { - return false; - } - - $result = Strings::unpackSSH2('ss', $sig); - if ($result === false) { - return false; - } - list($type, $blob) = $result; - if ($type != 'ssh-dss' || strlen($blob) != 40) { - return false; - } - - return [ - 'r' => new BigInteger(substr($blob, 0, 20), 256), - 's' => new BigInteger(substr($blob, 20), 256) - ]; - } - - /** - * Returns a signature in the appropriate format - * - * @access public - * @param \phpseclib\Math\BigInteger $r - * @param \phpseclib\Math\BigInteger $s - * @return string - */ - public static function save(BigInteger $r, BigInteger $s) - { - if ($r->getLength() != 160 || $s->getLength != 160) { - return false; - } - return Strings::pack('ss', $r, $s); - } -} diff --git a/lib/phpaes/phpseclib/Crypt/Hash.php b/lib/phpaes/phpseclib/Crypt/Hash.php deleted file mode 100644 index 54d4664803..0000000000 --- a/lib/phpaes/phpseclib/Crypt/Hash.php +++ /dev/null @@ -1,483 +0,0 @@ - - * setKey('abcdefg'); - * - * echo base64_encode($hash->hash('abcdefg')); - * ?> - * - * - * @category Crypt - * @package Hash - * @author Jim Wigginton - * @copyright 2015 Jim Wigginton - * @author Andreas Fischer - * @copyright 2015 Andreas Fischer - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt; - -use phpseclib\Math\BigInteger; -use phpseclib\Exception\UnsupportedAlgorithmException; -use phpseclib\Common\Functions\Strings; - -/** - * @package Hash - * @author Jim Wigginton - * @author Andreas Fischer - * @access public - */ -class Hash -{ - /** - * Hash Parameter - * - * @see self::setHash() - * @var int - * @access private - */ - private $hashParam; - - /** - * Byte-length of hash output (Internal HMAC) - * - * @see self::setHash() - * @var int - * @access private - */ - private $length; - - /** - * Hash Algorithm - * - * @see self::setHash() - * @var string - * @access private - */ - private $hash; - - /** - * Key - * - * @see self::setKey() - * @var string - * @access private - */ - private $key = false; - - /** - * Initial Hash - * - * Used only for sha512/* - * - * @see self::_sha512() - * @var array - * @access private - */ - private $initial = false; - - /** - * Outer XOR (Internal HMAC) - * - * Used only for sha512/* - * - * @see self::hash() - * @var string - * @access private - */ - private $opad; - - /** - * Inner XOR (Internal HMAC) - * - * Used only for sha512/* - * - * @see self::hash() - * @var string - * @access private - */ - private $ipad; - - /** - * Default Constructor. - * - * @param string $hash - * @access public - */ - public function __construct($hash = 'sha256') - { - $this->setHash($hash); - - $this->ipad = str_repeat(chr(0x36), 128); - $this->opad = str_repeat(chr(0x5C), 128); - } - - /** - * Sets the key for HMACs - * - * Keys can be of any length. - * - * @access public - * @param string $key - */ - public function setKey($key = false) - { - $this->key = $key; - } - - /** - * Gets the hash function. - * - * As set by the constructor or by the setHash() method. - * - * @access public - * @return string - */ - public function getHash() - { - return $this->hashParam; - } - - /** - * Sets the hash function. - * - * @access public - * @param string $hash - */ - public function setHash($hash) - { - $this->hashParam = $hash = strtolower($hash); - switch ($hash) { - case 'md2-96': - case 'md5-96': - case 'sha1-96': - case 'sha224-96': - case 'sha256-96': - case 'sha384-96': - case 'sha512-96': - case 'sha512/224-96': - case 'sha512/256-96': - $hash = substr($hash, 0, -3); - $this->length = 12; // 96 / 8 = 12 - break; - case 'md2': - case 'md5': - $this->length = 16; - break; - case 'sha1': - $this->length = 20; - break; - case 'sha224': - case 'sha512/224': - $this->length = 28; - break; - case 'sha256': - case 'sha512/256': - $this->length = 32; - break; - case 'sha384': - $this->length = 48; - break; - case 'sha512': - $this->length = 64; - break; - default: - throw new UnsupportedAlgorithmException( - "$hash is not a supported algorithm" - ); - } - - switch ($hash) { - case 'md2-96': - case 'md5-96': - case 'sha1-96': - case 'sha224-96': - case 'sha256-96': - case 'md2': - case 'md5': - case 'sha1': - case 'sha224': - case 'sha256': - $this->blockSize = 512; - break; - default: - $this->blockSize = 1024; - } - - if ($hash == 'sha512/224' || $hash == 'sha512/256') { - // from http://csrc.nist.gov/publications/fips/fips180-4/fips-180-4.pdf#page=24 - $this->initial = $hash == 'sha512/256' ? - array( - '22312194FC2BF72C', '9F555FA3C84C64C2', '2393B86B6F53B151', '963877195940EABD', - '96283EE2A88EFFE3', 'BE5E1E2553863992', '2B0199FC2C85B8AA', '0EB72DDC81C52CA2' - ) : - array( - '8C3D37C819544DA2', '73E1996689DCD4D6', '1DFAB7AE32FF9C82', '679DD514582F9FCF', - '0F6D2B697BD44DA8', '77E36F7304C48942', '3F9D85A86A1D36C8', '1112E6AD91D692A1' - ); - for ($i = 0; $i < 8; $i++) { - $this->initial[$i] = new BigInteger($this->initial[$i], 16); - $this->initial[$i]->setPrecision(64); - } - } - - $this->hash = $hash; - } - - /** - * Compute the HMAC. - * - * @access public - * @param string $text - * @return string - */ - public function hash($text) - { - switch ($this->hash) { - case 'sha512/224': - case 'sha512/256': - if (empty($this->key) || !is_string($this->key)) { - return substr(self::_sha512($text, $this->initial), 0, $this->length); - } - /* "Applications that use keys longer than B bytes will first hash the key using H and then use the - resultant L byte string as the actual key to HMAC." - - -- http://tools.ietf.org/html/rfc2104#section-2 */ - $key = strlen($this->key) > $this->b ? self::_sha512($this->key, $this->initial) : $this->key; - - $key = str_pad($this->key, 128, chr(0)); // step 1 - $temp = $this->ipad ^ $this->key; // step 2 - $temp .= $text; // step 3 - $temp = self::_sha512($temp, $this->initial); // step 4 - $output = $this->opad ^ $this->key; // step 5 - $output.= $temp; // step 6 - $output = self::_sha512($output, $this->initial); // step 7 - - return substr($output, 0, $this->length); - } - $output = !empty($this->key) || is_string($this->key) ? - hash_hmac($this->hash, $text, $this->key, true) : - hash($this->hash, $text, true); - - return strlen($output) > $this->length - ? substr($output, 0, $this->length) - : $output; - } - - /** - * Returns the hash length (in bits) - * - * @access public - * @return int - */ - public function getLength() - { - return $this->length << 3; - } - - /** - * Returns the hash length (in bytes) - * - * @access public - * @return int - */ - public function getLengthInBytes() - { - return $this->length; - } - - /** - * Returns the block length (in bits) - * - * @access public - * @return int - */ - public function getBlockLength() - { - return $this->blockSize; - } - - /** - * Returns the block length (in bytes) - * - * @access public - * @return int - */ - public function getBlockLengthInBytes() - { - return $this->blockSize >> 3; - } - - /** - * Pure-PHP implementation of SHA512 - * - * @access private - * @param string $m - */ - private static function _sha512($m, $hash) - { - static $k; - - if (!isset($k)) { - // Initialize table of round constants - // (first 64 bits of the fractional parts of the cube roots of the first 80 primes 2..409) - $k = array( - '428a2f98d728ae22', '7137449123ef65cd', 'b5c0fbcfec4d3b2f', 'e9b5dba58189dbbc', - '3956c25bf348b538', '59f111f1b605d019', '923f82a4af194f9b', 'ab1c5ed5da6d8118', - 'd807aa98a3030242', '12835b0145706fbe', '243185be4ee4b28c', '550c7dc3d5ffb4e2', - '72be5d74f27b896f', '80deb1fe3b1696b1', '9bdc06a725c71235', 'c19bf174cf692694', - 'e49b69c19ef14ad2', 'efbe4786384f25e3', '0fc19dc68b8cd5b5', '240ca1cc77ac9c65', - '2de92c6f592b0275', '4a7484aa6ea6e483', '5cb0a9dcbd41fbd4', '76f988da831153b5', - '983e5152ee66dfab', 'a831c66d2db43210', 'b00327c898fb213f', 'bf597fc7beef0ee4', - 'c6e00bf33da88fc2', 'd5a79147930aa725', '06ca6351e003826f', '142929670a0e6e70', - '27b70a8546d22ffc', '2e1b21385c26c926', '4d2c6dfc5ac42aed', '53380d139d95b3df', - '650a73548baf63de', '766a0abb3c77b2a8', '81c2c92e47edaee6', '92722c851482353b', - 'a2bfe8a14cf10364', 'a81a664bbc423001', 'c24b8b70d0f89791', 'c76c51a30654be30', - 'd192e819d6ef5218', 'd69906245565a910', 'f40e35855771202a', '106aa07032bbd1b8', - '19a4c116b8d2d0c8', '1e376c085141ab53', '2748774cdf8eeb99', '34b0bcb5e19b48a8', - '391c0cb3c5c95a63', '4ed8aa4ae3418acb', '5b9cca4f7763e373', '682e6ff3d6b2b8a3', - '748f82ee5defb2fc', '78a5636f43172f60', '84c87814a1f0ab72', '8cc702081a6439ec', - '90befffa23631e28', 'a4506cebde82bde9', 'bef9a3f7b2c67915', 'c67178f2e372532b', - 'ca273eceea26619c', 'd186b8c721c0c207', 'eada7dd6cde0eb1e', 'f57d4f7fee6ed178', - '06f067aa72176fba', '0a637dc5a2c898a6', '113f9804bef90dae', '1b710b35131c471b', - '28db77f523047d84', '32caab7b40c72493', '3c9ebe0a15c9bebc', '431d67c49c100d4c', - '4cc5d4becb3e42b6', '597f299cfc657e2a', '5fcb6fab3ad6faec', '6c44198c4a475817' - ); - - for ($i = 0; $i < 80; $i++) { - $k[$i] = new BigInteger($k[$i], 16); - } - } - - // Pre-processing - $length = strlen($m); - // to round to nearest 112 mod 128, we'll add 128 - (length + (128 - 112)) % 128 - $m.= str_repeat(chr(0), 128 - (($length + 16) & 0x7F)); - $m[$length] = chr(0x80); - // we don't support hashing strings 512MB long - $m.= pack('N4', 0, 0, 0, $length << 3); - - // Process the message in successive 1024-bit chunks - $chunks = str_split($m, 128); - foreach ($chunks as $chunk) { - $w = array(); - for ($i = 0; $i < 16; $i++) { - $temp = new BigInteger(Strings::shift($chunk, 8), 256); - $temp->setPrecision(64); - $w[] = $temp; - } - - // Extend the sixteen 32-bit words into eighty 32-bit words - for ($i = 16; $i < 80; $i++) { - $temp = array( - $w[$i - 15]->bitwise_rightRotate(1), - $w[$i - 15]->bitwise_rightRotate(8), - $w[$i - 15]->bitwise_rightShift(7) - ); - $s0 = $temp[0]->bitwise_xor($temp[1]); - $s0 = $s0->bitwise_xor($temp[2]); - $temp = array( - $w[$i - 2]->bitwise_rightRotate(19), - $w[$i - 2]->bitwise_rightRotate(61), - $w[$i - 2]->bitwise_rightShift(6) - ); - $s1 = $temp[0]->bitwise_xor($temp[1]); - $s1 = $s1->bitwise_xor($temp[2]); - $w[$i] = clone $w[$i - 16]; - $w[$i] = $w[$i]->add($s0); - $w[$i] = $w[$i]->add($w[$i - 7]); - $w[$i] = $w[$i]->add($s1); - } - - // Initialize hash value for this chunk - $a = clone $hash[0]; - $b = clone $hash[1]; - $c = clone $hash[2]; - $d = clone $hash[3]; - $e = clone $hash[4]; - $f = clone $hash[5]; - $g = clone $hash[6]; - $h = clone $hash[7]; - - // Main loop - for ($i = 0; $i < 80; $i++) { - $temp = array( - $a->bitwise_rightRotate(28), - $a->bitwise_rightRotate(34), - $a->bitwise_rightRotate(39) - ); - $s0 = $temp[0]->bitwise_xor($temp[1]); - $s0 = $s0->bitwise_xor($temp[2]); - $temp = array( - $a->bitwise_and($b), - $a->bitwise_and($c), - $b->bitwise_and($c) - ); - $maj = $temp[0]->bitwise_xor($temp[1]); - $maj = $maj->bitwise_xor($temp[2]); - $t2 = $s0->add($maj); - - $temp = array( - $e->bitwise_rightRotate(14), - $e->bitwise_rightRotate(18), - $e->bitwise_rightRotate(41) - ); - $s1 = $temp[0]->bitwise_xor($temp[1]); - $s1 = $s1->bitwise_xor($temp[2]); - $temp = array( - $e->bitwise_and($f), - $g->bitwise_and($e->bitwise_not()) - ); - $ch = $temp[0]->bitwise_xor($temp[1]); - $t1 = $h->add($s1); - $t1 = $t1->add($ch); - $t1 = $t1->add($k[$i]); - $t1 = $t1->add($w[$i]); - - $h = clone $g; - $g = clone $f; - $f = clone $e; - $e = $d->add($t1); - $d = clone $c; - $c = clone $b; - $b = clone $a; - $a = $t1->add($t2); - } - - // Add this chunk's hash to result so far - $hash = array( - $hash[0]->add($a), - $hash[1]->add($b), - $hash[2]->add($c), - $hash[3]->add($d), - $hash[4]->add($e), - $hash[5]->add($f), - $hash[6]->add($g), - $hash[7]->add($h) - ); - } - - // Produce the final hash value (big-endian) - // (\phpseclib\Crypt\Hash::hash() trims the output for hashes but not for HMACs. as such, we trim the output here) - $temp = $hash[0]->toBytes() . $hash[1]->toBytes() . $hash[2]->toBytes() . $hash[3]->toBytes() . - $hash[4]->toBytes() . $hash[5]->toBytes() . $hash[6]->toBytes() . $hash[7]->toBytes(); - - return $temp; - } -} diff --git a/lib/phpaes/phpseclib/Crypt/RC2.php b/lib/phpaes/phpseclib/Crypt/RC2.php deleted file mode 100644 index 8854be5115..0000000000 --- a/lib/phpaes/phpseclib/Crypt/RC2.php +++ /dev/null @@ -1,665 +0,0 @@ - - * setKey('abcdefgh'); - * - * $plaintext = str_repeat('a', 1024); - * - * echo $rc2->decrypt($rc2->encrypt($plaintext)); - * ?> - * - * - * @category Crypt - * @package RC2 - * @author Patrick Monnerat - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt; - -use phpseclib\Crypt\Common\BlockCipher; - -/** - * Pure-PHP implementation of RC2. - * - * @package RC2 - * @access public - */ -class RC2 extends BlockCipher -{ - /** - * Block Length of the cipher - * - * @see \phpseclib\Crypt\Common\SymmetricKey::block_size - * @var int - * @access private - */ - protected $block_size = 8; - - /** - * The Key - * - * @see \phpseclib\Crypt\Common\SymmetricKey::key - * @see self::setKey() - * @var string - * @access private - */ - protected $key; - - /** - * The Original (unpadded) Key - * - * @see \phpseclib\Crypt\Common\SymmetricKey::key - * @see self::setKey() - * @see self::encrypt() - * @see self::decrypt() - * @var string - * @access private - */ - private $orig_key; - - /** - * Don't truncate / null pad key - * - * @see \phpseclib\Crypt\Common\SymmetricKey::clearBuffers() - * @var bool - * @access private - */ - private $skip_key_adjustment = true; - - /** - * Key Length (in bytes) - * - * @see \phpseclib\Crypt\RC2::setKeyLength() - * @var int - * @access private - */ - protected $key_length = 16; // = 128 bits - - /** - * The mcrypt specific name of the cipher - * - * @see \phpseclib\Crypt\Common\SymmetricKey::cipher_name_mcrypt - * @var string - * @access private - */ - protected $cipher_name_mcrypt = 'rc2'; - - /** - * Optimizing value while CFB-encrypting - * - * @see \phpseclib\Crypt\Common\SymmetricKey::cfb_init_len - * @var int - * @access private - */ - protected $cfb_init_len = 500; - - /** - * The key length in bits. - * - * @see self::setKeyLength() - * @see self::setKey() - * @var int - * @access private - * @internal Should be in range [1..1024]. - * @internal Changing this value after setting the key has no effect. - */ - private $default_key_length = 1024; - - /** - * The key length in bits. - * - * @see self::isValidEnine() - * @see self::setKey() - * @var int - * @access private - * @internal Should be in range [1..1024]. - */ - private $current_key_length; - - /** - * The Key Schedule - * - * @see self::setupKey() - * @var array - * @access private - */ - private $keys; - - /** - * Key expansion randomization table. - * Twice the same 256-value sequence to save a modulus in key expansion. - * - * @see self::setKey() - * @var array - * @access private - */ - private $pitable = [ - 0xD9, 0x78, 0xF9, 0xC4, 0x19, 0xDD, 0xB5, 0xED, - 0x28, 0xE9, 0xFD, 0x79, 0x4A, 0xA0, 0xD8, 0x9D, - 0xC6, 0x7E, 0x37, 0x83, 0x2B, 0x76, 0x53, 0x8E, - 0x62, 0x4C, 0x64, 0x88, 0x44, 0x8B, 0xFB, 0xA2, - 0x17, 0x9A, 0x59, 0xF5, 0x87, 0xB3, 0x4F, 0x13, - 0x61, 0x45, 0x6D, 0x8D, 0x09, 0x81, 0x7D, 0x32, - 0xBD, 0x8F, 0x40, 0xEB, 0x86, 0xB7, 0x7B, 0x0B, - 0xF0, 0x95, 0x21, 0x22, 0x5C, 0x6B, 0x4E, 0x82, - 0x54, 0xD6, 0x65, 0x93, 0xCE, 0x60, 0xB2, 0x1C, - 0x73, 0x56, 0xC0, 0x14, 0xA7, 0x8C, 0xF1, 0xDC, - 0x12, 0x75, 0xCA, 0x1F, 0x3B, 0xBE, 0xE4, 0xD1, - 0x42, 0x3D, 0xD4, 0x30, 0xA3, 0x3C, 0xB6, 0x26, - 0x6F, 0xBF, 0x0E, 0xDA, 0x46, 0x69, 0x07, 0x57, - 0x27, 0xF2, 0x1D, 0x9B, 0xBC, 0x94, 0x43, 0x03, - 0xF8, 0x11, 0xC7, 0xF6, 0x90, 0xEF, 0x3E, 0xE7, - 0x06, 0xC3, 0xD5, 0x2F, 0xC8, 0x66, 0x1E, 0xD7, - 0x08, 0xE8, 0xEA, 0xDE, 0x80, 0x52, 0xEE, 0xF7, - 0x84, 0xAA, 0x72, 0xAC, 0x35, 0x4D, 0x6A, 0x2A, - 0x96, 0x1A, 0xD2, 0x71, 0x5A, 0x15, 0x49, 0x74, - 0x4B, 0x9F, 0xD0, 0x5E, 0x04, 0x18, 0xA4, 0xEC, - 0xC2, 0xE0, 0x41, 0x6E, 0x0F, 0x51, 0xCB, 0xCC, - 0x24, 0x91, 0xAF, 0x50, 0xA1, 0xF4, 0x70, 0x39, - 0x99, 0x7C, 0x3A, 0x85, 0x23, 0xB8, 0xB4, 0x7A, - 0xFC, 0x02, 0x36, 0x5B, 0x25, 0x55, 0x97, 0x31, - 0x2D, 0x5D, 0xFA, 0x98, 0xE3, 0x8A, 0x92, 0xAE, - 0x05, 0xDF, 0x29, 0x10, 0x67, 0x6C, 0xBA, 0xC9, - 0xD3, 0x00, 0xE6, 0xCF, 0xE1, 0x9E, 0xA8, 0x2C, - 0x63, 0x16, 0x01, 0x3F, 0x58, 0xE2, 0x89, 0xA9, - 0x0D, 0x38, 0x34, 0x1B, 0xAB, 0x33, 0xFF, 0xB0, - 0xBB, 0x48, 0x0C, 0x5F, 0xB9, 0xB1, 0xCD, 0x2E, - 0xC5, 0xF3, 0xDB, 0x47, 0xE5, 0xA5, 0x9C, 0x77, - 0x0A, 0xA6, 0x20, 0x68, 0xFE, 0x7F, 0xC1, 0xAD, - 0xD9, 0x78, 0xF9, 0xC4, 0x19, 0xDD, 0xB5, 0xED, - 0x28, 0xE9, 0xFD, 0x79, 0x4A, 0xA0, 0xD8, 0x9D, - 0xC6, 0x7E, 0x37, 0x83, 0x2B, 0x76, 0x53, 0x8E, - 0x62, 0x4C, 0x64, 0x88, 0x44, 0x8B, 0xFB, 0xA2, - 0x17, 0x9A, 0x59, 0xF5, 0x87, 0xB3, 0x4F, 0x13, - 0x61, 0x45, 0x6D, 0x8D, 0x09, 0x81, 0x7D, 0x32, - 0xBD, 0x8F, 0x40, 0xEB, 0x86, 0xB7, 0x7B, 0x0B, - 0xF0, 0x95, 0x21, 0x22, 0x5C, 0x6B, 0x4E, 0x82, - 0x54, 0xD6, 0x65, 0x93, 0xCE, 0x60, 0xB2, 0x1C, - 0x73, 0x56, 0xC0, 0x14, 0xA7, 0x8C, 0xF1, 0xDC, - 0x12, 0x75, 0xCA, 0x1F, 0x3B, 0xBE, 0xE4, 0xD1, - 0x42, 0x3D, 0xD4, 0x30, 0xA3, 0x3C, 0xB6, 0x26, - 0x6F, 0xBF, 0x0E, 0xDA, 0x46, 0x69, 0x07, 0x57, - 0x27, 0xF2, 0x1D, 0x9B, 0xBC, 0x94, 0x43, 0x03, - 0xF8, 0x11, 0xC7, 0xF6, 0x90, 0xEF, 0x3E, 0xE7, - 0x06, 0xC3, 0xD5, 0x2F, 0xC8, 0x66, 0x1E, 0xD7, - 0x08, 0xE8, 0xEA, 0xDE, 0x80, 0x52, 0xEE, 0xF7, - 0x84, 0xAA, 0x72, 0xAC, 0x35, 0x4D, 0x6A, 0x2A, - 0x96, 0x1A, 0xD2, 0x71, 0x5A, 0x15, 0x49, 0x74, - 0x4B, 0x9F, 0xD0, 0x5E, 0x04, 0x18, 0xA4, 0xEC, - 0xC2, 0xE0, 0x41, 0x6E, 0x0F, 0x51, 0xCB, 0xCC, - 0x24, 0x91, 0xAF, 0x50, 0xA1, 0xF4, 0x70, 0x39, - 0x99, 0x7C, 0x3A, 0x85, 0x23, 0xB8, 0xB4, 0x7A, - 0xFC, 0x02, 0x36, 0x5B, 0x25, 0x55, 0x97, 0x31, - 0x2D, 0x5D, 0xFA, 0x98, 0xE3, 0x8A, 0x92, 0xAE, - 0x05, 0xDF, 0x29, 0x10, 0x67, 0x6C, 0xBA, 0xC9, - 0xD3, 0x00, 0xE6, 0xCF, 0xE1, 0x9E, 0xA8, 0x2C, - 0x63, 0x16, 0x01, 0x3F, 0x58, 0xE2, 0x89, 0xA9, - 0x0D, 0x38, 0x34, 0x1B, 0xAB, 0x33, 0xFF, 0xB0, - 0xBB, 0x48, 0x0C, 0x5F, 0xB9, 0xB1, 0xCD, 0x2E, - 0xC5, 0xF3, 0xDB, 0x47, 0xE5, 0xA5, 0x9C, 0x77, - 0x0A, 0xA6, 0x20, 0x68, 0xFE, 0x7F, 0xC1, 0xAD - ]; - - /** - * Inverse key expansion randomization table. - * - * @see self::setKey() - * @var array - * @access private - */ - private $invpitable = [ - 0xD1, 0xDA, 0xB9, 0x6F, 0x9C, 0xC8, 0x78, 0x66, - 0x80, 0x2C, 0xF8, 0x37, 0xEA, 0xE0, 0x62, 0xA4, - 0xCB, 0x71, 0x50, 0x27, 0x4B, 0x95, 0xD9, 0x20, - 0x9D, 0x04, 0x91, 0xE3, 0x47, 0x6A, 0x7E, 0x53, - 0xFA, 0x3A, 0x3B, 0xB4, 0xA8, 0xBC, 0x5F, 0x68, - 0x08, 0xCA, 0x8F, 0x14, 0xD7, 0xC0, 0xEF, 0x7B, - 0x5B, 0xBF, 0x2F, 0xE5, 0xE2, 0x8C, 0xBA, 0x12, - 0xE1, 0xAF, 0xB2, 0x54, 0x5D, 0x59, 0x76, 0xDB, - 0x32, 0xA2, 0x58, 0x6E, 0x1C, 0x29, 0x64, 0xF3, - 0xE9, 0x96, 0x0C, 0x98, 0x19, 0x8D, 0x3E, 0x26, - 0xAB, 0xA5, 0x85, 0x16, 0x40, 0xBD, 0x49, 0x67, - 0xDC, 0x22, 0x94, 0xBB, 0x3C, 0xC1, 0x9B, 0xEB, - 0x45, 0x28, 0x18, 0xD8, 0x1A, 0x42, 0x7D, 0xCC, - 0xFB, 0x65, 0x8E, 0x3D, 0xCD, 0x2A, 0xA3, 0x60, - 0xAE, 0x93, 0x8A, 0x48, 0x97, 0x51, 0x15, 0xF7, - 0x01, 0x0B, 0xB7, 0x36, 0xB1, 0x2E, 0x11, 0xFD, - 0x84, 0x2D, 0x3F, 0x13, 0x88, 0xB3, 0x34, 0x24, - 0x1B, 0xDE, 0xC5, 0x1D, 0x4D, 0x2B, 0x17, 0x31, - 0x74, 0xA9, 0xC6, 0x43, 0x6D, 0x39, 0x90, 0xBE, - 0xC3, 0xB0, 0x21, 0x6B, 0xF6, 0x0F, 0xD5, 0x99, - 0x0D, 0xAC, 0x1F, 0x5C, 0x9E, 0xF5, 0xF9, 0x4C, - 0xD6, 0xDF, 0x89, 0xE4, 0x8B, 0xFF, 0xC7, 0xAA, - 0xE7, 0xED, 0x46, 0x25, 0xB6, 0x06, 0x5E, 0x35, - 0xB5, 0xEC, 0xCE, 0xE8, 0x6C, 0x30, 0x55, 0x61, - 0x4A, 0xFE, 0xA0, 0x79, 0x03, 0xF0, 0x10, 0x72, - 0x7C, 0xCF, 0x52, 0xA6, 0xA7, 0xEE, 0x44, 0xD3, - 0x9A, 0x57, 0x92, 0xD0, 0x5A, 0x7A, 0x41, 0x7F, - 0x0E, 0x00, 0x63, 0xF2, 0x4F, 0x05, 0x83, 0xC9, - 0xA1, 0xD4, 0xDD, 0xC4, 0x56, 0xF4, 0xD2, 0x77, - 0x81, 0x09, 0x82, 0x33, 0x9F, 0x07, 0x86, 0x75, - 0x38, 0x4E, 0x69, 0xF1, 0xAD, 0x23, 0x73, 0x87, - 0x70, 0x02, 0xC2, 0x1E, 0xB8, 0x0A, 0xFC, 0xE6 - ]; - - /** - * Default Constructor. - * - * @param int $mode - * @access public - * @throws \InvalidArgumentException if an invalid / unsupported mode is provided - */ - public function __construct($mode) - { - if ($mode == self::MODE_STREAM) { - throw new \InvalidArgumentException('Block ciphers cannot be ran in stream mode'); - } - - parent::__construct($mode); - } - - /** - * Test for engine validity - * - * This is mainly just a wrapper to set things up for \phpseclib\Crypt\Common\SymmetricKey::isValidEngine() - * - * @see \phpseclib\Crypt\Common\SymmetricKey::__construct() - * @param int $engine - * @access public - * @return bool - */ - public function isValidEngine($engine) - { - switch ($engine) { - case self::ENGINE_OPENSSL: - if ($this->current_key_length != 128 || strlen($this->orig_key) < 16) { - return false; - } - $this->cipher_name_openssl_ecb = 'rc2-ecb'; - $this->cipher_name_openssl = 'rc2-' . $this->openssl_translate_mode(); - } - - return parent::isValidEngine($engine); - } - - /** - * Sets the key length. - * - * Valid key lengths are 8 to 1024. - * Calling this function after setting the key has no effect until the next - * \phpseclib\Crypt\RC2::setKey() call. - * - * @access public - * @param int $length in bits - * @throws \LengthException if the key length isn't supported - */ - public function setKeyLength($length) - { - if ($length < 8 || $length > 1024) { - throw new \LengthException('Key size of ' . $length . ' bits is not supported by this algorithm. Only keys between 1 and 1024 bits, inclusive, are supported'); - } - - $this->default_key_length = $this->current_key_length = $length; - $this->explicit_key_length = $length >> 3; - } - - /** - * Returns the current key length - * - * @access public - * @return int - */ - public function getKeyLength() - { - return $this->current_key_length; - } - - /** - * Sets the key. - * - * Keys can be of any length. RC2, itself, uses 8 to 1024 bit keys (eg. - * strlen($key) <= 128), however, we only use the first 128 bytes if $key - * has more then 128 bytes in it, and set $key to a single null byte if - * it is empty. - * - * @see \phpseclib\Crypt\Common\SymmetricKey::setKey() - * @access public - * @param string $key - * @param int $t1 optional Effective key length in bits. - * @throws \LengthException if the key length isn't supported - */ - public function setKey($key, $t1 = false) - { - $this->orig_key = $key; - - if ($t1 === false) { - $t1 = $this->default_key_length; - } - - if ($t1 < 1 || $t1 > 1024) { - throw new \LengthException('Key size of ' . $length . ' bits is not supported by this algorithm. Only keys between 1 and 1024 bits, inclusive, are supported'); - } - - $this->current_key_length = $t1; - if (strlen($key) < 1 || strlen($key) > 128) { - throw new \LengthException('Key of size ' . strlen($key) . ' not supported by this algorithm. Only keys of sizes between 8 and 1024 bits, inclusive, are supported'); - } - - $t = strlen($key); - - // The mcrypt RC2 implementation only supports effective key length - // of 1024 bits. It is however possible to handle effective key - // lengths in range 1..1024 by expanding the key and applying - // inverse pitable mapping to the first byte before submitting it - // to mcrypt. - - // Key expansion. - $l = array_values(unpack('C*', $key)); - $t8 = ($t1 + 7) >> 3; - $tm = 0xFF >> (8 * $t8 - $t1); - - // Expand key. - $pitable = $this->pitable; - for ($i = $t; $i < 128; $i++) { - $l[$i] = $pitable[$l[$i - 1] + $l[$i - $t]]; - } - $i = 128 - $t8; - $l[$i] = $pitable[$l[$i] & $tm]; - while ($i--) { - $l[$i] = $pitable[$l[$i + 1] ^ $l[$i + $t8]]; - } - - // Prepare the key for mcrypt. - $l[0] = $this->invpitable[$l[0]]; - array_unshift($l, 'C*'); - - $this->key = call_user_func_array('pack', $l); - $this->key_length = strlen($this->key); - $this->changed = true; - $this->setEngine(); - } - - /** - * Encrypts a message. - * - * Mostly a wrapper for \phpseclib\Crypt\Common\SymmetricKey::encrypt, with some additional OpenSSL handling code - * - * @see self::decrypt() - * @access public - * @param string $plaintext - * @return string $ciphertext - */ - public function encrypt($plaintext) - { - if ($this->engine == self::ENGINE_OPENSSL) { - $temp = $this->key; - $this->key = $this->orig_key; - $result = parent::encrypt($plaintext); - $this->key = $temp; - return $result; - } - - return parent::encrypt($plaintext); - } - - /** - * Decrypts a message. - * - * Mostly a wrapper for \phpseclib\Crypt\Common\SymmetricKey::decrypt, with some additional OpenSSL handling code - * - * @see self::encrypt() - * @access public - * @param string $ciphertext - * @return string $plaintext - */ - public function decrypt($ciphertext) - { - if ($this->engine == self::ENGINE_OPENSSL) { - $temp = $this->key; - $this->key = $this->orig_key; - $result = parent::decrypt($ciphertext); - $this->key = $temp; - return $result; - } - - return parent::decrypt($ciphertext); - } - - /** - * Encrypts a block - * - * @see \phpseclib\Crypt\Common\SymmetricKey::encryptBlock() - * @see \phpseclib\Crypt\Common\SymmetricKey::encrypt() - * @access private - * @param string $in - * @return string - */ - protected function encryptBlock($in) - { - list($r0, $r1, $r2, $r3) = array_values(unpack('v*', $in)); - $keys = $this->keys; - $limit = 20; - $actions = [$limit => 44, 44 => 64]; - $j = 0; - - for (;;) { - // Mixing round. - $r0 = (($r0 + $keys[$j++] + ((($r1 ^ $r2) & $r3) ^ $r1)) & 0xFFFF) << 1; - $r0 |= $r0 >> 16; - $r1 = (($r1 + $keys[$j++] + ((($r2 ^ $r3) & $r0) ^ $r2)) & 0xFFFF) << 2; - $r1 |= $r1 >> 16; - $r2 = (($r2 + $keys[$j++] + ((($r3 ^ $r0) & $r1) ^ $r3)) & 0xFFFF) << 3; - $r2 |= $r2 >> 16; - $r3 = (($r3 + $keys[$j++] + ((($r0 ^ $r1) & $r2) ^ $r0)) & 0xFFFF) << 5; - $r3 |= $r3 >> 16; - - if ($j === $limit) { - if ($limit === 64) { - break; - } - - // Mashing round. - $r0 += $keys[$r3 & 0x3F]; - $r1 += $keys[$r0 & 0x3F]; - $r2 += $keys[$r1 & 0x3F]; - $r3 += $keys[$r2 & 0x3F]; - $limit = $actions[$limit]; - } - } - - return pack('vvvv', $r0, $r1, $r2, $r3); - } - - /** - * Decrypts a block - * - * @see \phpseclib\Crypt\Common\SymmetricKey::decryptBlock() - * @see \phpseclib\Crypt\Common\SymmetricKey::decrypt() - * @access private - * @param string $in - * @return string - */ - protected function decryptBlock($in) - { - list($r0, $r1, $r2, $r3) = array_values(unpack('v*', $in)); - $keys = $this->keys; - $limit = 44; - $actions = [$limit => 20, 20 => 0]; - $j = 64; - - for (;;) { - // R-mixing round. - $r3 = ($r3 | ($r3 << 16)) >> 5; - $r3 = ($r3 - $keys[--$j] - ((($r0 ^ $r1) & $r2) ^ $r0)) & 0xFFFF; - $r2 = ($r2 | ($r2 << 16)) >> 3; - $r2 = ($r2 - $keys[--$j] - ((($r3 ^ $r0) & $r1) ^ $r3)) & 0xFFFF; - $r1 = ($r1 | ($r1 << 16)) >> 2; - $r1 = ($r1 - $keys[--$j] - ((($r2 ^ $r3) & $r0) ^ $r2)) & 0xFFFF; - $r0 = ($r0 | ($r0 << 16)) >> 1; - $r0 = ($r0 - $keys[--$j] - ((($r1 ^ $r2) & $r3) ^ $r1)) & 0xFFFF; - - if ($j === $limit) { - if ($limit === 0) { - break; - } - - // R-mashing round. - $r3 = ($r3 - $keys[$r2 & 0x3F]) & 0xFFFF; - $r2 = ($r2 - $keys[$r1 & 0x3F]) & 0xFFFF; - $r1 = ($r1 - $keys[$r0 & 0x3F]) & 0xFFFF; - $r0 = ($r0 - $keys[$r3 & 0x3F]) & 0xFFFF; - $limit = $actions[$limit]; - } - } - - return pack('vvvv', $r0, $r1, $r2, $r3); - } - - /** - * Creates the key schedule - * - * @see \phpseclib\Crypt\Common\SymmetricKey::setupKey() - * @access private - */ - protected function setupKey() - { - if (!isset($this->key)) { - $this->setKey(''); - } - - // Key has already been expanded in \phpseclib\Crypt\RC2::setKey(): - // Only the first value must be altered. - $l = unpack('Ca/Cb/v*', $this->key); - array_unshift($l, $this->pitable[$l['a']] | ($l['b'] << 8)); - unset($l['a']); - unset($l['b']); - $this->keys = $l; - } - - /** - * Setup the performance-optimized function for de/encrypt() - * - * @see \phpseclib\Crypt\Common\SymmetricKey::setupInlineCrypt() - * @access private - */ - protected function setupInlineCrypt() - { - // Init code for both, encrypt and decrypt. - $init_crypt = '$keys = $this->keys;'; - - $keys = $this->keys; - - // $in is the current 8 bytes block which has to be en/decrypt - $encrypt_block = $decrypt_block = ' - $in = unpack("v4", $in); - $r0 = $in[1]; - $r1 = $in[2]; - $r2 = $in[3]; - $r3 = $in[4]; - '; - - // Create code for encryption. - $limit = 20; - $actions = [$limit => 44, 44 => 64]; - $j = 0; - - for (;;) { - // Mixing round. - $encrypt_block .= ' - $r0 = (($r0 + ' . $keys[$j++] . ' + - ((($r1 ^ $r2) & $r3) ^ $r1)) & 0xFFFF) << 1; - $r0 |= $r0 >> 16; - $r1 = (($r1 + ' . $keys[$j++] . ' + - ((($r2 ^ $r3) & $r0) ^ $r2)) & 0xFFFF) << 2; - $r1 |= $r1 >> 16; - $r2 = (($r2 + ' . $keys[$j++] . ' + - ((($r3 ^ $r0) & $r1) ^ $r3)) & 0xFFFF) << 3; - $r2 |= $r2 >> 16; - $r3 = (($r3 + ' . $keys[$j++] . ' + - ((($r0 ^ $r1) & $r2) ^ $r0)) & 0xFFFF) << 5; - $r3 |= $r3 >> 16;'; - - if ($j === $limit) { - if ($limit === 64) { - break; - } - - // Mashing round. - $encrypt_block .= ' - $r0 += $keys[$r3 & 0x3F]; - $r1 += $keys[$r0 & 0x3F]; - $r2 += $keys[$r1 & 0x3F]; - $r3 += $keys[$r2 & 0x3F];'; - $limit = $actions[$limit]; - } - } - - $encrypt_block .= '$in = pack("v4", $r0, $r1, $r2, $r3);'; - - // Create code for decryption. - $limit = 44; - $actions = [$limit => 20, 20 => 0]; - $j = 64; - - for (;;) { - // R-mixing round. - $decrypt_block .= ' - $r3 = ($r3 | ($r3 << 16)) >> 5; - $r3 = ($r3 - ' . $keys[--$j] . ' - - ((($r0 ^ $r1) & $r2) ^ $r0)) & 0xFFFF; - $r2 = ($r2 | ($r2 << 16)) >> 3; - $r2 = ($r2 - ' . $keys[--$j] . ' - - ((($r3 ^ $r0) & $r1) ^ $r3)) & 0xFFFF; - $r1 = ($r1 | ($r1 << 16)) >> 2; - $r1 = ($r1 - ' . $keys[--$j] . ' - - ((($r2 ^ $r3) & $r0) ^ $r2)) & 0xFFFF; - $r0 = ($r0 | ($r0 << 16)) >> 1; - $r0 = ($r0 - ' . $keys[--$j] . ' - - ((($r1 ^ $r2) & $r3) ^ $r1)) & 0xFFFF;'; - - if ($j === $limit) { - if ($limit === 0) { - break; - } - - // R-mashing round. - $decrypt_block .= ' - $r3 = ($r3 - $keys[$r2 & 0x3F]) & 0xFFFF; - $r2 = ($r2 - $keys[$r1 & 0x3F]) & 0xFFFF; - $r1 = ($r1 - $keys[$r0 & 0x3F]) & 0xFFFF; - $r0 = ($r0 - $keys[$r3 & 0x3F]) & 0xFFFF;'; - $limit = $actions[$limit]; - } - } - - $decrypt_block .= '$in = pack("v4", $r0, $r1, $r2, $r3);'; - - // Creates the inline-crypt function - $this->inline_crypt = $this->createInlineCryptFunction( - [ - 'init_crypt' => $init_crypt, - 'encrypt_block' => $encrypt_block, - 'decrypt_block' => $decrypt_block - ] - ); - } -} diff --git a/lib/phpaes/phpseclib/Crypt/RC4.php b/lib/phpaes/phpseclib/Crypt/RC4.php deleted file mode 100644 index 66ac9957ec..0000000000 --- a/lib/phpaes/phpseclib/Crypt/RC4.php +++ /dev/null @@ -1,332 +0,0 @@ - - * setKey('abcdefgh'); - * - * $size = 10 * 1024; - * $plaintext = ''; - * for ($i = 0; $i < $size; $i++) { - * $plaintext.= 'a'; - * } - * - * echo $rc4->decrypt($rc4->encrypt($plaintext)); - * ?> - * - * - * @category Crypt - * @package RC4 - * @author Jim Wigginton - * @copyright 2007 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt; - -use phpseclib\Crypt\Common\StreamCipher; - -/** - * Pure-PHP implementation of RC4. - * - * @package RC4 - * @author Jim Wigginton - * @access public - */ -class RC4 extends StreamCipher -{ - /**#@+ - * @access private - * @see \phpseclib\Crypt\RC4::_crypt() - */ - const ENCRYPT = 0; - const DECRYPT = 1; - /**#@-*/ - - /** - * Block Length of the cipher - * - * RC4 is a stream cipher - * so we the block_size to 0 - * - * @see \phpseclib\Crypt\Common\SymmetricKey::block_size - * @var int - * @access private - */ - protected $block_size = 0; - - /** - * Key Length (in bytes) - * - * @see \phpseclib\Crypt\RC4::setKeyLength() - * @var int - * @access private - */ - protected $key_length = 128; // = 1024 bits - - /** - * The mcrypt specific name of the cipher - * - * @see \phpseclib\Crypt\Common\SymmetricKey::cipher_name_mcrypt - * @var string - * @access private - */ - protected $cipher_name_mcrypt = 'arcfour'; - - /** - * Holds whether performance-optimized $inline_crypt() can/should be used. - * - * @see \phpseclib\Crypt\Common\SymmetricKey::inline_crypt - * @var mixed - * @access private - */ - protected $use_inline_crypt = false; // currently not available - - /** - * The Key - * - * @see self::setKey() - * @var string - * @access private - */ - protected $key; - - /** - * The Key Stream for decryption and encryption - * - * @see self::setKey() - * @var array - * @access private - */ - private $stream; - - /** - * Default Constructor. - * - * @see \phpseclib\Crypt\Common\SymmetricKey::__construct() - * @return \phpseclib\Crypt\RC4 - * @access public - */ - public function __construct() - { - parent::__construct(self::MODE_STREAM); - } - - /** - * Test for engine validity - * - * This is mainly just a wrapper to set things up for \phpseclib\Crypt\Common\SymmetricKey::isValidEngine() - * - * @see \phpseclib\Crypt\Common\SymmetricKey::__construct() - * @param int $engine - * @access public - * @return bool - */ - public function isValidEngine($engine) - { - if ($engine == self::ENGINE_OPENSSL) { - $this->cipher_name_openssl = 'rc4-40'; - } - - return parent::isValidEngine($engine); - } - - /** - * RC4 does not use an IV - * - * @access public - * @return bool - */ - public function usesIV() - { - return false; - } - - /** - * Sets the key length - * - * Keys can be between 1 and 256 bytes long. - * - * @access public - * @param int $length - * @throws \LengthException if the key length is invalid - */ - public function setKeyLength($length) - { - if ($length < 8 || $length > 2048) { - throw new \LengthException('Key size of ' . $length . ' bits is not supported by this algorithm. Only keys between 1 and 256 bytes are supported'); - } - - $this->key_length = $length >> 3; - - parent::setKeyLength($length); - } - - /** - * Sets the key length - * - * Keys can be between 1 and 256 bytes long. - * - * @access public - * @param int $length - * @throws \LengthException if the key length is invalid - */ - public function setKey($key) - { - $length = strlen($key); - if ($length < 1 || $length > 256) { - throw new \LengthException('Key size of ' . $length . ' bytes is not supported by RC4. Keys must be between 1 and 256 bytes long'); - } - - parent::setKey($key); - } - - /** - * Encrypts a message. - * - * @see \phpseclib\Crypt\Common\SymmetricKey::decrypt() - * @see self::crypt() - * @access public - * @param string $plaintext - * @return string $ciphertext - */ - public function encrypt($plaintext) - { - if ($this->engine != self::ENGINE_INTERNAL) { - return parent::encrypt($plaintext); - } - return $this->crypt($plaintext, self::ENCRYPT); - } - - /** - * Decrypts a message. - * - * $this->decrypt($this->encrypt($plaintext)) == $this->encrypt($this->encrypt($plaintext)). - * At least if the continuous buffer is disabled. - * - * @see \phpseclib\Crypt\Common\SymmetricKey::encrypt() - * @see self::crypt() - * @access public - * @param string $ciphertext - * @return string $plaintext - */ - public function decrypt($ciphertext) - { - if ($this->engine != self::ENGINE_INTERNAL) { - return parent::decrypt($ciphertext); - } - return $this->crypt($ciphertext, self::DECRYPT); - } - - /** - * Encrypts a block - * - * @access private - * @param string $in - */ - protected function encryptBlock($in) - { - // RC4 does not utilize this method - } - - /** - * Decrypts a block - * - * @access private - * @param string $in - */ - protected function decryptBlock($in) - { - // RC4 does not utilize this method - } - - /** - * Setup the key (expansion) - * - * @see \phpseclib\Crypt\Common\SymmetricKey::_setupKey() - * @access private - */ - protected function setupKey() - { - $key = $this->key; - $keyLength = strlen($key); - $keyStream = range(0, 255); - $j = 0; - for ($i = 0; $i < 256; $i++) { - $j = ($j + $keyStream[$i] + ord($key[$i % $keyLength])) & 255; - $temp = $keyStream[$i]; - $keyStream[$i] = $keyStream[$j]; - $keyStream[$j] = $temp; - } - - $this->stream = []; - $this->stream[self::DECRYPT] = $this->stream[self::ENCRYPT] = [ - 0, // index $i - 0, // index $j - $keyStream - ]; - } - - /** - * Encrypts or decrypts a message. - * - * @see self::encrypt() - * @see self::decrypt() - * @access private - * @param string $text - * @param int $mode - * @return string $text - */ - private function crypt($text, $mode) - { - if ($this->changed) { - $this->setup(); - $this->changed = false; - } - - $stream = &$this->stream[$mode]; - if ($this->continuousBuffer) { - $i = &$stream[0]; - $j = &$stream[1]; - $keyStream = &$stream[2]; - } else { - $i = $stream[0]; - $j = $stream[1]; - $keyStream = $stream[2]; - } - - $len = strlen($text); - for ($k = 0; $k < $len; ++$k) { - $i = ($i + 1) & 255; - $ksi = $keyStream[$i]; - $j = ($j + $ksi) & 255; - $ksj = $keyStream[$j]; - - $keyStream[$i] = $ksj; - $keyStream[$j] = $ksi; - $text[$k] = $text[$k] ^ chr($keyStream[($ksj + $ksi) & 255]); - } - - return $text; - } -} diff --git a/lib/phpaes/phpseclib/Crypt/RSA.php b/lib/phpaes/phpseclib/Crypt/RSA.php deleted file mode 100644 index 18f89f72aa..0000000000 --- a/lib/phpaes/phpseclib/Crypt/RSA.php +++ /dev/null @@ -1,1765 +0,0 @@ - - * encrypt($plaintext); - * - * echo $privatekey->decrypt($ciphertext); - * ?> - * - * - * Here's an example of how to create signatures and verify signatures with this library: - * - * sign($plaintext); - * - * echo $publickey->verify($plaintext, $signature) ? 'verified' : 'unverified'; - * ?> - * - * - * @category Crypt - * @package RSA - * @author Jim Wigginton - * @copyright 2009 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt; - -use ParagonIE\ConstantTime\Base64; -use phpseclib\File\ASN1; -use phpseclib\Math\BigInteger; -use phpseclib\Common\Functions\Strings; -use phpseclib\File\ASN1\Maps\DigestInfo; -use phpseclib\Crypt\Common\AsymmetricKey; -use phpseclib\Exception\UnsupportedAlgorithmException; - -/** - * Pure-PHP PKCS#1 compliant implementation of RSA. - * - * @package RSA - * @author Jim Wigginton - * @access public - */ -class RSA extends AsymmetricKey -{ - /** - * Algorithm Name - * - * @var string - * @access private - */ - const ALGORITHM = 'RSA'; - - /**#@+ - * @access public - * @see self::encrypt() - * @see self::decrypt() - */ - /** - * Use {@link http://en.wikipedia.org/wiki/Optimal_Asymmetric_Encryption_Padding Optimal Asymmetric Encryption Padding} - * (OAEP) for encryption / decryption. - * - * Uses sha256 by default - * - * @see self::setHash() - * @see self::setMGFHash() - */ - const PADDING_OAEP = 1; - /** - * Use PKCS#1 padding. - * - * Although self::PADDING_OAEP / self::PADDING_PSS offers more security, including PKCS#1 padding is necessary for purposes of backwards - * compatibility with protocols (like SSH-1) written before OAEP's introduction. - */ - const PADDING_PKCS1 = 2; - /** - * Do not use any padding - * - * Although this method is not recommended it can none-the-less sometimes be useful if you're trying to decrypt some legacy - * stuff, if you're trying to diagnose why an encrypted message isn't decrypting, etc. - */ - const PADDING_NONE = 3; - /** - * Use PKCS#1 padding with PKCS1 v1.5 compatibility - * - * A PKCS1 v2.1 encrypted message may not successfully decrypt with a PKCS1 v1.5 implementation (such as OpenSSL). - */ - const PADDING_PKCS15_COMPAT = 6; - /**#@-*/ - - /**#@+ - * @access public - * @see self::sign() - * @see self::verify() - * @see self::setHash() - */ - /** - * Use the Probabilistic Signature Scheme for signing - * - * Uses sha256 and 0 as the salt length - * - * @see self::setSaltLength() - * @see self::setMGFHash() - * @see self::setHash() - */ - const PADDING_PSS = 4; - /** - * Use a relaxed version of PKCS#1 padding for signature verification - */ - const PADDING_RELAXED_PKCS1 = 5; - /**#@-*/ - - /** - * Modulus (ie. n) - * - * @var \phpseclib\Math\BigInteger - * @access private - */ - private $modulus; - - /** - * Modulus length - * - * @var \phpseclib\Math\BigInteger - * @access private - */ - private $k; - - /** - * Exponent (ie. e or d) - * - * @var \phpseclib\Math\BigInteger - * @access private - */ - private $exponent; - - /** - * Primes for Chinese Remainder Theorem (ie. p and q) - * - * @var array - * @access private - */ - private $primes; - - /** - * Exponents for Chinese Remainder Theorem (ie. dP and dQ) - * - * @var array - * @access private - */ - private $exponents; - - /** - * Coefficients for Chinese Remainder Theorem (ie. qInv) - * - * @var array - * @access private - */ - private $coefficients; - - /** - * Hash name - * - * @var string - * @access private - */ - private $hashName; - - /** - * Length of hash function output - * - * @var int - * @access private - */ - private $hLen; - - /** - * Length of salt - * - * @var int - * @access private - */ - private $sLen; - - /** - * Hash function for the Mask Generation Function - * - * @var \phpseclib\Crypt\Hash - * @access private - */ - private $mgfHash; - - /** - * Length of MGF hash function output - * - * @var int - * @access private - */ - private $mgfHLen; - - /** - * Public Exponent - * - * @var mixed - * @access private - */ - private $publicExponent = false; - - /** - * Public exponent - * - * @var int - * @link http://en.wikipedia.org/wiki/65537_%28number%29 - * @access private - */ - private static $defaultExponent = 65537; - - /** - * Smallest Prime - * - * Per , this number ought not result in primes smaller - * than 256 bits. As a consequence if the key you're trying to create is 1024 bits and you've set smallestPrime - * to 384 bits then you're going to get a 384 bit prime and a 640 bit prime (384 + 1024 % 384). At least if - * engine is set to self::ENGINE_INTERNAL. If Engine is set to self::ENGINE_OPENSSL then smallest Prime is - * ignored (ie. multi-prime RSA support is more intended as a way to speed up RSA key generation when there's - * a chance neither gmp nor OpenSSL are installed) - * - * @var int - * @access private - */ - private static $smallestPrime = 4096; - - /** - * The constructor - * - * If you want to make use of the openssl extension, you'll need to set the mode manually, yourself. The reason - * \phpseclib\Crypt\RSA doesn't do it is because OpenSSL doesn't fail gracefully. openssl_pkey_new(), in particular, requires - * openssl.cnf be present somewhere and, unfortunately, the only real way to find out is too late. - * - * @return \phpseclib\Crypt\RSA - * @access public - */ - public function __construct() - { - parent::__construct(); - - //$this->hash = new Hash('sha256'); - $this->hLen = $this->hash->getLengthInBytes(); - $this->hashName = 'sha256'; - $this->mgfHash = new Hash('sha256'); - $this->mgfHLen = $this->mgfHash->getLengthInBytes(); - } - - /** - * Sets the public exponent - * - * This will be 65537 unless changed. - * - * @access public - * @param int $val - */ - public static function setExponent($val) - { - self::$defaultExponent = $val; - } - - /** - * Sets the smallest prime number in bits - * - * This will be 4096 unless changed. - * - * @access public - * @param int $val - */ - public static function setSmallestPrime($val) - { - self::$smallestPrime = $val; - } - - /** - * Create public / private key pair - * - * Returns an array with the following two elements: - * - 'privatekey': The private key. - * - 'publickey': The public key. - * - * @access public - * @param int $bits - * @param array $p - */ - public static function createKey($bits = 2048) - { - self::initialize_static_variables(); - - if (!isset(self::$engine)) { - self::setPreferredEngine(self::ENGINE_OPENSSL); - } - - // OpenSSL uses 65537 as the exponent and requires RSA keys be 384 bits minimum - - if (self::$engine == self::ENGINE_OPENSSL && $bits >= 384 && self::$defaultExponent == 65537) { - $config = []; - if (isset(self::$configFile)) { - $config['config'] = self::$configFile; - } - $rsa = openssl_pkey_new(['private_key_bits' => $bits] + $config); - openssl_pkey_export($rsa, $privatekeystr, null, $config); - $privatekey = new RSA(); - $privatekey->load($privatekeystr); - - $publickeyarr = openssl_pkey_get_details($rsa); - $publickey = new RSA(); - $publickey->load($publickeyarr['key']); - $publickey->setPublicKey(); - - // clear the buffer of error strings stemming from a minimalistic openssl.cnf - while (openssl_error_string() !== false) { - } - - return compact('privatekey', 'publickey'); - } - - static $e; - if (!isset($e)) { - $e = new BigInteger(self::$defaultExponent); - } - - $regSize = $bits >> 1; // divide by two to see how many bits P and Q would be - if ($regSize > self::$smallestPrime) { - $num_primes = floor($bits / self::$smallestPrime); - $regSize = self::$smallestPrime; - } else { - $num_primes = 2; - } - - $n = clone self::$one; - $exponents = $coefficients = $primes = []; - $lcm = [ - 'top' => clone self::$one, - 'bottom' => false - ]; - - do { - for ($i = 1; $i <= $num_primes; $i++) { - if ($i != $num_primes) { - $primes[$i] = BigInteger::randomPrime($regSize); - } else { - extract(BigInteger::minMaxBits($bits)); - list($min) = $min->divide($n); - $min = $min->add(self::$one); - list($max) = $max->divide($n); - $primes[$i] = BigInteger::randomRangePrime($min, $max); - } - - // the first coefficient is calculated differently from the rest - // ie. instead of being $primes[1]->modInverse($primes[2]), it's $primes[2]->modInverse($primes[1]) - if ($i > 2) { - $coefficients[$i] = $n->modInverse($primes[$i]); - } - - $n = $n->multiply($primes[$i]); - - $temp = $primes[$i]->subtract(self::$one); - - // textbook RSA implementations use Euler's totient function instead of the least common multiple. - // see http://en.wikipedia.org/wiki/Euler%27s_totient_function - $lcm['top'] = $lcm['top']->multiply($temp); - $lcm['bottom'] = $lcm['bottom'] === false ? $temp : $lcm['bottom']->gcd($temp); - } - - list($temp) = $lcm['top']->divide($lcm['bottom']); - $gcd = $temp->gcd($e); - $i0 = 1; - } while (!$gcd->equals(self::$one)); - - $coefficients[2] = $primes[2]->modInverse($primes[1]); - - $d = $e->modInverse($temp); - - foreach ($primes as $i => $prime) { - $temp = $prime->subtract(self::$one); - $exponents[$i] = $e->modInverse($temp); - } - - // from : - // RSAPrivateKey ::= SEQUENCE { - // version Version, - // modulus INTEGER, -- n - // publicExponent INTEGER, -- e - // privateExponent INTEGER, -- d - // prime1 INTEGER, -- p - // prime2 INTEGER, -- q - // exponent1 INTEGER, -- d mod (p-1) - // exponent2 INTEGER, -- d mod (q-1) - // coefficient INTEGER, -- (inverse of q) mod p - // otherPrimeInfos OtherPrimeInfos OPTIONAL - // } - $privatekey = new RSA(); - $privatekey->modulus = $n; - $privatekey->k = $bits >> 3; - $privatekey->publicExponent = $e; - $privatekey->exponent = $d; - $privatekey->privateExponent = $e; - $privatekey->primes = $primes; - $privatekey->exponents = $exponents; - $privatekey->coefficients = $coefficients; - - $publickey = new RSA(); - $publickey->modulus = $n; - $publickey->k = $bits >> 3; - $publickey->exponent = $e; - $publickey->publicExponent = $e; - - return compact('privatekey', 'publickey'); - } - - /** - * Loads a public or private key - * - * Returns true on success and false on failure (ie. an incorrect password was provided or the key was malformed) - * - * @access public - * @param string $key - * @param int $type optional - */ - public function load($key, $type = false) - { - if ($key instanceof RSA) { - $this->privateKeyFormat = $key->privateKeyFormat; - $this->publicKeyFormat = $key->publicKeyFormat; - $this->format = $key->format; - $this->k = $key->k; - $this->hLen = $key->hLen; - $this->sLen = $key->sLen; - $this->mgfHLen = $key->mgfHLen; - $this->password = $key->password; - - if (is_object($key->hash)) { - $this->hash = new Hash($key->hash->getHash()); - } - if (is_object($key->mgfHash)) { - $this->mgfHash = new Hash($key->mgfHash->getHash()); - } - - if (is_object($key->modulus)) { - $this->modulus = clone $key->modulus; - } - if (is_object($key->exponent)) { - $this->exponent = clone $key->exponent; - } - if (is_object($key->publicExponent)) { - $this->publicExponent = clone $key->publicExponent; - } - - $this->primes = []; - $this->exponents = []; - $this->coefficients = []; - - foreach ($this->primes as $prime) { - $this->primes[] = clone $prime; - } - foreach ($this->exponents as $exponent) { - $this->exponents[] = clone $exponent; - } - foreach ($this->coefficients as $coefficient) { - $this->coefficients[] = clone $coefficient; - } - - return true; - } - - $components = parent::load($key, $type); - if ($components === false) { - return false; - } - - $this->modulus = $components['modulus']; - $this->k = $this->modulus->getLengthInBytes(); - $this->exponent = isset($components['privateExponent']) ? $components['privateExponent'] : $components['publicExponent']; - if (isset($components['primes'])) { - $this->primes = $components['primes']; - $this->exponents = $components['exponents']; - $this->coefficients = $components['coefficients']; - $this->publicExponent = $components['publicExponent']; - } else { - $this->primes = []; - $this->exponents = []; - $this->coefficients = []; - $this->publicExponent = false; - } - - if ($components['isPublicKey']) { - $this->setPublicKey(); - } - - return true; - } - - /** - * Returns the private key - * - * The private key is only returned if the currently loaded key contains the constituent prime numbers. - * - * @see self::getPublicKey() - * @access public - * @param string $type optional - * @return mixed - */ - public function getPrivateKey($type = 'PKCS8') - { - $type = self::validatePlugin('Keys', $type, 'savePrivateKey'); - if ($type === false) { - return false; - } - - if (empty($this->primes)) { - return false; - } - - return $type::savePrivateKey($this->modulus, $this->publicExponent, $this->exponent, $this->primes, $this->exponents, $this->coefficients, $this->password); - - /* - $key = $type::savePrivateKey($this->modulus, $this->publicExponent, $this->exponent, $this->primes, $this->exponents, $this->coefficients, $this->password); - if ($key !== false || count($this->primes) == 2) { - return $key; - } - - $nSize = $this->getSize() >> 1; - - $primes = [1 => clone self::$one, clone self::$one]; - $i = 1; - foreach ($this->primes as $prime) { - $primes[$i] = $primes[$i]->multiply($prime); - if ($primes[$i]->getLength() >= $nSize) { - $i++; - } - } - - $exponents = []; - $coefficients = [2 => $primes[2]->modInverse($primes[1])]; - - foreach ($primes as $i => $prime) { - $temp = $prime->subtract(self::$one); - $exponents[$i] = $this->modulus->modInverse($temp); - } - - return $type::savePrivateKey($this->modulus, $this->publicExponent, $this->exponent, $primes, $exponents, $coefficients, $this->password); - */ - } - - /** - * Returns a minimalistic private key - * - * Returns the private key without the prime number constituants. Structurally identical to a public key that - * hasn't been set as the public key - * - * @see self::getPrivateKey() - * @access private - * @param string $type optional - * @return mixed - */ - protected function getPrivatePublicKey($type = 'PKCS8') - { - $type = self::validatePlugin('Keys', $type, 'savePublicKey'); - if ($type === false) { - return false; - } - - if (empty($this->modulus) || empty($this->exponent)) { - return false; - } - - $oldFormat = $this->publicKeyFormat; - $this->publicKeyFormat = $type; - $temp = $type::savePublicKey($this->modulus, $this->exponent); - $this->publicKeyFormat = $oldFormat; - return $temp; - } - - /** - * Returns the key size - * - * More specifically, this returns the size of the modulo in bits. - * - * @access public - * @return int - */ - public function getLength() - { - return !isset($this->modulus) ? 0 : $this->modulus->getLength(); - } - - /** - * Defines the public key - * - * Some private key formats define the public exponent and some don't. Those that don't define it are problematic when - * used in certain contexts. For example, in SSH-2, RSA authentication works by sending the public key along with a - * message signed by the private key to the server. The SSH-2 server looks the public key up in an index of public keys - * and if it's present then proceeds to verify the signature. Problem is, if your private key doesn't include the public - * exponent this won't work unless you manually add the public exponent. phpseclib tries to guess if the key being used - * is the public key but in the event that it guesses incorrectly you might still want to explicitly set the key as being - * public. - * - * Do note that when a new key is loaded the index will be cleared. - * - * Returns true on success, false on failure - * - * @see self::getPublicKey() - * @access public - * @param string $key optional - * @param int $type optional - * @return bool - */ - public function setPublicKey($key = false, $type = false) - { - // if a public key has already been loaded return false - if (!empty($this->publicExponent)) { - return false; - } - - if ($key === false && !empty($this->modulus)) { - $this->publicExponent = $this->exponent; - return true; - } - - $components = parent::setPublicKey($key, $type); - if ($components === false) { - return false; - } - - if (empty($this->modulus) || !$this->modulus->equals($components['modulus'])) { - $this->modulus = $components['modulus']; - $this->exponent = $this->publicExponent = $components['publicExponent']; - return true; - } - - $this->publicExponent = $components['publicExponent']; - - return true; - } - - /** - * Defines the private key - * - * If phpseclib guessed a private key was a public key and loaded it as such it might be desirable to force - * phpseclib to treat the key as a private key. This function will do that. - * - * Do note that when a new key is loaded the index will be cleared. - * - * Returns true on success, false on failure - * - * @see self::getPublicKey() - * @access public - * @param string $key optional - * @param int $type optional - * @return bool - */ - public function setPrivateKey($key = false, $type = false) - { - if ($key === false && !empty($this->publicExponent)) { - $this->publicExponent = false; - return true; - } - - $rsa = new RSA(); - if (!$rsa->load($key, $type)) { - return false; - } - $rsa->publicExponent = false; - - // don't overwrite the old key if the new key is invalid - $this->load($rsa); - return true; - } - - /** - * Returns the public key - * - * The public key is only returned under two circumstances - if the private key had the public key embedded within it - * or if the public key was set via setPublicKey(). If the currently loaded key is supposed to be the public key this - * function won't return it since this library, for the most part, doesn't distinguish between public and private keys. - * - * @see self::getPrivateKey() - * @access public - * @param string $type optional - * @return mixed - */ - public function getPublicKey($type = 'PKCS8') - { - $type = self::validatePlugin('Keys', $type, 'savePublicKey'); - if ($type === false) { - return false; - } - - if (empty($this->modulus) || empty($this->publicExponent)) { - return false; - } - - return $type::savePublicKey($this->modulus, $this->publicExponent); - } - - /** - * __toString() magic method - * - * @access public - * @return string - */ - public function __toString() - { - try { - $key = $this->getPrivateKey($this->privateKeyFormat); - if (is_string($key)) { - return $key; - } - $key = $this->getPrivatePublicKey($this->publicKeyFormat); - return is_string($key) ? $key : ''; - } catch (\Exception $e) { - return ''; - } - } - - /** - * Determines which hashing function should be used - * - * Used with signature production / verification and (if the encryption mode is self::PADDING_OAEP) encryption and - * decryption. - * - * @access public - * @param string $hash - */ - public function setHash($hash) - { - // \phpseclib\Crypt\Hash supports algorithms that PKCS#1 doesn't support. md5-96 and sha1-96, for example. - switch (strtolower($hash)) { - case 'md2': - case 'md5': - case 'sha1': - case 'sha256': - case 'sha384': - case 'sha512': - case 'sha224': - case 'sha512/224': - case 'sha512/256': - $this->hash = new Hash($hash); - $this->hashName = $hash; - break; - default: - throw new UnsupportedAlgorithmException( - 'The only supported hash algorithms are: md2, md5, sha1, sha256, sha384, sha512, sha224, sha512/224, sha512/256' - ); - } - $this->hLen = $this->hash->getLengthInBytes(); - } - - /** - * Determines which hashing function should be used for the mask generation function - * - * The mask generation function is used by self::PADDING_OAEP and self::PADDING_PSS and although it's - * best if Hash and MGFHash are set to the same thing this is not a requirement. - * - * @access public - * @param string $hash - */ - public function setMGFHash($hash) - { - // \phpseclib\Crypt\Hash supports algorithms that PKCS#1 doesn't support. md5-96 and sha1-96, for example. - switch ($hash) { - case 'md2': - case 'md5': - case 'sha1': - case 'sha256': - case 'sha384': - case 'sha512': - case 'sha224': - case 'sha512/224': - case 'sha512/256': - $this->mgfHash = new Hash($hash); - break; - default: - $this->mgfHash = new Hash('sha256'); - } - $this->mgfHLen = $this->mgfHash->getLengthInBytes(); - } - - /** - * Determines the salt length - * - * To quote from {@link http://tools.ietf.org/html/rfc3447#page-38 RFC3447#page-38}: - * - * Typical salt lengths in octets are hLen (the length of the output - * of the hash function Hash) and 0. - * - * @access public - * @param int $format - */ - public function setSaltLength($sLen) - { - $this->sLen = $sLen; - } - - /** - * Integer-to-Octet-String primitive - * - * See {@link http://tools.ietf.org/html/rfc3447#section-4.1 RFC3447#section-4.1}. - * - * @access private - * @param bool|\phpseclib\Math\BigInteger $x - * @param int $xLen - * @return bool|string - */ - private function i2osp($x, $xLen) - { - if ($x === false) { - return false; - } - $x = $x->toBytes(); - if (strlen($x) > $xLen) { - return false; - } - return str_pad($x, $xLen, chr(0), STR_PAD_LEFT); - } - - /** - * Octet-String-to-Integer primitive - * - * See {@link http://tools.ietf.org/html/rfc3447#section-4.2 RFC3447#section-4.2}. - * - * @access private - * @param string $x - * @return \phpseclib\Math\BigInteger - */ - private function os2ip($x) - { - return new BigInteger($x, 256); - } - - /** - * Exponentiate with or without Chinese Remainder Theorem - * - * See {@link http://tools.ietf.org/html/rfc3447#section-5.1.1 RFC3447#section-5.1.2}. - * - * @access private - * @param \phpseclib\Math\BigInteger $x - * @return \phpseclib\Math\BigInteger - */ - private function exponentiate($x) - { - switch (true) { - case empty($this->primes): - case $this->primes[1]->equals(self::$zero): - case empty($this->coefficients): - case $this->coefficients[2]->equals(self::$zero): - case empty($this->exponents): - case $this->exponents[1]->equals(self::$zero): - return $x->modPow($this->exponent, $this->modulus); - } - - $num_primes = count($this->primes); - - if (defined('CRYPT_RSA_DISABLE_BLINDING')) { - $m_i = [ - 1 => $x->modPow($this->exponents[1], $this->primes[1]), - 2 => $x->modPow($this->exponents[2], $this->primes[2]) - ]; - $h = $m_i[1]->subtract($m_i[2]); - $h = $h->multiply($this->coefficients[2]); - list(, $h) = $h->divide($this->primes[1]); - $m = $m_i[2]->add($h->multiply($this->primes[2])); - - $r = $this->primes[1]; - for ($i = 3; $i <= $num_primes; $i++) { - $m_i = $x->modPow($this->exponents[$i], $this->primes[$i]); - - $r = $r->multiply($this->primes[$i - 1]); - - $h = $m_i->subtract($m); - $h = $h->multiply($this->coefficients[$i]); - list(, $h) = $h->divide($this->primes[$i]); - - $m = $m->add($r->multiply($h)); - } - } else { - $smallest = $this->primes[1]; - for ($i = 2; $i <= $num_primes; $i++) { - if ($smallest->compare($this->primes[$i]) > 0) { - $smallest = $this->primes[$i]; - } - } - - $r = BigInteger::randomRange(self::$one, $smallest->subtract(self::$one)); - - $m_i = [ - 1 => $this->blind($x, $r, 1), - 2 => $this->blind($x, $r, 2) - ]; - $h = $m_i[1]->subtract($m_i[2]); - $h = $h->multiply($this->coefficients[2]); - list(, $h) = $h->divide($this->primes[1]); - $m = $m_i[2]->add($h->multiply($this->primes[2])); - - $r = $this->primes[1]; - for ($i = 3; $i <= $num_primes; $i++) { - $m_i = $this->blind($x, $r, $i); - - $r = $r->multiply($this->primes[$i - 1]); - - $h = $m_i->subtract($m); - $h = $h->multiply($this->coefficients[$i]); - list(, $h) = $h->divide($this->primes[$i]); - - $m = $m->add($r->multiply($h)); - } - } - - return $m; - } - - /** - * Performs RSA Blinding - * - * Protects against timing attacks by employing RSA Blinding. - * Returns $x->modPow($this->exponents[$i], $this->primes[$i]) - * - * @access private - * @param \phpseclib\Math\BigInteger $x - * @param \phpseclib\Math\BigInteger $r - * @param int $i - * @return \phpseclib\Math\BigInteger - */ - private function blind($x, $r, $i) - { - $x = $x->multiply($r->modPow($this->publicExponent, $this->primes[$i])); - $x = $x->modPow($this->exponents[$i], $this->primes[$i]); - - $r = $r->modInverse($this->primes[$i]); - $x = $x->multiply($r); - list(, $x) = $x->divide($this->primes[$i]); - - return $x; - } - - /** - * RSAEP - * - * See {@link http://tools.ietf.org/html/rfc3447#section-5.1.1 RFC3447#section-5.1.1}. - * - * @access private - * @param \phpseclib\Math\BigInteger $m - * @return bool|\phpseclib\Math\BigInteger - */ - private function rsaep($m) - { - if ($m->compare(self::$zero) < 0 || $m->compare($this->modulus) > 0) { - return false; - } - return $this->exponentiate($m); - } - - /** - * RSADP - * - * See {@link http://tools.ietf.org/html/rfc3447#section-5.1.2 RFC3447#section-5.1.2}. - * - * @access private - * @param \phpseclib\Math\BigInteger $c - * @return bool|\phpseclib\Math\BigInteger - */ - private function rsadp($c) - { - if ($c->compare(self::$zero) < 0 || $c->compare($this->modulus) > 0) { - return false; - } - return $this->exponentiate($c); - } - - /** - * RSASP1 - * - * See {@link http://tools.ietf.org/html/rfc3447#section-5.2.1 RFC3447#section-5.2.1}. - * - * @access private - * @param \phpseclib\Math\BigInteger $m - * @return bool|\phpseclib\Math\BigInteger - */ - private function rsasp1($m) - { - if ($m->compare(self::$zero) < 0 || $m->compare($this->modulus) > 0) { - return false; - } - return $this->exponentiate($m); - } - - /** - * RSAVP1 - * - * See {@link http://tools.ietf.org/html/rfc3447#section-5.2.2 RFC3447#section-5.2.2}. - * - * @access private - * @param \phpseclib\Math\BigInteger $s - * @return bool|\phpseclib\Math\BigInteger - */ - private function rsavp1($s) - { - if ($s->compare(self::$zero) < 0 || $s->compare($this->modulus) > 0) { - return false; - } - return $this->exponentiate($s); - } - - /** - * MGF1 - * - * See {@link http://tools.ietf.org/html/rfc3447#appendix-B.2.1 RFC3447#appendix-B.2.1}. - * - * @access private - * @param string $mgfSeed - * @param int $mgfLen - * @return string - */ - private function mgf1($mgfSeed, $maskLen) - { - // if $maskLen would yield strings larger than 4GB, PKCS#1 suggests a "Mask too long" error be output. - - $t = ''; - $count = ceil($maskLen / $this->mgfHLen); - for ($i = 0; $i < $count; $i++) { - $c = pack('N', $i); - $t.= $this->mgfHash->hash($mgfSeed . $c); - } - - return substr($t, 0, $maskLen); - } - - /** - * RSAES-OAEP-ENCRYPT - * - * See {@link http://tools.ietf.org/html/rfc3447#section-7.1.1 RFC3447#section-7.1.1} and - * {http://en.wikipedia.org/wiki/Optimal_Asymmetric_Encryption_Padding OAES}. - * - * @access private - * @param string $m - * @param string $l - * @throws \OutOfBoundsException if strlen($m) > $this->k - 2 * $this->hLen - 2 - * @return string - */ - private function rsaes_oaep_encrypt($m, $l = '') - { - $mLen = strlen($m); - - // Length checking - - // if $l is larger than two million terrabytes and you're using sha1, PKCS#1 suggests a "Label too long" error - // be output. - - if ($mLen > $this->k - 2 * $this->hLen - 2) { - throw new \OutOfBoundsException('Message too long'); - } - - // EME-OAEP encoding - - $lHash = $this->hash->hash($l); - $ps = str_repeat(chr(0), $this->k - $mLen - 2 * $this->hLen - 2); - $db = $lHash . $ps . chr(1) . $m; - $seed = Random::string($this->hLen); - $dbMask = $this->mgf1($seed, $this->k - $this->hLen - 1); - $maskedDB = $db ^ $dbMask; - $seedMask = $this->mgf1($maskedDB, $this->hLen); - $maskedSeed = $seed ^ $seedMask; - $em = chr(0) . $maskedSeed . $maskedDB; - - // RSA encryption - - $m = $this->os2ip($em); - $c = $this->rsaep($m); - $c = $this->i2osp($c, $this->k); - - // Output the ciphertext C - - return $c; - } - - /** - * RSAES-OAEP-DECRYPT - * - * See {@link http://tools.ietf.org/html/rfc3447#section-7.1.2 RFC3447#section-7.1.2}. The fact that the error - * messages aren't distinguishable from one another hinders debugging, but, to quote from RFC3447#section-7.1.2: - * - * Note. Care must be taken to ensure that an opponent cannot - * distinguish the different error conditions in Step 3.g, whether by - * error message or timing, or, more generally, learn partial - * information about the encoded message EM. Otherwise an opponent may - * be able to obtain useful information about the decryption of the - * ciphertext C, leading to a chosen-ciphertext attack such as the one - * observed by Manger [36]. - * - * As for $l... to quote from {@link http://tools.ietf.org/html/rfc3447#page-17 RFC3447#page-17}: - * - * Both the encryption and the decryption operations of RSAES-OAEP take - * the value of a label L as input. In this version of PKCS #1, L is - * the empty string; other uses of the label are outside the scope of - * this document. - * - * @access private - * @param string $c - * @param string $l - * @return bool|string - */ - private function rsaes_oaep_decrypt($c, $l = '') - { - // Length checking - - // if $l is larger than two million terrabytes and you're using sha1, PKCS#1 suggests a "Label too long" error - // be output. - - if (strlen($c) != $this->k || $this->k < 2 * $this->hLen + 2) { - return false; - } - - // RSA decryption - - $c = $this->os2ip($c); - $m = $this->rsadp($c); - $em = $this->i2osp($m, $this->k); - if ($em === false) { - return false; - } - - // EME-OAEP decoding - - $lHash = $this->hash->hash($l); - $y = ord($em[0]); - $maskedSeed = substr($em, 1, $this->hLen); - $maskedDB = substr($em, $this->hLen + 1); - $seedMask = $this->mgf1($maskedDB, $this->hLen); - $seed = $maskedSeed ^ $seedMask; - $dbMask = $this->mgf1($seed, $this->k - $this->hLen - 1); - $db = $maskedDB ^ $dbMask; - $lHash2 = substr($db, 0, $this->hLen); - $m = substr($db, $this->hLen); - if (!Strings::equals($lHash, $lHash2)) { - return false; - } - $m = ltrim($m, chr(0)); - if (ord($m[0]) != 1) { - return false; - } - - // Output the message M - - return substr($m, 1); - } - - /** - * Raw Encryption / Decryption - * - * Doesn't use padding and is not recommended. - * - * @access private - * @param string $m - * @return bool|string - * @throws \OutOfBoundsException if strlen($m) > $this->k - */ - private function raw_encrypt($m) - { - if (strlen($m) > $this->k) { - throw new \OutOfBoundsException('Message too long'); - } - - $temp = $this->os2ip($m); - $temp = $this->rsaep($temp); - return $this->i2osp($temp, $this->k); - } - - /** - * RSAES-PKCS1-V1_5-ENCRYPT - * - * See {@link http://tools.ietf.org/html/rfc3447#section-7.2.1 RFC3447#section-7.2.1}. - * - * @access private - * @param string $m - * @param bool $pkcs15_compat optional - * @throws \OutOfBoundsException if strlen($m) > $this->k - 11 - * @return bool|string - */ - private function rsaes_pkcs1_v1_5_encrypt($m, $pkcs15_compat = false) - { - $mLen = strlen($m); - - // Length checking - - if ($mLen > $this->k - 11) { - throw new \OutOfBoundsException('Message too long'); - } - - // EME-PKCS1-v1_5 encoding - - $psLen = $this->k - $mLen - 3; - $ps = ''; - while (strlen($ps) != $psLen) { - $temp = Random::string($psLen - strlen($ps)); - $temp = str_replace("\x00", '', $temp); - $ps.= $temp; - } - $type = 2; - // see the comments of _rsaes_pkcs1_v1_5_decrypt() to understand why this is being done - if ($pkcs15_compat && (!isset($this->publicExponent) || $this->exponent !== $this->publicExponent)) { - $type = 1; - // "The padding string PS shall consist of k-3-||D|| octets. ... for block type 01, they shall have value FF" - $ps = str_repeat("\xFF", $psLen); - } - $em = chr(0) . chr($type) . $ps . chr(0) . $m; - - // RSA encryption - $m = $this->os2ip($em); - $c = $this->rsaep($m); - $c = $this->i2osp($c, $this->k); - - // Output the ciphertext C - - return $c; - } - - /** - * RSAES-PKCS1-V1_5-DECRYPT - * - * See {@link http://tools.ietf.org/html/rfc3447#section-7.2.2 RFC3447#section-7.2.2}. - * - * For compatibility purposes, this function departs slightly from the description given in RFC3447. - * The reason being that RFC2313#section-8.1 (PKCS#1 v1.5) states that ciphertext's encrypted by the - * private key should have the second byte set to either 0 or 1 and that ciphertext's encrypted by the - * public key should have the second byte set to 2. In RFC3447 (PKCS#1 v2.1), the second byte is supposed - * to be 2 regardless of which key is used. For compatibility purposes, we'll just check to make sure the - * second byte is 2 or less. If it is, we'll accept the decrypted string as valid. - * - * As a consequence of this, a private key encrypted ciphertext produced with \phpseclib\Crypt\RSA may not decrypt - * with a strictly PKCS#1 v1.5 compliant RSA implementation. Public key encrypted ciphertext's should but - * not private key encrypted ciphertext's. - * - * @access private - * @param string $c - * @return bool|string - */ - private function rsaes_pkcs1_v1_5_decrypt($c) - { - // Length checking - - if (strlen($c) != $this->k) { // or if k < 11 - return false; - } - - // RSA decryption - - $c = $this->os2ip($c); - $m = $this->rsadp($c); - $em = $this->i2osp($m, $this->k); - if ($em === false) { - return false; - } - - // EME-PKCS1-v1_5 decoding - - if (ord($em[0]) != 0 || ord($em[1]) > 2) { - return false; - } - - $ps = substr($em, 2, strpos($em, chr(0), 2) - 2); - $m = substr($em, strlen($ps) + 3); - - if (strlen($ps) < 8) { - return false; - } - - // Output M - - return $m; - } - - /** - * EMSA-PSS-ENCODE - * - * See {@link http://tools.ietf.org/html/rfc3447#section-9.1.1 RFC3447#section-9.1.1}. - * - * @access private - * @param string $m - * @throws \RuntimeException on encoding error - * @param int $emBits - */ - private function emsa_pss_encode($m, $emBits) - { - // if $m is larger than two million terrabytes and you're using sha1, PKCS#1 suggests a "Label too long" error - // be output. - - $emLen = ($emBits + 1) >> 3; // ie. ceil($emBits / 8) - $sLen = $this->sLen !== null ? $this->sLen : $this->hLen; - - $mHash = $this->hash->hash($m); - if ($emLen < $this->hLen + $sLen + 2) { - return false; - } - - $salt = Random::string($sLen); - $m2 = "\0\0\0\0\0\0\0\0" . $mHash . $salt; - $h = $this->hash->hash($m2); - $ps = str_repeat(chr(0), $emLen - $sLen - $this->hLen - 2); - $db = $ps . chr(1) . $salt; - $dbMask = $this->mgf1($h, $emLen - $this->hLen - 1); - $maskedDB = $db ^ $dbMask; - $maskedDB[0] = ~chr(0xFF << ($emBits & 7)) & $maskedDB[0]; - $em = $maskedDB . $h . chr(0xBC); - - return $em; - } - - /** - * EMSA-PSS-VERIFY - * - * See {@link http://tools.ietf.org/html/rfc3447#section-9.1.2 RFC3447#section-9.1.2}. - * - * @access private - * @param string $m - * @param string $em - * @param int $emBits - * @return string - */ - private function emsa_pss_verify($m, $em, $emBits) - { - // if $m is larger than two million terrabytes and you're using sha1, PKCS#1 suggests a "Label too long" error - // be output. - - $emLen = ($emBits + 1) >> 3; // ie. ceil($emBits / 8); - $sLen = $this->sLen !== null ? $this->sLen : $this->hLen; - - $mHash = $this->hash->hash($m); - if ($emLen < $this->hLen + $sLen + 2) { - return false; - } - - if ($em[strlen($em) - 1] != chr(0xBC)) { - return false; - } - - $maskedDB = substr($em, 0, -$this->hLen - 1); - $h = substr($em, -$this->hLen - 1, $this->hLen); - $temp = chr(0xFF << ($emBits & 7)); - if ((~$maskedDB[0] & $temp) != $temp) { - return false; - } - $dbMask = $this->mgf1($h, $emLen - $this->hLen - 1); - $db = $maskedDB ^ $dbMask; - $db[0] = ~chr(0xFF << ($emBits & 7)) & $db[0]; - $temp = $emLen - $this->hLen - $sLen - 2; - if (substr($db, 0, $temp) != str_repeat(chr(0), $temp) || ord($db[$temp]) != 1) { - return false; - } - $salt = substr($db, $temp + 1); // should be $sLen long - $m2 = "\0\0\0\0\0\0\0\0" . $mHash . $salt; - $h2 = $this->hash->hash($m2); - return Strings::equals($h, $h2); - } - - /** - * RSASSA-PSS-SIGN - * - * See {@link http://tools.ietf.org/html/rfc3447#section-8.1.1 RFC3447#section-8.1.1}. - * - * @access private - * @param string $m - * @return bool|string - */ - private function rsassa_pss_sign($m) - { - // EMSA-PSS encoding - - $em = $this->emsa_pss_encode($m, 8 * $this->k - 1); - - // RSA signature - - $m = $this->os2ip($em); - $s = $this->rsasp1($m); - $s = $this->i2osp($s, $this->k); - - // Output the signature S - - return $s; - } - - /** - * RSASSA-PSS-VERIFY - * - * See {@link http://tools.ietf.org/html/rfc3447#section-8.1.2 RFC3447#section-8.1.2}. - * - * @access private - * @param string $m - * @param string $s - * @return bool|string - */ - private function rsassa_pss_verify($m, $s) - { - // Length checking - - if (strlen($s) != $this->k) { - return false; - } - - // RSA verification - - $modBits = 8 * $this->k; - - $s2 = $this->os2ip($s); - $m2 = $this->rsavp1($s2); - $em = $this->i2osp($m2, $modBits >> 3); - if ($em === false) { - return false; - } - - // EMSA-PSS verification - - return $this->emsa_pss_verify($m, $em, $modBits - 1); - } - - /** - * EMSA-PKCS1-V1_5-ENCODE - * - * See {@link http://tools.ietf.org/html/rfc3447#section-9.2 RFC3447#section-9.2}. - * - * @access private - * @param string $m - * @param int $emLen - * @throws \LengthException if the intended encoded message length is too short - * @return string - */ - private function emsa_pkcs1_v1_5_encode($m, $emLen) - { - $h = $this->hash->hash($m); - - // see http://tools.ietf.org/html/rfc3447#page-43 - switch ($this->hashName) { - case 'md2': - $t = "\x30\x20\x30\x0c\x06\x08\x2a\x86\x48\x86\xf7\x0d\x02\x02\x05\x00\x04\x10"; - break; - case 'md5': - $t = "\x30\x20\x30\x0c\x06\x08\x2a\x86\x48\x86\xf7\x0d\x02\x05\x05\x00\x04\x10"; - break; - case 'sha1': - $t = "\x30\x21\x30\x09\x06\x05\x2b\x0e\x03\x02\x1a\x05\x00\x04\x14"; - break; - case 'sha256': - $t = "\x30\x31\x30\x0d\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x01\x05\x00\x04\x20"; - break; - case 'sha384': - $t = "\x30\x41\x30\x0d\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x02\x05\x00\x04\x30"; - break; - case 'sha512': - $t = "\x30\x51\x30\x0d\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x03\x05\x00\x04\x40"; - break; - // from https://www.emc.com/collateral/white-papers/h11300-pkcs-1v2-2-rsa-cryptography-standard-wp.pdf#page=40 - case 'sha224': - $t = "\x30\x2d\x30\x0d\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x04\x05\x00\x04\x1c"; - break; - case 'sha512/224': - $t = "\x30\x2d\x30\x0d\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x05\x05\x00\x04\x1c"; - break; - case 'sha512/256': - $t = "\x30\x31\x30\x0d\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x06\x05\x00\x04\x20"; - } - $t.= $h; - $tLen = strlen($t); - - if ($emLen < $tLen + 11) { - throw new \LengthException('Intended encoded message length too short'); - } - - $ps = str_repeat(chr(0xFF), $emLen - $tLen - 3); - - $em = "\0\1$ps\0$t"; - - return $em; - } - - /** - * RSASSA-PKCS1-V1_5-SIGN - * - * See {@link http://tools.ietf.org/html/rfc3447#section-8.2.1 RFC3447#section-8.2.1}. - * - * @access private - * @param string $m - * @throws \LengthException if the RSA modulus is too short - * @return bool|string - */ - private function rsassa_pkcs1_v1_5_sign($m) - { - // EMSA-PKCS1-v1_5 encoding - - // If the encoding operation outputs "intended encoded message length too short," output "RSA modulus - // too short" and stop. - try { - $em = $this->emsa_pkcs1_v1_5_encode($m, $this->k); - } catch (\LengthException $e) { - throw new \LengthException('RSA modulus too short'); - } - - // RSA signature - - $m = $this->os2ip($em); - $s = $this->rsasp1($m); - $s = $this->i2osp($s, $this->k); - - // Output the signature S - - return $s; - } - - /** - * RSASSA-PKCS1-V1_5-VERIFY - * - * See {@link http://tools.ietf.org/html/rfc3447#section-8.2.2 RFC3447#section-8.2.2}. - * - * @access private - * @param string $m - * @param string $s - * @throws \LengthException if the RSA modulus is too short - * @return bool - */ - private function rsassa_pkcs1_v1_5_verify($m, $s) - { - // Length checking - - if (strlen($s) != $this->k) { - return false; - } - - // RSA verification - - $s = $this->os2ip($s); - $m2 = $this->rsavp1($s); - $em = $this->i2osp($m2, $this->k); - if ($em === false) { - return false; - } - - // EMSA-PKCS1-v1_5 encoding - - // If the encoding operation outputs "intended encoded message length too short," output "RSA modulus - // too short" and stop. - try { - $em2 = $this->emsa_pkcs1_v1_5_encode($m, $this->k); - } catch (\LengthException $e) { - throw new \LengthException('RSA modulus too short'); - } - - // Compare - return Strings::equals($em, $em2); - } - - /** - * RSASSA-PKCS1-V1_5-VERIFY (relaxed matching) - * - * Per {@link http://tools.ietf.org/html/rfc3447#page-43 RFC3447#page-43} PKCS1 v1.5 - * specified the use BER encoding rather than DER encoding that PKCS1 v2.0 specified. - * This means that under rare conditions you can have a perfectly valid v1.5 signature - * that fails to validate with _rsassa_pkcs1_v1_5_verify(). PKCS1 v2.1 also recommends - * that if you're going to validate these types of signatures you "should indicate - * whether the underlying BER encoding is a DER encoding and hence whether the signature - * is valid with respect to the specification given in [PKCS1 v2.0+]". so if you do - * $rsa->getLastPadding() and get RSA::PADDING_RELAXED_PKCS1 back instead of - * RSA::PADDING_PKCS1... that means BER encoding was used. - * - * @access private - * @param string $m - * @param string $s - * @return bool - */ - private function rsassa_pkcs1_v1_5_relaxed_verify($m, $s) - { - // Length checking - - if (strlen($s) != $this->k) { - return false; - } - - // RSA verification - - $s = $this->os2ip($s); - $m2 = $this->rsavp1($s); - if ($m2 === false) { - return false; - } - $em = $this->i2osp($m2, $this->k); - if ($em === false) { - return false; - } - - if (Strings::shift($em, 2) != "\0\1") { - return false; - } - - $em = ltrim($em, "\xFF"); - if (Strings::shift($em) != "\0") { - return false; - } - - $decoded = ASN1::decodeBER($em); - if (!is_array($decoded) || empty($decoded[0]) || strlen($em) > $decoded[0]['length']) { - return false; - } - - static $oids; - if (!isset($oids)) { - $oids = [ - '1.2.840.113549.2.2' => 'md2', - '1.2.840.113549.2.4' => 'md4', // from PKCS1 v1.5 - '1.2.840.113549.2.5' => 'md5', - '1.3.14.3.2.26' => 'id-sha1', - '2.16.840.1.101.3.4.2.1' => 'id-sha256', - '2.16.840.1.101.3.4.2.2' => 'id-sha384', - '2.16.840.1.101.3.4.2.3' => 'id-sha512', - // from PKCS1 v2.2 - '2.16.840.1.101.3.4.2.4' => 'id-sha224', - '2.16.840.1.101.3.4.2.5' => 'id-sha512/224', - '2.16.840.1.101.3.4.2.6' => 'id-sha512/256', - ]; - ASN1::loadOIDs($oids); - } - - $decoded = ASN1::asn1map($decoded[0], DigestInfo::MAP); - if (!isset($decoded) || $decoded === false) { - return false; - } - - if (!in_array($decoded['digestAlgorithm']['algorithm'], $oids)) { - return false; - } - - $hash = $decoded['digestAlgorithm']['algorithm']; - $hash = substr($hash, 0, 3) == 'id-' ? - substr($hash, 3) : - $hash; - $hash = new Hash($hash); - $em = $hash->hash($m); - $em2 = $decoded['digest']; - - return Strings::equals($em, $em2); - } - - /** - * Encryption - * - * Both self::PADDING_OAEP and self::PADDING_PKCS1 both place limits on how long $plaintext can be. - * If $plaintext exceeds those limits it will be broken up so that it does and the resultant ciphertext's will - * be concatenated together. - * - * @see self::decrypt() - * @access public - * @param string $plaintext - * @param int $padding optional - * @return bool|string - * @throws \LengthException if the RSA modulus is too short - */ - public function encrypt($plaintext, $padding = self::PADDING_OAEP) - { - switch ($padding) { - case self::PADDING_NONE: - return $this->raw_encrypt($plaintext); - case self::PADDING_PKCS15_COMPAT: - case self::PADDING_PKCS1: - return $this->rsaes_pkcs1_v1_5_encrypt($plaintext, $padding == self::PADDING_PKCS15_COMPAT); - //case self::PADDING_OAEP: - default: - return $this->rsaes_oaep_encrypt($plaintext); - } - } - - /** - * Decryption - * - * @see self::encrypt() - * @access public - * @param string $plaintext - * @param int $padding optional - * @return bool|string - */ - public function decrypt($ciphertext, $padding = self::PADDING_OAEP) - { - switch ($padding) { - case self::PADDING_NONE: - return $this->raw_encrypt($ciphertext); - case self::PADDING_PKCS1: - return $this->rsaes_pkcs1_v1_5_decrypt($ciphertext); - //case self::PADDING_OAEP: - default: - return $this->rsaes_oaep_decrypt($ciphertext); - } - } - - /** - * Create a signature - * - * @see self::verify() - * @access public - * @param string $message - * @param int $padding optional - * @return string - */ - public function sign($message, $padding = self::PADDING_PSS) - { - if (empty($this->modulus) || empty($this->exponent)) { - return false; - } - - switch ($padding) { - case self::PADDING_PKCS1: - case self::PADDING_RELAXED_PKCS1: - return $this->rsassa_pkcs1_v1_5_sign($message); - //case self::PADDING_PSS: - default: - return $this->rsassa_pss_sign($message); - } - } - - /** - * Verifies a signature - * - * @see self::sign() - * @access public - * @param string $message - * @param string $signature - * @param int $padding optional - * @return bool - */ - public function verify($message, $signature, $padding = self::PADDING_PSS) - { - if (empty($this->modulus) || empty($this->exponent)) { - return false; - } - - switch ($padding) { - case self::PADDING_RELAXED_PKCS1: - return $this->rsassa_pkcs1_v1_5_relaxed_verify($message, $signature); - case self::PADDING_PKCS1: - return $this->rsassa_pkcs1_v1_5_verify($message, $signature); - //case self::PADDING_PSS: - default: - return $this->rsassa_pss_verify($message, $signature); - } - } -} diff --git a/lib/phpaes/phpseclib/Crypt/RSA/Keys/MSBLOB.php b/lib/phpaes/phpseclib/Crypt/RSA/Keys/MSBLOB.php deleted file mode 100644 index 8ac478e05d..0000000000 --- a/lib/phpaes/phpseclib/Crypt/RSA/Keys/MSBLOB.php +++ /dev/null @@ -1,213 +0,0 @@ - - * @copyright 2015 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt\RSA\Keys; - -use ParagonIE\ConstantTime\Base64; -use phpseclib\Math\BigInteger; -use phpseclib\Common\Functions\Strings; - -/** - * Microsoft BLOB Formatted RSA Key Handler - * - * @package RSA - * @author Jim Wigginton - * @access public - */ -abstract class MSBLOB -{ - /**#@+ - * @access private - */ - /** - * Public/Private Key Pair - */ - const PRIVATEKEYBLOB = 0x7; - /** - * Public Key - */ - const PUBLICKEYBLOB = 0x6; - /** - * Public Key - */ - const PUBLICKEYBLOBEX = 0xA; - /** - * RSA public key exchange algorithm - */ - const CALG_RSA_KEYX = 0x0000A400; - /** - * RSA public key exchange algorithm - */ - const CALG_RSA_SIGN = 0x00002400; - /** - * Public Key - */ - const RSA1 = 0x31415352; - /** - * Private Key - */ - const RSA2 = 0x32415352; - /**#@-*/ - - /** - * Break a public or private key down into its constituent components - * - * @access public - * @param string $key - * @param string $password optional - * @return array - */ - public static function load($key, $password = '') - { - if (!is_string($key)) { - return false; - } - - $key = Base64::decode($key); - - if (!is_string($key) || strlen($key) < 20) { - return false; - } - - // PUBLICKEYSTRUC publickeystruc - // https://msdn.microsoft.com/en-us/library/windows/desktop/aa387453(v=vs.85).aspx - extract(unpack('atype/aversion/vreserved/Valgo', Strings::shift($key, 8))); - switch (ord($type)) { - case self::PUBLICKEYBLOB: - case self::PUBLICKEYBLOBEX: - $publickey = true; - break; - case self::PRIVATEKEYBLOB: - $publickey = false; - break; - default: - return false; - } - - $components = ['isPublicKey' => $publickey]; - - // https://msdn.microsoft.com/en-us/library/windows/desktop/aa375549(v=vs.85).aspx - switch ($algo) { - case self::CALG_RSA_KEYX: - case self::CALG_RSA_SIGN: - break; - default: - return false; - } - - // RSAPUBKEY rsapubkey - // https://msdn.microsoft.com/en-us/library/windows/desktop/aa387685(v=vs.85).aspx - // could do V for pubexp but that's unsigned 32-bit whereas some PHP installs only do signed 32-bit - extract(unpack('Vmagic/Vbitlen/a4pubexp', Strings::shift($key, 12))); - switch ($magic) { - case self::RSA2: - $components['isPublicKey'] = false; - case self::RSA1: - break; - default: - return false; - } - - $baseLength = $bitlen / 16; - if (strlen($key) != 2 * $baseLength && strlen($key) != 9 * $baseLength) { - return false; - } - - $components[$components['isPublicKey'] ? 'publicExponent' : 'privateExponent'] = new BigInteger(strrev($pubexp), 256); - // BYTE modulus[rsapubkey.bitlen/8] - $components['modulus'] = new BigInteger(strrev(Strings::shift($key, $bitlen / 8)), 256); - - if ($publickey) { - return $components; - } - - $components['isPublicKey'] = false; - - // BYTE prime1[rsapubkey.bitlen/16] - $components['primes'] = [1 => new BigInteger(strrev(Strings::shift($key, $bitlen / 16)), 256)]; - // BYTE prime2[rsapubkey.bitlen/16] - $components['primes'][] = new BigInteger(strrev(Strings::shift($key, $bitlen / 16)), 256); - // BYTE exponent1[rsapubkey.bitlen/16] - $components['exponents'] = [1 => new BigInteger(strrev(Strings::shift($key, $bitlen / 16)), 256)]; - // BYTE exponent2[rsapubkey.bitlen/16] - $components['exponents'][] = new BigInteger(strrev(Strings::shift($key, $bitlen / 16)), 256); - // BYTE coefficient[rsapubkey.bitlen/16] - $components['coefficients'] = [2 => new BigInteger(strrev(Strings::shift($key, $bitlen / 16)), 256)]; - if (isset($components['privateExponent'])) { - $components['publicExponent'] = $components['privateExponent']; - } - // BYTE privateExponent[rsapubkey.bitlen/8] - $components['privateExponent'] = new BigInteger(strrev(Strings::shift($key, $bitlen / 8)), 256); - - return $components; - } - - /** - * Convert a private key to the appropriate format. - * - * @access public - * @param \phpseclib\Math\BigInteger $n - * @param \phpseclib\Math\BigInteger $e - * @param \phpseclib\Math\BigInteger $d - * @param array $primes - * @param array $exponents - * @param array $coefficients - * @param string $password optional - * @return string - */ - public static function savePrivateKey(BigInteger $n, BigInteger $e, BigInteger $d, $primes, $exponents, $coefficients, $password = '') - { - if (count($primes) != 2) { - throw new \InvalidArgumentException('MSBLOB does not support multi-prime RSA keys'); - } - - $n = strrev($n->toBytes()); - $e = str_pad(strrev($e->toBytes()), 4, "\0"); - $key = pack('aavV', chr(self::PRIVATEKEYBLOB), chr(2), 0, self::CALG_RSA_KEYX); - $key.= pack('VVa*', self::RSA2, 8 * strlen($n), $e); - $key.= $n; - $key.= strrev($primes[1]->toBytes()); - $key.= strrev($primes[2]->toBytes()); - $key.= strrev($exponents[1]->toBytes()); - $key.= strrev($exponents[2]->toBytes()); - $key.= strrev($coefficients[1]->toBytes()); - $key.= strrev($d->toBytes()); - - return Base64::encode($key); - } - - /** - * Convert a public key to the appropriate format - * - * @access public - * @param \phpseclib\Math\BigInteger $n - * @param \phpseclib\Math\BigInteger $e - * @return string - */ - public static function savePublicKey(BigInteger $n, BigInteger $e) - { - $n = strrev($n->toBytes()); - $e = str_pad(strrev($e->toBytes()), 4, "\0"); - $key = pack('aavV', chr(self::PUBLICKEYBLOB), chr(2), 0, self::CALG_RSA_KEYX); - $key.= pack('VVa*', self::RSA1, 8 * strlen($n), $e); - $key.= $n; - - return Base64::encode($key); - } -} diff --git a/lib/phpaes/phpseclib/Crypt/RSA/Keys/OpenSSH.php b/lib/phpaes/phpseclib/Crypt/RSA/Keys/OpenSSH.php deleted file mode 100644 index 40f2033085..0000000000 --- a/lib/phpaes/phpseclib/Crypt/RSA/Keys/OpenSSH.php +++ /dev/null @@ -1,83 +0,0 @@ - - * @copyright 2015 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt\RSA\Keys; - -use ParagonIE\ConstantTime\Base64; -use phpseclib\Math\BigInteger; -use phpseclib\Common\Functions\Strings; -use phpseclib\Crypt\Common\Keys\OpenSSH as Progenitor; - -/** - * OpenSSH Formatted RSA Key Handler - * - * @package RSA - * @author Jim Wigginton - * @access public - */ -abstract class OpenSSH extends Progenitor -{ - /** - * Break a public or private key down into its constituent components - * - * @access public - * @param string $key - * @param string $password optional - * @return array - */ - public static function load($key, $password = '') - { - $key = parent::load($key, 'ssh-rsa'); - if ($key === false) { - return false; - } - - $result = Strings::unpackSSH2('ii', $key); - if ($result === false) { - return false; - } - list($publicExponent, $modulus) = $result; - - return [ - 'isPublicKey' => true, - 'modulus' => $modulus, - 'publicExponent' => $publicExponent, - 'comment' => parent::getComment($key) - ]; - } - - /** - * Convert a public key to the appropriate format - * - * @access public - * @param \phpseclib\Math\BigInteger $n - * @param \phpseclib\Math\BigInteger $e - * @return string - */ - public static function savePublicKey(BigInteger $n, BigInteger $e) - { - $RSAPublicKey = Strings::packSSH2('sii', 'ssh-rsa', $e, $n); - - if (self::$binary) { - return $RSAPublicKey; - } - - $RSAPublicKey = 'ssh-rsa ' . Base64::encode($RSAPublicKey) . ' ' . self::$comment; - - return $RSAPublicKey; - } -} diff --git a/lib/phpaes/phpseclib/Crypt/RSA/Keys/PKCS1.php b/lib/phpaes/phpseclib/Crypt/RSA/Keys/PKCS1.php deleted file mode 100644 index 125927ce1d..0000000000 --- a/lib/phpaes/phpseclib/Crypt/RSA/Keys/PKCS1.php +++ /dev/null @@ -1,151 +0,0 @@ - - * @copyright 2015 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt\RSA\Keys; - -use phpseclib\Math\BigInteger; -use phpseclib\Crypt\Common\Keys\PKCS1 as Progenitor; -use phpseclib\File\ASN1; -use phpseclib\File\ASN1\Maps; - -/** - * PKCS#1 Formatted RSA Key Handler - * - * @package RSA - * @author Jim Wigginton - * @access public - */ -abstract class PKCS1 extends Progenitor -{ - /** - * Break a public or private key down into its constituent components - * - * @access public - * @param string $key - * @param string $password optional - * @return array - */ - public static function load($key, $password = '') - { - if (!is_string($key)) { - return false; - } - - $components = ['isPublicKey' => strpos($key, 'PUBLIC') !== false]; - - $key = parent::load($key, $password); - if ($key === false) { - return false; - } - - $decoded = ASN1::decodeBER($key); - if (empty($decoded)) { - return false; - } - - $key = ASN1::asn1map($decoded[0], Maps\RSAPrivateKey::MAP); - if (is_array($key)) { - $components+= [ - 'modulus' => $key['modulus'], - 'publicExponent' => $key['publicExponent'], - 'privateExponent' => $key['privateExponent'], - 'primes' => [1 => $key['prime1'], $key['prime2']], - 'exponents' => [1 => $key['exponent1'], $key['exponent2']], - 'coefficients' => [2 => $key['coefficient']] - ]; - if ($key['version'] == 'multi') { - foreach ($key['otherPrimeInfos'] as $primeInfo) { - $components['primes'][] = $primeInfo['prime']; - $components['exponents'][] = $primeInfo['exponent']; - $components['coefficients'][] = $primeInfo['coefficient']; - } - } - return $components; - } - - $key = ASN1::asn1map($decoded[0], Maps\RSAPublicKey::MAP); - - return is_array($key) ? $components + $key : false; - } - - /** - * Convert a private key to the appropriate format. - * - * @access public - * @param \phpseclib\Math\BigInteger $n - * @param \phpseclib\Math\BigInteger $e - * @param \phpseclib\Math\BigInteger $d - * @param array $primes - * @param array $exponents - * @param array $coefficients - * @param string $password optional - * @return string - */ - public static function savePrivateKey(BigInteger $n, BigInteger $e, BigInteger $d, $primes, $exponents, $coefficients, $password = '') - { - $num_primes = count($primes); - $key = [ - 'version' => $num_primes == 2 ? 'two-prime' : 'multi', - 'modulus' => $n, - 'publicExponent' => $e, - 'privateExponent' => $d, - 'prime1' => $primes[1], - 'prime2' => $primes[2], - 'exponent1' => $exponents[1], - 'exponent2' => $exponents[2], - 'coefficient' => $coefficients[2] - ]; - for ($i = 3; $i <= $num_primes; $i++) { - $key['otherPrimeInfos'][] = [ - 'prime' => $primes[$i], - 'exponent' => $exponents[$i], - 'coefficient' => $coefficients[$i] - ]; - } - - $key = ASN1::encodeDER($key, Maps\RSAPrivateKey::MAP); - - return self::wrapPrivateKey($key, 'RSA', $password); - } - - /** - * Convert a public key to the appropriate format - * - * @access public - * @param \phpseclib\Math\BigInteger $n - * @param \phpseclib\Math\BigInteger $e - * @return string - */ - public static function savePublicKey(BigInteger $n, BigInteger $e) - { - $key = [ - 'modulus' => $n, - 'publicExponent' => $e - ]; - - $key = ASN1::encodeDER($key, Maps\RSAPublicKey::MAP); - - return self::wrapPublicKey($key, 'RSA'); - } -} diff --git a/lib/phpaes/phpseclib/Crypt/RSA/Keys/PKCS8.php b/lib/phpaes/phpseclib/Crypt/RSA/Keys/PKCS8.php deleted file mode 100644 index 382fb2b71b..0000000000 --- a/lib/phpaes/phpseclib/Crypt/RSA/Keys/PKCS8.php +++ /dev/null @@ -1,133 +0,0 @@ - - * @copyright 2015 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt\RSA\Keys; - -use phpseclib\Math\BigInteger; -use phpseclib\Crypt\Common\Keys\PKCS8 as Progenitor; -use phpseclib\File\ASN1; - -/** - * PKCS#1 Formatted RSA Key Handler - * - * @package RSA - * @author Jim Wigginton - * @access public - */ -abstract class PKCS8 extends Progenitor -{ - /** - * OID Name - * - * @var string - * @access private - */ - const OID_NAME = 'rsaEncryption'; - - /** - * OID Value - * - * @var string - * @access private - */ - const OID_VALUE = '1.2.840.113549.1.1.1'; - - /** - * Child OIDs loaded - * - * @var bool - * @access private - */ - protected static $childOIDsLoaded = false; - - /** - * Break a public or private key down into its constituent components - * - * @access public - * @param string $key - * @param string $password optional - * @return array - */ - public static function load($key, $password = '') - { - if (!is_string($key)) { - return false; - } - - $components = ['isPublicKey' => strpos($key, 'PUBLIC') !== false]; - - $key = parent::load($key, $password); - if ($key === false) { - return false; - } - - $type = isset($key['privateKey']) ? 'private' : 'public'; - - $result = $components + PKCS1::load($key[$type . 'Key']); - - if (isset($key['meta'])) { - $result['meta'] = $key['meta']; - } - - return $result; - } - - /** - * Convert a private key to the appropriate format. - * - * @access public - * @param \phpseclib\Math\BigInteger $n - * @param \phpseclib\Math\BigInteger $e - * @param \phpseclib\Math\BigInteger $d - * @param array $primes - * @param array $exponents - * @param array $coefficients - * @param string $password optional - * @return string - */ - public static function savePrivateKey(BigInteger $n, BigInteger $e, BigInteger $d, $primes, $exponents, $coefficients, $password = '') - { - $key = PKCS1::savePrivateKey($n, $e, $d, $primes, $exponents, $coefficients); - $key = ASN1::extractBER($key); - return self::wrapPrivateKey($key, [], null, $password); - } - - /** - * Convert a public key to the appropriate format - * - * @access public - * @param \phpseclib\Math\BigInteger $n - * @param \phpseclib\Math\BigInteger $e - * @return string - */ - public static function savePublicKey(BigInteger $n, BigInteger $e) - { - $key = PKCS1::savePublicKey($n, $e); - $key = ASN1::extractBER($key); - return self::wrapPublicKey($key, null); - } -} diff --git a/lib/phpaes/phpseclib/Crypt/RSA/Keys/PuTTY.php b/lib/phpaes/phpseclib/Crypt/RSA/Keys/PuTTY.php deleted file mode 100644 index 4353fd0212..0000000000 --- a/lib/phpaes/phpseclib/Crypt/RSA/Keys/PuTTY.php +++ /dev/null @@ -1,129 +0,0 @@ - - * @copyright 2015 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt\RSA\Keys; - -use phpseclib\Math\BigInteger; -use phpseclib\Common\Functions\Strings; -use phpseclib\Crypt\Common\Keys\PuTTY as Progenitor; - -/** - * PuTTY Formatted RSA Key Handler - * - * @package RSA - * @author Jim Wigginton - * @access public - */ -abstract class PuTTY extends Progenitor -{ - /** - * Public Handler - * - * @var string - * @access private - */ - const PUBLIC_HANDLER = 'phpseclib\Crypt\RSA\Keys\OpenSSH'; - - /** - * Algorithm Identifier - * - * @var string - * @access private - */ - const TYPE = 'ssh-rsa'; - - /** - * Break a public or private key down into its constituent components - * - * @access public - * @param string $key - * @param string $password optional - * @return array - */ - public static function load($key, $password = '') - { - static $one; - if (!isset($one)) { - $one = new BigInteger(1); - } - - $components = parent::load($key, $password); - if ($components === false || !isset($components['private'])) { - return $components; - } - extract($components); - unset($components['public'], $components['private']); - - $isPublicKey = false; - - $result = Strings::unpackSSH2('ii', $public); - if ($result === false) { - return false; - } - list($publicExponent, $modulus) = $result; - - $result = Strings::unpackSSH2('iiii', $private); - if ($result === false) { - return false; - } - $primes = $coefficients = []; - list($privateExponent, $primes[1], $primes[2], $coefficients[2]) = $result; - - $temp = $primes[1]->subtract($one); - $exponents = [1 => $publicExponent->modInverse($temp)]; - $temp = $primes[2]->subtract($one); - $exponents[] = $publicExponent->modInverse($temp); - - return compact('publicExponent', 'modulus', 'privateExponent', 'primes', 'coefficients', 'exponents', 'comment', 'isPublicKey'); - } - - /** - * Convert a private key to the appropriate format. - * - * @access public - * @param \phpseclib\Math\BigInteger $n - * @param \phpseclib\Math\BigInteger $e - * @param \phpseclib\Math\BigInteger $d - * @param array $primes - * @param array $exponents - * @param array $coefficients - * @param string $password optional - * @return string - */ - public static function savePrivateKey(BigInteger $n, BigInteger $e, BigInteger $d, $primes, $exponents, $coefficients, $password = '') - { - if (count($primes) != 2) { - throw new \InvalidArgumentException('PuTTY does not support multi-prime RSA keys'); - } - - $public = Strings::packSSH2('ii', $e, $n); - $private = Strings::packSSH2('iiii', $d, $primes[1], $primes[2], $coefficients[2]); - - return self::wrapPrivateKey($public, $private, $password); - } - - /** - * Convert a public key to the appropriate format - * - * @access public - * @param \phpseclib\Math\BigInteger $n - * @param \phpseclib\Math\BigInteger $e - * @return string - */ - public static function savePublicKey(BigInteger $n, BigInteger $e) - { - return self::wrapPublicKey(Strings::packSSH2($e, $n)); - } -} diff --git a/lib/phpaes/phpseclib/Crypt/RSA/Keys/Raw.php b/lib/phpaes/phpseclib/Crypt/RSA/Keys/Raw.php deleted file mode 100644 index e2bd636c83..0000000000 --- a/lib/phpaes/phpseclib/Crypt/RSA/Keys/Raw.php +++ /dev/null @@ -1,104 +0,0 @@ - - * @copyright 2015 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt\RSA\Keys; - -use phpseclib\Math\BigInteger; - -/** - * Raw RSA Key Handler - * - * @package RSA - * @author Jim Wigginton - * @access public - */ -abstract class Raw -{ - /** - * Break a public or private key down into its constituent components - * - * @access public - * @param string $key - * @param string $password optional - * @return array - */ - public static function load($key, $password = '') - { - if (!is_array($key)) { - return false; - } - if (isset($key['isPublicKey']) && isset($key['modulus'])) { - if (isset($key['privateExponent']) || isset($key['publicExponent'])) { - if (!isset($key['primes'])) { - return $key; - } - if (isset($key['exponents']) && isset($key['coefficients']) && isset($key['publicExponent']) && isset($key['privateExponent'])) { - return $key; - } - } - } - $components = ['isPublicKey' => true]; - switch (true) { - case isset($key['e']): - $components['publicExponent'] = $key['e']; - break; - case isset($key['exponent']): - $components['publicExponent'] = $key['exponent']; - break; - case isset($key['publicExponent']): - $components['publicExponent'] = $key['publicExponent']; - break; - case isset($key[0]): - $components['publicExponent'] = $key[0]; - } - switch (true) { - case isset($key['n']): - $components['modulus'] = $key['n']; - break; - case isset($key['modulo']): - $components['modulus'] = $key['modulo']; - break; - case isset($key['modulus']): - $components['modulus'] = $key['modulus']; - break; - case isset($key[1]): - $components['modulus'] = $key[1]; - } - return isset($components['modulus']) && isset($components['publicExponent']) ? $components : false; - } - - /** - * Convert a public key to the appropriate format - * - * @access public - * @param \phpseclib\Math\BigInteger $n - * @param \phpseclib\Math\BigInteger $e - * @return string - */ - public static function savePublicKey(BigInteger $n, BigInteger $e) - { - return ['e' => clone $e, 'n' => clone $n]; - } -} diff --git a/lib/phpaes/phpseclib/Crypt/RSA/Keys/XML.php b/lib/phpaes/phpseclib/Crypt/RSA/Keys/XML.php deleted file mode 100644 index e24861f941..0000000000 --- a/lib/phpaes/phpseclib/Crypt/RSA/Keys/XML.php +++ /dev/null @@ -1,148 +0,0 @@ - - * @copyright 2015 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt\RSA\Keys; - -use ParagonIE\ConstantTime\Base64; -use phpseclib\Math\BigInteger; - -/** - * XML Formatted RSA Key Handler - * - * @package RSA - * @author Jim Wigginton - * @access public - */ -abstract class XML -{ - /** - * Break a public or private key down into its constituent components - * - * @access public - * @param string $key - * @param string $password optional - * @return array - */ - public static function load($key, $password = '') - { - if (!is_string($key)) { - return false; - } - - $components = [ - 'isPublicKey' => false, - 'primes' => [], - 'exponents' => [], - 'coefficients' => [] - ]; - - $use_errors = libxml_use_internal_errors(true); - - $dom = new \DOMDocument(); - if (!$dom->loadXML('' . $key . '')) { - return false; - } - $xpath = new \DOMXPath($dom); - $keys = ['modulus', 'exponent', 'p', 'q', 'dp', 'dq', 'inverseq', 'd']; - foreach ($keys as $key) { - // $dom->getElementsByTagName($key) is case-sensitive - $temp = $xpath->query("//*[translate(local-name(), 'ABCDEFGHIJKLMNOPQRSTUVWXYZ','abcdefghijklmnopqrstuvwxyz')='$key']"); - if (!$temp->length) { - continue; - } - $value = new BigInteger(Base64::decode($temp->item(0)->nodeValue), 256); - switch ($key) { - case 'modulus': - $components['modulus'] = $value; - break; - case 'exponent': - $components['publicExponent'] = $value; - break; - case 'p': - $components['primes'][1] = $value; - break; - case 'q': - $components['primes'][2] = $value; - break; - case 'dp': - $components['exponents'][1] = $value; - break; - case 'dq': - $components['exponents'][2] = $value; - break; - case 'inverseq': - $components['coefficients'][2] = $value; - break; - case 'd': - $components['privateExponent'] = $value; - } - } - - libxml_use_internal_errors($use_errors); - - return isset($components['modulus']) && isset($components['publicExponent']) ? $components : false; - } - - /** - * Convert a private key to the appropriate format. - * - * @access public - * @param \phpseclib\Math\BigInteger $n - * @param \phpseclib\Math\BigInteger $e - * @param \phpseclib\Math\BigInteger $d - * @param array $primes - * @param array $exponents - * @param array $coefficients - * @param string $password optional - * @return string - */ - public static function savePrivateKey(BigInteger $n, BigInteger $e, BigInteger $d, $primes, $exponents, $coefficients, $password = '') - { - if (count($primes) != 2) { - throw new \InvalidArgumentException('XML does not support multi-prime RSA keys'); - } - return "\r\n" . - ' ' . Base64::encode($n->toBytes()) . "\r\n" . - ' ' . Base64::encode($e->toBytes()) . "\r\n" . - '

' . Base64::encode($primes[1]->toBytes()) . "

\r\n" . - ' ' . Base64::encode($primes[2]->toBytes()) . "\r\n" . - ' ' . Base64::encode($exponents[1]->toBytes()) . "\r\n" . - ' ' . Base64::encode($exponents[2]->toBytes()) . "\r\n" . - ' ' . Base64::encode($coefficients[2]->toBytes()) . "\r\n" . - ' ' . Base64::encode($d->toBytes()) . "\r\n" . - ''; - } - - /** - * Convert a public key to the appropriate format - * - * @access public - * @param \phpseclib\Math\BigInteger $n - * @param \phpseclib\Math\BigInteger $e - * @return string - */ - public static function savePublicKey(BigInteger $n, BigInteger $e) - { - return "\r\n" . - ' ' . Base64::encode($n->toBytes()) . "\r\n" . - ' ' . Base64::encode($e->toBytes()) . "\r\n" . - ''; - } -} diff --git a/lib/phpaes/phpseclib/Crypt/Random.php b/lib/phpaes/phpseclib/Crypt/Random.php deleted file mode 100644 index 071f5ed8dd..0000000000 --- a/lib/phpaes/phpseclib/Crypt/Random.php +++ /dev/null @@ -1,222 +0,0 @@ - - * - * - * - * @category Crypt - * @package Random - * @author Jim Wigginton - * @copyright 2007 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt; - -use phpseclib\Crypt\Common\BlockCipher; - -/** - * Pure-PHP Random Number Generator - * - * @package Random - * @author Jim Wigginton - * @access public - */ -abstract class Random -{ - /** - * Generate a random string. - * - * Although microoptimizations are generally discouraged as they impair readability this function is ripe with - * microoptimizations because this function has the potential of being called a huge number of times. - * eg. for RSA key generation. - * - * @param int $length - * @throws \RuntimeException if a symmetric cipher is needed but not loaded - * @return string - */ - public static function string($length) - { - try { - return \random_bytes($length); - } catch (\Exception $e) { - // random_compat will throw an Exception, which in PHP 5 does not implement Throwable - } catch (\Throwable $e) { - // If a sufficient source of randomness is unavailable, random_bytes() will throw an - // object that implements the Throwable interface (Exception, TypeError, Error). - // We don't actually need to do anything here. The string() method should just continue - // as normal. Note, however, that if we don't have a sufficient source of randomness for - // random_bytes(), most of the other calls here will fail too, so we'll end up using - // the PHP implementation. - } - // at this point we have no choice but to use a pure-PHP CSPRNG - - // cascade entropy across multiple PHP instances by fixing the session and collecting all - // environmental variables, including the previous session data and the current session - // data. - // - // mt_rand seeds itself by looking at the PID and the time, both of which are (relatively) - // easy to guess at. linux uses mouse clicks, keyboard timings, etc, as entropy sources, but - // PHP isn't low level to be able to use those as sources and on a web server there's not likely - // going to be a ton of keyboard or mouse action. web servers do have one thing that we can use - // however, a ton of people visiting the website. obviously you don't want to base your seeding - // soley on parameters a potential attacker sends but (1) not everything in $_SERVER is controlled - // by the user and (2) this isn't just looking at the data sent by the current user - it's based - // on the data sent by all users. one user requests the page and a hash of their info is saved. - // another user visits the page and the serialization of their data is utilized along with the - // server envirnment stuff and a hash of the previous http request data (which itself utilizes - // a hash of the session data before that). certainly an attacker should be assumed to have - // full control over his own http requests. he, however, is not going to have control over - // everyone's http requests. - static $crypto = false, $v; - if ($crypto === false) { - // save old session data - $old_session_id = session_id(); - $old_use_cookies = ini_get('session.use_cookies'); - $old_session_cache_limiter = session_cache_limiter(); - $_OLD_SESSION = isset($_SESSION) ? $_SESSION : false; - if ($old_session_id != '') { - session_write_close(); - } - - session_id(1); - ini_set('session.use_cookies', 0); - session_cache_limiter(''); - session_start(); - - $v = (isset($_SERVER) ? self::safe_serialize($_SERVER) : '') . - (isset($_POST) ? self::safe_serialize($_POST) : '') . - (isset($_GET) ? self::safe_serialize($_GET) : '') . - (isset($_COOKIE) ? self::safe_serialize($_COOKIE) : '') . - self::safe_serialize($GLOBALS) . - self::safe_serialize($_SESSION) . - self::safe_serialize($_OLD_SESSION); - $v = $seed = $_SESSION['seed'] = sha1($v, true); - if (!isset($_SESSION['count'])) { - $_SESSION['count'] = 0; - } - $_SESSION['count']++; - - session_write_close(); - - // restore old session data - if ($old_session_id != '') { - session_id($old_session_id); - session_start(); - ini_set('session.use_cookies', $old_use_cookies); - session_cache_limiter($old_session_cache_limiter); - } else { - if ($_OLD_SESSION !== false) { - $_SESSION = $_OLD_SESSION; - unset($_OLD_SESSION); - } else { - unset($_SESSION); - } - } - - // in SSH2 a shared secret and an exchange hash are generated through the key exchange process. - // the IV client to server is the hash of that "nonce" with the letter A and for the encryption key it's the letter C. - // if the hash doesn't produce enough a key or an IV that's long enough concat successive hashes of the - // original hash and the current hash. we'll be emulating that. for more info see the following URL: - // - // http://tools.ietf.org/html/rfc4253#section-7.2 - // - // see the is_string($crypto) part for an example of how to expand the keys - $key = sha1($seed . 'A', true); - $iv = sha1($seed . 'C', true); - - // ciphers are used as per the nist.gov link below. also, see this link: - // - // http://en.wikipedia.org/wiki/Cryptographically_secure_pseudorandom_number_generator#Designs_based_on_cryptographic_primitives - switch (true) { - case class_exists('\phpseclib\Crypt\AES'): - $crypto = new AES(BlockCipher::MODE_CTR); - break; - case class_exists('\phpseclib\Crypt\Twofish'): - $crypto = new Twofish(BlockCipher::MODE_CTR); - break; - case class_exists('\phpseclib\Crypt\Blowfish'): - $crypto = new Blowfish(BlockCipher::MODE_CTR); - break; - case class_exists('\phpseclib\Crypt\TripleDES'): - $crypto = new TripleDES(BlockCipher::MODE_CTR); - break; - case class_exists('\phpseclib\Crypt\DES'): - $crypto = new DES(BlockCipher::MODE_CTR); - break; - case class_exists('\phpseclib\Crypt\RC4'): - $crypto = new RC4(); - break; - default: - throw new \RuntimeException(__CLASS__ . ' requires at least one symmetric cipher be loaded'); - } - - $crypto->setKey(substr($key, 0, $crypto->getKeyLength() >> 3)); - $crypto->setIV(substr($iv, 0, $crypto->getBlockLength() >> 3)); - $crypto->enableContinuousBuffer(); - } - - //return $crypto->encrypt(str_repeat("\0", $length)); - - // the following is based off of ANSI X9.31: - // - // http://csrc.nist.gov/groups/STM/cavp/documents/rng/931rngext.pdf - // - // OpenSSL uses that same standard for it's random numbers: - // - // http://www.opensource.apple.com/source/OpenSSL/OpenSSL-38/openssl/fips-1.0/rand/fips_rand.c - // (do a search for "ANS X9.31 A.2.4") - $result = ''; - while (strlen($result) < $length) { - $i = $crypto->encrypt(microtime()); // strlen(microtime()) == 21 - $r = $crypto->encrypt($i ^ $v); // strlen($v) == 20 - $v = $crypto->encrypt($r ^ $i); // strlen($r) == 20 - $result.= $r; - } - - return substr($result, 0, $length); - } - - /** - * Safely serialize variables - * - * If a class has a private __sleep() it'll emit a warning - * - * @param mixed $arr - * @access public - */ - private static function safe_serialize(&$arr) - { - if (is_object($arr)) { - return ''; - } - if (!is_array($arr)) { - return serialize($arr); - } - // prevent circular array recursion - if (isset($arr['__phpseclib_marker'])) { - return ''; - } - $safearr = []; - $arr['__phpseclib_marker'] = true; - foreach (array_keys($arr) as $key) { - // do not recurse on the '__phpseclib_marker' key itself, for smaller memory usage - if ($key !== '__phpseclib_marker') { - $safearr[$key] = self::safe_serialize($arr[$key]); - } - } - unset($arr['__phpseclib_marker']); - return serialize($safearr); - } -} diff --git a/lib/phpaes/phpseclib/Crypt/Rijndael.php b/lib/phpaes/phpseclib/Crypt/Rijndael.php deleted file mode 100644 index afb5d58edb..0000000000 --- a/lib/phpaes/phpseclib/Crypt/Rijndael.php +++ /dev/null @@ -1,938 +0,0 @@ - - * setKey('abcdefghijklmnop'); - * - * $size = 10 * 1024; - * $plaintext = ''; - * for ($i = 0; $i < $size; $i++) { - * $plaintext.= 'a'; - * } - * - * echo $rijndael->decrypt($rijndael->encrypt($plaintext)); - * ?> - * - * - * @category Crypt - * @package Rijndael - * @author Jim Wigginton - * @copyright 2008 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -//namespace phpseclib\Crypt; -// -//use phpseclib\Crypt\Common\BlockCipher; -include PHPAES_ROOT . '/phpseclib/Crypt/Common/BlockCipher.php'; - -/** - * Pure-PHP implementation of Rijndael. - * - * @package Rijndael - * @author Jim Wigginton - * @access public - */ -class Rijndael extends BlockCipher -{ - /** - * The mcrypt specific name of the cipher - * - * Mcrypt is useable for 128/192/256-bit $block_size/$key_length. For 160/224 not. - * \phpseclib\Crypt\Rijndael determines automatically whether mcrypt is useable - * or not for the current $block_size/$key_length. - * In case of, $cipher_name_mcrypt will be set dynamically at run time accordingly. - * - * @see \phpseclib\Crypt\Common\SymmetricKey::cipher_name_mcrypt - * @see \phpseclib\Crypt\Common\SymmetricKey::engine - * @see self::isValidEngine() - * @var string - * @access private - */ - protected $cipher_name_mcrypt = 'rijndael-128'; - - /** - * The Key Schedule - * - * @see self::setup() - * @var array - * @access private - */ - private $w; - - /** - * The Inverse Key Schedule - * - * @see self::setup() - * @var array - * @access private - */ - private $dw; - - /** - * The Block Length divided by 32 - * - * @see self::setBlockLength() - * @var int - * @access private - * @internal The max value is 256 / 32 = 8, the min value is 128 / 32 = 4. Exists in conjunction with $block_size - * because the encryption / decryption / key schedule creation requires this number and not $block_size. We could - * derive this from $block_size or vice versa, but that'd mean we'd have to do multiple shift operations, so in lieu - * of that, we'll just precompute it once. - */ - private $Nb = 4; - - /** - * The Key Length (in bytes) - * - * @see self::setKeyLength() - * @var int - * @access private - * @internal The max value is 256 / 8 = 32, the min value is 128 / 8 = 16. Exists in conjunction with $Nk - * because the encryption / decryption / key schedule creation requires this number and not $key_length. We could - * derive this from $key_length or vice versa, but that'd mean we'd have to do multiple shift operations, so in lieu - * of that, we'll just precompute it once. - */ - protected $key_length = 16; - - /** - * The Key Length divided by 32 - * - * @see self::setKeyLength() - * @var int - * @access private - * @internal The max value is 256 / 32 = 8, the min value is 128 / 32 = 4 - */ - private $Nk = 4; - - /** - * The Number of Rounds - * - * @var int - * @access private - * @internal The max value is 14, the min value is 10. - */ - private $Nr; - - /** - * Shift offsets - * - * @var array - * @access private - */ - private $c; - - /** - * Holds the last used key- and block_size information - * - * @var array - * @access private - */ - private $kl; - - /** - * Default Constructor. - * - * @param int $mode - * @access public - * @throws \InvalidArgumentException if an invalid / unsupported mode is provided - */ - public function __construct($mode) - { - if ($mode == self::MODE_STREAM) { - throw new \InvalidArgumentException('Block ciphers cannot be ran in stream mode'); - } - - parent::__construct($mode); - } - - /** - * Sets the key length. - * - * Valid key lengths are 128, 160, 192, 224, and 256. - * - * Note: phpseclib extends Rijndael (and AES) for using 160- and 224-bit keys but they are officially not defined - * and the most (if not all) implementations are not able using 160/224-bit keys but round/pad them up to - * 192/256 bits as, for example, mcrypt will do. - * - * That said, if you want be compatible with other Rijndael and AES implementations, - * you should not setKeyLength(160) or setKeyLength(224). - * - * Additional: In case of 160- and 224-bit keys, phpseclib will/can, for that reason, not use - * the mcrypt php extension, even if available. - * This results then in slower encryption. - * - * @access public - * @throws \LengthException if the key length is invalid - * @param int $length - */ - public function setKeyLength($length) - { - switch ($length) { - case 128: - case 160: - case 192: - case 224: - case 256: - $this->key_length = $length >> 3; - break; - default: - throw new \LengthException('Key size of ' . $length . ' bits is not supported by this algorithm. Only keys of sizes 128, 160, 192, 224 or 256 bits are supported'); - } - - parent::setKeyLength($length); - } - - /** - * Sets the key. - * - * Rijndael supports five different key lengths - * - * @see setKeyLength() - * @access public - * @param string $key - * @throws \LengthException if the key length isn't supported - */ - public function setKey($key) - { - switch (strlen($key)) { - case 16: - case 20: - case 24: - case 28: - case 32: - break; - default: - throw new \LengthException('Key of size ' . strlen($key) . ' not supported by this algorithm. Only keys of sizes 16, 20, 24, 28 or 32 are supported'); - } - - parent::setKey($key); - } - - /** - * Sets the block length - * - * Valid block lengths are 128, 160, 192, 224, and 256. - * - * @access public - * @param int $length - */ - public function setBlockLength($length) - { - switch ($length) { - case 128: - case 160: - case 192: - case 224: - case 256: - break; - default: - throw new \LengthException('Key size of ' . $length . ' bits is not supported by this algorithm. Only keys of sizes 128, 160, 192, 224 or 256 bits are supported'); - } - - $this->Nb = $length >> 5; - $this->block_size = $length >> 3; - $this->changed = true; - $this->setEngine(); - } - - /** - * Test for engine validity - * - * This is mainly just a wrapper to set things up for \phpseclib\Crypt\Common\SymmetricKey::isValidEngine() - * - * @see \phpseclib\Crypt\Common\SymmetricKey::__construct() - * @param int $engine - * @access public - * @return bool - */ - public function isValidEngine($engine) - { - switch ($engine) { - case self::ENGINE_OPENSSL: - if ($this->block_size != 16) { - return false; - } - $this->cipher_name_openssl_ecb = 'aes-' . ($this->key_length << 3) . '-ecb'; - $this->cipher_name_openssl = 'aes-' . ($this->key_length << 3) . '-' . $this->openssl_translate_mode(); - break; - case self::ENGINE_MCRYPT: - $this->cipher_name_mcrypt = 'rijndael-' . ($this->block_size << 3); - if ($this->key_length % 8) { // is it a 160/224-bit key? - // mcrypt is not usable for them, only for 128/192/256-bit keys - return false; - } - } - - return parent::isValidEngine($engine); - } - - /** - * Encrypts a block - * - * @access private - * @param string $in - * @return string - */ - protected function encryptBlock($in) - { - static $tables; - if (empty($tables)) { - $tables = &$this->getTables(); - } - $t0 = $tables[0]; - $t1 = $tables[1]; - $t2 = $tables[2]; - $t3 = $tables[3]; - $sbox = $tables[4]; - - $state = array(); - $words = unpack('N*', $in); - - $c = $this->c; - $w = $this->w; - $Nb = $this->Nb; - $Nr = $this->Nr; - - // addRoundKey - $wc = $Nb - 1; - foreach ($words as $word) { - $state[] = $word ^ $w[++$wc]; - } - - // fips-197.pdf#page=19, "Figure 5. Pseudo Code for the Cipher", states that this loop has four components - - // subBytes, shiftRows, mixColumns, and addRoundKey. fips-197.pdf#page=30, "Implementation Suggestions Regarding - // Various Platforms" suggests that performs enhanced implementations are described in Rijndael-ammended.pdf. - // Rijndael-ammended.pdf#page=20, "Implementation aspects / 32-bit processor", discusses such an optimization. - // Unfortunately, the description given there is not quite correct. Per aes.spec.v316.pdf#page=19 [1], - // equation (7.4.7) is supposed to use addition instead of subtraction, so we'll do that here, as well. - - // [1] http://fp.gladman.plus.com/cryptography_technology/rijndael/aes.spec.v316.pdf - $temp = array(); - for ($round = 1; $round < $Nr; ++$round) { - $i = 0; // $c[0] == 0 - $j = $c[1]; - $k = $c[2]; - $l = $c[3]; - - while ($i < $Nb) { - $temp[$i] = $t0[$state[$i] >> 24 & 0x000000FF] ^ - $t1[$state[$j] >> 16 & 0x000000FF] ^ - $t2[$state[$k] >> 8 & 0x000000FF] ^ - $t3[$state[$l] & 0x000000FF] ^ - $w[++$wc]; - ++$i; - $j = ($j + 1) % $Nb; - $k = ($k + 1) % $Nb; - $l = ($l + 1) % $Nb; - } - $state = $temp; - } - - // subWord - for ($i = 0; $i < $Nb; ++$i) { - $state[$i] = $sbox[$state[$i] & 0x000000FF] | - ($sbox[$state[$i] >> 8 & 0x000000FF] << 8) | - ($sbox[$state[$i] >> 16 & 0x000000FF] << 16) | - ($sbox[$state[$i] >> 24 & 0x000000FF] << 24); - } - - // shiftRows + addRoundKey - $i = 0; // $c[0] == 0 - $j = $c[1]; - $k = $c[2]; - $l = $c[3]; - while ($i < $Nb) { - $temp[$i] = ($state[$i] & 0xFF000000) ^ - ($state[$j] & 0x00FF0000) ^ - ($state[$k] & 0x0000FF00) ^ - ($state[$l] & 0x000000FF) ^ - $w[$i]; - ++$i; - $j = ($j + 1) % $Nb; - $k = ($k + 1) % $Nb; - $l = ($l + 1) % $Nb; - } - - switch ($Nb) { - case 8: - return pack('N*', $temp[0], $temp[1], $temp[2], $temp[3], $temp[4], $temp[5], $temp[6], $temp[7]); - case 7: - return pack('N*', $temp[0], $temp[1], $temp[2], $temp[3], $temp[4], $temp[5], $temp[6]); - case 6: - return pack('N*', $temp[0], $temp[1], $temp[2], $temp[3], $temp[4], $temp[5]); - case 5: - return pack('N*', $temp[0], $temp[1], $temp[2], $temp[3], $temp[4]); - default: - return pack('N*', $temp[0], $temp[1], $temp[2], $temp[3]); - } - } - - /** - * Decrypts a block - * - * @access private - * @param string $in - * @return string - */ - protected function decryptBlock($in) - { - static $invtables; - if (empty($invtables)) { - $invtables = &$this->getInvTables(); - } - $dt0 = $invtables[0]; - $dt1 = $invtables[1]; - $dt2 = $invtables[2]; - $dt3 = $invtables[3]; - $isbox = $invtables[4]; - - $state = array(); - $words = unpack('N*', $in); - - $c = $this->c; - $dw = $this->dw; - $Nb = $this->Nb; - $Nr = $this->Nr; - - // addRoundKey - $wc = $Nb - 1; - foreach ($words as $word) { - $state[] = $word ^ $dw[++$wc]; - } - - $temp = array(); - for ($round = $Nr - 1; $round > 0; --$round) { - $i = 0; // $c[0] == 0 - $j = $Nb - $c[1]; - $k = $Nb - $c[2]; - $l = $Nb - $c[3]; - - while ($i < $Nb) { - $temp[$i] = $dt0[$state[$i] >> 24 & 0x000000FF] ^ - $dt1[$state[$j] >> 16 & 0x000000FF] ^ - $dt2[$state[$k] >> 8 & 0x000000FF] ^ - $dt3[$state[$l] & 0x000000FF] ^ - $dw[++$wc]; - ++$i; - $j = ($j + 1) % $Nb; - $k = ($k + 1) % $Nb; - $l = ($l + 1) % $Nb; - } - $state = $temp; - } - - // invShiftRows + invSubWord + addRoundKey - $i = 0; // $c[0] == 0 - $j = $Nb - $c[1]; - $k = $Nb - $c[2]; - $l = $Nb - $c[3]; - - while ($i < $Nb) { - $word = ($state[$i] & 0xFF000000) | - ($state[$j] & 0x00FF0000) | - ($state[$k] & 0x0000FF00) | - ($state[$l] & 0x000000FF); - - $temp[$i] = $dw[$i] ^ ($isbox[$word & 0x000000FF] | - ($isbox[$word >> 8 & 0x000000FF] << 8) | - ($isbox[$word >> 16 & 0x000000FF] << 16) | - ($isbox[$word >> 24 & 0x000000FF] << 24)); - ++$i; - $j = ($j + 1) % $Nb; - $k = ($k + 1) % $Nb; - $l = ($l + 1) % $Nb; - } - - switch ($Nb) { - case 8: - return pack('N*', $temp[0], $temp[1], $temp[2], $temp[3], $temp[4], $temp[5], $temp[6], $temp[7]); - case 7: - return pack('N*', $temp[0], $temp[1], $temp[2], $temp[3], $temp[4], $temp[5], $temp[6]); - case 6: - return pack('N*', $temp[0], $temp[1], $temp[2], $temp[3], $temp[4], $temp[5]); - case 5: - return pack('N*', $temp[0], $temp[1], $temp[2], $temp[3], $temp[4]); - default: - return pack('N*', $temp[0], $temp[1], $temp[2], $temp[3]); - } - } - - /** - * Setup the key (expansion) - * - * @see \phpseclib\Crypt\Common\SymmetricKey::setupKey() - * @access private - */ - protected function setupKey() - { - // Each number in $rcon is equal to the previous number multiplied by two in Rijndael's finite field. - // See http://en.wikipedia.org/wiki/Finite_field_arithmetic#Multiplicative_inverse - static $rcon = array(0, - 0x01000000, 0x02000000, 0x04000000, 0x08000000, 0x10000000, - 0x20000000, 0x40000000, 0x80000000, 0x1B000000, 0x36000000, - 0x6C000000, 0xD8000000, 0xAB000000, 0x4D000000, 0x9A000000, - 0x2F000000, 0x5E000000, 0xBC000000, 0x63000000, 0xC6000000, - 0x97000000, 0x35000000, 0x6A000000, 0xD4000000, 0xB3000000, - 0x7D000000, 0xFA000000, 0xEF000000, 0xC5000000, 0x91000000 - ); - - if (isset($this->kl['key']) && $this->key === $this->kl['key'] && $this->key_length === $this->kl['key_length'] && $this->block_size === $this->kl['block_size']) { - // already expanded - return; - } - $this->kl = array('key' => $this->key, 'key_length' => $this->key_length, 'block_size' => $this->block_size); - - $this->Nk = $this->key_length >> 2; - // see Rijndael-ammended.pdf#page=44 - $this->Nr = max($this->Nk, $this->Nb) + 6; - - // shift offsets for Nb = 5, 7 are defined in Rijndael-ammended.pdf#page=44, - // "Table 8: Shift offsets in Shiftrow for the alternative block lengths" - // shift offsets for Nb = 4, 6, 8 are defined in Rijndael-ammended.pdf#page=14, - // "Table 2: Shift offsets for different block lengths" - switch ($this->Nb) { - case 4: - case 5: - case 6: - $this->c = array(0, 1, 2, 3); - break; - case 7: - $this->c = array(0, 1, 2, 4); - break; - case 8: - $this->c = array(0, 1, 3, 4); - } - - $w = array_values(unpack('N*words', $this->key)); - - $length = $this->Nb * ($this->Nr + 1); - for ($i = $this->Nk; $i < $length; $i++) { - $temp = $w[$i - 1]; - if ($i % $this->Nk == 0) { - // according to , "the size of an integer is platform-dependent". - // on a 32-bit machine, it's 32-bits, and on a 64-bit machine, it's 64-bits. on a 32-bit machine, - // 0xFFFFFFFF << 8 == 0xFFFFFF00, but on a 64-bit machine, it equals 0xFFFFFFFF00. as such, doing 'and' - // with 0xFFFFFFFF (or 0xFFFFFF00) on a 32-bit machine is unnecessary, but on a 64-bit machine, it is. - $temp = (($temp << 8) & 0xFFFFFF00) | (($temp >> 24) & 0x000000FF); // rotWord - $temp = $this->subWord($temp) ^ $rcon[$i / $this->Nk]; - } elseif ($this->Nk > 6 && $i % $this->Nk == 4) { - $temp = $this->subWord($temp); - } - $w[$i] = $w[$i - $this->Nk] ^ $temp; - } - - // convert the key schedule from a vector of $Nb * ($Nr + 1) length to a matrix with $Nr + 1 rows and $Nb columns - // and generate the inverse key schedule. more specifically, - // according to (section 5.3.3), - // "The key expansion for the Inverse Cipher is defined as follows: - // 1. Apply the Key Expansion. - // 2. Apply InvMixColumn to all Round Keys except the first and the last one." - // also, see fips-197.pdf#page=27, "5.3.5 Equivalent Inverse Cipher" - list($dt0, $dt1, $dt2, $dt3) = $this->getInvTables(); - $temp = $this->w = $this->dw = array(); - for ($i = $row = $col = 0; $i < $length; $i++, $col++) { - if ($col == $this->Nb) { - if ($row == 0) { - $this->dw[0] = $this->w[0]; - } else { - // subWord + invMixColumn + invSubWord = invMixColumn - $j = 0; - while ($j < $this->Nb) { - $dw = $this->subWord($this->w[$row][$j]); - $temp[$j] = $dt0[$dw >> 24 & 0x000000FF] ^ - $dt1[$dw >> 16 & 0x000000FF] ^ - $dt2[$dw >> 8 & 0x000000FF] ^ - $dt3[$dw & 0x000000FF]; - $j++; - } - $this->dw[$row] = $temp; - } - - $col = 0; - $row++; - } - $this->w[$row][$col] = $w[$i]; - } - - $this->dw[$row] = $this->w[$row]; - - // Converting to 1-dim key arrays (both ascending) - $this->dw = array_reverse($this->dw); - $w = array_pop($this->w); - $dw = array_pop($this->dw); - foreach ($this->w as $r => $wr) { - foreach ($wr as $c => $wc) { - $w[] = $wc; - $dw[] = $this->dw[$r][$c]; - } - } - $this->w = $w; - $this->dw = $dw; - } - - /** - * Performs S-Box substitutions - * - * @access private - * @param int $word - */ - private function subWord($word) - { - static $sbox; - if (empty($sbox)) { - list(, , , , $sbox) = self::getTables(); - } - - return $sbox[$word & 0x000000FF] | - ($sbox[$word >> 8 & 0x000000FF] << 8) | - ($sbox[$word >> 16 & 0x000000FF] << 16) | - ($sbox[$word >> 24 & 0x000000FF] << 24); - } - - /** - * Provides the mixColumns and sboxes tables - * - * @see self::encryptBlock() - * @see self::setupInlineCrypt() - * @see self::subWord() - * @access private - * @return array &$tables - */ - private function &getTables() - { - static $tables; - if (empty($tables)) { - // according to (section 5.2.1), - // precomputed tables can be used in the mixColumns phase. in that example, they're assigned t0...t3, so - // those are the names we'll use. - $t3 = array_map('intval', array( - // with array_map('intval', ...) we ensure we have only int's and not - // some slower floats converted by php automatically on high values - 0x6363A5C6, 0x7C7C84F8, 0x777799EE, 0x7B7B8DF6, 0xF2F20DFF, 0x6B6BBDD6, 0x6F6FB1DE, 0xC5C55491, - 0x30305060, 0x01010302, 0x6767A9CE, 0x2B2B7D56, 0xFEFE19E7, 0xD7D762B5, 0xABABE64D, 0x76769AEC, - 0xCACA458F, 0x82829D1F, 0xC9C94089, 0x7D7D87FA, 0xFAFA15EF, 0x5959EBB2, 0x4747C98E, 0xF0F00BFB, - 0xADADEC41, 0xD4D467B3, 0xA2A2FD5F, 0xAFAFEA45, 0x9C9CBF23, 0xA4A4F753, 0x727296E4, 0xC0C05B9B, - 0xB7B7C275, 0xFDFD1CE1, 0x9393AE3D, 0x26266A4C, 0x36365A6C, 0x3F3F417E, 0xF7F702F5, 0xCCCC4F83, - 0x34345C68, 0xA5A5F451, 0xE5E534D1, 0xF1F108F9, 0x717193E2, 0xD8D873AB, 0x31315362, 0x15153F2A, - 0x04040C08, 0xC7C75295, 0x23236546, 0xC3C35E9D, 0x18182830, 0x9696A137, 0x05050F0A, 0x9A9AB52F, - 0x0707090E, 0x12123624, 0x80809B1B, 0xE2E23DDF, 0xEBEB26CD, 0x2727694E, 0xB2B2CD7F, 0x75759FEA, - 0x09091B12, 0x83839E1D, 0x2C2C7458, 0x1A1A2E34, 0x1B1B2D36, 0x6E6EB2DC, 0x5A5AEEB4, 0xA0A0FB5B, - 0x5252F6A4, 0x3B3B4D76, 0xD6D661B7, 0xB3B3CE7D, 0x29297B52, 0xE3E33EDD, 0x2F2F715E, 0x84849713, - 0x5353F5A6, 0xD1D168B9, 0x00000000, 0xEDED2CC1, 0x20206040, 0xFCFC1FE3, 0xB1B1C879, 0x5B5BEDB6, - 0x6A6ABED4, 0xCBCB468D, 0xBEBED967, 0x39394B72, 0x4A4ADE94, 0x4C4CD498, 0x5858E8B0, 0xCFCF4A85, - 0xD0D06BBB, 0xEFEF2AC5, 0xAAAAE54F, 0xFBFB16ED, 0x4343C586, 0x4D4DD79A, 0x33335566, 0x85859411, - 0x4545CF8A, 0xF9F910E9, 0x02020604, 0x7F7F81FE, 0x5050F0A0, 0x3C3C4478, 0x9F9FBA25, 0xA8A8E34B, - 0x5151F3A2, 0xA3A3FE5D, 0x4040C080, 0x8F8F8A05, 0x9292AD3F, 0x9D9DBC21, 0x38384870, 0xF5F504F1, - 0xBCBCDF63, 0xB6B6C177, 0xDADA75AF, 0x21216342, 0x10103020, 0xFFFF1AE5, 0xF3F30EFD, 0xD2D26DBF, - 0xCDCD4C81, 0x0C0C1418, 0x13133526, 0xECEC2FC3, 0x5F5FE1BE, 0x9797A235, 0x4444CC88, 0x1717392E, - 0xC4C45793, 0xA7A7F255, 0x7E7E82FC, 0x3D3D477A, 0x6464ACC8, 0x5D5DE7BA, 0x19192B32, 0x737395E6, - 0x6060A0C0, 0x81819819, 0x4F4FD19E, 0xDCDC7FA3, 0x22226644, 0x2A2A7E54, 0x9090AB3B, 0x8888830B, - 0x4646CA8C, 0xEEEE29C7, 0xB8B8D36B, 0x14143C28, 0xDEDE79A7, 0x5E5EE2BC, 0x0B0B1D16, 0xDBDB76AD, - 0xE0E03BDB, 0x32325664, 0x3A3A4E74, 0x0A0A1E14, 0x4949DB92, 0x06060A0C, 0x24246C48, 0x5C5CE4B8, - 0xC2C25D9F, 0xD3D36EBD, 0xACACEF43, 0x6262A6C4, 0x9191A839, 0x9595A431, 0xE4E437D3, 0x79798BF2, - 0xE7E732D5, 0xC8C8438B, 0x3737596E, 0x6D6DB7DA, 0x8D8D8C01, 0xD5D564B1, 0x4E4ED29C, 0xA9A9E049, - 0x6C6CB4D8, 0x5656FAAC, 0xF4F407F3, 0xEAEA25CF, 0x6565AFCA, 0x7A7A8EF4, 0xAEAEE947, 0x08081810, - 0xBABAD56F, 0x787888F0, 0x25256F4A, 0x2E2E725C, 0x1C1C2438, 0xA6A6F157, 0xB4B4C773, 0xC6C65197, - 0xE8E823CB, 0xDDDD7CA1, 0x74749CE8, 0x1F1F213E, 0x4B4BDD96, 0xBDBDDC61, 0x8B8B860D, 0x8A8A850F, - 0x707090E0, 0x3E3E427C, 0xB5B5C471, 0x6666AACC, 0x4848D890, 0x03030506, 0xF6F601F7, 0x0E0E121C, - 0x6161A3C2, 0x35355F6A, 0x5757F9AE, 0xB9B9D069, 0x86869117, 0xC1C15899, 0x1D1D273A, 0x9E9EB927, - 0xE1E138D9, 0xF8F813EB, 0x9898B32B, 0x11113322, 0x6969BBD2, 0xD9D970A9, 0x8E8E8907, 0x9494A733, - 0x9B9BB62D, 0x1E1E223C, 0x87879215, 0xE9E920C9, 0xCECE4987, 0x5555FFAA, 0x28287850, 0xDFDF7AA5, - 0x8C8C8F03, 0xA1A1F859, 0x89898009, 0x0D0D171A, 0xBFBFDA65, 0xE6E631D7, 0x4242C684, 0x6868B8D0, - 0x4141C382, 0x9999B029, 0x2D2D775A, 0x0F0F111E, 0xB0B0CB7B, 0x5454FCA8, 0xBBBBD66D, 0x16163A2C - )); - - foreach ($t3 as $t3i) { - $t0[] = (($t3i << 24) & 0xFF000000) | (($t3i >> 8) & 0x00FFFFFF); - $t1[] = (($t3i << 16) & 0xFFFF0000) | (($t3i >> 16) & 0x0000FFFF); - $t2[] = (($t3i << 8) & 0xFFFFFF00) | (($t3i >> 24) & 0x000000FF); - } - - $tables = array( - // The Precomputed mixColumns tables t0 - t3 - $t0, - $t1, - $t2, - $t3, - // The SubByte S-Box - array( - 0x63, 0x7C, 0x77, 0x7B, 0xF2, 0x6B, 0x6F, 0xC5, 0x30, 0x01, 0x67, 0x2B, 0xFE, 0xD7, 0xAB, 0x76, - 0xCA, 0x82, 0xC9, 0x7D, 0xFA, 0x59, 0x47, 0xF0, 0xAD, 0xD4, 0xA2, 0xAF, 0x9C, 0xA4, 0x72, 0xC0, - 0xB7, 0xFD, 0x93, 0x26, 0x36, 0x3F, 0xF7, 0xCC, 0x34, 0xA5, 0xE5, 0xF1, 0x71, 0xD8, 0x31, 0x15, - 0x04, 0xC7, 0x23, 0xC3, 0x18, 0x96, 0x05, 0x9A, 0x07, 0x12, 0x80, 0xE2, 0xEB, 0x27, 0xB2, 0x75, - 0x09, 0x83, 0x2C, 0x1A, 0x1B, 0x6E, 0x5A, 0xA0, 0x52, 0x3B, 0xD6, 0xB3, 0x29, 0xE3, 0x2F, 0x84, - 0x53, 0xD1, 0x00, 0xED, 0x20, 0xFC, 0xB1, 0x5B, 0x6A, 0xCB, 0xBE, 0x39, 0x4A, 0x4C, 0x58, 0xCF, - 0xD0, 0xEF, 0xAA, 0xFB, 0x43, 0x4D, 0x33, 0x85, 0x45, 0xF9, 0x02, 0x7F, 0x50, 0x3C, 0x9F, 0xA8, - 0x51, 0xA3, 0x40, 0x8F, 0x92, 0x9D, 0x38, 0xF5, 0xBC, 0xB6, 0xDA, 0x21, 0x10, 0xFF, 0xF3, 0xD2, - 0xCD, 0x0C, 0x13, 0xEC, 0x5F, 0x97, 0x44, 0x17, 0xC4, 0xA7, 0x7E, 0x3D, 0x64, 0x5D, 0x19, 0x73, - 0x60, 0x81, 0x4F, 0xDC, 0x22, 0x2A, 0x90, 0x88, 0x46, 0xEE, 0xB8, 0x14, 0xDE, 0x5E, 0x0B, 0xDB, - 0xE0, 0x32, 0x3A, 0x0A, 0x49, 0x06, 0x24, 0x5C, 0xC2, 0xD3, 0xAC, 0x62, 0x91, 0x95, 0xE4, 0x79, - 0xE7, 0xC8, 0x37, 0x6D, 0x8D, 0xD5, 0x4E, 0xA9, 0x6C, 0x56, 0xF4, 0xEA, 0x65, 0x7A, 0xAE, 0x08, - 0xBA, 0x78, 0x25, 0x2E, 0x1C, 0xA6, 0xB4, 0xC6, 0xE8, 0xDD, 0x74, 0x1F, 0x4B, 0xBD, 0x8B, 0x8A, - 0x70, 0x3E, 0xB5, 0x66, 0x48, 0x03, 0xF6, 0x0E, 0x61, 0x35, 0x57, 0xB9, 0x86, 0xC1, 0x1D, 0x9E, - 0xE1, 0xF8, 0x98, 0x11, 0x69, 0xD9, 0x8E, 0x94, 0x9B, 0x1E, 0x87, 0xE9, 0xCE, 0x55, 0x28, 0xDF, - 0x8C, 0xA1, 0x89, 0x0D, 0xBF, 0xE6, 0x42, 0x68, 0x41, 0x99, 0x2D, 0x0F, 0xB0, 0x54, 0xBB, 0x16 - ) - ); - } - return $tables; - } - - /** - * Provides the inverse mixColumns and inverse sboxes tables - * - * @see self::decryptBlock() - * @see self::setupInlineCrypt() - * @see self::setupKey() - * @access private - * @return array &$tables - */ - private function &getInvTables() - { - static $tables; - if (empty($tables)) { - $dt3 = array_map('intval', array( - 0xF4A75051, 0x4165537E, 0x17A4C31A, 0x275E963A, 0xAB6BCB3B, 0x9D45F11F, 0xFA58ABAC, 0xE303934B, - 0x30FA5520, 0x766DF6AD, 0xCC769188, 0x024C25F5, 0xE5D7FC4F, 0x2ACBD7C5, 0x35448026, 0x62A38FB5, - 0xB15A49DE, 0xBA1B6725, 0xEA0E9845, 0xFEC0E15D, 0x2F7502C3, 0x4CF01281, 0x4697A38D, 0xD3F9C66B, - 0x8F5FE703, 0x929C9515, 0x6D7AEBBF, 0x5259DA95, 0xBE832DD4, 0x7421D358, 0xE0692949, 0xC9C8448E, - 0xC2896A75, 0x8E7978F4, 0x583E6B99, 0xB971DD27, 0xE14FB6BE, 0x88AD17F0, 0x20AC66C9, 0xCE3AB47D, - 0xDF4A1863, 0x1A3182E5, 0x51336097, 0x537F4562, 0x6477E0B1, 0x6BAE84BB, 0x81A01CFE, 0x082B94F9, - 0x48685870, 0x45FD198F, 0xDE6C8794, 0x7BF8B752, 0x73D323AB, 0x4B02E272, 0x1F8F57E3, 0x55AB2A66, - 0xEB2807B2, 0xB5C2032F, 0xC57B9A86, 0x3708A5D3, 0x2887F230, 0xBFA5B223, 0x036ABA02, 0x16825CED, - 0xCF1C2B8A, 0x79B492A7, 0x07F2F0F3, 0x69E2A14E, 0xDAF4CD65, 0x05BED506, 0x34621FD1, 0xA6FE8AC4, - 0x2E539D34, 0xF355A0A2, 0x8AE13205, 0xF6EB75A4, 0x83EC390B, 0x60EFAA40, 0x719F065E, 0x6E1051BD, - 0x218AF93E, 0xDD063D96, 0x3E05AEDD, 0xE6BD464D, 0x548DB591, 0xC45D0571, 0x06D46F04, 0x5015FF60, - 0x98FB2419, 0xBDE997D6, 0x4043CC89, 0xD99E7767, 0xE842BDB0, 0x898B8807, 0x195B38E7, 0xC8EEDB79, - 0x7C0A47A1, 0x420FE97C, 0x841EC9F8, 0x00000000, 0x80868309, 0x2BED4832, 0x1170AC1E, 0x5A724E6C, - 0x0EFFFBFD, 0x8538560F, 0xAED51E3D, 0x2D392736, 0x0FD9640A, 0x5CA62168, 0x5B54D19B, 0x362E3A24, - 0x0A67B10C, 0x57E70F93, 0xEE96D2B4, 0x9B919E1B, 0xC0C54F80, 0xDC20A261, 0x774B695A, 0x121A161C, - 0x93BA0AE2, 0xA02AE5C0, 0x22E0433C, 0x1B171D12, 0x090D0B0E, 0x8BC7ADF2, 0xB6A8B92D, 0x1EA9C814, - 0xF1198557, 0x75074CAF, 0x99DDBBEE, 0x7F60FDA3, 0x01269FF7, 0x72F5BC5C, 0x663BC544, 0xFB7E345B, - 0x4329768B, 0x23C6DCCB, 0xEDFC68B6, 0xE4F163B8, 0x31DCCAD7, 0x63851042, 0x97224013, 0xC6112084, - 0x4A247D85, 0xBB3DF8D2, 0xF93211AE, 0x29A16DC7, 0x9E2F4B1D, 0xB230F3DC, 0x8652EC0D, 0xC1E3D077, - 0xB3166C2B, 0x70B999A9, 0x9448FA11, 0xE9642247, 0xFC8CC4A8, 0xF03F1AA0, 0x7D2CD856, 0x3390EF22, - 0x494EC787, 0x38D1C1D9, 0xCAA2FE8C, 0xD40B3698, 0xF581CFA6, 0x7ADE28A5, 0xB78E26DA, 0xADBFA43F, - 0x3A9DE42C, 0x78920D50, 0x5FCC9B6A, 0x7E466254, 0x8D13C2F6, 0xD8B8E890, 0x39F75E2E, 0xC3AFF582, - 0x5D80BE9F, 0xD0937C69, 0xD52DA96F, 0x2512B3CF, 0xAC993BC8, 0x187DA710, 0x9C636EE8, 0x3BBB7BDB, - 0x267809CD, 0x5918F46E, 0x9AB701EC, 0x4F9AA883, 0x956E65E6, 0xFFE67EAA, 0xBCCF0821, 0x15E8E6EF, - 0xE79BD9BA, 0x6F36CE4A, 0x9F09D4EA, 0xB07CD629, 0xA4B2AF31, 0x3F23312A, 0xA59430C6, 0xA266C035, - 0x4EBC3774, 0x82CAA6FC, 0x90D0B0E0, 0xA7D81533, 0x04984AF1, 0xECDAF741, 0xCD500E7F, 0x91F62F17, - 0x4DD68D76, 0xEFB04D43, 0xAA4D54CC, 0x9604DFE4, 0xD1B5E39E, 0x6A881B4C, 0x2C1FB8C1, 0x65517F46, - 0x5EEA049D, 0x8C355D01, 0x877473FA, 0x0B412EFB, 0x671D5AB3, 0xDBD25292, 0x105633E9, 0xD647136D, - 0xD7618C9A, 0xA10C7A37, 0xF8148E59, 0x133C89EB, 0xA927EECE, 0x61C935B7, 0x1CE5EDE1, 0x47B13C7A, - 0xD2DF599C, 0xF2733F55, 0x14CE7918, 0xC737BF73, 0xF7CDEA53, 0xFDAA5B5F, 0x3D6F14DF, 0x44DB8678, - 0xAFF381CA, 0x68C43EB9, 0x24342C38, 0xA3405FC2, 0x1DC37216, 0xE2250CBC, 0x3C498B28, 0x0D9541FF, - 0xA8017139, 0x0CB3DE08, 0xB4E49CD8, 0x56C19064, 0xCB84617B, 0x32B670D5, 0x6C5C7448, 0xB85742D0 - )); - - foreach ($dt3 as $dt3i) { - $dt0[] = (($dt3i << 24) & 0xFF000000) | (($dt3i >> 8) & 0x00FFFFFF); - $dt1[] = (($dt3i << 16) & 0xFFFF0000) | (($dt3i >> 16) & 0x0000FFFF); - $dt2[] = (($dt3i << 8) & 0xFFFFFF00) | (($dt3i >> 24) & 0x000000FF); - }; - - $tables = array( - // The Precomputed inverse mixColumns tables dt0 - dt3 - $dt0, - $dt1, - $dt2, - $dt3, - // The inverse SubByte S-Box - array( - 0x52, 0x09, 0x6A, 0xD5, 0x30, 0x36, 0xA5, 0x38, 0xBF, 0x40, 0xA3, 0x9E, 0x81, 0xF3, 0xD7, 0xFB, - 0x7C, 0xE3, 0x39, 0x82, 0x9B, 0x2F, 0xFF, 0x87, 0x34, 0x8E, 0x43, 0x44, 0xC4, 0xDE, 0xE9, 0xCB, - 0x54, 0x7B, 0x94, 0x32, 0xA6, 0xC2, 0x23, 0x3D, 0xEE, 0x4C, 0x95, 0x0B, 0x42, 0xFA, 0xC3, 0x4E, - 0x08, 0x2E, 0xA1, 0x66, 0x28, 0xD9, 0x24, 0xB2, 0x76, 0x5B, 0xA2, 0x49, 0x6D, 0x8B, 0xD1, 0x25, - 0x72, 0xF8, 0xF6, 0x64, 0x86, 0x68, 0x98, 0x16, 0xD4, 0xA4, 0x5C, 0xCC, 0x5D, 0x65, 0xB6, 0x92, - 0x6C, 0x70, 0x48, 0x50, 0xFD, 0xED, 0xB9, 0xDA, 0x5E, 0x15, 0x46, 0x57, 0xA7, 0x8D, 0x9D, 0x84, - 0x90, 0xD8, 0xAB, 0x00, 0x8C, 0xBC, 0xD3, 0x0A, 0xF7, 0xE4, 0x58, 0x05, 0xB8, 0xB3, 0x45, 0x06, - 0xD0, 0x2C, 0x1E, 0x8F, 0xCA, 0x3F, 0x0F, 0x02, 0xC1, 0xAF, 0xBD, 0x03, 0x01, 0x13, 0x8A, 0x6B, - 0x3A, 0x91, 0x11, 0x41, 0x4F, 0x67, 0xDC, 0xEA, 0x97, 0xF2, 0xCF, 0xCE, 0xF0, 0xB4, 0xE6, 0x73, - 0x96, 0xAC, 0x74, 0x22, 0xE7, 0xAD, 0x35, 0x85, 0xE2, 0xF9, 0x37, 0xE8, 0x1C, 0x75, 0xDF, 0x6E, - 0x47, 0xF1, 0x1A, 0x71, 0x1D, 0x29, 0xC5, 0x89, 0x6F, 0xB7, 0x62, 0x0E, 0xAA, 0x18, 0xBE, 0x1B, - 0xFC, 0x56, 0x3E, 0x4B, 0xC6, 0xD2, 0x79, 0x20, 0x9A, 0xDB, 0xC0, 0xFE, 0x78, 0xCD, 0x5A, 0xF4, - 0x1F, 0xDD, 0xA8, 0x33, 0x88, 0x07, 0xC7, 0x31, 0xB1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xEC, 0x5F, - 0x60, 0x51, 0x7F, 0xA9, 0x19, 0xB5, 0x4A, 0x0D, 0x2D, 0xE5, 0x7A, 0x9F, 0x93, 0xC9, 0x9C, 0xEF, - 0xA0, 0xE0, 0x3B, 0x4D, 0xAE, 0x2A, 0xF5, 0xB0, 0xC8, 0xEB, 0xBB, 0x3C, 0x83, 0x53, 0x99, 0x61, - 0x17, 0x2B, 0x04, 0x7E, 0xBA, 0x77, 0xD6, 0x26, 0xE1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0C, 0x7D - ) - ); - } - return $tables; - } - - /** - * Setup the performance-optimized function for de/encrypt() - * - * @see \phpseclib\Crypt\Common\SymmetricKey::setupInlineCrypt() - * @access private - */ - protected function setupInlineCrypt() - { - $w = $this->w; - $dw = $this->dw; - $init_encrypt = ''; - $init_decrypt = ''; - - $Nr = $this->Nr; - $Nb = $this->Nb; - $c = $this->c; - - // Generating encrypt code: - $init_encrypt.= ' - static $tables; - if (empty($tables)) { - $tables = &$this->getTables(); - } - $t0 = $tables[0]; - $t1 = $tables[1]; - $t2 = $tables[2]; - $t3 = $tables[3]; - $sbox = $tables[4]; - '; - - $s = 'e'; - $e = 's'; - $wc = $Nb - 1; - - // Preround: addRoundKey - $encrypt_block = '$in = unpack("N*", $in);'."\n"; - for ($i = 0; $i < $Nb; ++$i) { - $encrypt_block .= '$s'.$i.' = $in['.($i + 1).'] ^ '.$w[++$wc].";\n"; - } - - // Mainrounds: shiftRows + subWord + mixColumns + addRoundKey - for ($round = 1; $round < $Nr; ++$round) { - list($s, $e) = array($e, $s); - for ($i = 0; $i < $Nb; ++$i) { - $encrypt_block.= - '$'.$e.$i.' = - $t0[($'.$s.$i .' >> 24) & 0xff] ^ - $t1[($'.$s.(($i + $c[1]) % $Nb).' >> 16) & 0xff] ^ - $t2[($'.$s.(($i + $c[2]) % $Nb).' >> 8) & 0xff] ^ - $t3[ $'.$s.(($i + $c[3]) % $Nb).' & 0xff] ^ - '.$w[++$wc].";\n"; - } - } - - // Finalround: subWord + shiftRows + addRoundKey - for ($i = 0; $i < $Nb; ++$i) { - $encrypt_block.= - '$'.$e.$i.' = - $sbox[ $'.$e.$i.' & 0xff] | - ($sbox[($'.$e.$i.' >> 8) & 0xff] << 8) | - ($sbox[($'.$e.$i.' >> 16) & 0xff] << 16) | - ($sbox[($'.$e.$i.' >> 24) & 0xff] << 24);'."\n"; - } - $encrypt_block .= '$in = pack("N*"'."\n"; - for ($i = 0; $i < $Nb; ++$i) { - $encrypt_block.= ', - ($'.$e.$i .' & '.((int)0xFF000000).') ^ - ($'.$e.(($i + $c[1]) % $Nb).' & 0x00FF0000 ) ^ - ($'.$e.(($i + $c[2]) % $Nb).' & 0x0000FF00 ) ^ - ($'.$e.(($i + $c[3]) % $Nb).' & 0x000000FF ) ^ - '.$w[$i]."\n"; - } - $encrypt_block .= ');'; - - // Generating decrypt code: - $init_decrypt.= ' - static $invtables; - if (empty($invtables)) { - $invtables = &$this->getInvTables(); - } - $dt0 = $invtables[0]; - $dt1 = $invtables[1]; - $dt2 = $invtables[2]; - $dt3 = $invtables[3]; - $isbox = $invtables[4]; - '; - - $s = 'e'; - $e = 's'; - $wc = $Nb - 1; - - // Preround: addRoundKey - $decrypt_block = '$in = unpack("N*", $in);'."\n"; - for ($i = 0; $i < $Nb; ++$i) { - $decrypt_block .= '$s'.$i.' = $in['.($i + 1).'] ^ '.$dw[++$wc].';'."\n"; - } - - // Mainrounds: shiftRows + subWord + mixColumns + addRoundKey - for ($round = 1; $round < $Nr; ++$round) { - list($s, $e) = array($e, $s); - for ($i = 0; $i < $Nb; ++$i) { - $decrypt_block.= - '$'.$e.$i.' = - $dt0[($'.$s.$i .' >> 24) & 0xff] ^ - $dt1[($'.$s.(($Nb + $i - $c[1]) % $Nb).' >> 16) & 0xff] ^ - $dt2[($'.$s.(($Nb + $i - $c[2]) % $Nb).' >> 8) & 0xff] ^ - $dt3[ $'.$s.(($Nb + $i - $c[3]) % $Nb).' & 0xff] ^ - '.$dw[++$wc].";\n"; - } - } - - // Finalround: subWord + shiftRows + addRoundKey - for ($i = 0; $i < $Nb; ++$i) { - $decrypt_block.= - '$'.$e.$i.' = - $isbox[ $'.$e.$i.' & 0xff] | - ($isbox[($'.$e.$i.' >> 8) & 0xff] << 8) | - ($isbox[($'.$e.$i.' >> 16) & 0xff] << 16) | - ($isbox[($'.$e.$i.' >> 24) & 0xff] << 24);'."\n"; - } - $decrypt_block .= '$in = pack("N*"'."\n"; - for ($i = 0; $i < $Nb; ++$i) { - $decrypt_block.= ', - ($'.$e.$i. ' & '.((int)0xFF000000).') ^ - ($'.$e.(($Nb + $i - $c[1]) % $Nb).' & 0x00FF0000 ) ^ - ($'.$e.(($Nb + $i - $c[2]) % $Nb).' & 0x0000FF00 ) ^ - ($'.$e.(($Nb + $i - $c[3]) % $Nb).' & 0x000000FF ) ^ - '.$dw[$i]."\n"; - } - $decrypt_block .= ');'; - - $this->inline_crypt = $this->createInlineCryptFunction( - array( - 'init_crypt' => '', - 'init_encrypt' => $init_encrypt, - 'init_decrypt' => $init_decrypt, - 'encrypt_block' => $encrypt_block, - 'decrypt_block' => $decrypt_block - ) - ); - } -} diff --git a/lib/phpaes/phpseclib/Crypt/TripleDES.php b/lib/phpaes/phpseclib/Crypt/TripleDES.php deleted file mode 100644 index b597d29dea..0000000000 --- a/lib/phpaes/phpseclib/Crypt/TripleDES.php +++ /dev/null @@ -1,459 +0,0 @@ - - * setKey('abcdefghijklmnopqrstuvwx'); - * - * $size = 10 * 1024; - * $plaintext = ''; - * for ($i = 0; $i < $size; $i++) { - * $plaintext.= 'a'; - * } - * - * echo $des->decrypt($des->encrypt($plaintext)); - * ?> - * - * - * @category Crypt - * @package TripleDES - * @author Jim Wigginton - * @copyright 2007 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt; - -/** - * Pure-PHP implementation of Triple DES. - * - * @package TripleDES - * @author Jim Wigginton - * @access public - */ -class TripleDES extends DES -{ - /** - * Encrypt / decrypt using inner chaining - * - * Inner chaining is used by SSH-1 and is generally considered to be less secure then outer chaining (self::MODE_CBC3). - */ - const MODE_3CBC = -2; - - /** - * Encrypt / decrypt using outer chaining - * - * Outer chaining is used by SSH-2 and when the mode is set to \phpseclib\Crypt\Common\BlockCipher::MODE_CBC. - */ - const MODE_CBC3 = self::MODE_CBC; - - /** - * Key Length (in bytes) - * - * @see \phpseclib\Crypt\TripleDES::setKeyLength() - * @var int - * @access private - */ - protected $key_length = 24; - - /** - * The mcrypt specific name of the cipher - * - * @see \phpseclib\Crypt\DES::cipher_name_mcrypt - * @see \phpseclib\Crypt\Common\SymmetricKey::cipher_name_mcrypt - * @var string - * @access private - */ - protected $cipher_name_mcrypt = 'tripledes'; - - /** - * Optimizing value while CFB-encrypting - * - * @see \phpseclib\Crypt\Common\SymmetricKey::cfb_init_len - * @var int - * @access private - */ - protected $cfb_init_len = 750; - - /** - * max possible size of $key - * - * @see self::setKey() - * @see \phpseclib\Crypt\DES::setKey() - * @var string - * @access private - */ - protected $key_length_max = 24; - - /** - * Internal flag whether using self::MODE_3CBC or not - * - * @var bool - * @access private - */ - private $mode_3cbc; - - /** - * The \phpseclib\Crypt\DES objects - * - * Used only if $mode_3cbc === true - * - * @var array - * @access private - */ - private $des; - - /** - * Default Constructor. - * - * Determines whether or not the mcrypt or OpenSSL extensions should be used. - * - * $mode could be: - * - * - \phpseclib\Crypt\Common\BlockCipher::MODE_ECB - * - * - \phpseclib\Crypt\Common\BlockCipher::MODE_CBC - * - * - \phpseclib\Crypt\Common\BlockCipher::MODE_CTR - * - * - \phpseclib\Crypt\Common\BlockCipher::MODE_CFB - * - * - \phpseclib\Crypt\Common\BlockCipher::MODE_OFB - * - * - \phpseclib\Crypt\TripleDES::MODE_3CB - * - * @see \phpseclib\Crypt\DES::__construct() - * @see \phpseclib\Crypt\Common\SymmetricKey::__construct() - * @param int $mode - * @access public - */ - public function __construct($mode) - { - switch ($mode) { - // In case of self::MODE_3CBC, we init as CRYPT_DES_MODE_CBC - // and additional flag us internally as 3CBC - case self::MODE_3CBC: - parent::__construct(self::MODE_CBC); - $this->mode_3cbc = true; - - // This three $des'es will do the 3CBC work (if $key > 64bits) - $this->des = [ - new DES(self::MODE_CBC), - new DES(self::MODE_CBC), - new DES(self::MODE_CBC), - ]; - - // we're going to be doing the padding, ourselves, so disable it in the \phpseclib\Crypt\DES objects - $this->des[0]->disablePadding(); - $this->des[1]->disablePadding(); - $this->des[2]->disablePadding(); - break; - // If not 3CBC, we init as usual - default: - parent::__construct($mode); - } - } - - /** - * Test for engine validity - * - * This is mainly just a wrapper to set things up for \phpseclib\Crypt\Common\SymmetricKey::isValidEngine() - * - * @see \phpseclib\Crypt\Common\SymmetricKey::__construct() - * @param int $engine - * @access public - * @return bool - */ - public function isValidEngine($engine) - { - if ($engine == self::ENGINE_OPENSSL) { - $this->cipher_name_openssl_ecb = 'des-ede3'; - $mode = $this->openssl_translate_mode(); - $this->cipher_name_openssl = $mode == 'ecb' ? 'des-ede3' : 'des-ede3-' . $mode; - } - - return parent::isValidEngine($engine); - } - - /** - * Sets the initialization vector. - * - * SetIV is not required when \phpseclib\Crypt\Common\SymmetricKey::MODE_ECB is being used. - * - * @see \phpseclib\Crypt\Common\SymmetricKey::setIV() - * @access public - * @param string $iv - */ - public function setIV($iv) - { - parent::setIV($iv); - if ($this->mode_3cbc) { - $this->des[0]->setIV($iv); - $this->des[1]->setIV($iv); - $this->des[2]->setIV($iv); - } - } - - /** - * Sets the key length. - * - * Valid key lengths are 128 and 192 bits. - * - * If you want to use a 64-bit key use DES.php - * - * @see \phpseclib\Crypt\Common\SymmetricKey:setKeyLength() - * @access public - * @throws \LengthException if the key length is invalid - * @param int $length - */ - public function setKeyLength($length) - { - switch ($length) { - case 128: - case 192: - break; - default: - throw new \LengthException('Key size of ' . $length . ' bits is not supported by this algorithm. Only keys of sizes 128 or 192 bits are supported'); - } - - parent::setKeyLength($length); - } - - /** - * Sets the key. - * - * Triple DES can use 128-bit (eg. strlen($key) == 16) or 192-bit (eg. strlen($key) == 24) keys. - * - * DES also requires that every eighth bit be a parity bit, however, we'll ignore that. - * - * @access public - * @see \phpseclib\Crypt\DES::setKey() - * @see \phpseclib\Crypt\Common\SymmetricKey::setKey() - * @throws \LengthException if the key length is invalid - * @param string $key - */ - public function setKey($key) - { - if ($this->explicit_key_length !== false && strlen($key) != $this->explicit_key_length) { - throw new \LengthException('Key length has already been set to ' . $this->explicit_key_length . ' bytes and this key is ' . strlen($key) . ' bytes'); - } - - switch (strlen($key)) { - case 16: - $key.= substr($key, 0, 8); - case 24: - break; - default: - throw new \LengthException('Key of size ' . strlen($key) . ' not supported by this algorithm. Only keys of sizes 16 or 24 are supported'); - } - - // copied from self::setKey() - $this->key = $key; - $this->key_length = strlen($key); - $this->changed = true; - $this->setEngine(); - - if ($this->mode_3cbc) { - $this->des[0]->setKey(substr($key, 0, 8)); - $this->des[1]->setKey(substr($key, 8, 8)); - $this->des[2]->setKey(substr($key, 16, 8)); - } - } - - /** - * Encrypts a message. - * - * @see \phpseclib\Crypt\Common\SymmetricKey::encrypt() - * @access public - * @param string $plaintext - * @return string $cipertext - */ - public function encrypt($plaintext) - { - // parent::en/decrypt() is able to do all the work for all modes and keylengths, - // except for: self::MODE_3CBC (inner chaining CBC) with a key > 64bits - - // if the key is smaller then 8, do what we'd normally do - if ($this->mode_3cbc && strlen($this->key) > 8) { - return $this->des[2]->encrypt( - $this->des[1]->decrypt( - $this->des[0]->encrypt( - $this->pad($plaintext) - ) - ) - ); - } - - return parent::encrypt($plaintext); - } - - /** - * Decrypts a message. - * - * @see \phpseclib\Crypt\Common\SymmetricKey::decrypt() - * @access public - * @param string $ciphertext - * @return string $plaintext - */ - public function decrypt($ciphertext) - { - if ($this->mode_3cbc && strlen($this->key) > 8) { - return $this->unpad( - $this->des[0]->decrypt( - $this->des[1]->encrypt( - $this->des[2]->decrypt( - str_pad($ciphertext, (strlen($ciphertext) + 7) & 0xFFFFFFF8, "\0") - ) - ) - ) - ); - } - - return parent::decrypt($ciphertext); - } - - /** - * Treat consecutive "packets" as if they are a continuous buffer. - * - * Say you have a 16-byte plaintext $plaintext. Using the default behavior, the two following code snippets - * will yield different outputs: - * - * - * echo $des->encrypt(substr($plaintext, 0, 8)); - * echo $des->encrypt(substr($plaintext, 8, 8)); - * - * - * echo $des->encrypt($plaintext); - * - * - * The solution is to enable the continuous buffer. Although this will resolve the above discrepancy, it creates - * another, as demonstrated with the following: - * - * - * $des->encrypt(substr($plaintext, 0, 8)); - * echo $des->decrypt($des->encrypt(substr($plaintext, 8, 8))); - * - * - * echo $des->decrypt($des->encrypt(substr($plaintext, 8, 8))); - * - * - * With the continuous buffer disabled, these would yield the same output. With it enabled, they yield different - * outputs. The reason is due to the fact that the initialization vector's change after every encryption / - * decryption round when the continuous buffer is enabled. When it's disabled, they remain constant. - * - * Put another way, when the continuous buffer is enabled, the state of the \phpseclib\Crypt\DES() object changes after each - * encryption / decryption round, whereas otherwise, it'd remain constant. For this reason, it's recommended that - * continuous buffers not be used. They do offer better security and are, in fact, sometimes required (SSH uses them), - * however, they are also less intuitive and more likely to cause you problems. - * - * @see \phpseclib\Crypt\Common\SymmetricKey::enableContinuousBuffer() - * @see self::disableContinuousBuffer() - * @access public - */ - public function enableContinuousBuffer() - { - parent::enableContinuousBuffer(); - if ($this->mode_3cbc) { - $this->des[0]->enableContinuousBuffer(); - $this->des[1]->enableContinuousBuffer(); - $this->des[2]->enableContinuousBuffer(); - } - } - - /** - * Treat consecutive packets as if they are a discontinuous buffer. - * - * The default behavior. - * - * @see \phpseclib\Crypt\Common\SymmetricKey::disableContinuousBuffer() - * @see self::enableContinuousBuffer() - * @access public - */ - public function disableContinuousBuffer() - { - parent::disableContinuousBuffer(); - if ($this->mode_3cbc) { - $this->des[0]->disableContinuousBuffer(); - $this->des[1]->disableContinuousBuffer(); - $this->des[2]->disableContinuousBuffer(); - } - } - - /** - * Creates the key schedule - * - * @see \phpseclib\Crypt\DES::setupKey() - * @see \phpseclib\Crypt\Common\SymmetricKey::setupKey() - * @access private - */ - protected function setupKey() - { - switch (true) { - // if $key <= 64bits we configure our internal pure-php cipher engine - // to act as regular [1]DES, not as 3DES. mcrypt.so::tripledes does the same. - case strlen($this->key) <= 8: - $this->des_rounds = 1; - break; - - // otherwise, if $key > 64bits, we configure our engine to work as 3DES. - default: - $this->des_rounds = 3; - - // (only) if 3CBC is used we have, of course, to setup the $des[0-2] keys also separately. - if ($this->mode_3cbc) { - $this->des[0]->setupKey(); - $this->des[1]->setupKey(); - $this->des[2]->setupKey(); - - // because $des[0-2] will, now, do all the work we can return here - // not need unnecessary stress parent::setupKey() with our, now unused, $key. - return; - } - } - // setup our key - parent::setupKey(); - } - - /** - * Sets the internal crypt engine - * - * @see \phpseclib\Crypt\Common\SymmetricKey::__construct() - * @see \phpseclib\Crypt\Common\SymmetricKey::setPreferredEngine() - * @param int $engine - * @access public - * @return int - */ - public function setPreferredEngine($engine) - { - if ($this->mode_3cbc) { - $this->des[0]->setPreferredEngine($engine); - $this->des[1]->setPreferredEngine($engine); - $this->des[2]->setPreferredEngine($engine); - } - - return parent::setPreferredEngine($engine); - } - - /** - * Returns the class that defines the private methods - * - * @access private - * @return string - */ - protected function getClassContext() - { - return 'phpseclib\Crypt\DES'; - } -} diff --git a/lib/phpaes/phpseclib/Crypt/Twofish.php b/lib/phpaes/phpseclib/Crypt/Twofish.php deleted file mode 100644 index 3c1f6dcb06..0000000000 --- a/lib/phpaes/phpseclib/Crypt/Twofish.php +++ /dev/null @@ -1,817 +0,0 @@ - - * setKey('12345678901234567890123456789012'); - * - * $plaintext = str_repeat('a', 1024); - * - * echo $twofish->decrypt($twofish->encrypt($plaintext)); - * ?> - * - * - * @category Crypt - * @package Twofish - * @author Jim Wigginton - * @author Hans-Juergen Petrich - * @copyright 2007 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Crypt; - -use phpseclib\Crypt\Common\BlockCipher; - -/** - * Pure-PHP implementation of Twofish. - * - * @package Twofish - * @author Jim Wigginton - * @author Hans-Juergen Petrich - * @access public - */ -class Twofish extends BlockCipher -{ - /** - * The mcrypt specific name of the cipher - * - * @see \phpseclib\Crypt\Common\SymmetricKey::cipher_name_mcrypt - * @var string - * @access private - */ - protected $cipher_name_mcrypt = 'twofish'; - - /** - * Optimizing value while CFB-encrypting - * - * @see \phpseclib\Crypt\Common\SymmetricKey::cfb_init_len - * @var int - * @access private - */ - protected $cfb_init_len = 800; - - /** - * Q-Table - * - * @var array - * @access private - */ - private $q0 = [ - 0xA9, 0x67, 0xB3, 0xE8, 0x04, 0xFD, 0xA3, 0x76, - 0x9A, 0x92, 0x80, 0x78, 0xE4, 0xDD, 0xD1, 0x38, - 0x0D, 0xC6, 0x35, 0x98, 0x18, 0xF7, 0xEC, 0x6C, - 0x43, 0x75, 0x37, 0x26, 0xFA, 0x13, 0x94, 0x48, - 0xF2, 0xD0, 0x8B, 0x30, 0x84, 0x54, 0xDF, 0x23, - 0x19, 0x5B, 0x3D, 0x59, 0xF3, 0xAE, 0xA2, 0x82, - 0x63, 0x01, 0x83, 0x2E, 0xD9, 0x51, 0x9B, 0x7C, - 0xA6, 0xEB, 0xA5, 0xBE, 0x16, 0x0C, 0xE3, 0x61, - 0xC0, 0x8C, 0x3A, 0xF5, 0x73, 0x2C, 0x25, 0x0B, - 0xBB, 0x4E, 0x89, 0x6B, 0x53, 0x6A, 0xB4, 0xF1, - 0xE1, 0xE6, 0xBD, 0x45, 0xE2, 0xF4, 0xB6, 0x66, - 0xCC, 0x95, 0x03, 0x56, 0xD4, 0x1C, 0x1E, 0xD7, - 0xFB, 0xC3, 0x8E, 0xB5, 0xE9, 0xCF, 0xBF, 0xBA, - 0xEA, 0x77, 0x39, 0xAF, 0x33, 0xC9, 0x62, 0x71, - 0x81, 0x79, 0x09, 0xAD, 0x24, 0xCD, 0xF9, 0xD8, - 0xE5, 0xC5, 0xB9, 0x4D, 0x44, 0x08, 0x86, 0xE7, - 0xA1, 0x1D, 0xAA, 0xED, 0x06, 0x70, 0xB2, 0xD2, - 0x41, 0x7B, 0xA0, 0x11, 0x31, 0xC2, 0x27, 0x90, - 0x20, 0xF6, 0x60, 0xFF, 0x96, 0x5C, 0xB1, 0xAB, - 0x9E, 0x9C, 0x52, 0x1B, 0x5F, 0x93, 0x0A, 0xEF, - 0x91, 0x85, 0x49, 0xEE, 0x2D, 0x4F, 0x8F, 0x3B, - 0x47, 0x87, 0x6D, 0x46, 0xD6, 0x3E, 0x69, 0x64, - 0x2A, 0xCE, 0xCB, 0x2F, 0xFC, 0x97, 0x05, 0x7A, - 0xAC, 0x7F, 0xD5, 0x1A, 0x4B, 0x0E, 0xA7, 0x5A, - 0x28, 0x14, 0x3F, 0x29, 0x88, 0x3C, 0x4C, 0x02, - 0xB8, 0xDA, 0xB0, 0x17, 0x55, 0x1F, 0x8A, 0x7D, - 0x57, 0xC7, 0x8D, 0x74, 0xB7, 0xC4, 0x9F, 0x72, - 0x7E, 0x15, 0x22, 0x12, 0x58, 0x07, 0x99, 0x34, - 0x6E, 0x50, 0xDE, 0x68, 0x65, 0xBC, 0xDB, 0xF8, - 0xC8, 0xA8, 0x2B, 0x40, 0xDC, 0xFE, 0x32, 0xA4, - 0xCA, 0x10, 0x21, 0xF0, 0xD3, 0x5D, 0x0F, 0x00, - 0x6F, 0x9D, 0x36, 0x42, 0x4A, 0x5E, 0xC1, 0xE0 - ]; - - /** - * Q-Table - * - * @var array - * @access private - */ - private $q1 = [ - 0x75, 0xF3, 0xC6, 0xF4, 0xDB, 0x7B, 0xFB, 0xC8, - 0x4A, 0xD3, 0xE6, 0x6B, 0x45, 0x7D, 0xE8, 0x4B, - 0xD6, 0x32, 0xD8, 0xFD, 0x37, 0x71, 0xF1, 0xE1, - 0x30, 0x0F, 0xF8, 0x1B, 0x87, 0xFA, 0x06, 0x3F, - 0x5E, 0xBA, 0xAE, 0x5B, 0x8A, 0x00, 0xBC, 0x9D, - 0x6D, 0xC1, 0xB1, 0x0E, 0x80, 0x5D, 0xD2, 0xD5, - 0xA0, 0x84, 0x07, 0x14, 0xB5, 0x90, 0x2C, 0xA3, - 0xB2, 0x73, 0x4C, 0x54, 0x92, 0x74, 0x36, 0x51, - 0x38, 0xB0, 0xBD, 0x5A, 0xFC, 0x60, 0x62, 0x96, - 0x6C, 0x42, 0xF7, 0x10, 0x7C, 0x28, 0x27, 0x8C, - 0x13, 0x95, 0x9C, 0xC7, 0x24, 0x46, 0x3B, 0x70, - 0xCA, 0xE3, 0x85, 0xCB, 0x11, 0xD0, 0x93, 0xB8, - 0xA6, 0x83, 0x20, 0xFF, 0x9F, 0x77, 0xC3, 0xCC, - 0x03, 0x6F, 0x08, 0xBF, 0x40, 0xE7, 0x2B, 0xE2, - 0x79, 0x0C, 0xAA, 0x82, 0x41, 0x3A, 0xEA, 0xB9, - 0xE4, 0x9A, 0xA4, 0x97, 0x7E, 0xDA, 0x7A, 0x17, - 0x66, 0x94, 0xA1, 0x1D, 0x3D, 0xF0, 0xDE, 0xB3, - 0x0B, 0x72, 0xA7, 0x1C, 0xEF, 0xD1, 0x53, 0x3E, - 0x8F, 0x33, 0x26, 0x5F, 0xEC, 0x76, 0x2A, 0x49, - 0x81, 0x88, 0xEE, 0x21, 0xC4, 0x1A, 0xEB, 0xD9, - 0xC5, 0x39, 0x99, 0xCD, 0xAD, 0x31, 0x8B, 0x01, - 0x18, 0x23, 0xDD, 0x1F, 0x4E, 0x2D, 0xF9, 0x48, - 0x4F, 0xF2, 0x65, 0x8E, 0x78, 0x5C, 0x58, 0x19, - 0x8D, 0xE5, 0x98, 0x57, 0x67, 0x7F, 0x05, 0x64, - 0xAF, 0x63, 0xB6, 0xFE, 0xF5, 0xB7, 0x3C, 0xA5, - 0xCE, 0xE9, 0x68, 0x44, 0xE0, 0x4D, 0x43, 0x69, - 0x29, 0x2E, 0xAC, 0x15, 0x59, 0xA8, 0x0A, 0x9E, - 0x6E, 0x47, 0xDF, 0x34, 0x35, 0x6A, 0xCF, 0xDC, - 0x22, 0xC9, 0xC0, 0x9B, 0x89, 0xD4, 0xED, 0xAB, - 0x12, 0xA2, 0x0D, 0x52, 0xBB, 0x02, 0x2F, 0xA9, - 0xD7, 0x61, 0x1E, 0xB4, 0x50, 0x04, 0xF6, 0xC2, - 0x16, 0x25, 0x86, 0x56, 0x55, 0x09, 0xBE, 0x91 - ]; - - /** - * M-Table - * - * @var array - * @access private - */ - private $m0 = [ - 0xBCBC3275, 0xECEC21F3, 0x202043C6, 0xB3B3C9F4, 0xDADA03DB, 0x02028B7B, 0xE2E22BFB, 0x9E9EFAC8, - 0xC9C9EC4A, 0xD4D409D3, 0x18186BE6, 0x1E1E9F6B, 0x98980E45, 0xB2B2387D, 0xA6A6D2E8, 0x2626B74B, - 0x3C3C57D6, 0x93938A32, 0x8282EED8, 0x525298FD, 0x7B7BD437, 0xBBBB3771, 0x5B5B97F1, 0x474783E1, - 0x24243C30, 0x5151E20F, 0xBABAC6F8, 0x4A4AF31B, 0xBFBF4887, 0x0D0D70FA, 0xB0B0B306, 0x7575DE3F, - 0xD2D2FD5E, 0x7D7D20BA, 0x666631AE, 0x3A3AA35B, 0x59591C8A, 0x00000000, 0xCDCD93BC, 0x1A1AE09D, - 0xAEAE2C6D, 0x7F7FABC1, 0x2B2BC7B1, 0xBEBEB90E, 0xE0E0A080, 0x8A8A105D, 0x3B3B52D2, 0x6464BAD5, - 0xD8D888A0, 0xE7E7A584, 0x5F5FE807, 0x1B1B1114, 0x2C2CC2B5, 0xFCFCB490, 0x3131272C, 0x808065A3, - 0x73732AB2, 0x0C0C8173, 0x79795F4C, 0x6B6B4154, 0x4B4B0292, 0x53536974, 0x94948F36, 0x83831F51, - 0x2A2A3638, 0xC4C49CB0, 0x2222C8BD, 0xD5D5F85A, 0xBDBDC3FC, 0x48487860, 0xFFFFCE62, 0x4C4C0796, - 0x4141776C, 0xC7C7E642, 0xEBEB24F7, 0x1C1C1410, 0x5D5D637C, 0x36362228, 0x6767C027, 0xE9E9AF8C, - 0x4444F913, 0x1414EA95, 0xF5F5BB9C, 0xCFCF18C7, 0x3F3F2D24, 0xC0C0E346, 0x7272DB3B, 0x54546C70, - 0x29294CCA, 0xF0F035E3, 0x0808FE85, 0xC6C617CB, 0xF3F34F11, 0x8C8CE4D0, 0xA4A45993, 0xCACA96B8, - 0x68683BA6, 0xB8B84D83, 0x38382820, 0xE5E52EFF, 0xADAD569F, 0x0B0B8477, 0xC8C81DC3, 0x9999FFCC, - 0x5858ED03, 0x19199A6F, 0x0E0E0A08, 0x95957EBF, 0x70705040, 0xF7F730E7, 0x6E6ECF2B, 0x1F1F6EE2, - 0xB5B53D79, 0x09090F0C, 0x616134AA, 0x57571682, 0x9F9F0B41, 0x9D9D803A, 0x111164EA, 0x2525CDB9, - 0xAFAFDDE4, 0x4545089A, 0xDFDF8DA4, 0xA3A35C97, 0xEAEAD57E, 0x353558DA, 0xEDEDD07A, 0x4343FC17, - 0xF8F8CB66, 0xFBFBB194, 0x3737D3A1, 0xFAFA401D, 0xC2C2683D, 0xB4B4CCF0, 0x32325DDE, 0x9C9C71B3, - 0x5656E70B, 0xE3E3DA72, 0x878760A7, 0x15151B1C, 0xF9F93AEF, 0x6363BFD1, 0x3434A953, 0x9A9A853E, - 0xB1B1428F, 0x7C7CD133, 0x88889B26, 0x3D3DA65F, 0xA1A1D7EC, 0xE4E4DF76, 0x8181942A, 0x91910149, - 0x0F0FFB81, 0xEEEEAA88, 0x161661EE, 0xD7D77321, 0x9797F5C4, 0xA5A5A81A, 0xFEFE3FEB, 0x6D6DB5D9, - 0x7878AEC5, 0xC5C56D39, 0x1D1DE599, 0x7676A4CD, 0x3E3EDCAD, 0xCBCB6731, 0xB6B6478B, 0xEFEF5B01, - 0x12121E18, 0x6060C523, 0x6A6AB0DD, 0x4D4DF61F, 0xCECEE94E, 0xDEDE7C2D, 0x55559DF9, 0x7E7E5A48, - 0x2121B24F, 0x03037AF2, 0xA0A02665, 0x5E5E198E, 0x5A5A6678, 0x65654B5C, 0x62624E58, 0xFDFD4519, - 0x0606F48D, 0x404086E5, 0xF2F2BE98, 0x3333AC57, 0x17179067, 0x05058E7F, 0xE8E85E05, 0x4F4F7D64, - 0x89896AAF, 0x10109563, 0x74742FB6, 0x0A0A75FE, 0x5C5C92F5, 0x9B9B74B7, 0x2D2D333C, 0x3030D6A5, - 0x2E2E49CE, 0x494989E9, 0x46467268, 0x77775544, 0xA8A8D8E0, 0x9696044D, 0x2828BD43, 0xA9A92969, - 0xD9D97929, 0x8686912E, 0xD1D187AC, 0xF4F44A15, 0x8D8D1559, 0xD6D682A8, 0xB9B9BC0A, 0x42420D9E, - 0xF6F6C16E, 0x2F2FB847, 0xDDDD06DF, 0x23233934, 0xCCCC6235, 0xF1F1C46A, 0xC1C112CF, 0x8585EBDC, - 0x8F8F9E22, 0x7171A1C9, 0x9090F0C0, 0xAAAA539B, 0x0101F189, 0x8B8BE1D4, 0x4E4E8CED, 0x8E8E6FAB, - 0xABABA212, 0x6F6F3EA2, 0xE6E6540D, 0xDBDBF252, 0x92927BBB, 0xB7B7B602, 0x6969CA2F, 0x3939D9A9, - 0xD3D30CD7, 0xA7A72361, 0xA2A2AD1E, 0xC3C399B4, 0x6C6C4450, 0x07070504, 0x04047FF6, 0x272746C2, - 0xACACA716, 0xD0D07625, 0x50501386, 0xDCDCF756, 0x84841A55, 0xE1E15109, 0x7A7A25BE, 0x1313EF91 - ]; - - /** - * M-Table - * - * @var array - * @access private - */ - private $m1 = [ - 0xA9D93939, 0x67901717, 0xB3719C9C, 0xE8D2A6A6, 0x04050707, 0xFD985252, 0xA3658080, 0x76DFE4E4, - 0x9A084545, 0x92024B4B, 0x80A0E0E0, 0x78665A5A, 0xE4DDAFAF, 0xDDB06A6A, 0xD1BF6363, 0x38362A2A, - 0x0D54E6E6, 0xC6432020, 0x3562CCCC, 0x98BEF2F2, 0x181E1212, 0xF724EBEB, 0xECD7A1A1, 0x6C774141, - 0x43BD2828, 0x7532BCBC, 0x37D47B7B, 0x269B8888, 0xFA700D0D, 0x13F94444, 0x94B1FBFB, 0x485A7E7E, - 0xF27A0303, 0xD0E48C8C, 0x8B47B6B6, 0x303C2424, 0x84A5E7E7, 0x54416B6B, 0xDF06DDDD, 0x23C56060, - 0x1945FDFD, 0x5BA33A3A, 0x3D68C2C2, 0x59158D8D, 0xF321ECEC, 0xAE316666, 0xA23E6F6F, 0x82165757, - 0x63951010, 0x015BEFEF, 0x834DB8B8, 0x2E918686, 0xD9B56D6D, 0x511F8383, 0x9B53AAAA, 0x7C635D5D, - 0xA63B6868, 0xEB3FFEFE, 0xA5D63030, 0xBE257A7A, 0x16A7ACAC, 0x0C0F0909, 0xE335F0F0, 0x6123A7A7, - 0xC0F09090, 0x8CAFE9E9, 0x3A809D9D, 0xF5925C5C, 0x73810C0C, 0x2C273131, 0x2576D0D0, 0x0BE75656, - 0xBB7B9292, 0x4EE9CECE, 0x89F10101, 0x6B9F1E1E, 0x53A93434, 0x6AC4F1F1, 0xB499C3C3, 0xF1975B5B, - 0xE1834747, 0xE66B1818, 0xBDC82222, 0x450E9898, 0xE26E1F1F, 0xF4C9B3B3, 0xB62F7474, 0x66CBF8F8, - 0xCCFF9999, 0x95EA1414, 0x03ED5858, 0x56F7DCDC, 0xD4E18B8B, 0x1C1B1515, 0x1EADA2A2, 0xD70CD3D3, - 0xFB2BE2E2, 0xC31DC8C8, 0x8E195E5E, 0xB5C22C2C, 0xE9894949, 0xCF12C1C1, 0xBF7E9595, 0xBA207D7D, - 0xEA641111, 0x77840B0B, 0x396DC5C5, 0xAF6A8989, 0x33D17C7C, 0xC9A17171, 0x62CEFFFF, 0x7137BBBB, - 0x81FB0F0F, 0x793DB5B5, 0x0951E1E1, 0xADDC3E3E, 0x242D3F3F, 0xCDA47676, 0xF99D5555, 0xD8EE8282, - 0xE5864040, 0xC5AE7878, 0xB9CD2525, 0x4D049696, 0x44557777, 0x080A0E0E, 0x86135050, 0xE730F7F7, - 0xA1D33737, 0x1D40FAFA, 0xAA346161, 0xED8C4E4E, 0x06B3B0B0, 0x706C5454, 0xB22A7373, 0xD2523B3B, - 0x410B9F9F, 0x7B8B0202, 0xA088D8D8, 0x114FF3F3, 0x3167CBCB, 0xC2462727, 0x27C06767, 0x90B4FCFC, - 0x20283838, 0xF67F0404, 0x60784848, 0xFF2EE5E5, 0x96074C4C, 0x5C4B6565, 0xB1C72B2B, 0xAB6F8E8E, - 0x9E0D4242, 0x9CBBF5F5, 0x52F2DBDB, 0x1BF34A4A, 0x5FA63D3D, 0x9359A4A4, 0x0ABCB9B9, 0xEF3AF9F9, - 0x91EF1313, 0x85FE0808, 0x49019191, 0xEE611616, 0x2D7CDEDE, 0x4FB22121, 0x8F42B1B1, 0x3BDB7272, - 0x47B82F2F, 0x8748BFBF, 0x6D2CAEAE, 0x46E3C0C0, 0xD6573C3C, 0x3E859A9A, 0x6929A9A9, 0x647D4F4F, - 0x2A948181, 0xCE492E2E, 0xCB17C6C6, 0x2FCA6969, 0xFCC3BDBD, 0x975CA3A3, 0x055EE8E8, 0x7AD0EDED, - 0xAC87D1D1, 0x7F8E0505, 0xD5BA6464, 0x1AA8A5A5, 0x4BB72626, 0x0EB9BEBE, 0xA7608787, 0x5AF8D5D5, - 0x28223636, 0x14111B1B, 0x3FDE7575, 0x2979D9D9, 0x88AAEEEE, 0x3C332D2D, 0x4C5F7979, 0x02B6B7B7, - 0xB896CACA, 0xDA583535, 0xB09CC4C4, 0x17FC4343, 0x551A8484, 0x1FF64D4D, 0x8A1C5959, 0x7D38B2B2, - 0x57AC3333, 0xC718CFCF, 0x8DF40606, 0x74695353, 0xB7749B9B, 0xC4F59797, 0x9F56ADAD, 0x72DAE3E3, - 0x7ED5EAEA, 0x154AF4F4, 0x229E8F8F, 0x12A2ABAB, 0x584E6262, 0x07E85F5F, 0x99E51D1D, 0x34392323, - 0x6EC1F6F6, 0x50446C6C, 0xDE5D3232, 0x68724646, 0x6526A0A0, 0xBC93CDCD, 0xDB03DADA, 0xF8C6BABA, - 0xC8FA9E9E, 0xA882D6D6, 0x2BCF6E6E, 0x40507070, 0xDCEB8585, 0xFE750A0A, 0x328A9393, 0xA48DDFDF, - 0xCA4C2929, 0x10141C1C, 0x2173D7D7, 0xF0CCB4B4, 0xD309D4D4, 0x5D108A8A, 0x0FE25151, 0x00000000, - 0x6F9A1919, 0x9DE01A1A, 0x368F9494, 0x42E6C7C7, 0x4AECC9C9, 0x5EFDD2D2, 0xC1AB7F7F, 0xE0D8A8A8 - ]; - - /** - * M-Table - * - * @var array - * @access private - */ - private $m2 = [ - 0xBC75BC32, 0xECF3EC21, 0x20C62043, 0xB3F4B3C9, 0xDADBDA03, 0x027B028B, 0xE2FBE22B, 0x9EC89EFA, - 0xC94AC9EC, 0xD4D3D409, 0x18E6186B, 0x1E6B1E9F, 0x9845980E, 0xB27DB238, 0xA6E8A6D2, 0x264B26B7, - 0x3CD63C57, 0x9332938A, 0x82D882EE, 0x52FD5298, 0x7B377BD4, 0xBB71BB37, 0x5BF15B97, 0x47E14783, - 0x2430243C, 0x510F51E2, 0xBAF8BAC6, 0x4A1B4AF3, 0xBF87BF48, 0x0DFA0D70, 0xB006B0B3, 0x753F75DE, - 0xD25ED2FD, 0x7DBA7D20, 0x66AE6631, 0x3A5B3AA3, 0x598A591C, 0x00000000, 0xCDBCCD93, 0x1A9D1AE0, - 0xAE6DAE2C, 0x7FC17FAB, 0x2BB12BC7, 0xBE0EBEB9, 0xE080E0A0, 0x8A5D8A10, 0x3BD23B52, 0x64D564BA, - 0xD8A0D888, 0xE784E7A5, 0x5F075FE8, 0x1B141B11, 0x2CB52CC2, 0xFC90FCB4, 0x312C3127, 0x80A38065, - 0x73B2732A, 0x0C730C81, 0x794C795F, 0x6B546B41, 0x4B924B02, 0x53745369, 0x9436948F, 0x8351831F, - 0x2A382A36, 0xC4B0C49C, 0x22BD22C8, 0xD55AD5F8, 0xBDFCBDC3, 0x48604878, 0xFF62FFCE, 0x4C964C07, - 0x416C4177, 0xC742C7E6, 0xEBF7EB24, 0x1C101C14, 0x5D7C5D63, 0x36283622, 0x672767C0, 0xE98CE9AF, - 0x441344F9, 0x149514EA, 0xF59CF5BB, 0xCFC7CF18, 0x3F243F2D, 0xC046C0E3, 0x723B72DB, 0x5470546C, - 0x29CA294C, 0xF0E3F035, 0x088508FE, 0xC6CBC617, 0xF311F34F, 0x8CD08CE4, 0xA493A459, 0xCAB8CA96, - 0x68A6683B, 0xB883B84D, 0x38203828, 0xE5FFE52E, 0xAD9FAD56, 0x0B770B84, 0xC8C3C81D, 0x99CC99FF, - 0x580358ED, 0x196F199A, 0x0E080E0A, 0x95BF957E, 0x70407050, 0xF7E7F730, 0x6E2B6ECF, 0x1FE21F6E, - 0xB579B53D, 0x090C090F, 0x61AA6134, 0x57825716, 0x9F419F0B, 0x9D3A9D80, 0x11EA1164, 0x25B925CD, - 0xAFE4AFDD, 0x459A4508, 0xDFA4DF8D, 0xA397A35C, 0xEA7EEAD5, 0x35DA3558, 0xED7AEDD0, 0x431743FC, - 0xF866F8CB, 0xFB94FBB1, 0x37A137D3, 0xFA1DFA40, 0xC23DC268, 0xB4F0B4CC, 0x32DE325D, 0x9CB39C71, - 0x560B56E7, 0xE372E3DA, 0x87A78760, 0x151C151B, 0xF9EFF93A, 0x63D163BF, 0x345334A9, 0x9A3E9A85, - 0xB18FB142, 0x7C337CD1, 0x8826889B, 0x3D5F3DA6, 0xA1ECA1D7, 0xE476E4DF, 0x812A8194, 0x91499101, - 0x0F810FFB, 0xEE88EEAA, 0x16EE1661, 0xD721D773, 0x97C497F5, 0xA51AA5A8, 0xFEEBFE3F, 0x6DD96DB5, - 0x78C578AE, 0xC539C56D, 0x1D991DE5, 0x76CD76A4, 0x3EAD3EDC, 0xCB31CB67, 0xB68BB647, 0xEF01EF5B, - 0x1218121E, 0x602360C5, 0x6ADD6AB0, 0x4D1F4DF6, 0xCE4ECEE9, 0xDE2DDE7C, 0x55F9559D, 0x7E487E5A, - 0x214F21B2, 0x03F2037A, 0xA065A026, 0x5E8E5E19, 0x5A785A66, 0x655C654B, 0x6258624E, 0xFD19FD45, - 0x068D06F4, 0x40E54086, 0xF298F2BE, 0x335733AC, 0x17671790, 0x057F058E, 0xE805E85E, 0x4F644F7D, - 0x89AF896A, 0x10631095, 0x74B6742F, 0x0AFE0A75, 0x5CF55C92, 0x9BB79B74, 0x2D3C2D33, 0x30A530D6, - 0x2ECE2E49, 0x49E94989, 0x46684672, 0x77447755, 0xA8E0A8D8, 0x964D9604, 0x284328BD, 0xA969A929, - 0xD929D979, 0x862E8691, 0xD1ACD187, 0xF415F44A, 0x8D598D15, 0xD6A8D682, 0xB90AB9BC, 0x429E420D, - 0xF66EF6C1, 0x2F472FB8, 0xDDDFDD06, 0x23342339, 0xCC35CC62, 0xF16AF1C4, 0xC1CFC112, 0x85DC85EB, - 0x8F228F9E, 0x71C971A1, 0x90C090F0, 0xAA9BAA53, 0x018901F1, 0x8BD48BE1, 0x4EED4E8C, 0x8EAB8E6F, - 0xAB12ABA2, 0x6FA26F3E, 0xE60DE654, 0xDB52DBF2, 0x92BB927B, 0xB702B7B6, 0x692F69CA, 0x39A939D9, - 0xD3D7D30C, 0xA761A723, 0xA21EA2AD, 0xC3B4C399, 0x6C506C44, 0x07040705, 0x04F6047F, 0x27C22746, - 0xAC16ACA7, 0xD025D076, 0x50865013, 0xDC56DCF7, 0x8455841A, 0xE109E151, 0x7ABE7A25, 0x139113EF - ]; - - /** - * M-Table - * - * @var array - * @access private - */ - private $m3 = [ - 0xD939A9D9, 0x90176790, 0x719CB371, 0xD2A6E8D2, 0x05070405, 0x9852FD98, 0x6580A365, 0xDFE476DF, - 0x08459A08, 0x024B9202, 0xA0E080A0, 0x665A7866, 0xDDAFE4DD, 0xB06ADDB0, 0xBF63D1BF, 0x362A3836, - 0x54E60D54, 0x4320C643, 0x62CC3562, 0xBEF298BE, 0x1E12181E, 0x24EBF724, 0xD7A1ECD7, 0x77416C77, - 0xBD2843BD, 0x32BC7532, 0xD47B37D4, 0x9B88269B, 0x700DFA70, 0xF94413F9, 0xB1FB94B1, 0x5A7E485A, - 0x7A03F27A, 0xE48CD0E4, 0x47B68B47, 0x3C24303C, 0xA5E784A5, 0x416B5441, 0x06DDDF06, 0xC56023C5, - 0x45FD1945, 0xA33A5BA3, 0x68C23D68, 0x158D5915, 0x21ECF321, 0x3166AE31, 0x3E6FA23E, 0x16578216, - 0x95106395, 0x5BEF015B, 0x4DB8834D, 0x91862E91, 0xB56DD9B5, 0x1F83511F, 0x53AA9B53, 0x635D7C63, - 0x3B68A63B, 0x3FFEEB3F, 0xD630A5D6, 0x257ABE25, 0xA7AC16A7, 0x0F090C0F, 0x35F0E335, 0x23A76123, - 0xF090C0F0, 0xAFE98CAF, 0x809D3A80, 0x925CF592, 0x810C7381, 0x27312C27, 0x76D02576, 0xE7560BE7, - 0x7B92BB7B, 0xE9CE4EE9, 0xF10189F1, 0x9F1E6B9F, 0xA93453A9, 0xC4F16AC4, 0x99C3B499, 0x975BF197, - 0x8347E183, 0x6B18E66B, 0xC822BDC8, 0x0E98450E, 0x6E1FE26E, 0xC9B3F4C9, 0x2F74B62F, 0xCBF866CB, - 0xFF99CCFF, 0xEA1495EA, 0xED5803ED, 0xF7DC56F7, 0xE18BD4E1, 0x1B151C1B, 0xADA21EAD, 0x0CD3D70C, - 0x2BE2FB2B, 0x1DC8C31D, 0x195E8E19, 0xC22CB5C2, 0x8949E989, 0x12C1CF12, 0x7E95BF7E, 0x207DBA20, - 0x6411EA64, 0x840B7784, 0x6DC5396D, 0x6A89AF6A, 0xD17C33D1, 0xA171C9A1, 0xCEFF62CE, 0x37BB7137, - 0xFB0F81FB, 0x3DB5793D, 0x51E10951, 0xDC3EADDC, 0x2D3F242D, 0xA476CDA4, 0x9D55F99D, 0xEE82D8EE, - 0x8640E586, 0xAE78C5AE, 0xCD25B9CD, 0x04964D04, 0x55774455, 0x0A0E080A, 0x13508613, 0x30F7E730, - 0xD337A1D3, 0x40FA1D40, 0x3461AA34, 0x8C4EED8C, 0xB3B006B3, 0x6C54706C, 0x2A73B22A, 0x523BD252, - 0x0B9F410B, 0x8B027B8B, 0x88D8A088, 0x4FF3114F, 0x67CB3167, 0x4627C246, 0xC06727C0, 0xB4FC90B4, - 0x28382028, 0x7F04F67F, 0x78486078, 0x2EE5FF2E, 0x074C9607, 0x4B655C4B, 0xC72BB1C7, 0x6F8EAB6F, - 0x0D429E0D, 0xBBF59CBB, 0xF2DB52F2, 0xF34A1BF3, 0xA63D5FA6, 0x59A49359, 0xBCB90ABC, 0x3AF9EF3A, - 0xEF1391EF, 0xFE0885FE, 0x01914901, 0x6116EE61, 0x7CDE2D7C, 0xB2214FB2, 0x42B18F42, 0xDB723BDB, - 0xB82F47B8, 0x48BF8748, 0x2CAE6D2C, 0xE3C046E3, 0x573CD657, 0x859A3E85, 0x29A96929, 0x7D4F647D, - 0x94812A94, 0x492ECE49, 0x17C6CB17, 0xCA692FCA, 0xC3BDFCC3, 0x5CA3975C, 0x5EE8055E, 0xD0ED7AD0, - 0x87D1AC87, 0x8E057F8E, 0xBA64D5BA, 0xA8A51AA8, 0xB7264BB7, 0xB9BE0EB9, 0x6087A760, 0xF8D55AF8, - 0x22362822, 0x111B1411, 0xDE753FDE, 0x79D92979, 0xAAEE88AA, 0x332D3C33, 0x5F794C5F, 0xB6B702B6, - 0x96CAB896, 0x5835DA58, 0x9CC4B09C, 0xFC4317FC, 0x1A84551A, 0xF64D1FF6, 0x1C598A1C, 0x38B27D38, - 0xAC3357AC, 0x18CFC718, 0xF4068DF4, 0x69537469, 0x749BB774, 0xF597C4F5, 0x56AD9F56, 0xDAE372DA, - 0xD5EA7ED5, 0x4AF4154A, 0x9E8F229E, 0xA2AB12A2, 0x4E62584E, 0xE85F07E8, 0xE51D99E5, 0x39233439, - 0xC1F66EC1, 0x446C5044, 0x5D32DE5D, 0x72466872, 0x26A06526, 0x93CDBC93, 0x03DADB03, 0xC6BAF8C6, - 0xFA9EC8FA, 0x82D6A882, 0xCF6E2BCF, 0x50704050, 0xEB85DCEB, 0x750AFE75, 0x8A93328A, 0x8DDFA48D, - 0x4C29CA4C, 0x141C1014, 0x73D72173, 0xCCB4F0CC, 0x09D4D309, 0x108A5D10, 0xE2510FE2, 0x00000000, - 0x9A196F9A, 0xE01A9DE0, 0x8F94368F, 0xE6C742E6, 0xECC94AEC, 0xFDD25EFD, 0xAB7FC1AB, 0xD8A8E0D8 - ]; - - /** - * The Key Schedule Array - * - * @var array - * @access private - */ - private $K = []; - - /** - * The Key depended S-Table 0 - * - * @var array - * @access private - */ - private $S0 = []; - - /** - * The Key depended S-Table 1 - * - * @var array - * @access private - */ - private $S1 = []; - - /** - * The Key depended S-Table 2 - * - * @var array - * @access private - */ - private $S2 = []; - - /** - * The Key depended S-Table 3 - * - * @var array - * @access private - */ - private $S3 = []; - - /** - * Holds the last used key - * - * @var array - * @access private - */ - private $kl; - - /** - * The Key Length (in bytes) - * - * @see Crypt_Twofish::setKeyLength() - * @var int - * @access private - */ - protected $key_length = 16; - - /** - * Default Constructor. - * - * @param int $mode - * @access public - * @throws \InvalidArgumentException if an invalid / unsupported mode is provided - */ - public function __construct($mode) - { - if ($mode == self::MODE_STREAM) { - throw new \InvalidArgumentException('Block ciphers cannot be ran in stream mode'); - } - - parent::__construct($mode); - } - - /** - * Sets the key length. - * - * Valid key lengths are 128, 192 or 256 bits - * - * @access public - * @param int $length - */ - public function setKeyLength($length) - { - switch ($length) { - case 128: - case 192: - case 256: - break; - default: - throw new \LengthException('Key of size ' . strlen($key) . ' not supported by this algorithm. Only keys of sizes 16, 24 or 32 supported'); - } - - parent::setKeyLength($length); - } - - /** - * Sets the key. - * - * Rijndael supports five different key lengths - * - * @see setKeyLength() - * @access public - * @param string $key - * @throws \LengthException if the key length isn't supported - */ - public function setKey($key) - { - switch (strlen($key)) { - case 16: - case 24: - case 32: - break; - default: - throw new \LengthException('Key of size ' . strlen($key) . ' not supported by this algorithm. Only keys of sizes 16, 24 or 32 supported'); - } - - parent::setKey($key); - } - - /** - * Setup the key (expansion) - * - * @see \phpseclib\Crypt\Common\SymmetricKey::_setupKey() - * @access private - */ - protected function setupKey() - { - if (isset($this->kl['key']) && $this->key === $this->kl['key']) { - // already expanded - return; - } - $this->kl = ['key' => $this->key]; - - /* Key expanding and generating the key-depended s-boxes */ - $le_longs = unpack('V*', $this->key); - $key = unpack('C*', $this->key); - $m0 = $this->m0; - $m1 = $this->m1; - $m2 = $this->m2; - $m3 = $this->m3; - $q0 = $this->q0; - $q1 = $this->q1; - - $K = $S0 = $S1 = $S2 = $S3 = []; - - switch (strlen($this->key)) { - case 16: - list($s7, $s6, $s5, $s4) = $this->mdsrem($le_longs[1], $le_longs[2]); - list($s3, $s2, $s1, $s0) = $this->mdsrem($le_longs[3], $le_longs[4]); - for ($i = 0, $j = 1; $i < 40; $i+= 2, $j+= 2) { - $A = $m0[$q0[$q0[$i] ^ $key[ 9]] ^ $key[1]] ^ - $m1[$q0[$q1[$i] ^ $key[10]] ^ $key[2]] ^ - $m2[$q1[$q0[$i] ^ $key[11]] ^ $key[3]] ^ - $m3[$q1[$q1[$i] ^ $key[12]] ^ $key[4]]; - $B = $m0[$q0[$q0[$j] ^ $key[13]] ^ $key[5]] ^ - $m1[$q0[$q1[$j] ^ $key[14]] ^ $key[6]] ^ - $m2[$q1[$q0[$j] ^ $key[15]] ^ $key[7]] ^ - $m3[$q1[$q1[$j] ^ $key[16]] ^ $key[8]]; - $B = ($B << 8) | ($B >> 24 & 0xff); - $K[] = $A+= $B; - $K[] = (($A+= $B) << 9 | $A >> 23 & 0x1ff); - } - for ($i = 0; $i < 256; ++$i) { - $S0[$i] = $m0[$q0[$q0[$i] ^ $s4] ^ $s0]; - $S1[$i] = $m1[$q0[$q1[$i] ^ $s5] ^ $s1]; - $S2[$i] = $m2[$q1[$q0[$i] ^ $s6] ^ $s2]; - $S3[$i] = $m3[$q1[$q1[$i] ^ $s7] ^ $s3]; - } - break; - case 24: - list($sb, $sa, $s9, $s8) = $this->mdsrem($le_longs[1], $le_longs[2]); - list($s7, $s6, $s5, $s4) = $this->mdsrem($le_longs[3], $le_longs[4]); - list($s3, $s2, $s1, $s0) = $this->mdsrem($le_longs[5], $le_longs[6]); - for ($i = 0, $j = 1; $i < 40; $i+= 2, $j+= 2) { - $A = $m0[$q0[$q0[$q1[$i] ^ $key[17]] ^ $key[ 9]] ^ $key[1]] ^ - $m1[$q0[$q1[$q1[$i] ^ $key[18]] ^ $key[10]] ^ $key[2]] ^ - $m2[$q1[$q0[$q0[$i] ^ $key[19]] ^ $key[11]] ^ $key[3]] ^ - $m3[$q1[$q1[$q0[$i] ^ $key[20]] ^ $key[12]] ^ $key[4]]; - $B = $m0[$q0[$q0[$q1[$j] ^ $key[21]] ^ $key[13]] ^ $key[5]] ^ - $m1[$q0[$q1[$q1[$j] ^ $key[22]] ^ $key[14]] ^ $key[6]] ^ - $m2[$q1[$q0[$q0[$j] ^ $key[23]] ^ $key[15]] ^ $key[7]] ^ - $m3[$q1[$q1[$q0[$j] ^ $key[24]] ^ $key[16]] ^ $key[8]]; - $B = ($B << 8) | ($B >> 24 & 0xff); - $K[] = $A+= $B; - $K[] = (($A+= $B) << 9 | $A >> 23 & 0x1ff); - } - for ($i = 0; $i < 256; ++$i) { - $S0[$i] = $m0[$q0[$q0[$q1[$i] ^ $s8] ^ $s4] ^ $s0]; - $S1[$i] = $m1[$q0[$q1[$q1[$i] ^ $s9] ^ $s5] ^ $s1]; - $S2[$i] = $m2[$q1[$q0[$q0[$i] ^ $sa] ^ $s6] ^ $s2]; - $S3[$i] = $m3[$q1[$q1[$q0[$i] ^ $sb] ^ $s7] ^ $s3]; - } - break; - default: // 32 - list($sf, $se, $sd, $sc) = $this->mdsrem($le_longs[1], $le_longs[2]); - list($sb, $sa, $s9, $s8) = $this->mdsrem($le_longs[3], $le_longs[4]); - list($s7, $s6, $s5, $s4) = $this->mdsrem($le_longs[5], $le_longs[6]); - list($s3, $s2, $s1, $s0) = $this->mdsrem($le_longs[7], $le_longs[8]); - for ($i = 0, $j = 1; $i < 40; $i+= 2, $j+= 2) { - $A = $m0[$q0[$q0[$q1[$q1[$i] ^ $key[25]] ^ $key[17]] ^ $key[ 9]] ^ $key[1]] ^ - $m1[$q0[$q1[$q1[$q0[$i] ^ $key[26]] ^ $key[18]] ^ $key[10]] ^ $key[2]] ^ - $m2[$q1[$q0[$q0[$q0[$i] ^ $key[27]] ^ $key[19]] ^ $key[11]] ^ $key[3]] ^ - $m3[$q1[$q1[$q0[$q1[$i] ^ $key[28]] ^ $key[20]] ^ $key[12]] ^ $key[4]]; - $B = $m0[$q0[$q0[$q1[$q1[$j] ^ $key[29]] ^ $key[21]] ^ $key[13]] ^ $key[5]] ^ - $m1[$q0[$q1[$q1[$q0[$j] ^ $key[30]] ^ $key[22]] ^ $key[14]] ^ $key[6]] ^ - $m2[$q1[$q0[$q0[$q0[$j] ^ $key[31]] ^ $key[23]] ^ $key[15]] ^ $key[7]] ^ - $m3[$q1[$q1[$q0[$q1[$j] ^ $key[32]] ^ $key[24]] ^ $key[16]] ^ $key[8]]; - $B = ($B << 8) | ($B >> 24 & 0xff); - $K[] = $A+= $B; - $K[] = (($A+= $B) << 9 | $A >> 23 & 0x1ff); - } - for ($i = 0; $i < 256; ++$i) { - $S0[$i] = $m0[$q0[$q0[$q1[$q1[$i] ^ $sc] ^ $s8] ^ $s4] ^ $s0]; - $S1[$i] = $m1[$q0[$q1[$q1[$q0[$i] ^ $sd] ^ $s9] ^ $s5] ^ $s1]; - $S2[$i] = $m2[$q1[$q0[$q0[$q0[$i] ^ $se] ^ $sa] ^ $s6] ^ $s2]; - $S3[$i] = $m3[$q1[$q1[$q0[$q1[$i] ^ $sf] ^ $sb] ^ $s7] ^ $s3]; - } - } - - $this->K = $K; - $this->S0 = $S0; - $this->S1 = $S1; - $this->S2 = $S2; - $this->S3 = $S3; - } - - /** - * _mdsrem function using by the twofish cipher algorithm - * - * @access private - * @param string $A - * @param string $B - * @return array - */ - private function mdsrem($A, $B) - { - // No gain by unrolling this loop. - for ($i = 0; $i < 8; ++$i) { - // Get most significant coefficient. - $t = 0xff & ($B >> 24); - - // Shift the others up. - $B = ($B << 8) | (0xff & ($A >> 24)); - $A<<= 8; - - $u = $t << 1; - - // Subtract the modular polynomial on overflow. - if ($t & 0x80) { - $u^= 0x14d; - } - - // Remove t * (a * x^2 + 1). - $B ^= $t ^ ($u << 16); - - // Form u = a*t + t/a = t*(a + 1/a). - $u^= 0x7fffffff & ($t >> 1); - - // Add the modular polynomial on underflow. - if ($t & 0x01) { - $u^= 0xa6 ; - } - - // Remove t * (a + 1/a) * (x^3 + x). - $B^= ($u << 24) | ($u << 8); - } - - return [ - 0xff & $B >> 24, - 0xff & $B >> 16, - 0xff & $B >> 8, - 0xff & $B]; - } - - /** - * Encrypts a block - * - * @access private - * @param string $in - * @return string - */ - protected function encryptBlock($in) - { - $S0 = $this->S0; - $S1 = $this->S1; - $S2 = $this->S2; - $S3 = $this->S3; - $K = $this->K; - - $in = unpack("V4", $in); - $R0 = $K[0] ^ $in[1]; - $R1 = $K[1] ^ $in[2]; - $R2 = $K[2] ^ $in[3]; - $R3 = $K[3] ^ $in[4]; - - $ki = 7; - while ($ki < 39) { - $t0 = $S0[ $R0 & 0xff] ^ - $S1[($R0 >> 8) & 0xff] ^ - $S2[($R0 >> 16) & 0xff] ^ - $S3[($R0 >> 24) & 0xff]; - $t1 = $S0[($R1 >> 24) & 0xff] ^ - $S1[ $R1 & 0xff] ^ - $S2[($R1 >> 8) & 0xff] ^ - $S3[($R1 >> 16) & 0xff]; - $R2^= $t0 + $t1 + $K[++$ki]; - $R2 = ($R2 >> 1 & 0x7fffffff) | ($R2 << 31); - $R3 = ((($R3 >> 31) & 1) | ($R3 << 1)) ^ ($t0 + ($t1 << 1) + $K[++$ki]); - - $t0 = $S0[ $R2 & 0xff] ^ - $S1[($R2 >> 8) & 0xff] ^ - $S2[($R2 >> 16) & 0xff] ^ - $S3[($R2 >> 24) & 0xff]; - $t1 = $S0[($R3 >> 24) & 0xff] ^ - $S1[ $R3 & 0xff] ^ - $S2[($R3 >> 8) & 0xff] ^ - $S3[($R3 >> 16) & 0xff]; - $R0^= ($t0 + $t1 + $K[++$ki]); - $R0 = ($R0 >> 1 & 0x7fffffff) | ($R0 << 31); - $R1 = ((($R1 >> 31) & 1) | ($R1 << 1)) ^ ($t0 + ($t1 << 1) + $K[++$ki]); - } - - // @codingStandardsIgnoreStart - return pack("V4", $K[4] ^ $R2, - $K[5] ^ $R3, - $K[6] ^ $R0, - $K[7] ^ $R1); - // @codingStandardsIgnoreEnd - } - - /** - * Decrypts a block - * - * @access private - * @param string $in - * @return string - */ - protected function decryptBlock($in) - { - $S0 = $this->S0; - $S1 = $this->S1; - $S2 = $this->S2; - $S3 = $this->S3; - $K = $this->K; - - $in = unpack("V4", $in); - $R0 = $K[4] ^ $in[1]; - $R1 = $K[5] ^ $in[2]; - $R2 = $K[6] ^ $in[3]; - $R3 = $K[7] ^ $in[4]; - - $ki = 40; - while ($ki > 8) { - $t0 = $S0[$R0 & 0xff] ^ - $S1[$R0 >> 8 & 0xff] ^ - $S2[$R0 >> 16 & 0xff] ^ - $S3[$R0 >> 24 & 0xff]; - $t1 = $S0[$R1 >> 24 & 0xff] ^ - $S1[$R1 & 0xff] ^ - $S2[$R1 >> 8 & 0xff] ^ - $S3[$R1 >> 16 & 0xff]; - $R3^= $t0 + ($t1 << 1) + $K[--$ki]; - $R3 = $R3 >> 1 & 0x7fffffff | $R3 << 31; - $R2 = ($R2 >> 31 & 0x1 | $R2 << 1) ^ ($t0 + $t1 + $K[--$ki]); - - $t0 = $S0[$R2 & 0xff] ^ - $S1[$R2 >> 8 & 0xff] ^ - $S2[$R2 >> 16 & 0xff] ^ - $S3[$R2 >> 24 & 0xff]; - $t1 = $S0[$R3 >> 24 & 0xff] ^ - $S1[$R3 & 0xff] ^ - $S2[$R3 >> 8 & 0xff] ^ - $S3[$R3 >> 16 & 0xff]; - $R1^= $t0 + ($t1 << 1) + $K[--$ki]; - $R1 = $R1 >> 1 & 0x7fffffff | $R1 << 31; - $R0 = ($R0 >> 31 & 0x1 | $R0 << 1) ^ ($t0 + $t1 + $K[--$ki]); - } - - // @codingStandardsIgnoreStart - return pack("V4", $K[0] ^ $R2, - $K[1] ^ $R3, - $K[2] ^ $R0, - $K[3] ^ $R1); - // @codingStandardsIgnoreEnd - } - - /** - * Setup the performance-optimized function for de/encrypt() - * - * @see \phpseclib\Crypt\Common\SymmetricKey::_setupInlineCrypt() - * @access private - */ - protected function setupInlineCrypt() - { - $K = $this->K; - $init_crypt = ' - static $S0, $S1, $S2, $S3; - if (!$S0) { - for ($i = 0; $i < 256; ++$i) { - $S0[] = (int)$this->S0[$i]; - $S1[] = (int)$this->S1[$i]; - $S2[] = (int)$this->S2[$i]; - $S3[] = (int)$this->S3[$i]; - } - } - '; - - // Generating encrypt code: - $encrypt_block = ' - $in = unpack("V4", $in); - $R0 = '.$K[0].' ^ $in[1]; - $R1 = '.$K[1].' ^ $in[2]; - $R2 = '.$K[2].' ^ $in[3]; - $R3 = '.$K[3].' ^ $in[4]; - '; - for ($ki = 7, $i = 0; $i < 8; ++$i) { - $encrypt_block.= ' - $t0 = $S0[ $R0 & 0xff] ^ - $S1[($R0 >> 8) & 0xff] ^ - $S2[($R0 >> 16) & 0xff] ^ - $S3[($R0 >> 24) & 0xff]; - $t1 = $S0[($R1 >> 24) & 0xff] ^ - $S1[ $R1 & 0xff] ^ - $S2[($R1 >> 8) & 0xff] ^ - $S3[($R1 >> 16) & 0xff]; - $R2^= ($t0 + $t1 + '.$K[++$ki].'); - $R2 = ($R2 >> 1 & 0x7fffffff) | ($R2 << 31); - $R3 = ((($R3 >> 31) & 1) | ($R3 << 1)) ^ ($t0 + ($t1 << 1) + '.$K[++$ki].'); - - $t0 = $S0[ $R2 & 0xff] ^ - $S1[($R2 >> 8) & 0xff] ^ - $S2[($R2 >> 16) & 0xff] ^ - $S3[($R2 >> 24) & 0xff]; - $t1 = $S0[($R3 >> 24) & 0xff] ^ - $S1[ $R3 & 0xff] ^ - $S2[($R3 >> 8) & 0xff] ^ - $S3[($R3 >> 16) & 0xff]; - $R0^= ($t0 + $t1 + '.$K[++$ki].'); - $R0 = ($R0 >> 1 & 0x7fffffff) | ($R0 << 31); - $R1 = ((($R1 >> 31) & 1) | ($R1 << 1)) ^ ($t0 + ($t1 << 1) + '.$K[++$ki].'); - '; - } - $encrypt_block.= ' - $in = pack("V4", '.$K[4].' ^ $R2, - '.$K[5].' ^ $R3, - '.$K[6].' ^ $R0, - '.$K[7].' ^ $R1); - '; - - // Generating decrypt code: - $decrypt_block = ' - $in = unpack("V4", $in); - $R0 = '.$K[4].' ^ $in[1]; - $R1 = '.$K[5].' ^ $in[2]; - $R2 = '.$K[6].' ^ $in[3]; - $R3 = '.$K[7].' ^ $in[4]; - '; - for ($ki = 40, $i = 0; $i < 8; ++$i) { - $decrypt_block.= ' - $t0 = $S0[$R0 & 0xff] ^ - $S1[$R0 >> 8 & 0xff] ^ - $S2[$R0 >> 16 & 0xff] ^ - $S3[$R0 >> 24 & 0xff]; - $t1 = $S0[$R1 >> 24 & 0xff] ^ - $S1[$R1 & 0xff] ^ - $S2[$R1 >> 8 & 0xff] ^ - $S3[$R1 >> 16 & 0xff]; - $R3^= $t0 + ($t1 << 1) + '.$K[--$ki].'; - $R3 = $R3 >> 1 & 0x7fffffff | $R3 << 31; - $R2 = ($R2 >> 31 & 0x1 | $R2 << 1) ^ ($t0 + $t1 + '.$K[--$ki].'); - - $t0 = $S0[$R2 & 0xff] ^ - $S1[$R2 >> 8 & 0xff] ^ - $S2[$R2 >> 16 & 0xff] ^ - $S3[$R2 >> 24 & 0xff]; - $t1 = $S0[$R3 >> 24 & 0xff] ^ - $S1[$R3 & 0xff] ^ - $S2[$R3 >> 8 & 0xff] ^ - $S3[$R3 >> 16 & 0xff]; - $R1^= $t0 + ($t1 << 1) + '.$K[--$ki].'; - $R1 = $R1 >> 1 & 0x7fffffff | $R1 << 31; - $R0 = ($R0 >> 31 & 0x1 | $R0 << 1) ^ ($t0 + $t1 + '.$K[--$ki].'); - '; - } - $decrypt_block.= ' - $in = pack("V4", '.$K[0].' ^ $R2, - '.$K[1].' ^ $R3, - '.$K[2].' ^ $R0, - '.$K[3].' ^ $R1); - '; - - $this->inline_crypt = $this->createInlineCryptFunction( - [ - 'init_crypt' => $init_crypt, - 'init_encrypt' => '', - 'init_decrypt' => '', - 'encrypt_block' => $encrypt_block, - 'decrypt_block' => $decrypt_block - ] - ); - } -} diff --git a/lib/phpaes/phpseclib/Exception/BadConfigurationException.php b/lib/phpaes/phpseclib/Exception/BadConfigurationException.php deleted file mode 100644 index 096148a0df..0000000000 --- a/lib/phpaes/phpseclib/Exception/BadConfigurationException.php +++ /dev/null @@ -1,26 +0,0 @@ - - * @copyright 2015 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Exception; - -/** - * BadConfigurationException - * - * @package BadConfigurationException - * @author Jim Wigginton - */ -class BadConfigurationException extends \RuntimeException -{ -} diff --git a/lib/phpaes/phpseclib/Exception/FileNotFoundException.php b/lib/phpaes/phpseclib/Exception/FileNotFoundException.php deleted file mode 100644 index 984edfcc7a..0000000000 --- a/lib/phpaes/phpseclib/Exception/FileNotFoundException.php +++ /dev/null @@ -1,26 +0,0 @@ - - * @copyright 2015 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Exception; - -/** - * FileNotFoundException - * - * @package FileNotFoundException - * @author Jim Wigginton - */ -class FileNotFoundException extends \RuntimeException -{ -} diff --git a/lib/phpaes/phpseclib/Exception/NoSupportedAlgorithmsException.php b/lib/phpaes/phpseclib/Exception/NoSupportedAlgorithmsException.php deleted file mode 100644 index bca9a753b5..0000000000 --- a/lib/phpaes/phpseclib/Exception/NoSupportedAlgorithmsException.php +++ /dev/null @@ -1,26 +0,0 @@ - - * @copyright 2015 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Exception; - -/** - * NoSupportedAlgorithmsException - * - * @package NoSupportedAlgorithmsException - * @author Jim Wigginton - */ -class NoSupportedAlgorithmsException extends \RuntimeException -{ -} diff --git a/lib/phpaes/phpseclib/Exception/UnsupportedAlgorithmException.php b/lib/phpaes/phpseclib/Exception/UnsupportedAlgorithmException.php deleted file mode 100644 index 47cc41d4d3..0000000000 --- a/lib/phpaes/phpseclib/Exception/UnsupportedAlgorithmException.php +++ /dev/null @@ -1,26 +0,0 @@ - - * @copyright 2015 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Exception; - -/** - * UnsupportedAlgorithmException - * - * @package UnsupportedAlgorithmException - * @author Jim Wigginton - */ -class UnsupportedAlgorithmException extends \RuntimeException -{ -} diff --git a/lib/phpaes/phpseclib/File/ANSI.php b/lib/phpaes/phpseclib/File/ANSI.php deleted file mode 100644 index 0f1990d4ab..0000000000 --- a/lib/phpaes/phpseclib/File/ANSI.php +++ /dev/null @@ -1,574 +0,0 @@ - - * @copyright 2012 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File; - -/** - * Pure-PHP ANSI Decoder - * - * @package ANSI - * @author Jim Wigginton - * @access public - */ -class ANSI -{ - /** - * Max Width - * - * @var int - * @access private - */ - private $max_x; - - /** - * Max Height - * - * @var int - * @access private - */ - private $max_y; - - /** - * Max History - * - * @var int - * @access private - */ - private $max_history; - - /** - * History - * - * @var array - * @access private - */ - private $history; - - /** - * History Attributes - * - * @var array - * @access private - */ - private $history_attrs; - - /** - * Current Column - * - * @var int - * @access private - */ - private $x; - - /** - * Current Row - * - * @var int - * @access private - */ - private $y; - - /** - * Old Column - * - * @var int - * @access private - */ - private $old_x; - - /** - * Old Row - * - * @var int - * @access private - */ - private $old_y; - - /** - * An empty attribute cell - * - * @var object - * @access private - */ - private $base_attr_cell; - - /** - * The current attribute cell - * - * @var object - * @access private - */ - private $attr_cell; - - /** - * An empty attribute row - * - * @var array - * @access private - */ - private $attr_row; - - /** - * The current screen text - * - * @var array - * @access private - */ - private $screen; - - /** - * The current screen attributes - * - * @var array - * @access private - */ - private $attrs; - - /** - * Current ANSI code - * - * @var string - * @access private - */ - private $ansi; - - /** - * Tokenization - * - * @var array - * @access private - */ - private $tokenization; - - /** - * Default Constructor. - * - * @return \phpseclib\File\ANSI - * @access public - */ - public function __construct() - { - $attr_cell = new \stdClass(); - $attr_cell->bold = false; - $attr_cell->underline = false; - $attr_cell->blink = false; - $attr_cell->background = 'black'; - $attr_cell->foreground = 'white'; - $attr_cell->reverse = false; - $this->base_attr_cell = clone $attr_cell; - $this->attr_cell = clone $attr_cell; - - $this->setHistory(200); - $this->setDimensions(80, 24); - } - - /** - * Set terminal width and height - * - * Resets the screen as well - * - * @param int $x - * @param int $y - * @access public - */ - public function setDimensions($x, $y) - { - $this->max_x = $x - 1; - $this->max_y = $y - 1; - $this->x = $this->y = 0; - $this->history = $this->history_attrs = []; - $this->attr_row = array_fill(0, $this->max_x + 2, $this->base_attr_cell); - $this->screen = array_fill(0, $this->max_y + 1, ''); - $this->attrs = array_fill(0, $this->max_y + 1, $this->attr_row); - $this->ansi = ''; - } - - /** - * Set the number of lines that should be logged past the terminal height - * - * @param int $x - * @param int $y - * @access public - */ - public function setHistory($history) - { - $this->max_history = $history; - } - - /** - * Load a string - * - * @param string $source - * @access public - */ - public function loadString($source) - { - $this->setDimensions($this->max_x + 1, $this->max_y + 1); - $this->appendString($source); - } - - /** - * Appdend a string - * - * @param string $source - * @access public - */ - public function appendString($source) - { - $this->tokenization = ['']; - for ($i = 0; $i < strlen($source); $i++) { - if (strlen($this->ansi)) { - $this->ansi.= $source[$i]; - $chr = ord($source[$i]); - // http://en.wikipedia.org/wiki/ANSI_escape_code#Sequence_elements - // single character CSI's not currently supported - switch (true) { - case $this->ansi == "\x1B=": - $this->ansi = ''; - continue 2; - case strlen($this->ansi) == 2 && $chr >= 64 && $chr <= 95 && $chr != ord('['): - case strlen($this->ansi) > 2 && $chr >= 64 && $chr <= 126: - break; - default: - continue 2; - } - $this->tokenization[] = $this->ansi; - $this->tokenization[] = ''; - // http://ascii-table.com/ansi-escape-sequences-vt-100.php - switch ($this->ansi) { - case "\x1B[H": // Move cursor to upper left corner - $this->old_x = $this->x; - $this->old_y = $this->y; - $this->x = $this->y = 0; - break; - case "\x1B[J": // Clear screen from cursor down - $this->history = array_merge($this->history, array_slice(array_splice($this->screen, $this->y + 1), 0, $this->old_y)); - $this->screen = array_merge($this->screen, array_fill($this->y, $this->max_y, '')); - - $this->history_attrs = array_merge($this->history_attrs, array_slice(array_splice($this->attrs, $this->y + 1), 0, $this->old_y)); - $this->attrs = array_merge($this->attrs, array_fill($this->y, $this->max_y, $this->attr_row)); - - if (count($this->history) == $this->max_history) { - array_shift($this->history); - array_shift($this->history_attrs); - } - case "\x1B[K": // Clear screen from cursor right - $this->screen[$this->y] = substr($this->screen[$this->y], 0, $this->x); - - array_splice($this->attrs[$this->y], $this->x + 1, $this->max_x - $this->x, array_fill($this->x, $this->max_x - $this->x - 1, $this->base_attr_cell)); - break; - case "\x1B[2K": // Clear entire line - $this->screen[$this->y] = str_repeat(' ', $this->x); - $this->attrs[$this->y] = $this->attr_row; - break; - case "\x1B[?1h": // set cursor key to application - case "\x1B[?25h": // show the cursor - case "\x1B(B": // set united states g0 character set - break; - case "\x1BE": // Move to next line - $this->newLine(); - $this->x = 0; - break; - default: - switch (true) { - case preg_match('#\x1B\[(\d+)B#', $this->ansi, $match): // Move cursor down n lines - $this->old_y = $this->y; - $this->y+= $match[1]; - break; - case preg_match('#\x1B\[(\d+);(\d+)H#', $this->ansi, $match): // Move cursor to screen location v,h - $this->old_x = $this->x; - $this->old_y = $this->y; - $this->x = $match[2] - 1; - $this->y = $match[1] - 1; - break; - case preg_match('#\x1B\[(\d+)C#', $this->ansi, $match): // Move cursor right n lines - $this->old_x = $this->x; - $this->x+= $match[1]; - break; - case preg_match('#\x1B\[(\d+)D#', $this->ansi, $match): // Move cursor left n lines - $this->old_x = $this->x; - $this->x-= $match[1]; - break; - case preg_match('#\x1B\[(\d+);(\d+)r#', $this->ansi, $match): // Set top and bottom lines of a window - break; - case preg_match('#\x1B\[(\d*(?:;\d*)*)m#', $this->ansi, $match): // character attributes - $attr_cell = &$this->attr_cell; - $mods = explode(';', $match[1]); - foreach ($mods as $mod) { - switch ($mod) { - case 0: // Turn off character attributes - $attr_cell = clone $this->base_attr_cell; - break; - case 1: // Turn bold mode on - $attr_cell->bold = true; - break; - case 4: // Turn underline mode on - $attr_cell->underline = true; - break; - case 5: // Turn blinking mode on - $attr_cell->blink = true; - break; - case 7: // Turn reverse video on - $attr_cell->reverse = !$attr_cell->reverse; - $temp = $attr_cell->background; - $attr_cell->background = $attr_cell->foreground; - $attr_cell->foreground = $temp; - break; - default: // set colors - //$front = $attr_cell->reverse ? &$attr_cell->background : &$attr_cell->foreground; - $front = &$attr_cell->{ $attr_cell->reverse ? 'background' : 'foreground' }; - //$back = $attr_cell->reverse ? &$attr_cell->foreground : &$attr_cell->background; - $back = &$attr_cell->{ $attr_cell->reverse ? 'foreground' : 'background' }; - switch ($mod) { - // @codingStandardsIgnoreStart - case 30: $front = 'black'; break; - case 31: $front = 'red'; break; - case 32: $front = 'green'; break; - case 33: $front = 'yellow'; break; - case 34: $front = 'blue'; break; - case 35: $front = 'magenta'; break; - case 36: $front = 'cyan'; break; - case 37: $front = 'white'; break; - - case 40: $back = 'black'; break; - case 41: $back = 'red'; break; - case 42: $back = 'green'; break; - case 43: $back = 'yellow'; break; - case 44: $back = 'blue'; break; - case 45: $back = 'magenta'; break; - case 46: $back = 'cyan'; break; - case 47: $back = 'white'; break; - // @codingStandardsIgnoreEnd - - default: - //user_error('Unsupported attribute: ' . $mod); - $this->ansi = ''; - break 2; - } - } - } - break; - default: - //user_error("{$this->ansi} is unsupported\r\n"); - } - } - $this->ansi = ''; - continue; - } - - $this->tokenization[count($this->tokenization) - 1].= $source[$i]; - switch ($source[$i]) { - case "\r": - $this->x = 0; - break; - case "\n": - $this->newLine(); - break; - case "\x08": // backspace - if ($this->x) { - $this->x--; - $this->attrs[$this->y][$this->x] = clone $this->base_attr_cell; - $this->screen[$this->y] = substr_replace( - $this->screen[$this->y], - $source[$i], - $this->x, - 1 - ); - } - break; - case "\x0F": // shift - break; - case "\x1B": // start ANSI escape code - $this->tokenization[count($this->tokenization) - 1] = substr($this->tokenization[count($this->tokenization) - 1], 0, -1); - //if (!strlen($this->tokenization[count($this->tokenization) - 1])) { - // array_pop($this->tokenization); - //} - $this->ansi.= "\x1B"; - break; - default: - $this->attrs[$this->y][$this->x] = clone $this->attr_cell; - if ($this->x > strlen($this->screen[$this->y])) { - $this->screen[$this->y] = str_repeat(' ', $this->x); - } - $this->screen[$this->y] = substr_replace( - $this->screen[$this->y], - $source[$i], - $this->x, - 1 - ); - - if ($this->x > $this->max_x) { - $this->x = 0; - $this->y++; - } else { - $this->x++; - } - } - } - } - - /** - * Add a new line - * - * Also update the $this->screen and $this->history buffers - * - * @access private - */ - private function newLine() - { - //if ($this->y < $this->max_y) { - // $this->y++; - //} - - while ($this->y >= $this->max_y) { - $this->history = array_merge($this->history, [array_shift($this->screen)]); - $this->screen[] = ''; - - $this->history_attrs = array_merge($this->history_attrs, [array_shift($this->attrs)]); - $this->attrs[] = $this->attr_row; - - if (count($this->history) >= $this->max_history) { - array_shift($this->history); - array_shift($this->history_attrs); - } - - $this->y--; - } - $this->y++; - } - - /** - * Returns the current coordinate without preformating - * - * @access private - * @return string - */ - private function processCoordinate($last_attr, $cur_attr, $char) - { - $output = ''; - - if ($last_attr != $cur_attr) { - $close = $open = ''; - if ($last_attr->foreground != $cur_attr->foreground) { - if ($cur_attr->foreground != 'white') { - $open.= ''; - } - if ($last_attr->foreground != 'white') { - $close = '' . $close; - } - } - if ($last_attr->background != $cur_attr->background) { - if ($cur_attr->background != 'black') { - $open.= ''; - } - if ($last_attr->background != 'black') { - $close = '' . $close; - } - } - if ($last_attr->bold != $cur_attr->bold) { - if ($cur_attr->bold) { - $open.= ''; - } else { - $close = '' . $close; - } - } - if ($last_attr->underline != $cur_attr->underline) { - if ($cur_attr->underline) { - $open.= ''; - } else { - $close = '' . $close; - } - } - if ($last_attr->blink != $cur_attr->blink) { - if ($cur_attr->blink) { - $open.= ''; - } else { - $close = '' . $close; - } - } - $output.= $close . $open; - } - - $output.= htmlspecialchars($char); - - return $output; - } - - /** - * Returns the current screen without preformating - * - * @access private - * @return string - */ - private function getScreenHelper() - { - $output = ''; - $last_attr = $this->base_attr_cell; - for ($i = 0; $i <= $this->max_y; $i++) { - for ($j = 0; $j <= $this->max_x; $j++) { - $cur_attr = $this->attrs[$i][$j]; - $output.= $this->processCoordinate($last_attr, $cur_attr, isset($this->screen[$i][$j]) ? $this->screen[$i][$j] : ''); - $last_attr = $this->attrs[$i][$j]; - } - $output.= "\r\n"; - } - $output = substr($output, 0, -2); - // close any remaining open tags - $output.= $this->processCoordinate($last_attr, $this->base_attr_cell, ''); - return rtrim($output); - } - - /** - * Returns the current screen - * - * @access public - * @return string - */ - public function getScreen() - { - return '
' . $this->getScreenHelper() . '
'; - } - - /** - * Returns the current screen and the x previous lines - * - * @access public - * @return string - */ - public function getHistory() - { - $scrollback = ''; - $last_attr = $this->base_attr_cell; - for ($i = 0; $i < count($this->history); $i++) { - for ($j = 0; $j <= $this->max_x + 1; $j++) { - $cur_attr = $this->history_attrs[$i][$j]; - $scrollback.= $this->processCoordinate($last_attr, $cur_attr, isset($this->history[$i][$j]) ? $this->history[$i][$j] : ''); - $last_attr = $this->history_attrs[$i][$j]; - } - $scrollback.= "\r\n"; - } - $base_attr_cell = $this->base_attr_cell; - $this->base_attr_cell = $last_attr; - $scrollback.= $this->getScreen(); - $this->base_attr_cell = $base_attr_cell; - - return '
' . $scrollback . '
'; - } -} diff --git a/lib/phpaes/phpseclib/File/ASN1.php b/lib/phpaes/phpseclib/File/ASN1.php deleted file mode 100644 index 295a2b721f..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1.php +++ /dev/null @@ -1,1414 +0,0 @@ - - * @copyright 2012 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File; - -use ParagonIE\ConstantTime\Base64; -use phpseclib\File\ASN1\Element; -use phpseclib\Math\BigInteger; - -/** - * Pure-PHP ASN.1 Parser - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class ASN1 -{ - /**#@+ - * Tag Classes - * - * @access private - * @link http://www.itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf#page=12 - */ - const CLASS_UNIVERSAL = 0; - const CLASS_APPLICATION = 1; - const CLASS_CONTEXT_SPECIFIC = 2; - const CLASS_PRIVATE = 3; - /**#@-*/ - - /**#@+ - * Tag Classes - * - * @access private - * @link http://www.obj-sys.com/asn1tutorial/node124.html - */ - const TYPE_BOOLEAN = 1; - const TYPE_INTEGER = 2; - const TYPE_BIT_STRING = 3; - const TYPE_OCTET_STRING = 4; - const TYPE_NULL = 5; - const TYPE_OBJECT_IDENTIFIER = 6; - //const TYPE_OBJECT_DESCRIPTOR = 7; - //const TYPE_INSTANCE_OF = 8; // EXTERNAL - const TYPE_REAL = 9; - const TYPE_ENUMERATED = 10; - //const TYPE_EMBEDDED = 11; - const TYPE_UTF8_STRING = 12; - //const TYPE_RELATIVE_OID = 13; - const TYPE_SEQUENCE = 16; // SEQUENCE OF - const TYPE_SET = 17; // SET OF - /**#@-*/ - /**#@+ - * More Tag Classes - * - * @access private - * @link http://www.obj-sys.com/asn1tutorial/node10.html - */ - const TYPE_NUMERIC_STRING = 18; - const TYPE_PRINTABLE_STRING = 19; - const TYPE_TELETEX_STRING = 20; // T61String - const TYPE_VIDEOTEX_STRING = 21; - const TYPE_IA5_STRING = 22; - const TYPE_UTC_TIME = 23; - const TYPE_GENERALIZED_TIME = 24; - const TYPE_GRAPHIC_STRING = 25; - const TYPE_VISIBLE_STRING = 26; // ISO646String - const TYPE_GENERAL_STRING = 27; - const TYPE_UNIVERSAL_STRING = 28; - //const TYPE_CHARACTER_STRING = 29; - const TYPE_BMP_STRING = 30; - /**#@-*/ - - /**#@+ - * Tag Aliases - * - * These tags are kinda place holders for other tags. - * - * @access private - */ - const TYPE_CHOICE = -1; - const TYPE_ANY = -2; - /**#@-*/ - - /** - * ASN.1 object identifiers - * - * @var array - * @access private - * @link http://en.wikipedia.org/wiki/Object_identifier - */ - private static $oids = []; - - /** - * ASN.1 object identifier reverse mapping - * - * @var array - * @access private - */ - private static $reverseOIDs = []; - - /** - * Default date format - * - * @var string - * @access private - * @link http://php.net/class.datetime - */ - private static $format = 'D, d M Y H:i:s O'; - - /** - * Filters - * - * If the mapping type is self::TYPE_ANY what do we actually encode it as? - * - * @var array - * @access private - * @see self::encode_der() - */ - private static $filters; - - /** - * Current Location of most recent ASN.1 encode process - * - * Useful for debug purposes - * - * @var array - * @access private - * @see self::encode_der() - */ - private static $location; - - /** - * DER Encoded String - * - * In case we need to create ASN1\Element object's.. - * - * @var string - * @access private - * @see self::decodeDER() - */ - private static $encoded; - - /** - * Type mapping table for the ANY type. - * - * Structured or unknown types are mapped to a \phpseclib\File\ASN1\Element. - * Unambiguous types get the direct mapping (int/real/bool). - * Others are mapped as a choice, with an extra indexing level. - * - * @var array - * @access public - */ - const ANY_MAP = [ - self::TYPE_BOOLEAN => true, - self::TYPE_INTEGER => true, - self::TYPE_BIT_STRING => 'bitString', - self::TYPE_OCTET_STRING => 'octetString', - self::TYPE_NULL => 'null', - self::TYPE_OBJECT_IDENTIFIER => 'objectIdentifier', - self::TYPE_REAL => true, - self::TYPE_ENUMERATED => 'enumerated', - self::TYPE_UTF8_STRING => 'utf8String', - self::TYPE_NUMERIC_STRING => 'numericString', - self::TYPE_PRINTABLE_STRING => 'printableString', - self::TYPE_TELETEX_STRING => 'teletexString', - self::TYPE_VIDEOTEX_STRING => 'videotexString', - self::TYPE_IA5_STRING => 'ia5String', - self::TYPE_UTC_TIME => 'utcTime', - self::TYPE_GENERALIZED_TIME => 'generalTime', - self::TYPE_GRAPHIC_STRING => 'graphicString', - self::TYPE_VISIBLE_STRING => 'visibleString', - self::TYPE_GENERAL_STRING => 'generalString', - self::TYPE_UNIVERSAL_STRING => 'universalString', - //self::TYPE_CHARACTER_STRING => 'characterString', - self::TYPE_BMP_STRING => 'bmpString' - ]; - - /** - * String type to character size mapping table. - * - * Non-convertable types are absent from this table. - * size == 0 indicates variable length encoding. - * - * @var array - * @access public - */ - const STRING_TYPE_SIZE = [ - self::TYPE_UTF8_STRING => 0, - self::TYPE_BMP_STRING => 2, - self::TYPE_UNIVERSAL_STRING => 4, - self::TYPE_PRINTABLE_STRING => 1, - self::TYPE_TELETEX_STRING => 1, - self::TYPE_IA5_STRING => 1, - self::TYPE_VISIBLE_STRING => 1, - ]; - - /** - * Parse BER-encoding - * - * Serves a similar purpose to openssl's asn1parse - * - * @param string $encoded - * @return array - * @access public - */ - public static function decodeBER($encoded) - { - if ($encoded instanceof Element) { - $encoded = $encoded->element; - } - - self::$encoded = $encoded; - - $decoded = [self::decode_ber($encoded)]; - - // encapsulate in an array for BC with the old decodeBER - return $decoded; - } - - /** - * Parse BER-encoding (Helper function) - * - * Sometimes we want to get the BER encoding of a particular tag. $start lets us do that without having to reencode. - * $encoded is passed by reference for the recursive calls done for self::TYPE_BIT_STRING and - * self::TYPE_OCTET_STRING. In those cases, the indefinite length is used. - * - * @param string $encoded - * @param int $start - * @param int $encoded_pos - * @return array - * @access private - */ - private static function decode_ber($encoded, $start = 0, $encoded_pos = 0) - { - $current = ['start' => $start]; - - $type = ord($encoded[$encoded_pos++]); - $start++; - - $constructed = ($type >> 5) & 1; - - $tag = $type & 0x1F; - if ($tag == 0x1F) { - $tag = 0; - // process septets (since the eighth bit is ignored, it's not an octet) - do { - $loop = ord($encoded[0]) >> 7; - $tag <<= 7; - $tag |= ord($encoded[$encoded_pos++]) & 0x7F; - $start++; - } while ($loop); - } - - // Length, as discussed in paragraph 8.1.3 of X.690-0207.pdf#page=13 - $length = ord($encoded[$encoded_pos++]); - $start++; - if ($length == 0x80) { // indefinite length - // "[A sender shall] use the indefinite form (see 8.1.3.6) if the encoding is constructed and is not all - // immediately available." -- paragraph 8.1.3.2.c - $length = strlen($encoded) - $encoded_pos; - } elseif ($length & 0x80) { // definite length, long form - // technically, the long form of the length can be represented by up to 126 octets (bytes), but we'll only - // support it up to four. - $length&= 0x7F; - $temp = substr($encoded, $encoded_pos, $length); - $encoded_pos += $length; - // tags of indefinte length don't really have a header length; this length includes the tag - $current+= ['headerlength' => $length + 2]; - $start+= $length; - extract(unpack('Nlength', substr(str_pad($temp, 4, chr(0), STR_PAD_LEFT), -4))); - } else { - $current+= ['headerlength' => 2]; - } - - if ($length > (strlen($encoded) - $encoded_pos)) { - return false; - } - - $content = substr($encoded, $encoded_pos, $length); - $content_pos = 0; - - // at this point $length can be overwritten. it's only accurate for definite length things as is - - /* Class is UNIVERSAL, APPLICATION, PRIVATE, or CONTEXT-SPECIFIC. The UNIVERSAL class is restricted to the ASN.1 - built-in types. It defines an application-independent data type that must be distinguishable from all other - data types. The other three classes are user defined. The APPLICATION class distinguishes data types that - have a wide, scattered use within a particular presentation context. PRIVATE distinguishes data types within - a particular organization or country. CONTEXT-SPECIFIC distinguishes members of a sequence or set, the - alternatives of a CHOICE, or universally tagged set members. Only the class number appears in braces for this - data type; the term CONTEXT-SPECIFIC does not appear. - - -- http://www.obj-sys.com/asn1tutorial/node12.html */ - $class = ($type >> 6) & 3; - switch ($class) { - case self::CLASS_APPLICATION: - case self::CLASS_PRIVATE: - case self::CLASS_CONTEXT_SPECIFIC: - if (!$constructed) { - return [ - 'type' => $class, - 'constant' => $tag, - 'content' => $content, - 'length' => $length + $start - $current['start'] - ] + $current; - } - - $newcontent = []; - $remainingLength = $length; - while ($remainingLength > 0) { - $temp = self::decode_ber($content, $start, $content_pos); - $length = $temp['length']; - // end-of-content octets - see paragraph 8.1.5 - if (substr($content, $content_pos + $length, 2) == "\0\0") { - $length+= 2; - $start+= $length; - $newcontent[] = $temp; - break; - } - $start+= $length; - $remainingLength-= $length; - $newcontent[] = $temp; - $content_pos += $length; - } - - return [ - 'type' => $class, - 'constant' => $tag, - // the array encapsulation is for BC with the old format - 'content' => $newcontent, - // the only time when $content['headerlength'] isn't defined is when the length is indefinite. - // the absence of $content['headerlength'] is how we know if something is indefinite or not. - // technically, it could be defined to be 2 and then another indicator could be used but whatever. - 'length' => $start - $current['start'] - ] + $current; - } - - $current+= ['type' => $tag]; - - // decode UNIVERSAL tags - switch ($tag) { - case self::TYPE_BOOLEAN: - // "The contents octets shall consist of a single octet." -- paragraph 8.2.1 - //if (strlen($content) != 1) { - // return false; - //} - $current['content'] = (bool) ord($content[$content_pos]); - break; - case self::TYPE_INTEGER: - case self::TYPE_ENUMERATED: - $current['content'] = new BigInteger(substr($content, $content_pos), -256); - break; - case self::TYPE_REAL: // not currently supported - return false; - case self::TYPE_BIT_STRING: - // The initial octet shall encode, as an unsigned binary integer with bit 1 as the least significant bit, - // the number of unused bits in the final subsequent octet. The number shall be in the range zero to - // seven. - if (!$constructed) { - $current['content'] = substr($content, $content_pos); - } else { - $temp = self::decode_ber($content, $start, $content_pos); - $length-= (strlen($content) - $content_pos); - $last = count($temp) - 1; - for ($i = 0; $i < $last; $i++) { - // all subtags should be bit strings - //if ($temp[$i]['type'] != self::TYPE_BIT_STRING) { - // return false; - //} - $current['content'].= substr($temp[$i]['content'], 1); - } - // all subtags should be bit strings - //if ($temp[$last]['type'] != self::TYPE_BIT_STRING) { - // return false; - //} - $current['content'] = $temp[$last]['content'][0] . $current['content'] . substr($temp[$i]['content'], 1); - } - break; - case self::TYPE_OCTET_STRING: - if (!$constructed) { - $current['content'] = substr($content, $content_pos); - } else { - $current['content'] = ''; - $length = 0; - while (substr($content, $content_pos, 2) != "\0\0") { - $temp = self::decode_ber($content, $length + $start, $content_pos); - $content_pos += $temp['length']; - // all subtags should be octet strings - //if ($temp['type'] != self::TYPE_OCTET_STRING) { - // return false; - //} - $current['content'].= $temp['content']; - $length+= $temp['length']; - } - if (substr($content, $content_pos, 2) == "\0\0") { - $length+= 2; // +2 for the EOC - } - } - break; - case self::TYPE_NULL: - // "The contents octets shall not contain any octets." -- paragraph 8.8.2 - //if (strlen($content)) { - // return false; - //} - break; - case self::TYPE_SEQUENCE: - case self::TYPE_SET: - $offset = 0; - $current['content'] = []; - $content_len = strlen($content); - while ($content_pos < $content_len) { - // if indefinite length construction was used and we have an end-of-content string next - // see paragraphs 8.1.1.3, 8.1.3.2, 8.1.3.6, 8.1.5, and (for an example) 8.6.4.2 - if (!isset($current['headerlength']) && substr($content, $content_pos, 2) == "\0\0") { - $length = $offset + 2; // +2 for the EOC - break 2; - } - $temp = self::decode_ber($content, $start + $offset, $content_pos); - $content_pos += $temp['length']; - $current['content'][] = $temp; - $offset+= $temp['length']; - } - break; - case self::TYPE_OBJECT_IDENTIFIER: - $temp = ord($content[$content_pos++]); - $current['content'] = sprintf('%d.%d', floor($temp / 40), $temp % 40); - $valuen = 0; - // process septets - $content_len = strlen($content); - while ($content_pos < $content_len) { - $temp = ord($content[$content_pos++]); - $valuen <<= 7; - $valuen |= $temp & 0x7F; - if (~$temp & 0x80) { - $current['content'].= ".$valuen"; - $valuen = 0; - } - } - // the eighth bit of the last byte should not be 1 - //if ($temp >> 7) { - // return false; - //} - break; - /* Each character string type shall be encoded as if it had been declared: - [UNIVERSAL x] IMPLICIT OCTET STRING - - -- X.690-0207.pdf#page=23 (paragraph 8.21.3) - - Per that, we're not going to do any validation. If there are any illegal characters in the string, - we don't really care */ - case self::TYPE_NUMERIC_STRING: - // 0,1,2,3,4,5,6,7,8,9, and space - case self::TYPE_PRINTABLE_STRING: - // Upper and lower case letters, digits, space, apostrophe, left/right parenthesis, plus sign, comma, - // hyphen, full stop, solidus, colon, equal sign, question mark - case self::TYPE_TELETEX_STRING: - // The Teletex character set in CCITT's T61, space, and delete - // see http://en.wikipedia.org/wiki/Teletex#Character_sets - case self::TYPE_VIDEOTEX_STRING: - // The Videotex character set in CCITT's T.100 and T.101, space, and delete - case self::TYPE_VISIBLE_STRING: - // Printing character sets of international ASCII, and space - case self::TYPE_IA5_STRING: - // International Alphabet 5 (International ASCII) - case self::TYPE_GRAPHIC_STRING: - // All registered G sets, and space - case self::TYPE_GENERAL_STRING: - // All registered C and G sets, space and delete - case self::TYPE_UTF8_STRING: - // ???? - case self::TYPE_BMP_STRING: - $current['content'] = substr($content, $content_pos); - break; - case self::TYPE_UTC_TIME: - case self::TYPE_GENERALIZED_TIME: - $current['content'] = self::decodeTime(substr($content, $content_pos), $tag); - default: - } - - $start+= $length; - - // ie. length is the length of the full TLV encoding - it's not just the length of the value - return $current + ['length' => $start - $current['start']]; - } - - /** - * ASN.1 Map - * - * Provides an ASN.1 semantic mapping ($mapping) from a parsed BER-encoding to a human readable format. - * - * "Special" mappings may be applied on a per tag-name basis via $special. - * - * @param array $decoded - * @param array $mapping - * @param array $special - * @return array - * @access public - */ - public static function asn1map($decoded, $mapping, $special = []) - { - if (isset($mapping['explicit']) && is_array($decoded['content'])) { - $decoded = $decoded['content'][0]; - } - - switch (true) { - case $mapping['type'] == self::TYPE_ANY: - $intype = $decoded['type']; - // !isset(self::ANY_MAP[$intype]) produces a fatal error on PHP 5.6 - if (isset($decoded['constant']) || !array_key_exists($intype, self::ANY_MAP) || (ord(self::$encoded[$decoded['start']]) & 0x20)) { - return new Element(substr(self::$encoded, $decoded['start'], $decoded['length'])); - } - $inmap = self::ANY_MAP[$intype]; - if (is_string($inmap)) { - return [$inmap => self::asn1map($decoded, ['type' => $intype] + $mapping, $special)]; - } - break; - case $mapping['type'] == self::TYPE_CHOICE: - foreach ($mapping['children'] as $key => $option) { - switch (true) { - case isset($option['constant']) && $option['constant'] == $decoded['constant']: - case !isset($option['constant']) && $option['type'] == $decoded['type']: - $value = self::asn1map($decoded, $option, $special); - break; - case !isset($option['constant']) && $option['type'] == self::TYPE_CHOICE: - $v = self::asn1map($decoded, $option, $special); - if (isset($v)) { - $value = $v; - } - } - if (isset($value)) { - if (isset($special[$key])) { - $value = call_user_func($special[$key], $value); - } - return [$key => $value]; - } - } - return null; - case isset($mapping['implicit']): - case isset($mapping['explicit']): - case $decoded['type'] == $mapping['type']: - break; - default: - // if $decoded['type'] and $mapping['type'] are both strings, but different types of strings, - // let it through - switch (true) { - case $decoded['type'] < 18: // self::TYPE_NUMERIC_STRING == 18 - case $decoded['type'] > 30: // self::TYPE_BMP_STRING == 30 - case $mapping['type'] < 18: - case $mapping['type'] > 30: - return null; - } - } - - if (isset($mapping['implicit'])) { - $decoded['type'] = $mapping['type']; - } - - switch ($decoded['type']) { - case self::TYPE_SEQUENCE: - $map = []; - - // ignore the min and max - if (isset($mapping['min']) && isset($mapping['max'])) { - $child = $mapping['children']; - foreach ($decoded['content'] as $content) { - if (($map[] = self::asn1map($content, $child, $special)) === null) { - return null; - } - } - - return $map; - } - - $n = count($decoded['content']); - $i = 0; - - foreach ($mapping['children'] as $key => $child) { - $maymatch = $i < $n; // Match only existing input. - if ($maymatch) { - $temp = $decoded['content'][$i]; - - if ($child['type'] != self::TYPE_CHOICE) { - // Get the mapping and input class & constant. - $childClass = $tempClass = self::CLASS_UNIVERSAL; - $constant = null; - if (isset($temp['constant'])) { - $tempClass = isset($temp['class']) ? $temp['class'] : self::CLASS_CONTEXT_SPECIFIC; - } - if (isset($child['class'])) { - $childClass = $child['class']; - $constant = $child['cast']; - } elseif (isset($child['constant'])) { - $childClass = self::CLASS_CONTEXT_SPECIFIC; - $constant = $child['constant']; - } - - if (isset($constant) && isset($temp['constant'])) { - // Can only match if constants and class match. - $maymatch = $constant == $temp['constant'] && $childClass == $tempClass; - } else { - // Can only match if no constant expected and type matches or is generic. - $maymatch = !isset($child['constant']) && array_search($child['type'], [$temp['type'], self::TYPE_ANY, self::TYPE_CHOICE]) !== false; - } - } - } - - if ($maymatch) { - // Attempt submapping. - $candidate = self::asn1map($temp, $child, $special); - $maymatch = $candidate !== null; - } - - if ($maymatch) { - // Got the match: use it. - if (isset($special[$key])) { - $candidate = call_user_func($special[$key], $candidate); - } - $map[$key] = $candidate; - $i++; - } elseif (isset($child['default'])) { - switch ($child['type']) { - case ASN1::TYPE_INTEGER: - $map[$key] = new BigInteger($child['default']); - break; - //case ASN1::TYPE_BOOLEAN: - default: - $map[$key] = $child['type']; - } - } elseif (!isset($child['optional'])) { - return null; // Syntax error. - } - } - - // Fail mapping if all input items have not been consumed. - return $i < $n ? null: $map; - - // the main diff between sets and sequences is the encapsulation of the foreach in another for loop - case self::TYPE_SET: - $map = []; - - // ignore the min and max - if (isset($mapping['min']) && isset($mapping['max'])) { - $child = $mapping['children']; - foreach ($decoded['content'] as $content) { - if (($map[] = self::asn1map($content, $child, $special)) === null) { - return null; - } - } - - return $map; - } - - for ($i = 0; $i < count($decoded['content']); $i++) { - $temp = $decoded['content'][$i]; - $tempClass = self::CLASS_UNIVERSAL; - if (isset($temp['constant'])) { - $tempClass = isset($temp['class']) ? $temp['class'] : self::CLASS_CONTEXT_SPECIFIC; - } - - foreach ($mapping['children'] as $key => $child) { - if (isset($map[$key])) { - continue; - } - $maymatch = true; - if ($child['type'] != self::TYPE_CHOICE) { - $childClass = self::CLASS_UNIVERSAL; - $constant = null; - if (isset($child['class'])) { - $childClass = $child['class']; - $constant = $child['cast']; - } elseif (isset($child['constant'])) { - $childClass = self::CLASS_CONTEXT_SPECIFIC; - $constant = $child['constant']; - } - - if (isset($constant) && isset($temp['constant'])) { - // Can only match if constants and class match. - $maymatch = $constant == $temp['constant'] && $childClass == $tempClass; - } else { - // Can only match if no constant expected and type matches or is generic. - $maymatch = !isset($child['constant']) && array_search($child['type'], [$temp['type'], self::TYPE_ANY, self::TYPE_CHOICE]) !== false; - } - } - - if ($maymatch) { - // Attempt submapping. - $candidate = self::asn1map($temp, $child, $special); - $maymatch = $candidate !== null; - } - - if (!$maymatch) { - break; - } - - // Got the match: use it. - if (isset($special[$key])) { - $candidate = call_user_func($special[$key], $candidate); - } - $map[$key] = $candidate; - break; - } - } - - foreach ($mapping['children'] as $key => $child) { - if (!isset($map[$key])) { - if (isset($child['default'])) { - $map[$key] = $child['default']; - } elseif (!isset($child['optional'])) { - return null; - } - } - } - return $map; - case self::TYPE_OBJECT_IDENTIFIER: - return isset(self::$oids[$decoded['content']]) ? self::$oids[$decoded['content']] : $decoded['content']; - case self::TYPE_UTC_TIME: - case self::TYPE_GENERALIZED_TIME: - if (isset($mapping['implicit'])) { - $decoded['content'] = self::decodeTime($decoded['content'], $decoded['type']); - } - return @date(self::$format, $decoded['content']); - case self::TYPE_BIT_STRING: - if (isset($mapping['mapping'])) { - $offset = ord($decoded['content'][0]); - $size = (strlen($decoded['content']) - 1) * 8 - $offset; - /* - From X.680-0207.pdf#page=46 (21.7): - - "When a "NamedBitList" is used in defining a bitstring type ASN.1 encoding rules are free to add (or remove) - arbitrarily any trailing 0 bits to (or from) values that are being encoded or decoded. Application designers should - therefore ensure that different semantics are not associated with such values which differ only in the number of trailing - 0 bits." - */ - $bits = count($mapping['mapping']) == $size ? [] : array_fill(0, count($mapping['mapping']) - $size, false); - for ($i = strlen($decoded['content']) - 1; $i > 0; $i--) { - $current = ord($decoded['content'][$i]); - for ($j = $offset; $j < 8; $j++) { - $bits[] = (bool) ($current & (1 << $j)); - } - $offset = 0; - } - $values = []; - $map = array_reverse($mapping['mapping']); - foreach ($map as $i => $value) { - if ($bits[$i]) { - $values[] = $value; - } - } - return $values; - } - case self::TYPE_OCTET_STRING: - return $decoded['content']; - case self::TYPE_NULL: - return ''; - case self::TYPE_BOOLEAN: - return $decoded['content']; - case self::TYPE_NUMERIC_STRING: - case self::TYPE_PRINTABLE_STRING: - case self::TYPE_TELETEX_STRING: - case self::TYPE_VIDEOTEX_STRING: - case self::TYPE_IA5_STRING: - case self::TYPE_GRAPHIC_STRING: - case self::TYPE_VISIBLE_STRING: - case self::TYPE_GENERAL_STRING: - case self::TYPE_UNIVERSAL_STRING: - case self::TYPE_UTF8_STRING: - case self::TYPE_BMP_STRING: - return $decoded['content']; - case self::TYPE_INTEGER: - case self::TYPE_ENUMERATED: - $temp = $decoded['content']; - if (isset($mapping['implicit'])) { - $temp = new BigInteger($decoded['content'], -256); - } - if (isset($mapping['mapping'])) { - $temp = (int) $temp->toString(); - return isset($mapping['mapping'][$temp]) ? - $mapping['mapping'][$temp] : - false; - } - return $temp; - } - } - - /** - * ASN.1 Encode - * - * DER-encodes an ASN.1 semantic mapping ($mapping). Some libraries would probably call this function - * an ASN.1 compiler. - * - * "Special" mappings can be applied via $special. - * - * @param string $source - * @param string $mapping - * @param int $idx - * @return string - * @access public - */ - public static function encodeDER($source, $mapping, $special = []) - { - self::$location = []; - return self::encode_der($source, $mapping, null, $special); - } - - /** - * ASN.1 Encode (Helper function) - * - * @param string $source - * @param string $mapping - * @param int $idx - * @return string - * @throws \RuntimeException if the input has an error in it - * @access private - */ - private static function encode_der($source, $mapping, $idx = null, $special = []) - { - if ($source instanceof Element) { - return $source->element; - } - - // do not encode (implicitly optional) fields with value set to default - if (isset($mapping['default']) && $source === $mapping['default']) { - return ''; - } - - if (isset($idx)) { - if (isset($special[$idx])) { - $source = call_user_func($special[$idx], $source); - } - self::$location[] = $idx; - } - - $tag = $mapping['type']; - - switch ($tag) { - case self::TYPE_SET: // Children order is not important, thus process in sequence. - case self::TYPE_SEQUENCE: - $tag|= 0x20; // set the constructed bit - - // ignore the min and max - if (isset($mapping['min']) && isset($mapping['max'])) { - $value = []; - $child = $mapping['children']; - - foreach ($source as $content) { - $temp = self::encode_der($content, $child, null, $special); - if ($temp === false) { - return false; - } - $value[]= $temp; - } - /* "The encodings of the component values of a set-of value shall appear in ascending order, the encodings being compared - as octet strings with the shorter components being padded at their trailing end with 0-octets. - NOTE - The padding octets are for comparison purposes only and do not appear in the encodings." - - -- sec 11.6 of http://www.itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf */ - if ($mapping['type'] == self::TYPE_SET) { - sort($value); - } - $value = implode($value, ''); - break; - } - - $value = ''; - foreach ($mapping['children'] as $key => $child) { - if (!array_key_exists($key, $source)) { - if (!isset($child['optional'])) { - return false; - } - continue; - } - - $temp = self::encode_der($source[$key], $child, $key, $special); - if ($temp === false) { - return false; - } - - // An empty child encoding means it has been optimized out. - // Else we should have at least one tag byte. - if ($temp === '') { - continue; - } - - // if isset($child['constant']) is true then isset($child['optional']) should be true as well - if (isset($child['constant'])) { - /* - From X.680-0207.pdf#page=58 (30.6): - - "The tagging construction specifies explicit tagging if any of the following holds: - ... - c) the "Tag Type" alternative is used and the value of "TagDefault" for the module is IMPLICIT TAGS or - AUTOMATIC TAGS, but the type defined by "Type" is an untagged choice type, an untagged open type, or - an untagged "DummyReference" (see ITU-T Rec. X.683 | ISO/IEC 8824-4, 8.3)." - */ - if (isset($child['explicit']) || $child['type'] == self::TYPE_CHOICE) { - $subtag = chr((self::CLASS_CONTEXT_SPECIFIC << 6) | 0x20 | $child['constant']); - $temp = $subtag . self::encodeLength(strlen($temp)) . $temp; - } else { - $subtag = chr((self::CLASS_CONTEXT_SPECIFIC << 6) | (ord($temp[0]) & 0x20) | $child['constant']); - $temp = $subtag . substr($temp, 1); - } - } - $value.= $temp; - } - break; - case self::TYPE_CHOICE: - $temp = false; - - foreach ($mapping['children'] as $key => $child) { - if (!isset($source[$key])) { - continue; - } - - $temp = self::encode_der($source[$key], $child, $key, $special); - if ($temp === false) { - return false; - } - - // An empty child encoding means it has been optimized out. - // Else we should have at least one tag byte. - if ($temp === '') { - continue; - } - - $tag = ord($temp[0]); - - // if isset($child['constant']) is true then isset($child['optional']) should be true as well - if (isset($child['constant'])) { - if (isset($child['explicit']) || $child['type'] == self::TYPE_CHOICE) { - $subtag = chr((self::CLASS_CONTEXT_SPECIFIC << 6) | 0x20 | $child['constant']); - $temp = $subtag . self::encodeLength(strlen($temp)) . $temp; - } else { - $subtag = chr((self::CLASS_CONTEXT_SPECIFIC << 6) | (ord($temp[0]) & 0x20) | $child['constant']); - $temp = $subtag . substr($temp, 1); - } - } - } - - if (isset($idx)) { - array_pop(self::$location); - } - - if ($temp && isset($mapping['cast'])) { - $temp[0] = chr(($mapping['class'] << 6) | ($tag & 0x20) | $mapping['cast']); - } - - return $temp; - case self::TYPE_INTEGER: - case self::TYPE_ENUMERATED: - if (!isset($mapping['mapping'])) { - if (is_numeric($source)) { - $source = new BigInteger($source); - } - $value = $source->toBytes(true); - } else { - $value = array_search($source, $mapping['mapping']); - if ($value === false) { - return false; - } - $value = new BigInteger($value); - $value = $value->toBytes(true); - } - if (!strlen($value)) { - $value = chr(0); - } - break; - case self::TYPE_UTC_TIME: - case self::TYPE_GENERALIZED_TIME: - $format = $mapping['type'] == self::TYPE_UTC_TIME ? 'y' : 'Y'; - $format.= 'mdHis'; - $value = @gmdate($format, strtotime($source)) . 'Z'; - break; - case self::TYPE_BIT_STRING: - if (isset($mapping['mapping'])) { - $bits = array_fill(0, count($mapping['mapping']), 0); - $size = 0; - for ($i = 0; $i < count($mapping['mapping']); $i++) { - if (in_array($mapping['mapping'][$i], $source)) { - $bits[$i] = 1; - $size = $i; - } - } - - if (isset($mapping['min']) && $mapping['min'] >= 1 && $size < $mapping['min']) { - $size = $mapping['min'] - 1; - } - - $offset = 8 - (($size + 1) & 7); - $offset = $offset !== 8 ? $offset : 0; - - $value = chr($offset); - - for ($i = $size + 1; $i < count($mapping['mapping']); $i++) { - unset($bits[$i]); - } - - $bits = implode('', array_pad($bits, $size + $offset + 1, 0)); - $bytes = explode(' ', rtrim(chunk_split($bits, 8, ' '))); - foreach ($bytes as $byte) { - $value.= chr(bindec($byte)); - } - - break; - } - case self::TYPE_OCTET_STRING: - /* The initial octet shall encode, as an unsigned binary integer with bit 1 as the least significant bit, - the number of unused bits in the final subsequent octet. The number shall be in the range zero to seven. - - -- http://www.itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf#page=16 */ - $value = $source; - break; - case self::TYPE_OBJECT_IDENTIFIER: - if (!preg_match('#(?:\d+\.)+#', $source)) { - $oid = isset(self::$reverseOIDs[$source]) ? self::$reverseOIDs[$source] : false; - } else { - $oid = $source; - } - if ($oid === false) { - throw new \RuntimeException('Invalid OID'); - } - $value = ''; - $parts = explode('.', $oid); - $value = chr(40 * $parts[0] + $parts[1]); - for ($i = 2; $i < count($parts); $i++) { - $temp = ''; - if (!$parts[$i]) { - $temp = "\0"; - } else { - while ($parts[$i]) { - $temp = chr(0x80 | ($parts[$i] & 0x7F)) . $temp; - $parts[$i] >>= 7; - } - $temp[strlen($temp) - 1] = $temp[strlen($temp) - 1] & chr(0x7F); - } - $value.= $temp; - } - break; - case self::TYPE_ANY: - $loc = self::$location; - if (isset($idx)) { - array_pop(self::$location); - } - - switch (true) { - case !isset($source): - return self::encode_der(null, ['type' => self::TYPE_NULL] + $mapping, null, $special); - case is_int($source): - case $source instanceof BigInteger: - return self::encode_der($source, ['type' => self::TYPE_INTEGER] + $mapping, null, $special); - case is_float($source): - return self::encode_der($source, ['type' => self::TYPE_REAL] + $mapping, null, $special); - case is_bool($source): - return self::encode_der($source, ['type' => self::TYPE_BOOLEAN] + $mapping, null, $special); - case is_array($source) && count($source) == 1: - $typename = implode('', array_keys($source)); - $outtype = array_search($typename, self::ANY_MAP, true); - if ($outtype !== false) { - return self::encode_der($source[$typename], ['type' => $outtype] + $mapping, null, $special); - } - } - - $filters = self::$filters; - foreach ($loc as $part) { - if (!isset($filters[$part])) { - $filters = false; - break; - } - $filters = $filters[$part]; - } - if ($filters === false) { - throw new \RuntimeException('No filters defined for ' . implode('/', $loc)); - } - return self::encode_der($source, $filters + $mapping, null, $special); - case self::TYPE_NULL: - $value = ''; - break; - case self::TYPE_NUMERIC_STRING: - case self::TYPE_TELETEX_STRING: - case self::TYPE_PRINTABLE_STRING: - case self::TYPE_UNIVERSAL_STRING: - case self::TYPE_UTF8_STRING: - case self::TYPE_BMP_STRING: - case self::TYPE_IA5_STRING: - case self::TYPE_VISIBLE_STRING: - case self::TYPE_VIDEOTEX_STRING: - case self::TYPE_GRAPHIC_STRING: - case self::TYPE_GENERAL_STRING: - $value = $source; - break; - case self::TYPE_BOOLEAN: - $value = $source ? "\xFF" : "\x00"; - break; - default: - throw new \RuntimeException('Mapping provides no type definition for ' . implode('/', self::$location)); - } - - if (isset($idx)) { - array_pop(self::$location); - } - - if (isset($mapping['cast'])) { - if (isset($mapping['explicit']) || $mapping['type'] == self::TYPE_CHOICE) { - $value = chr($tag) . self::encodeLength(strlen($value)) . $value; - $tag = ($mapping['class'] << 6) | 0x20 | $mapping['cast']; - } else { - $tag = ($mapping['class'] << 6) | (ord($temp[0]) & 0x20) | $mapping['cast']; - } - } - - return chr($tag) . self::encodeLength(strlen($value)) . $value; - } - - /** - * BER-decode the time - * - * Called by _decode_ber() and in the case of implicit tags asn1map(). - * - * @access private - * @param string $content - * @param int $tag - * @return string - */ - private static function decodeTime($content, $tag) - { - /* UTCTime: - http://tools.ietf.org/html/rfc5280#section-4.1.2.5.1 - http://www.obj-sys.com/asn1tutorial/node15.html - - GeneralizedTime: - http://tools.ietf.org/html/rfc5280#section-4.1.2.5.2 - http://www.obj-sys.com/asn1tutorial/node14.html */ - - $pattern = $tag == self::TYPE_UTC_TIME ? - '#^(..)(..)(..)(..)(..)(..)?(.*)$#' : - '#(....)(..)(..)(..)(..)(..).*([Z+-].*)$#'; - - preg_match($pattern, $content, $matches); - - list(, $year, $month, $day, $hour, $minute, $second, $timezone) = $matches; - - if ($tag == self::TYPE_UTC_TIME) { - $year = $year >= 50 ? "19$year" : "20$year"; - } - - if ($timezone == 'Z') { - $mktime = 'gmmktime'; - $timezone = 0; - } elseif (preg_match('#([+-])(\d\d)(\d\d)#', $timezone, $matches)) { - $mktime = 'gmmktime'; - $timezone = 60 * $matches[3] + 3600 * $matches[2]; - if ($matches[1] == '-') { - $timezone = -$timezone; - } - } else { - $mktime = 'mktime'; - $timezone = 0; - } - - return @$mktime((int)$hour, (int)$minute, (int)$second, (int)$month, (int)$day, (int)$year) + $timezone; - } - - /** - * Set the time format - * - * Sets the time / date format for asn1map(). - * - * @access public - * @param string $format - */ - public static function setTimeFormat($format) - { - self::$format = $format; - } - - /** - * Load OIDs - * - * Load the relevant OIDs for a particular ASN.1 semantic mapping. - * Previously loaded OIDs are retained. - * - * @access public - * @param array $oids - */ - public static function loadOIDs($oids) - { - self::$oids+= $oids; - self::$reverseOIDs = array_flip(self::$oids); - } - - /** - * Set filters - * - * See \phpseclib\File\X509, etc, for an example. - * Previously loaded filters are not retained. - * - * @access public - * @param array $filters - */ - public static function setFilters($filters) - { - self::$filters = $filters; - } - - /** - * String type conversion - * - * This is a lazy conversion, dealing only with character size. - * No real conversion table is used. - * - * @param string $in - * @param int $from - * @param int $to - * @return string - * @access public - */ - public static function convert($in, $from = self::TYPE_UTF8_STRING, $to = self::TYPE_UTF8_STRING) - { - // isset(self::STRING_TYPE_SIZE[$from] returns a fatal error on PHP 5.6 - if (!array_key_exists($from, self::STRING_TYPE_SIZE) || !array_key_exists($to, self::STRING_TYPE_SIZE)) { - return false; - } - $insize = self::STRING_TYPE_SIZE[$from]; - $outsize = self::STRING_TYPE_SIZE[$to]; - $inlength = strlen($in); - $out = ''; - - for ($i = 0; $i < $inlength;) { - if ($inlength - $i < $insize) { - return false; - } - - // Get an input character as a 32-bit value. - $c = ord($in[$i++]); - switch (true) { - case $insize == 4: - $c = ($c << 8) | ord($in[$i++]); - $c = ($c << 8) | ord($in[$i++]); - case $insize == 2: - $c = ($c << 8) | ord($in[$i++]); - case $insize == 1: - break; - case ($c & 0x80) == 0x00: - break; - case ($c & 0x40) == 0x00: - return false; - default: - $bit = 6; - do { - if ($bit > 25 || $i >= $inlength || (ord($in[$i]) & 0xC0) != 0x80) { - return false; - } - $c = ($c << 6) | (ord($in[$i++]) & 0x3F); - $bit += 5; - $mask = 1 << $bit; - } while ($c & $bit); - $c &= $mask - 1; - break; - } - - // Convert and append the character to output string. - $v = ''; - switch (true) { - case $outsize == 4: - $v .= chr($c & 0xFF); - $c >>= 8; - $v .= chr($c & 0xFF); - $c >>= 8; - case $outsize == 2: - $v .= chr($c & 0xFF); - $c >>= 8; - case $outsize == 1: - $v .= chr($c & 0xFF); - $c >>= 8; - if ($c) { - return false; - } - break; - case ($c & 0x80000000) != 0: - return false; - case $c >= 0x04000000: - $v .= chr(0x80 | ($c & 0x3F)); - $c = ($c >> 6) | 0x04000000; - case $c >= 0x00200000: - $v .= chr(0x80 | ($c & 0x3F)); - $c = ($c >> 6) | 0x00200000; - case $c >= 0x00010000: - $v .= chr(0x80 | ($c & 0x3F)); - $c = ($c >> 6) | 0x00010000; - case $c >= 0x00000800: - $v .= chr(0x80 | ($c & 0x3F)); - $c = ($c >> 6) | 0x00000800; - case $c >= 0x00000080: - $v .= chr(0x80 | ($c & 0x3F)); - $c = ($c >> 6) | 0x000000C0; - default: - $v .= chr($c); - break; - } - $out .= strrev($v); - } - return $out; - } - - /** - * Extract raw BER from Base64 encoding - * - * @access private - * @param string $str - * @return string - */ - public static function extractBER($str) - { - /* X.509 certs are assumed to be base64 encoded but sometimes they'll have additional things in them - * above and beyond the ceritificate. - * ie. some may have the following preceding the -----BEGIN CERTIFICATE----- line: - * - * Bag Attributes - * localKeyID: 01 00 00 00 - * subject=/O=organization/OU=org unit/CN=common name - * issuer=/O=organization/CN=common name - */ - $temp = preg_replace('#.*?^-+[^-]+-+[\r\n ]*$#ms', '', $str, 1); - // remove the -----BEGIN CERTIFICATE----- and -----END CERTIFICATE----- stuff - $temp = preg_replace('#-+[^-]+-+#', '', $temp); - // remove new lines - $temp = str_replace(["\r", "\n", ' '], '', $temp); - $temp = preg_match('#^[a-zA-Z\d/+]*={0,2}$#', $temp) ? Base64::decode($temp) : false; - return $temp != false ? $temp : $str; - } - - /** - * DER-decode the length - * - * DER supports lengths up to (2**8)**127, however, we'll only support lengths up to (2**8)**4. See - * {@link http://itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf#p=13 X.690 paragraph 8.1.3} for more information. - * - * @access public - * @param string $string - * @return int - */ - public static function decodeLength(&$string) - { - $length = ord(Strings::shift($string)); - if ($length & 0x80) { // definite length, long form - $length&= 0x7F; - $temp = Strings::shift($string, $length); - list(, $length) = unpack('N', substr(str_pad($temp, 4, chr(0), STR_PAD_LEFT), -4)); - } - return $length; - } - - /** - * DER-encode the length - * - * DER supports lengths up to (2**8)**127, however, we'll only support lengths up to (2**8)**4. See - * {@link http://itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf#p=13 X.690 paragraph 8.1.3} for more information. - * - * @access public - * @param int $length - * @return string - */ - public static function encodeLength($length) - { - if ($length <= 0x7F) { - return chr($length); - } - - $temp = ltrim(pack('N', $length), chr(0)); - return pack('Ca*', 0x80 | strlen($temp), $temp); - } - - /** - * Returns the OID corresponding to a name - * - * What's returned in the associative array returned by loadX509() (or load*()) is either a name or an OID if - * no OID to name mapping is available. The problem with this is that what may be an unmapped OID in one version - * of phpseclib may not be unmapped in the next version, so apps that are looking at this OID may not be able - * to work from version to version. - * - * This method will return the OID if a name is passed to it and if no mapping is avialable it'll assume that - * what's being passed to it already is an OID and return that instead. A few examples. - * - * getOID('2.16.840.1.101.3.4.2.1') == '2.16.840.1.101.3.4.2.1' - * getOID('id-sha256') == '2.16.840.1.101.3.4.2.1' - * getOID('zzz') == 'zzz' - * - * @access public - * @return string - */ - static function getOID($name) - { - return isset(self::$reverseOIDs[$name]) ? self::$reverseOIDs[$name] : $name; - } -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Element.php b/lib/phpaes/phpseclib/File/ASN1/Element.php deleted file mode 100644 index 048104e601..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Element.php +++ /dev/null @@ -1,49 +0,0 @@ - - * @copyright 2012 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1; - -/** - * ASN.1 Raw Element - * - * An ASN.1 ANY mapping will return an ASN1\Element object. Use of this object - * will also bypass the normal encoding rules in ASN1::encodeDER() - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -class Element -{ - /** - * Raw element value - * - * @var string - * @access private - */ - public $element; - - /** - * Constructor - * - * @param string $encoded - * @return \phpseclib\File\ASN1\Element - * @access public - */ - public function __construct($encoded) - { - $this->element = $encoded; - } -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/AccessDescription.php b/lib/phpaes/phpseclib/File/ASN1/Maps/AccessDescription.php deleted file mode 100644 index 4e1d91b115..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/AccessDescription.php +++ /dev/null @@ -1,36 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * AccessDescription - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class AccessDescription -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'accessMethod' => ['type' => ASN1::TYPE_OBJECT_IDENTIFIER], - 'accessLocation' => GeneralName::MAP - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/AdministrationDomainName.php b/lib/phpaes/phpseclib/File/ASN1/Maps/AdministrationDomainName.php deleted file mode 100644 index 911ed13050..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/AdministrationDomainName.php +++ /dev/null @@ -1,40 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * AdministrationDomainName - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class AdministrationDomainName -{ - const MAP = [ - 'type' => ASN1::TYPE_CHOICE, - // if class isn't present it's assumed to be \phpseclib\File\ASN1::CLASS_UNIVERSAL or - // (if constant is present) \phpseclib\File\ASN1::CLASS_CONTEXT_SPECIFIC - 'class' => ASN1::CLASS_APPLICATION, - 'cast' => 2, - 'children' => [ - 'numeric' => ['type' => ASN1::TYPE_NUMERIC_STRING], - 'printable' => ['type' => ASN1::TYPE_PRINTABLE_STRING] - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/AlgorithmIdentifier.php b/lib/phpaes/phpseclib/File/ASN1/Maps/AlgorithmIdentifier.php deleted file mode 100644 index f2ed617c1f..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/AlgorithmIdentifier.php +++ /dev/null @@ -1,39 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * AlgorithmIdentifier - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class AlgorithmIdentifier -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'algorithm' => ['type' => ASN1::TYPE_OBJECT_IDENTIFIER], - 'parameters' => [ - 'type' => ASN1::TYPE_ANY, - 'optional' => true - ] - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/AnotherName.php b/lib/phpaes/phpseclib/File/ASN1/Maps/AnotherName.php deleted file mode 100644 index f00b397461..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/AnotherName.php +++ /dev/null @@ -1,41 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * AnotherName - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class AnotherName -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'type-id' => ['type' => ASN1::TYPE_OBJECT_IDENTIFIER], - 'value' => [ - 'type' => ASN1::TYPE_ANY, - 'constant' => 0, - 'optional' => true, - 'explicit' => true - ] - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/Attribute.php b/lib/phpaes/phpseclib/File/ASN1/Maps/Attribute.php deleted file mode 100644 index cf657fa9d6..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/Attribute.php +++ /dev/null @@ -1,41 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * Attribute - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class Attribute -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'type' => AttributeType::MAP, - 'value'=> [ - 'type' => ASN1::TYPE_SET, - 'min' => 1, - 'max' => -1, - 'children' => AttributeValue::MAP - ] - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/AttributeType.php b/lib/phpaes/phpseclib/File/ASN1/Maps/AttributeType.php deleted file mode 100644 index 354ed10e5c..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/AttributeType.php +++ /dev/null @@ -1,30 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * AttributeType - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class AttributeType -{ - const MAP = ['type' => ASN1::TYPE_OBJECT_IDENTIFIER]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/AttributeTypeAndValue.php b/lib/phpaes/phpseclib/File/ASN1/Maps/AttributeTypeAndValue.php deleted file mode 100644 index 4982e5e46b..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/AttributeTypeAndValue.php +++ /dev/null @@ -1,36 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * AttributeTypeAndValue - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class AttributeTypeAndValue -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'type' => AttributeType::MAP, - 'value'=> AttributeValue::MAP - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/AttributeValue.php b/lib/phpaes/phpseclib/File/ASN1/Maps/AttributeValue.php deleted file mode 100644 index 10b8ad094a..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/AttributeValue.php +++ /dev/null @@ -1,30 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * AttributeValue - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class AttributeValue -{ - const MAP = ['type' => ASN1::TYPE_ANY]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/Attributes.php b/lib/phpaes/phpseclib/File/ASN1/Maps/Attributes.php deleted file mode 100644 index 2614ef452a..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/Attributes.php +++ /dev/null @@ -1,35 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * Attributes - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class Attributes -{ - const MAP = [ - 'type' => ASN1::TYPE_SET, - 'min' => 1, - 'max' => -1, - 'children' => Attribute::MAP - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/AuthorityInfoAccessSyntax.php b/lib/phpaes/phpseclib/File/ASN1/Maps/AuthorityInfoAccessSyntax.php deleted file mode 100644 index 8fc7bfe7a3..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/AuthorityInfoAccessSyntax.php +++ /dev/null @@ -1,35 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * AuthorityInfoAccessSyntax - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class AuthorityInfoAccessSyntax -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'min' => 1, - 'max' => -1, - 'children' => AccessDescription::MAP - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/AuthorityKeyIdentifier.php b/lib/phpaes/phpseclib/File/ASN1/Maps/AuthorityKeyIdentifier.php deleted file mode 100644 index 634d3a42fe..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/AuthorityKeyIdentifier.php +++ /dev/null @@ -1,49 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * AuthorityKeyIdentifier - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class AuthorityKeyIdentifier -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'keyIdentifier' => [ - 'constant' => 0, - 'optional' => true, - 'implicit' => true - ] + KeyIdentifier::MAP, - 'authorityCertIssuer' => [ - 'constant' => 1, - 'optional' => true, - 'implicit' => true - ] + GeneralNames::MAP, - 'authorityCertSerialNumber' => [ - 'constant' => 2, - 'optional' => true, - 'implicit' => true - ] + CertificateSerialNumber::MAP - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/BaseDistance.php b/lib/phpaes/phpseclib/File/ASN1/Maps/BaseDistance.php deleted file mode 100644 index cdeb566567..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/BaseDistance.php +++ /dev/null @@ -1,30 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * BaseDistance - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class BaseDistance -{ - const MAP = ['type' => ASN1::TYPE_INTEGER]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/BasicConstraints.php b/lib/phpaes/phpseclib/File/ASN1/Maps/BasicConstraints.php deleted file mode 100644 index 4fd2c6375f..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/BasicConstraints.php +++ /dev/null @@ -1,43 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * BasicConstraints - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class BasicConstraints -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'cA' => [ - 'type' => ASN1::TYPE_BOOLEAN, - 'optional' => true, - 'default' => false - ], - 'pathLenConstraint' => [ - 'type' => ASN1::TYPE_INTEGER, - 'optional' => true - ] - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/BuiltInDomainDefinedAttribute.php b/lib/phpaes/phpseclib/File/ASN1/Maps/BuiltInDomainDefinedAttribute.php deleted file mode 100644 index 6b81a18cfa..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/BuiltInDomainDefinedAttribute.php +++ /dev/null @@ -1,36 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * BuiltInDomainDefinedAttribute - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class BuiltInDomainDefinedAttribute -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'type' => ['type' => ASN1::TYPE_PRINTABLE_STRING], - 'value' => ['type' => ASN1::TYPE_PRINTABLE_STRING] - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/BuiltInDomainDefinedAttributes.php b/lib/phpaes/phpseclib/File/ASN1/Maps/BuiltInDomainDefinedAttributes.php deleted file mode 100644 index 82d18354e1..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/BuiltInDomainDefinedAttributes.php +++ /dev/null @@ -1,35 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * BuiltInDomainDefinedAttributes - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class BuiltInDomainDefinedAttributes -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'min' => 1, - 'max' => 4, // ub-domain-defined-attributes - 'children' => BuiltInDomainDefinedAttribute::MAP - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/BuiltInStandardAttributes.php b/lib/phpaes/phpseclib/File/ASN1/Maps/BuiltInStandardAttributes.php deleted file mode 100644 index 1b5816743e..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/BuiltInStandardAttributes.php +++ /dev/null @@ -1,71 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * BuiltInStandardAttributes - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class BuiltInStandardAttributes -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'country-name' => ['optional' => true] + CountryName::MAP, - 'administration-domain-name' => ['optional' => true] + AdministrationDomainName::MAP, - 'network-address' => [ - 'constant' => 0, - 'optional' => true, - 'implicit' => true - ] + NetworkAddress::MAP, - 'terminal-identifier' => [ - 'constant' => 1, - 'optional' => true, - 'implicit' => true - ] + TerminalIdentifier::MAP, - 'private-domain-name' => [ - 'constant' => 2, - 'optional' => true, - 'explicit' => true - ] + PrivateDomainName::MAP, - 'organization-name' => [ - 'constant' => 3, - 'optional' => true, - 'implicit' => true - ] + OrganizationName::MAP, - 'numeric-user-identifier' => [ - 'constant' => 4, - 'optional' => true, - 'implicit' => true - ] + NumericUserIdentifier::MAP, - 'personal-name' => [ - 'constant' => 5, - 'optional' => true, - 'implicit' => true - ] + PersonalName::MAP, - 'organizational-unit-names' => [ - 'constant' => 6, - 'optional' => true, - 'implicit' => true - ] + OrganizationalUnitNames::MAP - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/CPSuri.php b/lib/phpaes/phpseclib/File/ASN1/Maps/CPSuri.php deleted file mode 100644 index 96ad09af4b..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/CPSuri.php +++ /dev/null @@ -1,30 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * CPSuri - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class CPSuri -{ - const MAP = ['type' => ASN1::TYPE_IA5_STRING]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/CRLDistributionPoints.php b/lib/phpaes/phpseclib/File/ASN1/Maps/CRLDistributionPoints.php deleted file mode 100644 index a06d474cc6..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/CRLDistributionPoints.php +++ /dev/null @@ -1,35 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * CRLDistributionPoints - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class CRLDistributionPoints -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'min' => 1, - 'max' => -1, - 'children' => DistributionPoint::MAP - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/CRLNumber.php b/lib/phpaes/phpseclib/File/ASN1/Maps/CRLNumber.php deleted file mode 100644 index 83eebd83fa..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/CRLNumber.php +++ /dev/null @@ -1,30 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * CRLNumber - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class CRLNumber -{ - const MAP = ['type' => ASN1::TYPE_INTEGER]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/CRLReason.php b/lib/phpaes/phpseclib/File/ASN1/Maps/CRLReason.php deleted file mode 100644 index ae5475e877..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/CRLReason.php +++ /dev/null @@ -1,45 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * CRLReason - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class CRLReason -{ - const MAP = [ - 'type' => ASN1::TYPE_ENUMERATED, - 'mapping' => [ - 'unspecified', - 'keyCompromise', - 'cACompromise', - 'affiliationChanged', - 'superseded', - 'cessationOfOperation', - 'certificateHold', - // Value 7 is not used. - 8 => 'removeFromCRL', - 'privilegeWithdrawn', - 'aACompromise' - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/CertPolicyId.php b/lib/phpaes/phpseclib/File/ASN1/Maps/CertPolicyId.php deleted file mode 100644 index c8fac468f6..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/CertPolicyId.php +++ /dev/null @@ -1,30 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * CertPolicyId - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class CertPolicyId -{ - const MAP = ['type' => ASN1::TYPE_OBJECT_IDENTIFIER]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/Certificate.php b/lib/phpaes/phpseclib/File/ASN1/Maps/Certificate.php deleted file mode 100644 index 0b6bcd71d4..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/Certificate.php +++ /dev/null @@ -1,37 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * Certificate - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class Certificate -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'tbsCertificate' => TBSCertificate::MAP, - 'signatureAlgorithm' => AlgorithmIdentifier::MAP, - 'signature' => ['type' => ASN1::TYPE_BIT_STRING] - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/CertificateIssuer.php b/lib/phpaes/phpseclib/File/ASN1/Maps/CertificateIssuer.php deleted file mode 100644 index 51696784ab..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/CertificateIssuer.php +++ /dev/null @@ -1,30 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * CertificateIssuer - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class CertificateIssuer -{ - const MAP = GeneralNames::MAP; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/CertificateList.php b/lib/phpaes/phpseclib/File/ASN1/Maps/CertificateList.php deleted file mode 100644 index 2ce3872ac9..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/CertificateList.php +++ /dev/null @@ -1,37 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * CertificateList - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class CertificateList -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'tbsCertList' => TBSCertList::MAP, - 'signatureAlgorithm' => AlgorithmIdentifier::MAP, - 'signature' => ['type' => ASN1::TYPE_BIT_STRING] - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/CertificatePolicies.php b/lib/phpaes/phpseclib/File/ASN1/Maps/CertificatePolicies.php deleted file mode 100644 index 65bd8a44ab..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/CertificatePolicies.php +++ /dev/null @@ -1,35 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * CertificatePolicies - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class CertificatePolicies -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'min' => 1, - 'max' => -1, - 'children' => PolicyInformation::MAP - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/CertificateSerialNumber.php b/lib/phpaes/phpseclib/File/ASN1/Maps/CertificateSerialNumber.php deleted file mode 100644 index c9cc70dbe8..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/CertificateSerialNumber.php +++ /dev/null @@ -1,30 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * CertificateSerialNumber - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class CertificateSerialNumber -{ - const MAP = ['type' => ASN1::TYPE_INTEGER]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/CertificationRequest.php b/lib/phpaes/phpseclib/File/ASN1/Maps/CertificationRequest.php deleted file mode 100644 index 97ff23c77e..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/CertificationRequest.php +++ /dev/null @@ -1,37 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * CertificationRequest - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class CertificationRequest -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'certificationRequestInfo' => CertificationRequestInfo::MAP, - 'signatureAlgorithm' => AlgorithmIdentifier::MAP, - 'signature' => ['type' => ASN1::TYPE_BIT_STRING] - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/CertificationRequestInfo.php b/lib/phpaes/phpseclib/File/ASN1/Maps/CertificationRequestInfo.php deleted file mode 100644 index f1f62aa439..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/CertificationRequestInfo.php +++ /dev/null @@ -1,45 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * CertificationRequestInfo - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class CertificationRequestInfo -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'version' => [ - 'type' => ASN1::TYPE_INTEGER, - 'mapping' => ['v1'] - ], - 'subject' => Name::MAP, - 'subjectPKInfo' => SubjectPublicKeyInfo::MAP, - 'attributes' => [ - 'constant' => 0, - 'optional' => true, - 'implicit' => true - ] + Attributes::MAP, - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/CountryName.php b/lib/phpaes/phpseclib/File/ASN1/Maps/CountryName.php deleted file mode 100644 index 98e7a88759..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/CountryName.php +++ /dev/null @@ -1,40 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * CountryName - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class CountryName -{ - const MAP = [ - 'type' => ASN1::TYPE_CHOICE, - // if class isn't present it's assumed to be \phpseclib\File\ASN1::CLASS_UNIVERSAL or - // (if constant is present) \phpseclib\File\ASN1::CLASS_CONTEXT_SPECIFIC - 'class' => ASN1::CLASS_APPLICATION, - 'cast' => 1, - 'children' => [ - 'x121-dcc-code' => ['type' => ASN1::TYPE_NUMERIC_STRING], - 'iso-3166-alpha2-code' => ['type' => ASN1::TYPE_PRINTABLE_STRING] - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/DSAParams.php b/lib/phpaes/phpseclib/File/ASN1/Maps/DSAParams.php deleted file mode 100644 index c3941edae0..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/DSAParams.php +++ /dev/null @@ -1,37 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * DSAParams - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class DSAParams -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'p' => ['type' => ASN1::TYPE_INTEGER], - 'q' => ['type' => ASN1::TYPE_INTEGER], - 'g' => ['type' => ASN1::TYPE_INTEGER] - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/DSAPrivateKey.php b/lib/phpaes/phpseclib/File/ASN1/Maps/DSAPrivateKey.php deleted file mode 100644 index 0617417859..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/DSAPrivateKey.php +++ /dev/null @@ -1,40 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * DSAPrivateKey - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class DSAPrivateKey -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'version' => ['type' => ASN1::TYPE_INTEGER], - 'p' => ['type' => ASN1::TYPE_INTEGER], - 'q' => ['type' => ASN1::TYPE_INTEGER], - 'g' => ['type' => ASN1::TYPE_INTEGER], - 'y' => ['type' => ASN1::TYPE_INTEGER], - 'x' => ['type' => ASN1::TYPE_INTEGER] - ] - ]; -} \ No newline at end of file diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/DSAPublicKey.php b/lib/phpaes/phpseclib/File/ASN1/Maps/DSAPublicKey.php deleted file mode 100644 index abe808d77d..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/DSAPublicKey.php +++ /dev/null @@ -1,30 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * DSAPublicKey - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class DSAPublicKey -{ - const MAP = ['type' => ASN1::TYPE_INTEGER]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/DigestInfo.php b/lib/phpaes/phpseclib/File/ASN1/Maps/DigestInfo.php deleted file mode 100644 index d326e343c8..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/DigestInfo.php +++ /dev/null @@ -1,38 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * DigestInfo - * - * from https://tools.ietf.org/html/rfc2898#appendix-A.3 - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class DigestInfo -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'digestAlgorithm' => AlgorithmIdentifier::MAP, - 'digest' => ['type' => ASN1::TYPE_OCTET_STRING] - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/DirectoryString.php b/lib/phpaes/phpseclib/File/ASN1/Maps/DirectoryString.php deleted file mode 100644 index 555aee242e..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/DirectoryString.php +++ /dev/null @@ -1,39 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * DirectoryString - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class DirectoryString -{ - const MAP = [ - 'type' => ASN1::TYPE_CHOICE, - 'children' => [ - 'teletexString' => ['type' => ASN1::TYPE_TELETEX_STRING], - 'printableString' => ['type' => ASN1::TYPE_PRINTABLE_STRING], - 'universalString' => ['type' => ASN1::TYPE_UNIVERSAL_STRING], - 'utf8String' => ['type' => ASN1::TYPE_UTF8_STRING], - 'bmpString' => ['type' => ASN1::TYPE_BMP_STRING] - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/DisplayText.php b/lib/phpaes/phpseclib/File/ASN1/Maps/DisplayText.php deleted file mode 100644 index 1e3f60f93e..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/DisplayText.php +++ /dev/null @@ -1,38 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * DisplayText - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class DisplayText -{ - const MAP = [ - 'type' => ASN1::TYPE_CHOICE, - 'children' => [ - 'ia5String' => ['type' => ASN1::TYPE_IA5_STRING], - 'visibleString' => ['type' => ASN1::TYPE_VISIBLE_STRING], - 'bmpString' => ['type' => ASN1::TYPE_BMP_STRING], - 'utf8String' => ['type' => ASN1::TYPE_UTF8_STRING] - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/DistributionPoint.php b/lib/phpaes/phpseclib/File/ASN1/Maps/DistributionPoint.php deleted file mode 100644 index 110ad45998..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/DistributionPoint.php +++ /dev/null @@ -1,49 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * DistributionPoint - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class DistributionPoint -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'distributionPoint' => [ - 'constant' => 0, - 'optional' => true, - 'explicit' => true - ] + DistributionPointName::MAP, - 'reasons' => [ - 'constant' => 1, - 'optional' => true, - 'implicit' => true - ] + ReasonFlags::MAP, - 'cRLIssuer' => [ - 'constant' => 2, - 'optional' => true, - 'implicit' => true - ] + GeneralNames::MAP - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/DistributionPointName.php b/lib/phpaes/phpseclib/File/ASN1/Maps/DistributionPointName.php deleted file mode 100644 index 8ea5ba059b..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/DistributionPointName.php +++ /dev/null @@ -1,44 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * DistributionPointName - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class DistributionPointName -{ - const MAP = [ - 'type' => ASN1::TYPE_CHOICE, - 'children' => [ - 'fullName' => [ - 'constant' => 0, - 'optional' => true, - 'implicit' => true - ] + GeneralNames::MAP, - 'nameRelativeToCRLIssuer' => [ - 'constant' => 1, - 'optional' => true, - 'implicit' => true - ] + RelativeDistinguishedName::MAP - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/DssSigValue.php b/lib/phpaes/phpseclib/File/ASN1/Maps/DssSigValue.php deleted file mode 100644 index 05eda2c381..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/DssSigValue.php +++ /dev/null @@ -1,36 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * DssSigValue - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class DssSigValue -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'r' => ['type' => ASN1::TYPE_INTEGER], - 's' => ['type' => ASN1::TYPE_INTEGER] - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/EDIPartyName.php b/lib/phpaes/phpseclib/File/ASN1/Maps/EDIPartyName.php deleted file mode 100644 index 3ac07e9d47..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/EDIPartyName.php +++ /dev/null @@ -1,46 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * EDIPartyName - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class EDIPartyName -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'nameAssigner' => [ - 'constant' => 0, - 'optional' => true, - 'implicit' => true - ] + DirectoryString::MAP, - // partyName is technically required but \phpseclib\File\ASN1 doesn't currently support non-optional constants and - // setting it to optional gets the job done in any event. - 'partyName' => [ - 'constant' => 1, - 'optional' => true, - 'implicit' => true - ] + DirectoryString::MAP - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/EncryptedData.php b/lib/phpaes/phpseclib/File/ASN1/Maps/EncryptedData.php deleted file mode 100644 index 79e361c8e8..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/EncryptedData.php +++ /dev/null @@ -1,30 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * EncryptedData - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class EncryptedData -{ - const MAP = ['type' => ASN1::TYPE_OCTET_STRING]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/EncryptedPrivateKeyInfo.php b/lib/phpaes/phpseclib/File/ASN1/Maps/EncryptedPrivateKeyInfo.php deleted file mode 100644 index ca8d559014..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/EncryptedPrivateKeyInfo.php +++ /dev/null @@ -1,36 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * EncryptedPrivateKeyInfo - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class EncryptedPrivateKeyInfo -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'encryptionAlgorithm' => AlgorithmIdentifier::MAP, - 'encryptedData' => EncryptedData::MAP - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/ExtKeyUsageSyntax.php b/lib/phpaes/phpseclib/File/ASN1/Maps/ExtKeyUsageSyntax.php deleted file mode 100644 index 9a257c5e22..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/ExtKeyUsageSyntax.php +++ /dev/null @@ -1,35 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * ExtKeyUsageSyntax - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class ExtKeyUsageSyntax -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'min' => 1, - 'max' => -1, - 'children' => KeyPurposeId::MAP - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/Extension.php b/lib/phpaes/phpseclib/File/ASN1/Maps/Extension.php deleted file mode 100644 index d59e2d3c2c..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/Extension.php +++ /dev/null @@ -1,47 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * Extension - * - * A certificate using system MUST reject the certificate if it encounters - * a critical extension it does not recognize; however, a non-critical - * extension may be ignored if it is not recognized. - * - * http://tools.ietf.org/html/rfc5280#section-4.2 - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class Extension -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'extnId' => ['type' => ASN1::TYPE_OBJECT_IDENTIFIER], - 'critical' => [ - 'type' => ASN1::TYPE_BOOLEAN, - 'optional' => true, - 'default' => false - ], - 'extnValue' => ['type' => ASN1::TYPE_OCTET_STRING] - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/ExtensionAttribute.php b/lib/phpaes/phpseclib/File/ASN1/Maps/ExtensionAttribute.php deleted file mode 100644 index cf537f639e..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/ExtensionAttribute.php +++ /dev/null @@ -1,46 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * ExtensionAttribute - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class ExtensionAttribute -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'extension-attribute-type' => [ - 'type' => ASN1::TYPE_PRINTABLE_STRING, - 'constant' => 0, - 'optional' => true, - 'implicit' => true - ], - 'extension-attribute-value' => [ - 'type' => ASN1::TYPE_ANY, - 'constant' => 1, - 'optional' => true, - 'explicit' => true - ] - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/ExtensionAttributes.php b/lib/phpaes/phpseclib/File/ASN1/Maps/ExtensionAttributes.php deleted file mode 100644 index 60189d8bd8..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/ExtensionAttributes.php +++ /dev/null @@ -1,35 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * ExtensionAttributes - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class ExtensionAttributes -{ - const MAP = [ - 'type' => ASN1::TYPE_SET, - 'min' => 1, - 'max' => 256, // ub-extension-attributes - 'children' => ExtensionAttribute::MAP - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/Extensions.php b/lib/phpaes/phpseclib/File/ASN1/Maps/Extensions.php deleted file mode 100644 index 152316ded3..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/Extensions.php +++ /dev/null @@ -1,37 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * Extensions - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class Extensions -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'min' => 1, - // technically, it's MAX, but we'll assume anything < 0 is MAX - 'max' => -1, - // if 'children' isn't an array then 'min' and 'max' must be defined - 'children' => Extension::MAP - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/GeneralName.php b/lib/phpaes/phpseclib/File/ASN1/Maps/GeneralName.php deleted file mode 100644 index 38e007905d..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/GeneralName.php +++ /dev/null @@ -1,84 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * GeneralName - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class GeneralName -{ - const MAP = [ - 'type' => ASN1::TYPE_CHOICE, - 'children' => [ - 'otherName' => [ - 'constant' => 0, - 'optional' => true, - 'implicit' => true - ] + AnotherName::MAP, - 'rfc822Name' => [ - 'type' => ASN1::TYPE_IA5_STRING, - 'constant' => 1, - 'optional' => true, - 'implicit' => true - ], - 'dNSName' => [ - 'type' => ASN1::TYPE_IA5_STRING, - 'constant' => 2, - 'optional' => true, - 'implicit' => true - ], - 'x400Address' => [ - 'constant' => 3, - 'optional' => true, - 'implicit' => true - ] + ORAddress::MAP, - 'directoryName' => [ - 'constant' => 4, - 'optional' => true, - 'explicit' => true - ] + Name::MAP, - 'ediPartyName' => [ - 'constant' => 5, - 'optional' => true, - 'implicit' => true - ] + EDIPartyName::MAP, - 'uniformResourceIdentifier' => [ - 'type' => ASN1::TYPE_IA5_STRING, - 'constant' => 6, - 'optional' => true, - 'implicit' => true - ], - 'iPAddress' => [ - 'type' => ASN1::TYPE_OCTET_STRING, - 'constant' => 7, - 'optional' => true, - 'implicit' => true - ], - 'registeredID' => [ - 'type' => ASN1::TYPE_OBJECT_IDENTIFIER, - 'constant' => 8, - 'optional' => true, - 'implicit' => true - ] - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/GeneralNames.php b/lib/phpaes/phpseclib/File/ASN1/Maps/GeneralNames.php deleted file mode 100644 index 263e2a2d8a..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/GeneralNames.php +++ /dev/null @@ -1,35 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * GeneralNames - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class GeneralNames -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'min' => 1, - 'max' => -1, - 'children' => GeneralName::MAP - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/GeneralSubtree.php b/lib/phpaes/phpseclib/File/ASN1/Maps/GeneralSubtree.php deleted file mode 100644 index 6b42f03435..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/GeneralSubtree.php +++ /dev/null @@ -1,46 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * GeneralSubtree - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class GeneralSubtree -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'base' => GeneralName::MAP, - 'minimum' => [ - 'constant' => 0, - 'optional' => true, - 'implicit' => true, - 'default' => '0' - ] + BaseDistance::MAP, - 'maximum' => [ - 'constant' => 1, - 'optional' => true, - 'implicit' => true, - ] + BaseDistance::MAP - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/GeneralSubtrees.php b/lib/phpaes/phpseclib/File/ASN1/Maps/GeneralSubtrees.php deleted file mode 100644 index 4d3a948e14..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/GeneralSubtrees.php +++ /dev/null @@ -1,35 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * GeneralSubtrees - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class GeneralSubtrees -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'min' => 1, - 'max' => -1, - 'children' => GeneralSubtree::MAP - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/HoldInstructionCode.php b/lib/phpaes/phpseclib/File/ASN1/Maps/HoldInstructionCode.php deleted file mode 100644 index fe4b991a69..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/HoldInstructionCode.php +++ /dev/null @@ -1,30 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * HoldInstructionCode - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class HoldInstructionCode -{ - const MAP = ['type' => ASN1::TYPE_OBJECT_IDENTIFIER]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/InvalidityDate.php b/lib/phpaes/phpseclib/File/ASN1/Maps/InvalidityDate.php deleted file mode 100644 index e776b5fbe6..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/InvalidityDate.php +++ /dev/null @@ -1,30 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * InvalidityDate - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class InvalidityDate -{ - const MAP = ['type' => ASN1::TYPE_GENERALIZED_TIME]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/IssuerAltName.php b/lib/phpaes/phpseclib/File/ASN1/Maps/IssuerAltName.php deleted file mode 100644 index 7d52663634..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/IssuerAltName.php +++ /dev/null @@ -1,30 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * IssuerAltName - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class IssuerAltName -{ - const MAP = GeneralNames::MAP; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/IssuingDistributionPoint.php b/lib/phpaes/phpseclib/File/ASN1/Maps/IssuingDistributionPoint.php deleted file mode 100644 index 15c22501ae..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/IssuingDistributionPoint.php +++ /dev/null @@ -1,72 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * IssuingDistributionPoint - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class IssuingDistributionPoint -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'distributionPoint' => [ - 'constant' => 0, - 'optional' => true, - 'explicit' => true - ] + DistributionPointName::MAP, - 'onlyContainsUserCerts' => [ - 'type' => ASN1::TYPE_BOOLEAN, - 'constant' => 1, - 'optional' => true, - 'default' => false, - 'implicit' => true - ], - 'onlyContainsCACerts' => [ - 'type' => ASN1::TYPE_BOOLEAN, - 'constant' => 2, - 'optional' => true, - 'default' => false, - 'implicit' => true - ], - 'onlySomeReasons' => [ - 'constant' => 3, - 'optional' => true, - 'implicit' => true - ] + ReasonFlags::MAP, - 'indirectCRL' => [ - 'type' => ASN1::TYPE_BOOLEAN, - 'constant' => 4, - 'optional' => true, - 'default' => false, - 'implicit' => true - ], - 'onlyContainsAttributeCerts' =>[ - 'type' => ASN1::TYPE_BOOLEAN, - 'constant' => 5, - 'optional' => true, - 'default' => false, - 'implicit' => true - ] - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/KeyIdentifier.php b/lib/phpaes/phpseclib/File/ASN1/Maps/KeyIdentifier.php deleted file mode 100644 index caf16d85bd..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/KeyIdentifier.php +++ /dev/null @@ -1,30 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * KeyIdentifier - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class KeyIdentifier -{ - const MAP = ['type' => ASN1::TYPE_OCTET_STRING]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/KeyPurposeId.php b/lib/phpaes/phpseclib/File/ASN1/Maps/KeyPurposeId.php deleted file mode 100644 index b401d7eba5..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/KeyPurposeId.php +++ /dev/null @@ -1,30 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * KeyPurposeId - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class KeyPurposeId -{ - const MAP = ['type' => ASN1::TYPE_OBJECT_IDENTIFIER]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/KeyUsage.php b/lib/phpaes/phpseclib/File/ASN1/Maps/KeyUsage.php deleted file mode 100644 index a743def69a..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/KeyUsage.php +++ /dev/null @@ -1,43 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * KeyUsage - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class KeyUsage -{ - const MAP = [ - 'type' => ASN1::TYPE_BIT_STRING, - 'mapping' => [ - 'digitalSignature', - 'nonRepudiation', - 'keyEncipherment', - 'dataEncipherment', - 'keyAgreement', - 'keyCertSign', - 'cRLSign', - 'encipherOnly', - 'decipherOnly' - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/Name.php b/lib/phpaes/phpseclib/File/ASN1/Maps/Name.php deleted file mode 100644 index 2241974397..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/Name.php +++ /dev/null @@ -1,35 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * Name - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class Name -{ - const MAP = [ - 'type' => ASN1::TYPE_CHOICE, - 'children' => [ - 'rdnSequence' => RDNSequence::MAP - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/NameConstraints.php b/lib/phpaes/phpseclib/File/ASN1/Maps/NameConstraints.php deleted file mode 100644 index 0f3d8c46f0..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/NameConstraints.php +++ /dev/null @@ -1,44 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * NameConstraints - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class NameConstraints -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'permittedSubtrees' => [ - 'constant' => 0, - 'optional' => true, - 'implicit' => true - ] + GeneralSubtrees::MAP, - 'excludedSubtrees' => [ - 'constant' => 1, - 'optional' => true, - 'implicit' => true - ] + GeneralSubtrees::MAP - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/NetworkAddress.php b/lib/phpaes/phpseclib/File/ASN1/Maps/NetworkAddress.php deleted file mode 100644 index 2edab3c84d..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/NetworkAddress.php +++ /dev/null @@ -1,30 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * NetworkAddress - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class NetworkAddress -{ - const MAP = ['type' => ASN1::TYPE_NUMERIC_STRING]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/NoticeReference.php b/lib/phpaes/phpseclib/File/ASN1/Maps/NoticeReference.php deleted file mode 100644 index 66aa93b6b2..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/NoticeReference.php +++ /dev/null @@ -1,41 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * NoticeReference - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class NoticeReference -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'organization' => DisplayText::MAP, - 'noticeNumbers' => [ - 'type' => ASN1::TYPE_SEQUENCE, - 'min' => 1, - 'max' => 200, - 'children' => ['type' => ASN1::TYPE_INTEGER] - ] - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/NumericUserIdentifier.php b/lib/phpaes/phpseclib/File/ASN1/Maps/NumericUserIdentifier.php deleted file mode 100644 index 9ed3d71789..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/NumericUserIdentifier.php +++ /dev/null @@ -1,30 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * NumericUserIdentifier - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class NumericUserIdentifier -{ - const MAP = ['type' => ASN1::TYPE_NUMERIC_STRING]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/ORAddress.php b/lib/phpaes/phpseclib/File/ASN1/Maps/ORAddress.php deleted file mode 100644 index e3119a461e..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/ORAddress.php +++ /dev/null @@ -1,37 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * ORAddress - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class ORAddress -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'built-in-standard-attributes' => BuiltInStandardAttributes::MAP, - 'built-in-domain-defined-attributes' => ['optional' => true] + BuiltInDomainDefinedAttributes::MAP, - 'extension-attributes' => ['optional' => true] + ExtensionAttributes::MAP - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/OrganizationName.php b/lib/phpaes/phpseclib/File/ASN1/Maps/OrganizationName.php deleted file mode 100644 index 04dd9d1b49..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/OrganizationName.php +++ /dev/null @@ -1,30 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * OrganizationName - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class OrganizationName -{ - const MAP = ['type' => ASN1::TYPE_PRINTABLE_STRING]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/OrganizationalUnitNames.php b/lib/phpaes/phpseclib/File/ASN1/Maps/OrganizationalUnitNames.php deleted file mode 100644 index 8a36c98891..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/OrganizationalUnitNames.php +++ /dev/null @@ -1,35 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * OrganizationalUnitNames - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class OrganizationalUnitNames -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'min' => 1, - 'max' => 4, // ub-organizational-units - 'children' => ['type' => ASN1::TYPE_PRINTABLE_STRING] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/OtherPrimeInfo.php b/lib/phpaes/phpseclib/File/ASN1/Maps/OtherPrimeInfo.php deleted file mode 100644 index 1ff4bc511c..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/OtherPrimeInfo.php +++ /dev/null @@ -1,38 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * OtherPrimeInfo - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class OtherPrimeInfo -{ - // version must be multi if otherPrimeInfos present - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'prime' => ['type' => ASN1::TYPE_INTEGER], // ri - 'exponent' => ['type' => ASN1::TYPE_INTEGER], // di - 'coefficient' => ['type' => ASN1::TYPE_INTEGER] // ti - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/OtherPrimeInfos.php b/lib/phpaes/phpseclib/File/ASN1/Maps/OtherPrimeInfos.php deleted file mode 100644 index 3a4ebd2d2b..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/OtherPrimeInfos.php +++ /dev/null @@ -1,36 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * OtherPrimeInfos - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class OtherPrimeInfos -{ - // version must be multi if otherPrimeInfos present - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'min' => 1, - 'max' => -1, - 'children' => OtherPrimeInfo::MAP - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/PBEParameter.php b/lib/phpaes/phpseclib/File/ASN1/Maps/PBEParameter.php deleted file mode 100644 index 174a84d86d..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/PBEParameter.php +++ /dev/null @@ -1,38 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * PBEParameter - * - * from https://tools.ietf.org/html/rfc2898#appendix-A.3 - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class PBEParameter -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'salt' => ['type' => ASN1::TYPE_OCTET_STRING], - 'iterationCount' => ['type' => ASN1::TYPE_INTEGER] - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/PBES2params.php b/lib/phpaes/phpseclib/File/ASN1/Maps/PBES2params.php deleted file mode 100644 index 3c50fe92f8..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/PBES2params.php +++ /dev/null @@ -1,38 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * PBES2params - * - * from https://tools.ietf.org/html/rfc2898#appendix-A.3 - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class PBES2params -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'keyDerivationFunc'=> AlgorithmIdentifier::MAP, - 'encryptionScheme' => AlgorithmIdentifier::MAP - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/PBKDF2params.php b/lib/phpaes/phpseclib/File/ASN1/Maps/PBKDF2params.php deleted file mode 100644 index 3d0d4501f5..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/PBKDF2params.php +++ /dev/null @@ -1,45 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * PBKDF2params - * - * from https://tools.ietf.org/html/rfc2898#appendix-A.3 - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class PBKDF2params -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - // technically, this is a CHOICE in RFC2898 but the other "choice" is, currently, more of a placeholder - // in the RFC - 'salt'=> ['type' => ASN1::TYPE_OCTET_STRING], - 'iterationCount'=> ['type' => ASN1::TYPE_INTEGER], - 'keyLength' => [ - 'type' => ASN1::TYPE_INTEGER, - 'optional' => true - ], - 'prf' => AlgorithmIdentifier::MAP + ['optional' => true] - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/PBMAC1params.php b/lib/phpaes/phpseclib/File/ASN1/Maps/PBMAC1params.php deleted file mode 100644 index ec46ebde21..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/PBMAC1params.php +++ /dev/null @@ -1,38 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * PBMAC1params - * - * from https://tools.ietf.org/html/rfc2898#appendix-A.3 - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class PBMAC1params -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'keyDerivationFunc'=> AlgorithmIdentifier::MAP, - 'messageAuthScheme'=> AlgorithmIdentifier::MAP - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/PKCS9String.php b/lib/phpaes/phpseclib/File/ASN1/Maps/PKCS9String.php deleted file mode 100644 index 9cbceae8e9..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/PKCS9String.php +++ /dev/null @@ -1,36 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * PKCS9String - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class PKCS9String -{ - const MAP = [ - 'type' => ASN1::TYPE_CHOICE, - 'children' => [ - 'ia5String' => ['type' => ASN1::TYPE_IA5_STRING], - 'directoryString' => DirectoryString::MAP - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/PersonalName.php b/lib/phpaes/phpseclib/File/ASN1/Maps/PersonalName.php deleted file mode 100644 index c308bfdb35..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/PersonalName.php +++ /dev/null @@ -1,58 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * PersonalName - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class PersonalName -{ - const MAP = [ - 'type' => ASN1::TYPE_SET, - 'children' => [ - 'surname' => [ - 'type' => ASN1::TYPE_PRINTABLE_STRING, - 'constant' => 0, - 'optional' => true, - 'implicit' => true - ], - 'given-name' => [ - 'type' => ASN1::TYPE_PRINTABLE_STRING, - 'constant' => 1, - 'optional' => true, - 'implicit' => true - ], - 'initials' => [ - 'type' => ASN1::TYPE_PRINTABLE_STRING, - 'constant' => 2, - 'optional' => true, - 'implicit' => true - ], - 'generation-qualifier' => [ - 'type' => ASN1::TYPE_PRINTABLE_STRING, - 'constant' => 3, - 'optional' => true, - 'implicit' => true - ] - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/PolicyInformation.php b/lib/phpaes/phpseclib/File/ASN1/Maps/PolicyInformation.php deleted file mode 100644 index 7d89f43be8..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/PolicyInformation.php +++ /dev/null @@ -1,42 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * PolicyInformation - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class PolicyInformation -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'policyIdentifier' => CertPolicyId::MAP, - 'policyQualifiers' => [ - 'type' => ASN1::TYPE_SEQUENCE, - 'min' => 0, - 'max' => -1, - 'optional' => true, - 'children' => PolicyQualifierInfo::MAP - ] - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/PolicyMappings.php b/lib/phpaes/phpseclib/File/ASN1/Maps/PolicyMappings.php deleted file mode 100644 index eaa5b49719..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/PolicyMappings.php +++ /dev/null @@ -1,41 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * PolicyMappings - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class PolicyMappings -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'min' => 1, - 'max' => -1, - 'children' => [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'issuerDomainPolicy' => CertPolicyId::MAP, - 'subjectDomainPolicy' => CertPolicyId::MAP - ] - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/PolicyQualifierId.php b/lib/phpaes/phpseclib/File/ASN1/Maps/PolicyQualifierId.php deleted file mode 100644 index e657d2ce62..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/PolicyQualifierId.php +++ /dev/null @@ -1,30 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * PolicyQualifierId - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class PolicyQualifierId -{ - const MAP = ['type' => ASN1::TYPE_OBJECT_IDENTIFIER]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/PolicyQualifierInfo.php b/lib/phpaes/phpseclib/File/ASN1/Maps/PolicyQualifierInfo.php deleted file mode 100644 index 83fc872eff..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/PolicyQualifierInfo.php +++ /dev/null @@ -1,36 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * PolicyQualifierInfo - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class PolicyQualifierInfo -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'policyQualifierId' => PolicyQualifierId::MAP, - 'qualifier' => ['type' => ASN1::TYPE_ANY] - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/PostalAddress.php b/lib/phpaes/phpseclib/File/ASN1/Maps/PostalAddress.php deleted file mode 100644 index 2a0e446dea..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/PostalAddress.php +++ /dev/null @@ -1,36 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * PostalAddress - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class PostalAddress -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'optional' => true, - 'min' => 1, - 'max' => -1, - 'children' => DirectoryString::MAP - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/PrivateDomainName.php b/lib/phpaes/phpseclib/File/ASN1/Maps/PrivateDomainName.php deleted file mode 100644 index 16ffc53916..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/PrivateDomainName.php +++ /dev/null @@ -1,36 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * PrivateDomainName - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class PrivateDomainName -{ - const MAP = [ - 'type' => ASN1::TYPE_CHOICE, - 'children' => [ - 'numeric' => ['type' => ASN1::TYPE_NUMERIC_STRING], - 'printable' => ['type' => ASN1::TYPE_PRINTABLE_STRING] - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/PrivateKey.php b/lib/phpaes/phpseclib/File/ASN1/Maps/PrivateKey.php deleted file mode 100644 index e8e4409a28..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/PrivateKey.php +++ /dev/null @@ -1,30 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * PrivateKey - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class PrivateKey -{ - const MAP = ['type' => ASN1::TYPE_OCTET_STRING]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/PrivateKeyInfo.php b/lib/phpaes/phpseclib/File/ASN1/Maps/PrivateKeyInfo.php deleted file mode 100644 index 04b6a22e01..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/PrivateKeyInfo.php +++ /dev/null @@ -1,45 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * PrivateKeyInfo - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class PrivateKeyInfo -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'version' => [ - 'type' => ASN1::TYPE_INTEGER, - 'mapping' => ['v1'] - ], - 'privateKeyAlgorithm'=> AlgorithmIdentifier::MAP, - 'privateKey' => PrivateKey::MAP, - 'attributes' => [ - 'constant' => 0, - 'optional' => true, - 'implicit' => true - ] + Attributes::MAP - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/PrivateKeyUsagePeriod.php b/lib/phpaes/phpseclib/File/ASN1/Maps/PrivateKeyUsagePeriod.php deleted file mode 100644 index 3d994199ed..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/PrivateKeyUsagePeriod.php +++ /dev/null @@ -1,44 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * PrivateKeyUsagePeriod - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class PrivateKeyUsagePeriod -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'notBefore' => [ - 'constant' => 0, - 'optional' => true, - 'implicit' => true, - 'type' => ASN1::TYPE_GENERALIZED_TIME], - 'notAfter' => [ - 'constant' => 1, - 'optional' => true, - 'implicit' => true, - 'type' => ASN1::TYPE_GENERALIZED_TIME] - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/PublicKeyAndChallenge.php b/lib/phpaes/phpseclib/File/ASN1/Maps/PublicKeyAndChallenge.php deleted file mode 100644 index 18a0e7d32c..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/PublicKeyAndChallenge.php +++ /dev/null @@ -1,36 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * PublicKeyAndChallenge - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class PublicKeyAndChallenge -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'spki' => SubjectPublicKeyInfo::MAP, - 'challenge' => ['type' => ASN1::TYPE_IA5_STRING] - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/PublicKeyInfo.php b/lib/phpaes/phpseclib/File/ASN1/Maps/PublicKeyInfo.php deleted file mode 100644 index 8f8b896623..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/PublicKeyInfo.php +++ /dev/null @@ -1,39 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * PublicKeyInfo - * - * this format is not formally defined anywhere but is none-the-less the form you - * get when you do "openssl rsa -in private.pem -outform PEM -pubout" - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class PublicKeyInfo -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'publicKeyAlgorithm'=> AlgorithmIdentifier::MAP, - 'publicKey' => ['type' => ASN1::TYPE_BIT_STRING] - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/RC2CBCParameter.php b/lib/phpaes/phpseclib/File/ASN1/Maps/RC2CBCParameter.php deleted file mode 100644 index 59254c0e5f..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/RC2CBCParameter.php +++ /dev/null @@ -1,41 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * RC2CBCParameter - * - * from https://tools.ietf.org/html/rfc2898#appendix-A.3 - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class RC2CBCParameter -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'rc2ParametersVersion'=> [ - 'type' => ASN1::TYPE_INTEGER, - 'optional' => true - ], - 'iv'=> ['type' => ASN1::TYPE_OCTET_STRING] - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/RDNSequence.php b/lib/phpaes/phpseclib/File/ASN1/Maps/RDNSequence.php deleted file mode 100644 index e9197d642f..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/RDNSequence.php +++ /dev/null @@ -1,42 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * RDNSequence - * - * In practice, RDNs containing multiple name-value pairs (called "multivalued RDNs") are rare, - * but they can be useful at times when either there is no unique attribute in the entry or you - * want to ensure that the entry's DN contains some useful identifying information. - * - * - https://www.opends.org/wiki/page/DefinitionRelativeDistinguishedName - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class RDNSequence -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - // RDNSequence does not define a min or a max, which means it doesn't have one - 'min' => 0, - 'max' => -1, - 'children' => RelativeDistinguishedName::MAP - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/RSAPrivateKey.php b/lib/phpaes/phpseclib/File/ASN1/Maps/RSAPrivateKey.php deleted file mode 100644 index a7f06a497a..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/RSAPrivateKey.php +++ /dev/null @@ -1,48 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * RSAPrivateKey - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class RSAPrivateKey -{ - // version must be multi if otherPrimeInfos present - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'version' => [ - 'type' => ASN1::TYPE_INTEGER, - 'mapping' => ['two-prime', 'multi'] - ], - 'modulus' => ['type' => ASN1::TYPE_INTEGER], // n - 'publicExponent' => ['type' => ASN1::TYPE_INTEGER], // e - 'privateExponent' => ['type' => ASN1::TYPE_INTEGER], // d - 'prime1' => ['type' => ASN1::TYPE_INTEGER], // p - 'prime2' => ['type' => ASN1::TYPE_INTEGER], // q - 'exponent1' => ['type' => ASN1::TYPE_INTEGER], // d mod (p-1) - 'exponent2' => ['type' => ASN1::TYPE_INTEGER], // d mod (q-1) - 'coefficient' => ['type' => ASN1::TYPE_INTEGER], // (inverse of q) mod p - 'otherPrimeInfos' => OtherPrimeInfos::MAP + ['optional' => true] - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/RSAPublicKey.php b/lib/phpaes/phpseclib/File/ASN1/Maps/RSAPublicKey.php deleted file mode 100644 index 15a0da7511..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/RSAPublicKey.php +++ /dev/null @@ -1,36 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * RSAPublicKey - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class RSAPublicKey -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'modulus' => ['type' => ASN1::TYPE_INTEGER], - 'publicExponent' => ['type' => ASN1::TYPE_INTEGER] - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/ReasonFlags.php b/lib/phpaes/phpseclib/File/ASN1/Maps/ReasonFlags.php deleted file mode 100644 index 4ba69dfdc9..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/ReasonFlags.php +++ /dev/null @@ -1,43 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * ReasonFlags - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class ReasonFlags -{ - const MAP = [ - 'type' => ASN1::TYPE_BIT_STRING, - 'mapping' => [ - 'unused', - 'keyCompromise', - 'cACompromise', - 'affiliationChanged', - 'superseded', - 'cessationOfOperation', - 'certificateHold', - 'privilegeWithdrawn', - 'aACompromise' - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/RelativeDistinguishedName.php b/lib/phpaes/phpseclib/File/ASN1/Maps/RelativeDistinguishedName.php deleted file mode 100644 index f903458699..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/RelativeDistinguishedName.php +++ /dev/null @@ -1,41 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * RelativeDistinguishedName - * - * In practice, RDNs containing multiple name-value pairs (called "multivalued RDNs") are rare, - * but they can be useful at times when either there is no unique attribute in the entry or you - * want to ensure that the entry's DN contains some useful identifying information. - * - * - https://www.opends.org/wiki/page/DefinitionRelativeDistinguishedName - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class RelativeDistinguishedName -{ - const MAP = [ - 'type' => ASN1::TYPE_SET, - 'min' => 1, - 'max' => -1, - 'children' => AttributeTypeAndValue::MAP - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/RevokedCertificate.php b/lib/phpaes/phpseclib/File/ASN1/Maps/RevokedCertificate.php deleted file mode 100644 index f5b9c02b60..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/RevokedCertificate.php +++ /dev/null @@ -1,39 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * RevokedCertificate - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class RevokedCertificate -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'userCertificate' => CertificateSerialNumber::MAP, - 'revocationDate' => Time::MAP, - 'crlEntryExtensions' => [ - 'optional' => true - ] + Extensions::MAP - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/SignedPublicKeyAndChallenge.php b/lib/phpaes/phpseclib/File/ASN1/Maps/SignedPublicKeyAndChallenge.php deleted file mode 100644 index b7e3efbdcd..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/SignedPublicKeyAndChallenge.php +++ /dev/null @@ -1,37 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * SignedPublicKeyAndChallenge - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class SignedPublicKeyAndChallenge -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'publicKeyAndChallenge' => PublicKeyAndChallenge::MAP, - 'signatureAlgorithm' => AlgorithmIdentifier::MAP, - 'signature' => ['type' => ASN1::TYPE_BIT_STRING] - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/SubjectAltName.php b/lib/phpaes/phpseclib/File/ASN1/Maps/SubjectAltName.php deleted file mode 100644 index 65ecbf7a7a..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/SubjectAltName.php +++ /dev/null @@ -1,30 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * SubjectAltName - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class SubjectAltName -{ - const MAP = GeneralNames::MAP; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/SubjectDirectoryAttributes.php b/lib/phpaes/phpseclib/File/ASN1/Maps/SubjectDirectoryAttributes.php deleted file mode 100644 index bba456a669..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/SubjectDirectoryAttributes.php +++ /dev/null @@ -1,35 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * SubjectDirectoryAttributes - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class SubjectDirectoryAttributes -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'min' => 1, - 'max' => -1, - 'children' => Attribute::MAP - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/SubjectPublicKeyInfo.php b/lib/phpaes/phpseclib/File/ASN1/Maps/SubjectPublicKeyInfo.php deleted file mode 100644 index 2ccd9076cd..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/SubjectPublicKeyInfo.php +++ /dev/null @@ -1,36 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * SubjectPublicKeyInfo - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class SubjectPublicKeyInfo -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'algorithm' => AlgorithmIdentifier::MAP, - 'subjectPublicKey' => ['type' => ASN1::TYPE_BIT_STRING] - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/TBSCertList.php b/lib/phpaes/phpseclib/File/ASN1/Maps/TBSCertList.php deleted file mode 100644 index df9549a33f..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/TBSCertList.php +++ /dev/null @@ -1,58 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * TBSCertList - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class TBSCertList -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'version' => [ - 'type' => ASN1::TYPE_INTEGER, - 'mapping' => ['v1', 'v2', 'v3'], - 'optional' => true, - 'default' => 'v2' - ], - 'signature' => AlgorithmIdentifier::MAP, - 'issuer' => Name::MAP, - 'thisUpdate' => Time::MAP, - 'nextUpdate' => [ - 'optional' => true - ] + Time::MAP, - 'revokedCertificates' => [ - 'type' => ASN1::TYPE_SEQUENCE, - 'optional' => true, - 'min' => 0, - 'max' => -1, - 'children' => RevokedCertificate::MAP - ], - 'crlExtensions' => [ - 'constant' => 0, - 'optional' => true, - 'explicit' => true - ] + Extensions::MAP - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/TBSCertificate.php b/lib/phpaes/phpseclib/File/ASN1/Maps/TBSCertificate.php deleted file mode 100644 index b05674464b..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/TBSCertificate.php +++ /dev/null @@ -1,69 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * TBSCertificate - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class TBSCertificate -{ - // assert($TBSCertificate['children']['signature'] == $Certificate['children']['signatureAlgorithm']) - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - // technically, default implies optional, but we'll define it as being optional, none-the-less, just to - // reenforce that fact - 'version' => [ - 'type' => ASN1::TYPE_INTEGER, - 'constant' => 0, - 'optional' => true, - 'explicit' => true, - 'mapping' => ['v1', 'v2', 'v3'], - 'default' => 'v1' - ], - 'serialNumber' => CertificateSerialNumber::MAP, - 'signature' => AlgorithmIdentifier::MAP, - 'issuer' => Name::MAP, - 'validity' => Validity::MAP, - 'subject' => Name::MAP, - 'subjectPublicKeyInfo' => SubjectPublicKeyInfo::MAP, - // implicit means that the T in the TLV structure is to be rewritten, regardless of the type - 'issuerUniqueID' => [ - 'constant' => 1, - 'optional' => true, - 'implicit' => true - ] + UniqueIdentifier::MAP, - 'subjectUniqueID' => [ - 'constant' => 2, - 'optional' => true, - 'implicit' => true - ] + UniqueIdentifier::MAP, - // doesn't use the EXPLICIT keyword but if - // it's not IMPLICIT, it's EXPLICIT - 'extensions' => [ - 'constant' => 3, - 'optional' => true, - 'explicit' => true - ] + Extensions::MAP - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/TerminalIdentifier.php b/lib/phpaes/phpseclib/File/ASN1/Maps/TerminalIdentifier.php deleted file mode 100644 index be191dfdb0..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/TerminalIdentifier.php +++ /dev/null @@ -1,30 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * TerminalIdentifier - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class TerminalIdentifier -{ - const MAP = ['type' => ASN1::TYPE_PRINTABLE_STRING]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/Time.php b/lib/phpaes/phpseclib/File/ASN1/Maps/Time.php deleted file mode 100644 index 6b1389a39c..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/Time.php +++ /dev/null @@ -1,36 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * Time - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class Time -{ - const MAP = [ - 'type' => ASN1::TYPE_CHOICE, - 'children' => [ - 'utcTime' => ['type' => ASN1::TYPE_UTC_TIME], - 'generalTime' => ['type' => ASN1::TYPE_GENERALIZED_TIME] - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/UniqueIdentifier.php b/lib/phpaes/phpseclib/File/ASN1/Maps/UniqueIdentifier.php deleted file mode 100644 index 68e46babfe..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/UniqueIdentifier.php +++ /dev/null @@ -1,30 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * UniqueIdentifier - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class UniqueIdentifier -{ - const MAP = ['type' => ASN1::TYPE_BIT_STRING]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/UserNotice.php b/lib/phpaes/phpseclib/File/ASN1/Maps/UserNotice.php deleted file mode 100644 index 296670ef32..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/UserNotice.php +++ /dev/null @@ -1,42 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * UserNotice - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class UserNotice -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'noticeRef' => [ - 'optional' => true, - 'implicit' => true - ] + NoticeReference::MAP, - 'explicitText' => [ - 'optional' => true, - 'implicit' => true - ] + DisplayText::MAP - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/Validity.php b/lib/phpaes/phpseclib/File/ASN1/Maps/Validity.php deleted file mode 100644 index 65199bdadc..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/Validity.php +++ /dev/null @@ -1,36 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * Validity - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class Validity -{ - const MAP = [ - 'type' => ASN1::TYPE_SEQUENCE, - 'children' => [ - 'notBefore' => Time::MAP, - 'notAfter' => Time::MAP - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/netscape_ca_policy_url.php b/lib/phpaes/phpseclib/File/ASN1/Maps/netscape_ca_policy_url.php deleted file mode 100644 index 88e3a54acb..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/netscape_ca_policy_url.php +++ /dev/null @@ -1,30 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * netscape_ca_policy_url - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class netscape_ca_policy_url -{ - const MAP = ['type' => ASN1::TYPE_IA5_STRING]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/netscape_cert_type.php b/lib/phpaes/phpseclib/File/ASN1/Maps/netscape_cert_type.php deleted file mode 100644 index 833e40bcf1..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/netscape_cert_type.php +++ /dev/null @@ -1,44 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * netscape_cert_type - * - * mapping is from - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class netscape_cert_type -{ - const MAP = [ - 'type' => ASN1::TYPE_BIT_STRING, - 'mapping' => [ - 'SSLClient', - 'SSLServer', - 'Email', - 'ObjectSigning', - 'Reserved', - 'SSLCA', - 'EmailCA', - 'ObjectSigningCA' - ] - ]; -} diff --git a/lib/phpaes/phpseclib/File/ASN1/Maps/netscape_comment.php b/lib/phpaes/phpseclib/File/ASN1/Maps/netscape_comment.php deleted file mode 100644 index 266d6e7687..0000000000 --- a/lib/phpaes/phpseclib/File/ASN1/Maps/netscape_comment.php +++ /dev/null @@ -1,30 +0,0 @@ - - * @copyright 2016 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File\ASN1\Maps; - -use phpseclib\File\ASN1; - -/** - * netscape_comment - * - * @package ASN1 - * @author Jim Wigginton - * @access public - */ -abstract class netscape_comment -{ - const MAP = ['type' => ASN1::TYPE_IA5_STRING]; -} diff --git a/lib/phpaes/phpseclib/File/X509.php b/lib/phpaes/phpseclib/File/X509.php deleted file mode 100644 index 7740de7cb7..0000000000 --- a/lib/phpaes/phpseclib/File/X509.php +++ /dev/null @@ -1,3719 +0,0 @@ - - * @copyright 2012 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\File; - -use ParagonIE\ConstantTime\Base64; -use ParagonIE\ConstantTime\Hex; -use phpseclib\Crypt\Hash; -use phpseclib\Crypt\Random; -use phpseclib\Crypt\RSA; -use phpseclib\Exception\UnsupportedAlgorithmException; -use phpseclib\File\ASN1\Element; -use phpseclib\Math\BigInteger; -use phpseclib\File\ASN1\Maps; - -/** - * Pure-PHP X.509 Parser - * - * @package X509 - * @author Jim Wigginton - * @access public - */ -class X509 -{ - /** - * Flag to only accept signatures signed by certificate authorities - * - * Not really used anymore but retained all the same to suppress E_NOTICEs from old installs - * - * @access public - */ - const VALIDATE_SIGNATURE_BY_CA = 1; - - /**#@+ - * @access public - * @see \phpseclib\File\X509::getDN() - */ - /** - * Return internal array representation - */ - const DN_ARRAY = 0; - /** - * Return string - */ - const DN_STRING = 1; - /** - * Return ASN.1 name string - */ - const DN_ASN1 = 2; - /** - * Return OpenSSL compatible array - */ - const DN_OPENSSL = 3; - /** - * Return canonical ASN.1 RDNs string - */ - const DN_CANON = 4; - /** - * Return name hash for file indexing - */ - const DN_HASH = 5; - /**#@-*/ - - /**#@+ - * @access public - * @see \phpseclib\File\X509::saveX509() - * @see \phpseclib\File\X509::saveCSR() - * @see \phpseclib\File\X509::saveCRL() - */ - /** - * Save as PEM - * - * ie. a base64-encoded PEM with a header and a footer - */ - const FORMAT_PEM = 0; - /** - * Save as DER - */ - const FORMAT_DER = 1; - /** - * Save as a SPKAC - * - * Only works on CSRs. Not currently supported. - */ - const FORMAT_SPKAC = 2; - /** - * Auto-detect the format - * - * Used only by the load*() functions - */ - const FORMAT_AUTO_DETECT = 3; - /**#@-*/ - - /** - * Attribute value disposition. - * If disposition is >= 0, this is the index of the target value. - */ - const ATTR_ALL = -1; // All attribute values (array). - const ATTR_APPEND = -2; // Add a value. - const ATTR_REPLACE = -3; // Clear first, then add a value. - - /** - * Distinguished Name - * - * @var array - * @access private - */ - private $dn; - - /** - * Public key - * - * @var string - * @access private - */ - private $publicKey; - - /** - * Private key - * - * @var string - * @access private - */ - private $privateKey; - - /** - * Object identifiers for X.509 certificates - * - * @var array - * @access private - * @link http://en.wikipedia.org/wiki/Object_identifier - */ - private $oids; - - /** - * The certificate authorities - * - * @var array - * @access private - */ - private $CAs; - - /** - * The currently loaded certificate - * - * @var array - * @access private - */ - private $currentCert; - - /** - * The signature subject - * - * There's no guarantee \phpseclib\File\X509 is going to re-encode an X.509 cert in the same way it was originally - * encoded so we take save the portion of the original cert that the signature would have made for. - * - * @var string - * @access private - */ - private $signatureSubject; - - /** - * Certificate Start Date - * - * @var string - * @access private - */ - private $startDate; - - /** - * Certificate End Date - * - * @var string - * @access private - */ - private $endDate; - - /** - * Serial Number - * - * @var string - * @access private - */ - private $serialNumber; - - /** - * Key Identifier - * - * See {@link http://tools.ietf.org/html/rfc5280#section-4.2.1.1 RFC5280#section-4.2.1.1} and - * {@link http://tools.ietf.org/html/rfc5280#section-4.2.1.2 RFC5280#section-4.2.1.2}. - * - * @var string - * @access private - */ - private $currentKeyIdentifier; - - /** - * CA Flag - * - * @var bool - * @access private - */ - private $caFlag = false; - - /** - * SPKAC Challenge - * - * @var string - * @access private - */ - private $challenge; - - /** - * OIDs loaded - * - * @var bool - * @access private - */ - private static $oidsLoaded = false; - - /** - * Default Constructor. - * - * @return \phpseclib\File\X509 - * @access public - */ - public function __construct() - { - // Explicitly Tagged Module, 1988 Syntax - // http://tools.ietf.org/html/rfc5280#appendix-A.1 - - if (!self::$oidsLoaded) { - // OIDs from RFC5280 and those RFCs mentioned in RFC5280#section-4.1.1.2 - ASN1::loadOIDs([ - '1.3.6.1.5.5.7' => 'id-pkix', - '1.3.6.1.5.5.7.1' => 'id-pe', - '1.3.6.1.5.5.7.2' => 'id-qt', - '1.3.6.1.5.5.7.3' => 'id-kp', - '1.3.6.1.5.5.7.48' => 'id-ad', - '1.3.6.1.5.5.7.2.1' => 'id-qt-cps', - '1.3.6.1.5.5.7.2.2' => 'id-qt-unotice', - '1.3.6.1.5.5.7.48.1' =>'id-ad-ocsp', - '1.3.6.1.5.5.7.48.2' => 'id-ad-caIssuers', - '1.3.6.1.5.5.7.48.3' => 'id-ad-timeStamping', - '1.3.6.1.5.5.7.48.5' => 'id-ad-caRepository', - '2.5.4' => 'id-at', - '2.5.4.41' => 'id-at-name', - '2.5.4.4' => 'id-at-surname', - '2.5.4.42' => 'id-at-givenName', - '2.5.4.43' => 'id-at-initials', - '2.5.4.44' => 'id-at-generationQualifier', - '2.5.4.3' => 'id-at-commonName', - '2.5.4.7' => 'id-at-localityName', - '2.5.4.8' => 'id-at-stateOrProvinceName', - '2.5.4.10' => 'id-at-organizationName', - '2.5.4.11' => 'id-at-organizationalUnitName', - '2.5.4.12' => 'id-at-title', - '2.5.4.13' => 'id-at-description', - '2.5.4.46' => 'id-at-dnQualifier', - '2.5.4.6' => 'id-at-countryName', - '2.5.4.5' => 'id-at-serialNumber', - '2.5.4.65' => 'id-at-pseudonym', - '2.5.4.17' => 'id-at-postalCode', - '2.5.4.9' => 'id-at-streetAddress', - '2.5.4.45' => 'id-at-uniqueIdentifier', - '2.5.4.72' => 'id-at-role', - '2.5.4.16' => 'id-at-postalAddress', - - '0.9.2342.19200300.100.1.25' => 'id-domainComponent', - '1.2.840.113549.1.9' => 'pkcs-9', - '1.2.840.113549.1.9.1' => 'pkcs-9-at-emailAddress', - '2.5.29' => 'id-ce', - '2.5.29.35' => 'id-ce-authorityKeyIdentifier', - '2.5.29.14' => 'id-ce-subjectKeyIdentifier', - '2.5.29.15' => 'id-ce-keyUsage', - '2.5.29.16' => 'id-ce-privateKeyUsagePeriod', - '2.5.29.32' => 'id-ce-certificatePolicies', - '2.5.29.32.0' => 'anyPolicy', - - '2.5.29.33' => 'id-ce-policyMappings', - '2.5.29.17' => 'id-ce-subjectAltName', - '2.5.29.18' => 'id-ce-issuerAltName', - '2.5.29.9' => 'id-ce-subjectDirectoryAttributes', - '2.5.29.19' => 'id-ce-basicConstraints', - '2.5.29.30' => 'id-ce-nameConstraints', - '2.5.29.36' => 'id-ce-policyConstraints', - '2.5.29.31' => 'id-ce-cRLDistributionPoints', - '2.5.29.37' => 'id-ce-extKeyUsage', - '2.5.29.37.0' => 'anyExtendedKeyUsage', - '1.3.6.1.5.5.7.3.1' => 'id-kp-serverAuth', - '1.3.6.1.5.5.7.3.2' => 'id-kp-clientAuth', - '1.3.6.1.5.5.7.3.3' => 'id-kp-codeSigning', - '1.3.6.1.5.5.7.3.4' => 'id-kp-emailProtection', - '1.3.6.1.5.5.7.3.8' => 'id-kp-timeStamping', - '1.3.6.1.5.5.7.3.9' => 'id-kp-OCSPSigning', - '2.5.29.54' => 'id-ce-inhibitAnyPolicy', - '2.5.29.46' => 'id-ce-freshestCRL', - '1.3.6.1.5.5.7.1.1' => 'id-pe-authorityInfoAccess', - '1.3.6.1.5.5.7.1.11' => 'id-pe-subjectInfoAccess', - '2.5.29.20' => 'id-ce-cRLNumber', - '2.5.29.28' => 'id-ce-issuingDistributionPoint', - '2.5.29.27' => 'id-ce-deltaCRLIndicator', - '2.5.29.21' => 'id-ce-cRLReasons', - '2.5.29.29' => 'id-ce-certificateIssuer', - '2.5.29.23' => 'id-ce-holdInstructionCode', - '1.2.840.10040.2' => 'holdInstruction', - '1.2.840.10040.2.1' => 'id-holdinstruction-none', - '1.2.840.10040.2.2' => 'id-holdinstruction-callissuer', - '1.2.840.10040.2.3' => 'id-holdinstruction-reject', - '2.5.29.24' => 'id-ce-invalidityDate', - - '1.2.840.113549.2.2' => 'md2', - '1.2.840.113549.2.5' => 'md5', - '1.3.14.3.2.26' => 'id-sha1', - '1.2.840.10040.4.1' => 'id-dsa', - '1.2.840.10040.4.3' => 'id-dsa-with-sha1', - '1.2.840.113549.1.1' => 'pkcs-1', - '1.2.840.113549.1.1.1' => 'rsaEncryption', - '1.2.840.113549.1.1.2' => 'md2WithRSAEncryption', - '1.2.840.113549.1.1.4' => 'md5WithRSAEncryption', - '1.2.840.113549.1.1.5' => 'sha1WithRSAEncryption', - '1.2.840.10046.2.1' => 'dhpublicnumber', - '2.16.840.1.101.2.1.1.22' => 'id-keyExchangeAlgorithm', - '1.2.840.10045' => 'ansi-X9-62', - '1.2.840.10045.4' => 'id-ecSigType', - '1.2.840.10045.4.1' => 'ecdsa-with-SHA1', - '1.2.840.10045.1' => 'id-fieldType', - '1.2.840.10045.1.1' => 'prime-field', - '1.2.840.10045.1.2' => 'characteristic-two-field', - '1.2.840.10045.1.2.3' => 'id-characteristic-two-basis', - '1.2.840.10045.1.2.3.1' => 'gnBasis', - '1.2.840.10045.1.2.3.2' => 'tpBasis', - '1.2.840.10045.1.2.3.3' => 'ppBasis', - '1.2.840.10045.2' => 'id-publicKeyType', - '1.2.840.10045.2.1' => 'id-ecPublicKey', - '1.2.840.10045.3' => 'ellipticCurve', - '1.2.840.10045.3.0' => 'c-TwoCurve', - '1.2.840.10045.3.0.1' => 'c2pnb163v1', - '1.2.840.10045.3.0.2' => 'c2pnb163v2', - '1.2.840.10045.3.0.3' => 'c2pnb163v3', - '1.2.840.10045.3.0.4' => 'c2pnb176w1', - '1.2.840.10045.3.0.5' => 'c2pnb191v1', - '1.2.840.10045.3.0.6' => 'c2pnb191v2', - '1.2.840.10045.3.0.7' => 'c2pnb191v3', - '1.2.840.10045.3.0.8' => 'c2pnb191v4', - '1.2.840.10045.3.0.9' => 'c2pnb191v5', - '1.2.840.10045.3.0.10' => 'c2pnb208w1', - '1.2.840.10045.3.0.11' => 'c2pnb239v1', - '1.2.840.10045.3.0.12' => 'c2pnb239v2', - '1.2.840.10045.3.0.13' => 'c2pnb239v3', - '1.2.840.10045.3.0.14' => 'c2pnb239v4', - '1.2.840.10045.3.0.15' => 'c2pnb239v5', - '1.2.840.10045.3.0.16' => 'c2pnb272w1', - '1.2.840.10045.3.0.17' => 'c2pnb304w1', - '1.2.840.10045.3.0.18' => 'c2pnb359v1', - '1.2.840.10045.3.0.19' => 'c2pnb368w1', - '1.2.840.10045.3.0.20' => 'c2pnb431r1', - '1.2.840.10045.3.1' => 'primeCurve', - '1.2.840.10045.3.1.1' => 'prime192v1', - '1.2.840.10045.3.1.2' => 'prime192v2', - '1.2.840.10045.3.1.3' => 'prime192v3', - '1.2.840.10045.3.1.4' => 'prime239v1', - '1.2.840.10045.3.1.5' => 'prime239v2', - '1.2.840.10045.3.1.6' => 'prime239v3', - '1.2.840.10045.3.1.7' => 'prime256v1', - '1.2.840.113549.1.1.7' => 'id-RSAES-OAEP', - '1.2.840.113549.1.1.9' => 'id-pSpecified', - '1.2.840.113549.1.1.10' => 'id-RSASSA-PSS', - '1.2.840.113549.1.1.8' => 'id-mgf1', - '1.2.840.113549.1.1.14' => 'sha224WithRSAEncryption', - '1.2.840.113549.1.1.11' => 'sha256WithRSAEncryption', - '1.2.840.113549.1.1.12' => 'sha384WithRSAEncryption', - '1.2.840.113549.1.1.13' => 'sha512WithRSAEncryption', - '2.16.840.1.101.3.4.2.4' => 'id-sha224', - '2.16.840.1.101.3.4.2.1' => 'id-sha256', - '2.16.840.1.101.3.4.2.2' => 'id-sha384', - '2.16.840.1.101.3.4.2.3' => 'id-sha512', - '1.2.643.2.2.4' => 'id-GostR3411-94-with-GostR3410-94', - '1.2.643.2.2.3' => 'id-GostR3411-94-with-GostR3410-2001', - '1.2.643.2.2.20' => 'id-GostR3410-2001', - '1.2.643.2.2.19' => 'id-GostR3410-94', - // Netscape Object Identifiers from "Netscape Certificate Extensions" - '2.16.840.1.113730' => 'netscape', - '2.16.840.1.113730.1' => 'netscape-cert-extension', - '2.16.840.1.113730.1.1' => 'netscape-cert-type', - '2.16.840.1.113730.1.13' => 'netscape-comment', - '2.16.840.1.113730.1.8' => 'netscape-ca-policy-url', - // the following are X.509 extensions not supported by phpseclib - '1.3.6.1.5.5.7.1.12' => 'id-pe-logotype', - '1.2.840.113533.7.65.0' => 'entrustVersInfo', - '2.16.840.1.113733.1.6.9' => 'verisignPrivate', - // for Certificate Signing Requests - // see http://tools.ietf.org/html/rfc2985 - '1.2.840.113549.1.9.2' => 'pkcs-9-at-unstructuredName', // PKCS #9 unstructured name - '1.2.840.113549.1.9.7' => 'pkcs-9-at-challengePassword', // Challenge password for certificate revocations - '1.2.840.113549.1.9.14' => 'pkcs-9-at-extensionRequest' // Certificate extension request - ]); - } - } - - /** - * Load X.509 certificate - * - * Returns an associative array describing the X.509 cert or a false if the cert failed to load - * - * @param string $cert - * @param int $mode - * @access public - * @return mixed - */ - public function loadX509($cert, $mode = self::FORMAT_AUTO_DETECT) - { - if (is_array($cert) && isset($cert['tbsCertificate'])) { - unset($this->currentCert); - unset($this->currentKeyIdentifier); - $this->dn = $cert['tbsCertificate']['subject']; - if (!isset($this->dn)) { - return false; - } - $this->currentCert = $cert; - - $currentKeyIdentifier = $this->getExtension('id-ce-subjectKeyIdentifier'); - $this->currentKeyIdentifier = is_string($currentKeyIdentifier) ? $currentKeyIdentifier : null; - - unset($this->signatureSubject); - - return $cert; - } - - if ($mode != self::FORMAT_DER) { - $newcert = ASN1::extractBER($cert); - if ($mode == self::FORMAT_PEM && $cert == $newcert) { - return false; - } - $cert = $newcert; - } - - if ($cert === false) { - $this->currentCert = false; - return false; - } - - $decoded = ASN1::decodeBER($cert); - - if (!empty($decoded)) { - $x509 = ASN1::asn1map($decoded[0], Maps\Certificate::MAP); - } - if (!isset($x509) || $x509 === false) { - $this->currentCert = false; - return false; - } - - $this->signatureSubject = substr($cert, $decoded[0]['content'][0]['start'], $decoded[0]['content'][0]['length']); - - if ($this->isSubArrayValid($x509, 'tbsCertificate/extensions')) { - $this->mapInExtensions($x509, 'tbsCertificate/extensions'); - } - $this->mapInDNs($x509, 'tbsCertificate/issuer/rdnSequence'); - $this->mapInDNs($x509, 'tbsCertificate/subject/rdnSequence'); - - $key = &$x509['tbsCertificate']['subjectPublicKeyInfo']['subjectPublicKey']; - $key = $this->reformatKey($x509['tbsCertificate']['subjectPublicKeyInfo']['algorithm']['algorithm'], $key); - - $this->currentCert = $x509; - $this->dn = $x509['tbsCertificate']['subject']; - - $currentKeyIdentifier = $this->getExtension('id-ce-subjectKeyIdentifier'); - $this->currentKeyIdentifier = is_string($currentKeyIdentifier) ? $currentKeyIdentifier : null; - - return $x509; - } - - /** - * Save X.509 certificate - * - * @param array $cert - * @param int $format optional - * @access public - * @return string - */ - public function saveX509($cert, $format = self::FORMAT_PEM) - { - if (!is_array($cert) || !isset($cert['tbsCertificate'])) { - return false; - } - - switch (true) { - // "case !$a: case !$b: break; default: whatever();" is the same thing as "if ($a && $b) whatever()" - case !($algorithm = $this->subArray($cert, 'tbsCertificate/subjectPublicKeyInfo/algorithm/algorithm')): - case is_object($cert['tbsCertificate']['subjectPublicKeyInfo']['subjectPublicKey']): - break; - default: - switch ($algorithm) { - case 'rsaEncryption': - $cert['tbsCertificate']['subjectPublicKeyInfo']['subjectPublicKey'] - = Base64::encode("\0" . Base64::decode(preg_replace('#-.+-|[\r\n]#', '', $cert['tbsCertificate']['subjectPublicKeyInfo']['subjectPublicKey']))); - /* "[For RSA keys] the parameters field MUST have ASN.1 type NULL for this algorithm identifier." - -- https://tools.ietf.org/html/rfc3279#section-2.3.1 - - given that and the fact that RSA keys appear ot be the only key type for which the parameters field can be blank, - it seems like perhaps the ASN.1 description ought not say the parameters field is OPTIONAL, but whatever. - */ - $cert['tbsCertificate']['subjectPublicKeyInfo']['algorithm']['parameters'] = null; - // https://tools.ietf.org/html/rfc3279#section-2.2.1 - $cert['signatureAlgorithm']['parameters'] = null; - $cert['tbsCertificate']['signature']['parameters'] = null; - } - } - - $filters = []; - $type_utf8_string = ['type' => ASN1::TYPE_UTF8_STRING]; - $filters['tbsCertificate']['signature']['parameters'] = $type_utf8_string; - $filters['tbsCertificate']['signature']['issuer']['rdnSequence']['value'] = $type_utf8_string; - $filters['tbsCertificate']['issuer']['rdnSequence']['value'] = $type_utf8_string; - $filters['tbsCertificate']['subject']['rdnSequence']['value'] = $type_utf8_string; - $filters['tbsCertificate']['subjectPublicKeyInfo']['algorithm']['parameters'] = $type_utf8_string; - $filters['signatureAlgorithm']['parameters'] = $type_utf8_string; - $filters['authorityCertIssuer']['directoryName']['rdnSequence']['value'] = $type_utf8_string; - //$filters['policyQualifiers']['qualifier'] = $type_utf8_string; - $filters['distributionPoint']['fullName']['directoryName']['rdnSequence']['value'] = $type_utf8_string; - $filters['directoryName']['rdnSequence']['value'] = $type_utf8_string; - - /* in the case of policyQualifiers/qualifier, the type has to be \phpseclib\File\ASN1::TYPE_IA5_STRING. - \phpseclib\File\ASN1::TYPE_PRINTABLE_STRING will cause OpenSSL's X.509 parser to spit out random - characters. - */ - $filters['policyQualifiers']['qualifier'] - = ['type' => ASN1::TYPE_IA5_STRING]; - - ASN1::setFilters($filters); - - $this->mapOutExtensions($cert, 'tbsCertificate/extensions'); - $this->mapOutDNs($cert, 'tbsCertificate/issuer/rdnSequence'); - $this->mapOutDNs($cert, 'tbsCertificate/subject/rdnSequence'); - - $cert = ASN1::encodeDER($cert, Maps\Certificate::MAP); - - switch ($format) { - case self::FORMAT_DER: - return $cert; - // case self::FORMAT_PEM: - default: - return "-----BEGIN CERTIFICATE-----\r\n" . chunk_split(Base64::encode($cert), 64) . '-----END CERTIFICATE-----'; - } - } - - /** - * Map extension values from octet string to extension-specific internal - * format. - * - * @param array ref $root - * @param string $path - * @access private - */ - private function mapInExtensions(&$root, $path) - { - $extensions = &$this->subArrayUnchecked($root, $path); - - if ($extensions) { - for ($i = 0; $i < count($extensions); $i++) { - $id = $extensions[$i]['extnId']; - $value = &$extensions[$i]['extnValue']; - $decoded = ASN1::decodeBER($value); - /* [extnValue] contains the DER encoding of an ASN.1 value - corresponding to the extension type identified by extnID */ - $map = $this->getMapping($id); - if (!is_bool($map)) { - $mapped = ASN1::asn1map($decoded[0], $map, ['iPAddress' => [$this, 'decodeIP']]); - $value = $mapped === false ? $decoded[0] : $mapped; - - if ($id == 'id-ce-certificatePolicies') { - for ($j = 0; $j < count($value); $j++) { - if (!isset($value[$j]['policyQualifiers'])) { - continue; - } - for ($k = 0; $k < count($value[$j]['policyQualifiers']); $k++) { - $subid = $value[$j]['policyQualifiers'][$k]['policyQualifierId']; - $map = $this->getMapping($subid); - $subvalue = &$value[$j]['policyQualifiers'][$k]['qualifier']; - if ($map !== false) { - $decoded = ASN1::decodeBER($subvalue); - $mapped = ASN1::asn1map($decoded[0], $map); - $subvalue = $mapped === false ? $decoded[0] : $mapped; - } - } - } - } - } - } - } - } - - /** - * Map extension values from extension-specific internal format to - * octet string. - * - * @param array ref $root - * @param string $path - * @access private - */ - private function mapOutExtensions(&$root, $path) - { - $extensions = &$this->subArray($root, $path); - - if (is_array($extensions)) { - $size = count($extensions); - for ($i = 0; $i < $size; $i++) { - if ($extensions[$i] instanceof Element) { - continue; - } - - $id = $extensions[$i]['extnId']; - $value = &$extensions[$i]['extnValue']; - - switch ($id) { - case 'id-ce-certificatePolicies': - for ($j = 0; $j < count($value); $j++) { - if (!isset($value[$j]['policyQualifiers'])) { - continue; - } - for ($k = 0; $k < count($value[$j]['policyQualifiers']); $k++) { - $subid = $value[$j]['policyQualifiers'][$k]['policyQualifierId']; - $map = $this->getMapping($subid); - $subvalue = &$value[$j]['policyQualifiers'][$k]['qualifier']; - if ($map !== false) { - // by default \phpseclib\File\ASN1 will try to render qualifier as a \phpseclib\File\ASN1::TYPE_IA5_STRING since it's - // actual type is \phpseclib\File\ASN1::TYPE_ANY - $subvalue = new Element(ASN1::encodeDER($subvalue, $map)); - } - } - } - break; - case 'id-ce-authorityKeyIdentifier': // use 00 as the serial number instead of an empty string - if (isset($value['authorityCertSerialNumber'])) { - if ($value['authorityCertSerialNumber']->toBytes() == '') { - $temp = chr((ASN1::CLASS_CONTEXT_SPECIFIC << 6) | 2) . "\1\0"; - $value['authorityCertSerialNumber'] = new Element($temp); - } - } - } - - /* [extnValue] contains the DER encoding of an ASN.1 value - corresponding to the extension type identified by extnID */ - $map = $this->getMapping($id); - if (is_bool($map)) { - if (!$map) { - //user_error($id . ' is not a currently supported extension'); - unset($extensions[$i]); - } - } else { - $value = ASN1::encodeDER($value, $map, ['iPAddress' => [$this, 'encodeIP']]); - } - } - } - } - - /** - * Map attribute values from ANY type to attribute-specific internal - * format. - * - * @param array ref $root - * @param string $path - * @access private - */ - private function mapInAttributes(&$root, $path) - { - $attributes = &$this->subArray($root, $path); - - if (is_array($attributes)) { - for ($i = 0; $i < count($attributes); $i++) { - $id = $attributes[$i]['type']; - /* $value contains the DER encoding of an ASN.1 value - corresponding to the attribute type identified by type */ - $map = $this->getMapping($id); - if (is_array($attributes[$i]['value'])) { - $values = &$attributes[$i]['value']; - for ($j = 0; $j < count($values); $j++) { - $value = ASN1::encodeDER($values[$j], Maps\AttributeValue::MAP); - $decoded = ASN1::decodeBER($value); - if (!is_bool($map)) { - $mapped = ASN1::asn1map($decoded[0], $map); - if ($mapped !== false) { - $values[$j] = $mapped; - } - if ($id == 'pkcs-9-at-extensionRequest' && $this->isSubArrayValid($values, $j)) { - $this->mapInExtensions($values, $j); - } - } elseif ($map) { - $values[$j] = $value; - } - } - } - } - } - } - - /** - * Map attribute values from attribute-specific internal format to - * ANY type. - * - * @param array ref $root - * @param string $path - * @access private - */ - private function mapOutAttributes(&$root, $path) - { - $attributes = &$this->subArray($root, $path); - - if (is_array($attributes)) { - $size = count($attributes); - for ($i = 0; $i < $size; $i++) { - /* [value] contains the DER encoding of an ASN.1 value - corresponding to the attribute type identified by type */ - $id = $attributes[$i]['type']; - $map = $this->getMapping($id); - if ($map === false) { - //user_error($id . ' is not a currently supported attribute', E_USER_NOTICE); - unset($attributes[$i]); - } elseif (is_array($attributes[$i]['value'])) { - $values = &$attributes[$i]['value']; - for ($j = 0; $j < count($values); $j++) { - switch ($id) { - case 'pkcs-9-at-extensionRequest': - $this->mapOutExtensions($values, $j); - break; - } - - if (!is_bool($map)) { - $temp = ASN1::encodeDER($values[$j], $map); - $decoded = ASN1::decodeBER($temp); - $values[$j] = ASN1::asn1map($decoded[0], Maps\AttributeValue::MAP); - } - } - } - } - } - } - - /** - * Map DN values from ANY type to DN-specific internal - * format. - * - * @param array ref $root - * @param string $path - * @access private - */ - private function mapInDNs(&$root, $path) - { - $dns = &$this->subArray($root, $path); - - if (is_array($dns)) { - for ($i = 0; $i < count($dns); $i++) { - for ($j = 0; $j < count($dns[$i]); $j++) { - $type = $dns[$i][$j]['type']; - $value = &$dns[$i][$j]['value']; - if (is_object($value) && $value instanceof Element) { - $map = $this->getMapping($type); - if (!is_bool($map)) { - $decoded = ASN1::decodeBER($value); - $value = ASN1::asn1map($decoded[0], $map); - } - } - } - } - } - } - - /** - * Map DN values from DN-specific internal format to - * ANY type. - * - * @param array ref $root - * @param string $path - * @access private - */ - private function mapOutDNs(&$root, $path) - { - $dns = &$this->subArray($root, $path); - - if (is_array($dns)) { - $size = count($dns); - for ($i = 0; $i < $size; $i++) { - for ($j = 0; $j < count($dns[$i]); $j++) { - $type = $dns[$i][$j]['type']; - $value = &$dns[$i][$j]['value']; - if (is_object($value) && $value instanceof Element) { - continue; - } - - $map = $this->getMapping($type); - if (!is_bool($map)) { - $value = new Element(ASN1::encodeDER($value, $map)); - } - } - } - } - } - - /** - * Associate an extension ID to an extension mapping - * - * @param string $extnId - * @access private - * @return mixed - */ - private function getMapping($extnId) - { - if (!is_string($extnId)) { // eg. if it's a \phpseclib\File\ASN1\Element object - return true; - } - - switch ($extnId) { - case 'id-ce-keyUsage': - return Maps\KeyUsage::MAP; - case 'id-ce-basicConstraints': - return Maps\BasicConstraints::MAP; - case 'id-ce-subjectKeyIdentifier': - return Maps\KeyIdentifier::MAP; - case 'id-ce-cRLDistributionPoints': - return Maps\CRLDistributionPoints::MAP; - case 'id-ce-authorityKeyIdentifier': - return Maps\AuthorityKeyIdentifier::MAP; - case 'id-ce-certificatePolicies': - return Maps\CertificatePolicies::MAP; - case 'id-ce-extKeyUsage': - return Maps\ExtKeyUsageSyntax::MAP; - case 'id-pe-authorityInfoAccess': - return Maps\AuthorityInfoAccessSyntax::MAP; - case 'id-ce-subjectAltName': - return Maps\SubjectAltName::MAP; - case 'id-ce-subjectDirectoryAttributes': - return Maps\SubjectDirectoryAttributes::MAP; - case 'id-ce-privateKeyUsagePeriod': - return Maps\PrivateKeyUsagePeriod::MAP; - case 'id-ce-issuerAltName': - return Maps\IssuerAltName::MAP; - case 'id-ce-policyMappings': - return Maps\PolicyMappings::MAP; - case 'id-ce-nameConstraints': - return Maps\NameConstraints::MAP; - - case 'netscape-cert-type': - return Maps\netscape_cert_type::MAP; - case 'netscape-comment': - return Maps\netscape_comment::MAP; - case 'netscape-ca-policy-url': - return Maps\netscape_ca_policy_url::MAP; - - // since id-qt-cps isn't a constructed type it will have already been decoded as a string by the time it gets - // back around to asn1map() and we don't want it decoded again. - //case 'id-qt-cps': - // return Maps\CPSuri::MAP; - case 'id-qt-unotice': - return Maps\UserNotice::MAP; - - // the following OIDs are unsupported but we don't want them to give notices when calling saveX509(). - case 'id-pe-logotype': // http://www.ietf.org/rfc/rfc3709.txt - case 'entrustVersInfo': - // http://support.microsoft.com/kb/287547 - case '1.3.6.1.4.1.311.20.2': // szOID_ENROLL_CERTTYPE_EXTENSION - case '1.3.6.1.4.1.311.21.1': // szOID_CERTSRV_CA_VERSION - // "SET Secure Electronic Transaction Specification" - // http://www.maithean.com/docs/set_bk3.pdf - case '2.23.42.7.0': // id-set-hashedRootKey - // "Certificate Transparency" - // https://tools.ietf.org/html/rfc6962 - case '1.3.6.1.4.1.11129.2.4.2': - return true; - - // CSR attributes - case 'pkcs-9-at-unstructuredName': - return Maps\PKCS9String::MAP; - case 'pkcs-9-at-challengePassword': - return Maps\DirectoryString::MAP; - case 'pkcs-9-at-extensionRequest': - return Maps\Extensions::MAP; - - // CRL extensions. - case 'id-ce-cRLNumber': - return Maps\CRLNumber::MAP; - case 'id-ce-deltaCRLIndicator': - return Maps\CRLNumber::MAP; - case 'id-ce-issuingDistributionPoint': - return Maps\IssuingDistributionPoint::MAP; - case 'id-ce-freshestCRL': - return Maps\CRLDistributionPoints::MAP; - case 'id-ce-cRLReasons': - return Maps\CRLReason::MAP; - case 'id-ce-invalidityDate': - return Maps\InvalidityDate::MAP; - case 'id-ce-certificateIssuer': - return Maps\CertificateIssuer::MAP; - case 'id-ce-holdInstructionCode': - return Maps\HoldInstructionCode::MAP; - case 'id-at-postalAddress': - return Maps\PostalAddress::MAP; - } - - return false; - } - - /** - * Load an X.509 certificate as a certificate authority - * - * @param string $cert - * @access public - * @return bool - */ - public function loadCA($cert) - { - $olddn = $this->dn; - $oldcert = $this->currentCert; - $oldsigsubj = $this->signatureSubject; - $oldkeyid = $this->currentKeyIdentifier; - - $cert = $this->loadX509($cert); - if (!$cert) { - $this->dn = $olddn; - $this->currentCert = $oldcert; - $this->signatureSubject = $oldsigsubj; - $this->currentKeyIdentifier = $oldkeyid; - - return false; - } - - /* From RFC5280 "PKIX Certificate and CRL Profile": - - If the keyUsage extension is present, then the subject public key - MUST NOT be used to verify signatures on certificates or CRLs unless - the corresponding keyCertSign or cRLSign bit is set. */ - //$keyUsage = $this->getExtension('id-ce-keyUsage'); - //if ($keyUsage && !in_array('keyCertSign', $keyUsage)) { - // return false; - //} - - /* From RFC5280 "PKIX Certificate and CRL Profile": - - The cA boolean indicates whether the certified public key may be used - to verify certificate signatures. If the cA boolean is not asserted, - then the keyCertSign bit in the key usage extension MUST NOT be - asserted. If the basic constraints extension is not present in a - version 3 certificate, or the extension is present but the cA boolean - is not asserted, then the certified public key MUST NOT be used to - verify certificate signatures. */ - //$basicConstraints = $this->getExtension('id-ce-basicConstraints'); - //if (!$basicConstraints || !$basicConstraints['cA']) { - // return false; - //} - - $this->CAs[] = $cert; - - $this->dn = $olddn; - $this->currentCert = $oldcert; - $this->signatureSubject = $oldsigsubj; - - return true; - } - - /** - * Validate an X.509 certificate against a URL - * - * From RFC2818 "HTTP over TLS": - * - * Matching is performed using the matching rules specified by - * [RFC2459]. If more than one identity of a given type is present in - * the certificate (e.g., more than one dNSName name, a match in any one - * of the set is considered acceptable.) Names may contain the wildcard - * character * which is considered to match any single domain name - * component or component fragment. E.g., *.a.com matches foo.a.com but - * not bar.foo.a.com. f*.com matches foo.com but not bar.com. - * - * @param string $url - * @access public - * @return bool - */ - public function validateURL($url) - { - if (!is_array($this->currentCert) || !isset($this->currentCert['tbsCertificate'])) { - return false; - } - - $components = parse_url($url); - if (!isset($components['host'])) { - return false; - } - - if ($names = $this->getExtension('id-ce-subjectAltName')) { - foreach ($names as $key => $value) { - $value = str_replace(['.', '*'], ['\.', '[^.]*'], $value); - switch ($key) { - case 'dNSName': - /* From RFC2818 "HTTP over TLS": - - If a subjectAltName extension of type dNSName is present, that MUST - be used as the identity. Otherwise, the (most specific) Common Name - field in the Subject field of the certificate MUST be used. Although - the use of the Common Name is existing practice, it is deprecated and - Certification Authorities are encouraged to use the dNSName instead. */ - if (preg_match('#^' . $value . '$#', $components['host'])) { - return true; - } - break; - case 'iPAddress': - /* From RFC2818 "HTTP over TLS": - - In some cases, the URI is specified as an IP address rather than a - hostname. In this case, the iPAddress subjectAltName must be present - in the certificate and must exactly match the IP in the URI. */ - if (preg_match('#(?:\d{1-3}\.){4}#', $components['host'] . '.') && preg_match('#^' . $value . '$#', $components['host'])) { - return true; - } - } - } - return false; - } - - if ($value = $this->getDNProp('id-at-commonName')) { - $value = str_replace(['.', '*'], ['\.', '[^.]*'], $value[0]); - return preg_match('#^' . $value . '$#', $components['host']); - } - - return false; - } - - /** - * Validate a date - * - * If $date isn't defined it is assumed to be the current date. - * - * @param int $date optional - * @access public - */ - public function validateDate($date = null) - { - if (!is_array($this->currentCert) || !isset($this->currentCert['tbsCertificate'])) { - return false; - } - - if (!isset($date)) { - $date = time(); - } - - $notBefore = $this->currentCert['tbsCertificate']['validity']['notBefore']; - $notBefore = isset($notBefore['generalTime']) ? $notBefore['generalTime'] : $notBefore['utcTime']; - - $notAfter = $this->currentCert['tbsCertificate']['validity']['notAfter']; - $notAfter = isset($notAfter['generalTime']) ? $notAfter['generalTime'] : $notAfter['utcTime']; - - switch (true) { - case $date < @strtotime($notBefore): - case $date > @strtotime($notAfter): - return false; - } - - return true; - } - - /** - * Validate a signature - * - * Works on X.509 certs, CSR's and CRL's. - * Returns true if the signature is verified, false if it is not correct or null on error - * - * By default returns false for self-signed certs. Call validateSignature(false) to make this support - * self-signed. - * - * The behavior of this function is inspired by {@link http://php.net/openssl-verify openssl_verify}. - * - * @param bool $caonly optional - * @access public - * @return mixed - */ - public function validateSignature($caonly = true) - { - if (!is_array($this->currentCert) || !isset($this->signatureSubject)) { - return null; - } - - /* TODO: - "emailAddress attribute values are not case-sensitive (e.g., "subscriber@example.com" is the same as "SUBSCRIBER@EXAMPLE.COM")." - -- http://tools.ietf.org/html/rfc5280#section-4.1.2.6 - - implement pathLenConstraint in the id-ce-basicConstraints extension */ - - switch (true) { - case isset($this->currentCert['tbsCertificate']): - // self-signed cert - switch (true) { - case !defined('FILE_X509_IGNORE_TYPE') && $this->currentCert['tbsCertificate']['issuer'] === $this->currentCert['tbsCertificate']['subject']: - case defined('FILE_X509_IGNORE_TYPE') && $this->getIssuerDN(self::DN_STRING) === $this->getDN(self::DN_STRING): - $authorityKey = $this->getExtension('id-ce-authorityKeyIdentifier'); - $subjectKeyID = $this->getExtension('id-ce-subjectKeyIdentifier'); - switch (true) { - case !is_array($authorityKey): - case is_array($authorityKey) && isset($authorityKey['keyIdentifier']) && $authorityKey['keyIdentifier'] === $subjectKeyID: - $signingCert = $this->currentCert; // working cert - } - } - - if (!empty($this->CAs)) { - for ($i = 0; $i < count($this->CAs); $i++) { - // even if the cert is a self-signed one we still want to see if it's a CA; - // if not, we'll conditionally return an error - $ca = $this->CAs[$i]; - switch (true) { - case !defined('FILE_X509_IGNORE_TYPE') && $this->currentCert['tbsCertificate']['issuer'] === $ca['tbsCertificate']['subject']: - case defined('FILE_X509_IGNORE_TYPE') && $this->getDN(self::DN_STRING, $this->currentCert['tbsCertificate']['issuer']) === $this->getDN(self::DN_STRING, $ca['tbsCertificate']['subject']): - $authorityKey = $this->getExtension('id-ce-authorityKeyIdentifier'); - $subjectKeyID = $this->getExtension('id-ce-subjectKeyIdentifier', $ca); - switch (true) { - case !is_array($authorityKey): - case is_array($authorityKey) && isset($authorityKey['keyIdentifier']) && $authorityKey['keyIdentifier'] === $subjectKeyID: - $signingCert = $ca; // working cert - break 3; - } - } - } - if (count($this->CAs) == $i && $caonly) { - return false; - } - } elseif (!isset($signingCert) || $caonly) { - return false; - } - return $this->validateSignatureHelper( - $signingCert['tbsCertificate']['subjectPublicKeyInfo']['algorithm']['algorithm'], - $signingCert['tbsCertificate']['subjectPublicKeyInfo']['subjectPublicKey'], - $this->currentCert['signatureAlgorithm']['algorithm'], - substr($this->currentCert['signature'], 1), - $this->signatureSubject - ); - case isset($this->currentCert['certificationRequestInfo']): - return $this->validateSignatureHelper( - $this->currentCert['certificationRequestInfo']['subjectPKInfo']['algorithm']['algorithm'], - $this->currentCert['certificationRequestInfo']['subjectPKInfo']['subjectPublicKey'], - $this->currentCert['signatureAlgorithm']['algorithm'], - substr($this->currentCert['signature'], 1), - $this->signatureSubject - ); - case isset($this->currentCert['publicKeyAndChallenge']): - return $this->validateSignatureHelper( - $this->currentCert['publicKeyAndChallenge']['spki']['algorithm']['algorithm'], - $this->currentCert['publicKeyAndChallenge']['spki']['subjectPublicKey'], - $this->currentCert['signatureAlgorithm']['algorithm'], - substr($this->currentCert['signature'], 1), - $this->signatureSubject - ); - case isset($this->currentCert['tbsCertList']): - if (!empty($this->CAs)) { - for ($i = 0; $i < count($this->CAs); $i++) { - $ca = $this->CAs[$i]; - switch (true) { - case !defined('FILE_X509_IGNORE_TYPE') && $this->currentCert['tbsCertList']['issuer'] === $ca['tbsCertificate']['subject']: - case defined('FILE_X509_IGNORE_TYPE') && $this->getDN(self::DN_STRING, $this->currentCert['tbsCertList']['issuer']) === $this->getDN(self::DN_STRING, $ca['tbsCertificate']['subject']): - $authorityKey = $this->getExtension('id-ce-authorityKeyIdentifier'); - $subjectKeyID = $this->getExtension('id-ce-subjectKeyIdentifier', $ca); - switch (true) { - case !is_array($authorityKey): - case is_array($authorityKey) && isset($authorityKey['keyIdentifier']) && $authorityKey['keyIdentifier'] === $subjectKeyID: - $signingCert = $ca; // working cert - break 3; - } - } - } - } - if (!isset($signingCert)) { - return false; - } - return $this->validateSignatureHelper( - $signingCert['tbsCertificate']['subjectPublicKeyInfo']['algorithm']['algorithm'], - $signingCert['tbsCertificate']['subjectPublicKeyInfo']['subjectPublicKey'], - $this->currentCert['signatureAlgorithm']['algorithm'], - substr($this->currentCert['signature'], 1), - $this->signatureSubject - ); - default: - return false; - } - } - - /** - * Validates a signature - * - * Returns true if the signature is verified and false if it is not correct. - * If the algorithms are unsupposed an exception is thrown. - * - * @param string $publicKeyAlgorithm - * @param string $publicKey - * @param string $signatureAlgorithm - * @param string $signature - * @param string $signatureSubject - * @access private - * @throws \phpseclib\Exception\UnsupportedAlgorithmException if the algorithm is unsupported - * @return bool - */ - private function validateSignatureHelper($publicKeyAlgorithm, $publicKey, $signatureAlgorithm, $signature, $signatureSubject) - { - switch ($publicKeyAlgorithm) { - case 'rsaEncryption': - $rsa = new RSA(); - $rsa->load($publicKey); - - switch ($signatureAlgorithm) { - case 'md2WithRSAEncryption': - case 'md5WithRSAEncryption': - case 'sha1WithRSAEncryption': - case 'sha224WithRSAEncryption': - case 'sha256WithRSAEncryption': - case 'sha384WithRSAEncryption': - case 'sha512WithRSAEncryption': - $rsa->setHash(preg_replace('#WithRSAEncryption$#', '', $signatureAlgorithm)); - if (!@$rsa->verify($signatureSubject, $signature, RSA::PADDING_PKCS1)) { - return false; - } - break; - default: - throw new UnsupportedAlgorithmException('Signature algorithm unsupported'); - } - break; - default: - throw new UnsupportedAlgorithmException('Public key algorithm unsupported'); - } - - return true; - } - - /** - * Reformat public keys - * - * Reformats a public key to a format supported by phpseclib (if applicable) - * - * @param string $algorithm - * @param string $key - * @access private - * @return string - */ - private function reformatKey($algorithm, $key) - { - switch ($algorithm) { - case 'rsaEncryption': - return - "-----BEGIN RSA PUBLIC KEY-----\r\n" . - // subjectPublicKey is stored as a bit string in X.509 certs. the first byte of a bit string represents how many bits - // in the last byte should be ignored. the following only supports non-zero stuff but as none of the X.509 certs Firefox - // uses as a cert authority actually use a non-zero bit I think it's safe to assume that none do. - chunk_split(Base64::encode(substr($key, 1)), 64) . - '-----END RSA PUBLIC KEY-----'; - default: - return $key; - } - } - - /** - * Decodes an IP address - * - * Takes in a base64 encoded "blob" and returns a human readable IP address - * - * @param string $ip - * @access private - * @return string - */ - public function decodeIP($ip) - { - return inet_ntop($ip); - } - - /** - * Encodes an IP address - * - * Takes a human readable IP address into a base64-encoded "blob" - * - * @param string $ip - * @access private - * @return string - */ - public function encodeIP($ip) - { - return inet_pton($ip); - } - - /** - * "Normalizes" a Distinguished Name property - * - * @param string $propName - * @access private - * @return mixed - */ - private function translateDNProp($propName) - { - switch (strtolower($propName)) { - case 'id-at-countryname': - case 'countryname': - case 'c': - return 'id-at-countryName'; - case 'id-at-organizationname': - case 'organizationname': - case 'o': - return 'id-at-organizationName'; - case 'id-at-dnqualifier': - case 'dnqualifier': - return 'id-at-dnQualifier'; - case 'id-at-commonname': - case 'commonname': - case 'cn': - return 'id-at-commonName'; - case 'id-at-stateorprovincename': - case 'stateorprovincename': - case 'state': - case 'province': - case 'provincename': - case 'st': - return 'id-at-stateOrProvinceName'; - case 'id-at-localityname': - case 'localityname': - case 'l': - return 'id-at-localityName'; - case 'id-emailaddress': - case 'emailaddress': - return 'pkcs-9-at-emailAddress'; - case 'id-at-serialnumber': - case 'serialnumber': - return 'id-at-serialNumber'; - case 'id-at-postalcode': - case 'postalcode': - return 'id-at-postalCode'; - case 'id-at-streetaddress': - case 'streetaddress': - return 'id-at-streetAddress'; - case 'id-at-name': - case 'name': - return 'id-at-name'; - case 'id-at-givenname': - case 'givenname': - return 'id-at-givenName'; - case 'id-at-surname': - case 'surname': - case 'sn': - return 'id-at-surname'; - case 'id-at-initials': - case 'initials': - return 'id-at-initials'; - case 'id-at-generationqualifier': - case 'generationqualifier': - return 'id-at-generationQualifier'; - case 'id-at-organizationalunitname': - case 'organizationalunitname': - case 'ou': - return 'id-at-organizationalUnitName'; - case 'id-at-pseudonym': - case 'pseudonym': - return 'id-at-pseudonym'; - case 'id-at-title': - case 'title': - return 'id-at-title'; - case 'id-at-description': - case 'description': - return 'id-at-description'; - case 'id-at-role': - case 'role': - return 'id-at-role'; - case 'id-at-uniqueidentifier': - case 'uniqueidentifier': - case 'x500uniqueidentifier': - return 'id-at-uniqueIdentifier'; - case 'postaladdress': - case 'id-at-postaladdress': - return 'id-at-postalAddress'; - default: - return false; - } - } - - /** - * Set a Distinguished Name property - * - * @param string $propName - * @param mixed $propValue - * @param string $type optional - * @access public - * @return bool - */ - public function setDNProp($propName, $propValue, $type = 'utf8String') - { - if (empty($this->dn)) { - $this->dn = ['rdnSequence' => []]; - } - - if (($propName = $this->translateDNProp($propName)) === false) { - return false; - } - - foreach ((array) $propValue as $v) { - if (!is_array($v) && isset($type)) { - $v = [$type => $v]; - } - $this->dn['rdnSequence'][] = [ - [ - 'type' => $propName, - 'value'=> $v - ] - ]; - } - - return true; - } - - /** - * Remove Distinguished Name properties - * - * @param string $propName - * @access public - */ - public function removeDNProp($propName) - { - if (empty($this->dn)) { - return; - } - - if (($propName = $this->translateDNProp($propName)) === false) { - return; - } - - $dn = &$this->dn['rdnSequence']; - $size = count($dn); - for ($i = 0; $i < $size; $i++) { - if ($dn[$i][0]['type'] == $propName) { - unset($dn[$i]); - } - } - - $dn = array_values($dn); - } - - /** - * Get Distinguished Name properties - * - * @param string $propName - * @param array $dn optional - * @param bool $withType optional - * @return mixed - * @access public - */ - public function getDNProp($propName, $dn = null, $withType = false) - { - if (!isset($dn)) { - $dn = $this->dn; - } - - if (empty($dn)) { - return false; - } - - if (($propName = $this->translateDNProp($propName)) === false) { - return false; - } - - $filters = []; - $filters['value'] = ['type' => ASN1::TYPE_UTF8_STRING]; - ASN1::setFilters($filters); - $this->mapOutDNs($dn, 'rdnSequence'); - $dn = $dn['rdnSequence']; - $result = []; - for ($i = 0; $i < count($dn); $i++) { - if ($dn[$i][0]['type'] == $propName) { - $v = $dn[$i][0]['value']; - if (!$withType) { - if (is_array($v)) { - foreach ($v as $type => $s) { - $type = array_search($type, ASN1::ANY_MAP); - if ($type !== false && array_key_exists($type, ASN1::STRING_TYPE_SIZE)) { - $s = ASN1::convert($s, $type); - if ($s !== false) { - $v = $s; - break; - } - } - } - if (is_array($v)) { - $v = array_pop($v); // Always strip data type. - } - } elseif (is_object($v) && $v instanceof Element) { - $map = $this->getMapping($propName); - if (!is_bool($map)) { - $decoded = ASN1::decodeBER($v); - $v = ASN1::asn1map($decoded[0], $map); - } - } - } - $result[] = $v; - } - } - - return $result; - } - - /** - * Set a Distinguished Name - * - * @param mixed $dn - * @param bool $merge optional - * @param string $type optional - * @access public - * @return bool - */ - public function setDN($dn, $merge = false, $type = 'utf8String') - { - if (!$merge) { - $this->dn = null; - } - - if (is_array($dn)) { - if (isset($dn['rdnSequence'])) { - $this->dn = $dn; // No merge here. - return true; - } - - // handles stuff generated by openssl_x509_parse() - foreach ($dn as $prop => $value) { - if (!$this->setDNProp($prop, $value, $type)) { - return false; - } - } - return true; - } - - // handles everything else - $results = preg_split('#((?:^|, *|/)(?:C=|O=|OU=|CN=|L=|ST=|SN=|postalCode=|streetAddress=|emailAddress=|serialNumber=|organizationalUnitName=|title=|description=|role=|x500UniqueIdentifier=|postalAddress=))#', $dn, -1, PREG_SPLIT_DELIM_CAPTURE); - for ($i = 1; $i < count($results); $i+=2) { - $prop = trim($results[$i], ', =/'); - $value = $results[$i + 1]; - if (!$this->setDNProp($prop, $value, $type)) { - return false; - } - } - - return true; - } - - /** - * Get the Distinguished Name for a certificates subject - * - * @param mixed $format optional - * @param array $dn optional - * @access public - * @return bool - */ - public function getDN($format = self::DN_ARRAY, $dn = null) - { - if (!isset($dn)) { - $dn = isset($this->currentCert['tbsCertList']) ? $this->currentCert['tbsCertList']['issuer'] : $this->dn; - } - - switch ((int) $format) { - case self::DN_ARRAY: - return $dn; - case self::DN_ASN1: - $filters = []; - $filters['rdnSequence']['value'] = ['type' => ASN1::TYPE_UTF8_STRING]; - ASN1::setFilters($filters); - $this->mapOutDNs($dn, 'rdnSequence'); - return ASN1::encodeDER($dn, Maps\Name::MAP); - case self::DN_CANON: - // No SEQUENCE around RDNs and all string values normalized as - // trimmed lowercase UTF-8 with all spacing as one blank. - // constructed RDNs will not be canonicalized - $filters = []; - $filters['value'] = ['type' => ASN1::TYPE_UTF8_STRING]; - ASN1::setFilters($filters); - $result = ''; - $this->mapOutDNs($dn, 'rdnSequence'); - foreach ($dn['rdnSequence'] as $rdn) { - foreach ($rdn as $i => $attr) { - $attr = &$rdn[$i]; - if (is_array($attr['value'])) { - foreach ($attr['value'] as $type => $v) { - $type = array_search($type, ASN1::ANY_MAP, true); - if ($type !== false && array_key_exists($type, ASN1::STRING_TYPE_SIZE)) { - $v = ASN1::convert($v, $type); - if ($v !== false) { - $v = preg_replace('/\s+/', ' ', $v); - $attr['value'] = strtolower(trim($v)); - break; - } - } - } - } - } - $result .= ASN1::encodeDER($rdn, Maps\RelativeDistinguishedName::MAP); - } - return $result; - case self::DN_HASH: - $dn = $this->getDN(self::DN_CANON, $dn); - $hash = new Hash('sha1'); - $hash = $hash->hash($dn); - extract(unpack('Vhash', $hash)); - return strtolower(Hex::encode(pack('N', $hash))); - } - - // Default is to return a string. - $start = true; - $output = ''; - - $result = []; - $filters = []; - $filters['rdnSequence']['value'] = ['type' => ASN1::TYPE_UTF8_STRING]; - ASN1::setFilters($filters); - $this->mapOutDNs($dn, 'rdnSequence'); - - foreach ($dn['rdnSequence'] as $field) { - $prop = $field[0]['type']; - $value = $field[0]['value']; - - $delim = ', '; - switch ($prop) { - case 'id-at-countryName': - $desc = 'C'; - break; - case 'id-at-stateOrProvinceName': - $desc = 'ST'; - break; - case 'id-at-organizationName': - $desc = 'O'; - break; - case 'id-at-organizationalUnitName': - $desc = 'OU'; - break; - case 'id-at-commonName': - $desc = 'CN'; - break; - case 'id-at-localityName': - $desc = 'L'; - break; - case 'id-at-surname': - $desc = 'SN'; - break; - case 'id-at-uniqueIdentifier': - $delim = '/'; - $desc = 'x500UniqueIdentifier'; - break; - case 'id-at-postalAddress': - $delim = '/'; - $desc = 'postalAddress'; - break; - default: - $delim = '/'; - $desc = preg_replace('#.+-([^-]+)$#', '$1', $prop); - } - - if (!$start) { - $output.= $delim; - } - if (is_array($value)) { - foreach ($value as $type => $v) { - $type = array_search($type, ASN1::ANY_MAP, true); - if ($type !== false && array_key_exists($type, ASN1::STRING_TYPE_SIZE)) { - $v = ASN1::convert($v, $type); - if ($v !== false) { - $value = $v; - break; - } - } - } - if (is_array($value)) { - $value = array_pop($value); // Always strip data type. - } - } elseif (is_object($value) && $value instanceof Element) { - $callback = function($x) { return '\x' . bin2hex($x[0]); }; - $value = strtoupper(preg_replace_callback('#[^\x20-\x7E]#', $callback, $value->element)); - } - $output.= $desc . '=' . $value; - $result[$desc] = isset($result[$desc]) ? - array_merge((array) $dn[$prop], [$value]) : - $value; - $start = false; - } - - return $format == self::DN_OPENSSL ? $result : $output; - } - - /** - * Get the Distinguished Name for a certificate/crl issuer - * - * @param int $format optional - * @access public - * @return mixed - */ - public function getIssuerDN($format = self::DN_ARRAY) - { - switch (true) { - case !isset($this->currentCert) || !is_array($this->currentCert): - break; - case isset($this->currentCert['tbsCertificate']): - return $this->getDN($format, $this->currentCert['tbsCertificate']['issuer']); - case isset($this->currentCert['tbsCertList']): - return $this->getDN($format, $this->currentCert['tbsCertList']['issuer']); - } - - return false; - } - - /** - * Get the Distinguished Name for a certificate/csr subject - * Alias of getDN() - * - * @param int $format optional - * @access public - * @return mixed - */ - public function getSubjectDN($format = self::DN_ARRAY) - { - switch (true) { - case !empty($this->dn): - return $this->getDN($format); - case !isset($this->currentCert) || !is_array($this->currentCert): - break; - case isset($this->currentCert['tbsCertificate']): - return $this->getDN($format, $this->currentCert['tbsCertificate']['subject']); - case isset($this->currentCert['certificationRequestInfo']): - return $this->getDN($format, $this->currentCert['certificationRequestInfo']['subject']); - } - - return false; - } - - /** - * Get an individual Distinguished Name property for a certificate/crl issuer - * - * @param string $propName - * @param bool $withType optional - * @access public - * @return mixed - */ - public function getIssuerDNProp($propName, $withType = false) - { - switch (true) { - case !isset($this->currentCert) || !is_array($this->currentCert): - break; - case isset($this->currentCert['tbsCertificate']): - return $this->getDNProp($propName, $this->currentCert['tbsCertificate']['issuer'], $withType); - case isset($this->currentCert['tbsCertList']): - return $this->getDNProp($propName, $this->currentCert['tbsCertList']['issuer'], $withType); - } - - return false; - } - - /** - * Get an individual Distinguished Name property for a certificate/csr subject - * - * @param string $propName - * @param bool $withType optional - * @access public - * @return mixed - */ - public function getSubjectDNProp($propName, $withType = false) - { - switch (true) { - case !empty($this->dn): - return $this->getDNProp($propName, null, $withType); - case !isset($this->currentCert) || !is_array($this->currentCert): - break; - case isset($this->currentCert['tbsCertificate']): - return $this->getDNProp($propName, $this->currentCert['tbsCertificate']['subject'], $withType); - case isset($this->currentCert['certificationRequestInfo']): - return $this->getDNProp($propName, $this->currentCert['certificationRequestInfo']['subject'], $withType); - } - - return false; - } - - /** - * Get the certificate chain for the current cert - * - * @access public - * @return mixed - */ - public function getChain() - { - $chain = [$this->currentCert]; - - if (!is_array($this->currentCert) || !isset($this->currentCert['tbsCertificate'])) { - return false; - } - if (empty($this->CAs)) { - return $chain; - } - while (true) { - $currentCert = $chain[count($chain) - 1]; - for ($i = 0; $i < count($this->CAs); $i++) { - $ca = $this->CAs[$i]; - if ($currentCert['tbsCertificate']['issuer'] === $ca['tbsCertificate']['subject']) { - $authorityKey = $this->getExtension('id-ce-authorityKeyIdentifier', $currentCert); - $subjectKeyID = $this->getExtension('id-ce-subjectKeyIdentifier', $ca); - switch (true) { - case !is_array($authorityKey): - case is_array($authorityKey) && isset($authorityKey['keyIdentifier']) && $authorityKey['keyIdentifier'] === $subjectKeyID: - if ($currentCert === $ca) { - break 3; - } - $chain[] = $ca; - break 2; - } - } - } - if ($i == count($this->CAs)) { - break; - } - } - foreach ($chain as $key => $value) { - $chain[$key] = new X509(); - $chain[$key]->loadX509($value); - } - return $chain; - } - - /** - * Set public key - * - * Key needs to be a \phpseclib\Crypt\RSA object - * - * @param object $key - * @access public - * @return bool - */ - public function setPublicKey($key) - { - $key->setPublicKey(); - $this->publicKey = $key; - } - - /** - * Set private key - * - * Key needs to be a \phpseclib\Crypt\RSA object - * - * @param object $key - * @access public - */ - public function setPrivateKey($key) - { - $this->privateKey = $key; - } - - /** - * Set challenge - * - * Used for SPKAC CSR's - * - * @param string $challenge - * @access public - */ - public function setChallenge($challenge) - { - $this->challenge = $challenge; - } - - /** - * Gets the public key - * - * Returns a \phpseclib\Crypt\RSA object or a false. - * - * @access public - * @return mixed - */ - public function getPublicKey() - { - if (isset($this->publicKey)) { - return $this->publicKey; - } - - if (isset($this->currentCert) && is_array($this->currentCert)) { - foreach (['tbsCertificate/subjectPublicKeyInfo', 'certificationRequestInfo/subjectPKInfo'] as $path) { - $keyinfo = $this->subArray($this->currentCert, $path); - if (!empty($keyinfo)) { - break; - } - } - } - if (empty($keyinfo)) { - return false; - } - - $key = $keyinfo['subjectPublicKey']; - - switch ($keyinfo['algorithm']['algorithm']) { - case 'rsaEncryption': - $publicKey = new RSA(); - $publicKey->load($key); - $publicKey->setPublicKey(); - break; - default: - return false; - } - - return $publicKey; - } - - /** - * Load a Certificate Signing Request - * - * @param string $csr - * @access public - * @return mixed - */ - public function loadCSR($csr, $mode = self::FORMAT_AUTO_DETECT) - { - if (is_array($csr) && isset($csr['certificationRequestInfo'])) { - unset($this->currentCert); - unset($this->currentKeyIdentifier); - unset($this->signatureSubject); - $this->dn = $csr['certificationRequestInfo']['subject']; - if (!isset($this->dn)) { - return false; - } - - $this->currentCert = $csr; - return $csr; - } - - // see http://tools.ietf.org/html/rfc2986 - - if ($mode != self::FORMAT_DER) { - $newcsr = ASN1::extractBER($csr); - if ($mode == self::FORMAT_PEM && $csr == $newcsr) { - return false; - } - $csr = $newcsr; - } - $orig = $csr; - - if ($csr === false) { - $this->currentCert = false; - return false; - } - - $decoded = ASN1::decodeBER($csr); - - if (empty($decoded)) { - $this->currentCert = false; - return false; - } - - $csr = ASN1::asn1map($decoded[0], Maps\CertificationRequest::MAP); - if (!isset($csr) || $csr === false) { - $this->currentCert = false; - return false; - } - - $this->mapInAttributes($csr, 'certificationRequestInfo/attributes'); - $this->mapInDNs($csr, 'certificationRequestInfo/subject/rdnSequence'); - - $this->dn = $csr['certificationRequestInfo']['subject']; - - $this->signatureSubject = substr($orig, $decoded[0]['content'][0]['start'], $decoded[0]['content'][0]['length']); - - $algorithm = &$csr['certificationRequestInfo']['subjectPKInfo']['algorithm']['algorithm']; - $key = &$csr['certificationRequestInfo']['subjectPKInfo']['subjectPublicKey']; - $key = $this->reformatKey($algorithm, $key); - - switch ($algorithm) { - case 'rsaEncryption': - $this->publicKey = new RSA(); - $this->publicKey->load($key); - $this->publicKey->setPublicKey(); - break; - default: - $this->publicKey = null; - } - - $this->currentKeyIdentifier = null; - $this->currentCert = $csr; - - return $csr; - } - - /** - * Save CSR request - * - * @param array $csr - * @param int $format optional - * @access public - * @return string - */ - public function saveCSR($csr, $format = self::FORMAT_PEM) - { - if (!is_array($csr) || !isset($csr['certificationRequestInfo'])) { - return false; - } - - switch (true) { - case !($algorithm = $this->subArray($csr, 'certificationRequestInfo/subjectPKInfo/algorithm/algorithm')): - case is_object($csr['certificationRequestInfo']['subjectPKInfo']['subjectPublicKey']): - break; - default: - switch ($algorithm) { - case 'rsaEncryption': - $csr['certificationRequestInfo']['subjectPKInfo']['subjectPublicKey'] - = Base64::encode("\0" . Base64::decode(preg_replace('#-.+-|[\r\n]#', '', $csr['certificationRequestInfo']['subjectPKInfo']['subjectPublicKey']))); - $csr['certificationRequestInfo']['subjectPKInfo']['algorithm']['parameters'] = null; - $csr['signatureAlgorithm']['parameters'] = null; - $csr['certificationRequestInfo']['signature']['parameters'] = null; - } - } - - $filters = []; - $filters['certificationRequestInfo']['subject']['rdnSequence']['value'] - = ['type' => ASN1::TYPE_UTF8_STRING]; - - ASN1::setFilters($filters); - - $this->mapOutDNs($csr, 'certificationRequestInfo/subject/rdnSequence'); - $this->mapOutAttributes($csr, 'certificationRequestInfo/attributes'); - $csr = ASN1::encodeDER($csr, Maps\CertificationRequest::MAP); - - switch ($format) { - case self::FORMAT_DER: - return $csr; - // case self::FORMAT_PEM: - default: - return "-----BEGIN CERTIFICATE REQUEST-----\r\n" . chunk_split(Base64::encode($csr), 64) . '-----END CERTIFICATE REQUEST-----'; - } - } - - /** - * Load a SPKAC CSR - * - * SPKAC's are produced by the HTML5 keygen element: - * - * https://developer.mozilla.org/en-US/docs/HTML/Element/keygen - * - * @param string $csr - * @access public - * @return mixed - */ - public function loadSPKAC($spkac) - { - if (is_array($spkac) && isset($spkac['publicKeyAndChallenge'])) { - unset($this->currentCert); - unset($this->currentKeyIdentifier); - unset($this->signatureSubject); - $this->currentCert = $spkac; - return $spkac; - } - - // see http://www.w3.org/html/wg/drafts/html/master/forms.html#signedpublickeyandchallenge - - // OpenSSL produces SPKAC's that are preceded by the string SPKAC= - $temp = preg_replace('#(?:SPKAC=)|[ \r\n\\\]#', '', $spkac); - $temp = preg_match('#^[a-zA-Z\d/+]*={0,2}$#', $temp) ? Base64::decode($temp) : false; - if ($temp != false) { - $spkac = $temp; - } - $orig = $spkac; - - if ($spkac === false) { - $this->currentCert = false; - return false; - } - - $decoded = ASN1::decodeBER($spkac); - - if (empty($decoded)) { - $this->currentCert = false; - return false; - } - - $spkac = ASN1::asn1map($decoded[0], Maps\SignedPublicKeyAndChallenge::MAP); - - if (!isset($spkac) || $spkac === false) { - $this->currentCert = false; - return false; - } - - $this->signatureSubject = substr($orig, $decoded[0]['content'][0]['start'], $decoded[0]['content'][0]['length']); - - $algorithm = &$spkac['publicKeyAndChallenge']['spki']['algorithm']['algorithm']; - $key = &$spkac['publicKeyAndChallenge']['spki']['subjectPublicKey']; - $key = $this->reformatKey($algorithm, $key); - - switch ($algorithm) { - case 'rsaEncryption': - $this->publicKey = new RSA(); - $this->publicKey->load($key); - $this->publicKey->setPublicKey(); - break; - default: - $this->publicKey = null; - } - - $this->currentKeyIdentifier = null; - $this->currentCert = $spkac; - - return $spkac; - } - - /** - * Save a SPKAC CSR request - * - * @param array $csr - * @param int $format optional - * @access public - * @return string - */ - public function saveSPKAC($spkac, $format = self::FORMAT_PEM) - { - if (!is_array($spkac) || !isset($spkac['publicKeyAndChallenge'])) { - return false; - } - - $algorithm = $this->subArray($spkac, 'publicKeyAndChallenge/spki/algorithm/algorithm'); - switch (true) { - case !$algorithm: - case is_object($spkac['publicKeyAndChallenge']['spki']['subjectPublicKey']): - break; - default: - switch ($algorithm) { - case 'rsaEncryption': - $spkac['publicKeyAndChallenge']['spki']['subjectPublicKey'] - = Base64::encode("\0" . Base64::decode(preg_replace('#-.+-|[\r\n]#', '', $spkac['publicKeyAndChallenge']['spki']['subjectPublicKey']))); - } - } - - $spkac = ASN1::encodeDER($spkac, Maps\SignedPublicKeyAndChallenge::MAP); - - switch ($format) { - case self::FORMAT_DER: - return $spkac; - // case self::FORMAT_PEM: - default: - // OpenSSL's implementation of SPKAC requires the SPKAC be preceded by SPKAC= and since there are pretty much - // no other SPKAC decoders phpseclib will use that same format - return 'SPKAC=' . Base64::encode($spkac); - } - } - - /** - * Load a Certificate Revocation List - * - * @param string $crl - * @access public - * @return mixed - */ - public function loadCRL($crl, $mode = self::FORMAT_AUTO_DETECT) - { - if (is_array($crl) && isset($crl['tbsCertList'])) { - $this->currentCert = $crl; - unset($this->signatureSubject); - return $crl; - } - - if ($mode != self::FORMAT_DER) { - $newcrl = ASN1::extractBER($crl); - if ($mode == self::FORMAT_PEM && $crl == $newcrl) { - return false; - } - $crl = $newcrl; - } - $orig = $crl; - - if ($crl === false) { - $this->currentCert = false; - return false; - } - - $decoded = ASN1::decodeBER($crl); - - if (empty($decoded)) { - $this->currentCert = false; - return false; - } - - $crl = ASN1::asn1map($decoded[0], Maps\CertificateList::MAP); - if (!isset($crl) || $crl === false) { - $this->currentCert = false; - return false; - } - - $this->signatureSubject = substr($orig, $decoded[0]['content'][0]['start'], $decoded[0]['content'][0]['length']); - - $this->mapInDNs($crl, 'tbsCertList/issuer/rdnSequence'); - if ($this->isSubArrayValid($crl, 'tbsCertList/crlExtensions')) { - $this->mapInExtensions($crl, 'tbsCertList/crlExtensions'); - } - if ($this->isSubArrayValid($crl, 'tbsCertList/revokedCertificates')) { - $rclist_ref = &$this->subArrayUnchecked($crl, 'tbsCertList/revokedCertificates'); - if ($rclist_ref) { - $rclist = $crl['tbsCertList']['revokedCertificates']; - foreach ($rclist as $i => $extension) { - if ($this->isSubArrayValid($rclist, "$i/crlEntryExtensions")) { - $this->mapInExtensions($rclist_ref, "$i/crlEntryExtensions"); - } - } - } - } - - $this->currentKeyIdentifier = null; - $this->currentCert = $crl; - - return $crl; - } - - /** - * Save Certificate Revocation List. - * - * @param array $crl - * @param int $format optional - * @access public - * @return string - */ - public function saveCRL($crl, $format = self::FORMAT_PEM) - { - if (!is_array($crl) || !isset($crl['tbsCertList'])) { - return false; - } - - $filters = []; - $filters['tbsCertList']['issuer']['rdnSequence']['value'] - = ['type' => ASN1::TYPE_UTF8_STRING]; - $filters['tbsCertList']['signature']['parameters'] - = ['type' => ASN1::TYPE_UTF8_STRING]; - $filters['signatureAlgorithm']['parameters'] - = ['type' => ASN1::TYPE_UTF8_STRING]; - - if (empty($crl['tbsCertList']['signature']['parameters'])) { - $filters['tbsCertList']['signature']['parameters'] - = ['type' => ASN1::TYPE_NULL]; - } - - if (empty($crl['signatureAlgorithm']['parameters'])) { - $filters['signatureAlgorithm']['parameters'] - = ['type' => ASN1::TYPE_NULL]; - } - - ASN1::setFilters($filters); - - $this->mapOutDNs($crl, 'tbsCertList/issuer/rdnSequence'); - $this->mapOutExtensions($crl, 'tbsCertList/crlExtensions'); - $rclist = &$this->subArray($crl, 'tbsCertList/revokedCertificates'); - if (is_array($rclist)) { - foreach ($rclist as $i => $extension) { - $this->mapOutExtensions($rclist, "$i/crlEntryExtensions"); - } - } - - $crl = ASN1::encodeDER($crl, Maps\CertificateList::MAP); - - switch ($format) { - case self::FORMAT_DER: - return $crl; - // case self::FORMAT_PEM: - default: - return "-----BEGIN X509 CRL-----\r\n" . chunk_split(Base64::encode($crl), 64) . '-----END X509 CRL-----'; - } - } - - /** - * Helper function to build a time field according to RFC 3280 section - * - 4.1.2.5 Validity - * - 5.1.2.4 This Update - * - 5.1.2.5 Next Update - * - 5.1.2.6 Revoked Certificates - * by choosing utcTime iff year of date given is before 2050 and generalTime else. - * - * @param string $date in format date('D, d M Y H:i:s O') - * @access private - * @return array - */ - private function timeField($date) - { - $year = @gmdate("Y", @strtotime($date)); // the same way ASN1.php parses this - if ($year < 2050) { - return ['utcTime' => $date]; - } else { - return ['generalTime' => $date]; - } - } - - /** - * Sign an X.509 certificate - * - * $issuer's private key needs to be loaded. - * $subject can be either an existing X.509 cert (if you want to resign it), - * a CSR or something with the DN and public key explicitly set. - * - * @param \phpseclib\File\X509 $issuer - * @param \phpseclib\File\X509 $subject - * @param string $signatureAlgorithm optional - * @access public - * @return mixed - */ - public function sign($issuer, $subject, $signatureAlgorithm = 'sha256WithRSAEncryption') - { - if (!is_object($issuer->privateKey) || empty($issuer->dn)) { - return false; - } - - if (isset($subject->publicKey) && !($subjectPublicKey = $subject->formatSubjectPublicKey())) { - return false; - } - - $currentCert = isset($this->currentCert) ? $this->currentCert : null; - $signatureSubject = isset($this->signatureSubject) ? $this->signatureSubject: null; - - if (isset($subject->currentCert) && is_array($subject->currentCert) && isset($subject->currentCert['tbsCertificate'])) { - $this->currentCert = $subject->currentCert; - $this->currentCert['tbsCertificate']['signature']['algorithm'] = $signatureAlgorithm; - $this->currentCert['signatureAlgorithm']['algorithm'] = $signatureAlgorithm; - - if (!empty($this->startDate)) { - $this->currentCert['tbsCertificate']['validity']['notBefore'] = $this->timeField($this->startDate); - } - if (!empty($this->endDate)) { - $this->currentCert['tbsCertificate']['validity']['notAfter'] = $this->timeField($this->endDate); - } - if (!empty($this->serialNumber)) { - $this->currentCert['tbsCertificate']['serialNumber'] = $this->serialNumber; - } - if (!empty($subject->dn)) { - $this->currentCert['tbsCertificate']['subject'] = $subject->dn; - } - if (!empty($subject->publicKey)) { - $this->currentCert['tbsCertificate']['subjectPublicKeyInfo'] = $subjectPublicKey; - } - $this->removeExtension('id-ce-authorityKeyIdentifier'); - if (isset($subject->domains)) { - $this->removeExtension('id-ce-subjectAltName'); - } - } elseif (isset($subject->currentCert) && is_array($subject->currentCert) && isset($subject->currentCert['tbsCertList'])) { - return false; - } else { - if (!isset($subject->publicKey)) { - return false; - } - - $startDate = !empty($this->startDate) ? $this->startDate : @date('D, d M Y H:i:s O'); - $endDate = !empty($this->endDate) ? $this->endDate : @date('D, d M Y H:i:s O', strtotime('+1 year')); - /* "The serial number MUST be a positive integer" - "Conforming CAs MUST NOT use serialNumber values longer than 20 octets." - -- https://tools.ietf.org/html/rfc5280#section-4.1.2.2 - - for the integer to be positive the leading bit needs to be 0 hence the - application of a bitmap - */ - $serialNumber = !empty($this->serialNumber) ? - $this->serialNumber : - new BigInteger(Random::string(20) & ("\x7F" . str_repeat("\xFF", 19)), 256); - - $this->currentCert = [ - 'tbsCertificate' => - array( - 'version' => 'v3', - 'serialNumber' => $serialNumber, // $this->setserialNumber() - 'signature' => array('algorithm' => $signatureAlgorithm), - 'issuer' => false, // this is going to be overwritten later - 'validity' => [ - 'notBefore' => $this->timeField($startDate), // $this->setStartDate() - 'notAfter' => $this->timeField($endDate) // $this->setEndDate() - ], - 'subject' => $subject->dn, - 'subjectPublicKeyInfo' => $subjectPublicKey - ), - 'signatureAlgorithm' => ['algorithm' => $signatureAlgorithm], - 'signature' => false // this is going to be overwritten later - ]; - - // Copy extensions from CSR. - $csrexts = $subject->getAttribute('pkcs-9-at-extensionRequest', 0); - - if (!empty($csrexts)) { - $this->currentCert['tbsCertificate']['extensions'] = $csrexts; - } - } - - $this->currentCert['tbsCertificate']['issuer'] = $issuer->dn; - - if (isset($issuer->currentKeyIdentifier)) { - $this->setExtension('id-ce-authorityKeyIdentifier', [ - //'authorityCertIssuer' => array( - // array( - // 'directoryName' => $issuer->dn - // ) - //), - 'keyIdentifier' => $issuer->currentKeyIdentifier - ]); - //$extensions = &$this->currentCert['tbsCertificate']['extensions']; - //if (isset($issuer->serialNumber)) { - // $extensions[count($extensions) - 1]['authorityCertSerialNumber'] = $issuer->serialNumber; - //} - //unset($extensions); - } - - if (isset($subject->currentKeyIdentifier)) { - $this->setExtension('id-ce-subjectKeyIdentifier', $subject->currentKeyIdentifier); - } - - $altName = []; - - if (isset($subject->domains) && count($subject->domains) > 1) { - $altName = array_map(['\phpseclib\File\X509', 'dnsName'], $subject->domains); - } - - if (isset($subject->ipAddresses) && count($subject->ipAddresses)) { - // should an IP address appear as the CN if no domain name is specified? idk - //$ips = count($subject->domains) ? $subject->ipAddresses : array_slice($subject->ipAddresses, 1); - $ipAddresses = []; - foreach ($subject->ipAddresses as $ipAddress) { - $encoded = $subject->ipAddress($ipAddress); - if ($encoded !== false) { - $ipAddresses[] = $encoded; - } - } - if (count($ipAddresses)) { - $altName = array_merge($altName, $ipAddresses); - } - } - - if (!empty($altName)) { - $this->setExtension('id-ce-subjectAltName', $altName); - } - - if ($this->caFlag) { - $keyUsage = $this->getExtension('id-ce-keyUsage'); - if (!$keyUsage) { - $keyUsage = []; - } - - $this->setExtension( - 'id-ce-keyUsage', - array_values(array_unique(array_merge($keyUsage, ['cRLSign', 'keyCertSign']))) - ); - - $basicConstraints = $this->getExtension('id-ce-basicConstraints'); - if (!$basicConstraints) { - $basicConstraints = []; - } - - $this->setExtension( - 'id-ce-basicConstraints', - array_unique(array_merge(['cA' => true], $basicConstraints)), - true - ); - - if (!isset($subject->currentKeyIdentifier)) { - $this->setExtension('id-ce-subjectKeyIdentifier', $this->computeKeyIdentifier($this->currentCert), false, false); - } - } - - // resync $this->signatureSubject - // save $tbsCertificate in case there are any \phpseclib\File\ASN1\Element objects in it - $tbsCertificate = $this->currentCert['tbsCertificate']; - $this->loadX509($this->saveX509($this->currentCert)); - - $result = $this->signHelper($issuer->privateKey, $signatureAlgorithm); - $result['tbsCertificate'] = $tbsCertificate; - - $this->currentCert = $currentCert; - $this->signatureSubject = $signatureSubject; - - return $result; - } - - /** - * Sign a CSR - * - * @access public - * @return mixed - */ - public function signCSR($signatureAlgorithm = 'sha1WithRSAEncryption') - { - if (!is_object($this->privateKey) || empty($this->dn)) { - return false; - } - - $origPublicKey = $this->publicKey; - $class = get_class($this->privateKey); - $this->publicKey = new $class(); - $this->publicKey->load($this->privateKey->getPublicKey()); - $this->publicKey->setPublicKey(); - if (!($publicKey = $this->formatSubjectPublicKey())) { - return false; - } - $this->publicKey = $origPublicKey; - - $currentCert = isset($this->currentCert) ? $this->currentCert : null; - $signatureSubject = isset($this->signatureSubject) ? $this->signatureSubject: null; - - if (isset($this->currentCert) && is_array($this->currentCert) && isset($this->currentCert['certificationRequestInfo'])) { - $this->currentCert['signatureAlgorithm']['algorithm'] = $signatureAlgorithm; - if (!empty($this->dn)) { - $this->currentCert['certificationRequestInfo']['subject'] = $this->dn; - } - $this->currentCert['certificationRequestInfo']['subjectPKInfo'] = $publicKey; - } else { - $this->currentCert = [ - 'certificationRequestInfo' => - [ - 'version' => 'v1', - 'subject' => $this->dn, - 'subjectPKInfo' => $publicKey - ], - 'signatureAlgorithm' => ['algorithm' => $signatureAlgorithm], - 'signature' => false // this is going to be overwritten later - ]; - } - - // resync $this->signatureSubject - // save $certificationRequestInfo in case there are any \phpseclib\File\ASN1\Element objects in it - $certificationRequestInfo = $this->currentCert['certificationRequestInfo']; - $this->loadCSR($this->saveCSR($this->currentCert)); - - $result = $this->signHelper($this->privateKey, $signatureAlgorithm); - $result['certificationRequestInfo'] = $certificationRequestInfo; - - $this->currentCert = $currentCert; - $this->signatureSubject = $signatureSubject; - - return $result; - } - - /** - * Sign a SPKAC - * - * @access public - * @return mixed - */ - public function signSPKAC($signatureAlgorithm = 'sha1WithRSAEncryption') - { - if (!is_object($this->privateKey)) { - return false; - } - - $origPublicKey = $this->publicKey; - $class = get_class($this->privateKey); - $this->publicKey = new $class(); - $this->publicKey->load($this->privateKey->getPublicKey()); - $this->publicKey->setPublicKey(); - $publicKey = $this->formatSubjectPublicKey(); - if (!$publicKey) { - return false; - } - $this->publicKey = $origPublicKey; - - $currentCert = isset($this->currentCert) ? $this->currentCert : null; - $signatureSubject = isset($this->signatureSubject) ? $this->signatureSubject: null; - - // re-signing a SPKAC seems silly but since everything else supports re-signing why not? - if (isset($this->currentCert) && is_array($this->currentCert) && isset($this->currentCert['publicKeyAndChallenge'])) { - $this->currentCert['signatureAlgorithm']['algorithm'] = $signatureAlgorithm; - $this->currentCert['publicKeyAndChallenge']['spki'] = $publicKey; - if (!empty($this->challenge)) { - // the bitwise AND ensures that the output is a valid IA5String - $this->currentCert['publicKeyAndChallenge']['challenge'] = $this->challenge & str_repeat("\x7F", strlen($this->challenge)); - } - } else { - $this->currentCert = [ - 'publicKeyAndChallenge' => - [ - 'spki' => $publicKey, - // quoting , - // "A challenge string that is submitted along with the public key. Defaults to an empty string if not specified." - // both Firefox and OpenSSL ("openssl spkac -key private.key") behave this way - // we could alternatively do this instead if we ignored the specs: - // Random::string(8) & str_repeat("\x7F", 8) - 'challenge' => !empty($this->challenge) ? $this->challenge : '' - ], - 'signatureAlgorithm' => ['algorithm' => $signatureAlgorithm], - 'signature' => false // this is going to be overwritten later - ]; - } - - // resync $this->signatureSubject - // save $publicKeyAndChallenge in case there are any \phpseclib\File\ASN1\Element objects in it - $publicKeyAndChallenge = $this->currentCert['publicKeyAndChallenge']; - $this->loadSPKAC($this->saveSPKAC($this->currentCert)); - - $result = $this->signHelper($this->privateKey, $signatureAlgorithm); - $result['publicKeyAndChallenge'] = $publicKeyAndChallenge; - - $this->currentCert = $currentCert; - $this->signatureSubject = $signatureSubject; - - return $result; - } - - /** - * Sign a CRL - * - * $issuer's private key needs to be loaded. - * - * @param \phpseclib\File\X509 $issuer - * @param \phpseclib\File\X509 $crl - * @param string $signatureAlgorithm optional - * @access public - * @return mixed - */ - public function signCRL($issuer, $crl, $signatureAlgorithm = 'sha1WithRSAEncryption') - { - if (!is_object($issuer->privateKey) || empty($issuer->dn)) { - return false; - } - - $currentCert = isset($this->currentCert) ? $this->currentCert : null; - $signatureSubject = isset($this->signatureSubject) ? $this->signatureSubject : null; - $thisUpdate = !empty($this->startDate) ? $this->startDate : @date('D, d M Y H:i:s O'); - - if (isset($crl->currentCert) && is_array($crl->currentCert) && isset($crl->currentCert['tbsCertList'])) { - $this->currentCert = $crl->currentCert; - $this->currentCert['tbsCertList']['signature']['algorithm'] = $signatureAlgorithm; - $this->currentCert['signatureAlgorithm']['algorithm'] = $signatureAlgorithm; - } else { - $this->currentCert = [ - 'tbsCertList' => - [ - 'version' => 'v2', - 'signature' => ['algorithm' => $signatureAlgorithm], - 'issuer' => false, // this is going to be overwritten later - 'thisUpdate' => $this->timeField($thisUpdate) // $this->setStartDate() - ], - 'signatureAlgorithm' => ['algorithm' => $signatureAlgorithm], - 'signature' => false // this is going to be overwritten later - ]; - } - - $tbsCertList = &$this->currentCert['tbsCertList']; - $tbsCertList['issuer'] = $issuer->dn; - $tbsCertList['thisUpdate'] = $this->timeField($thisUpdate); - - if (!empty($this->endDate)) { - $tbsCertList['nextUpdate'] = $this->timeField($this->endDate); // $this->setEndDate() - } else { - unset($tbsCertList['nextUpdate']); - } - - if (!empty($this->serialNumber)) { - $crlNumber = $this->serialNumber; - } else { - $crlNumber = $this->getExtension('id-ce-cRLNumber'); - // "The CRL number is a non-critical CRL extension that conveys a - // monotonically increasing sequence number for a given CRL scope and - // CRL issuer. This extension allows users to easily determine when a - // particular CRL supersedes another CRL." - // -- https://tools.ietf.org/html/rfc5280#section-5.2.3 - $crlNumber = $crlNumber !== false ? $crlNumber->add(new BigInteger(1)) : null; - } - - $this->removeExtension('id-ce-authorityKeyIdentifier'); - $this->removeExtension('id-ce-issuerAltName'); - - // Be sure version >= v2 if some extension found. - $version = isset($tbsCertList['version']) ? $tbsCertList['version'] : 0; - if (!$version) { - if (!empty($tbsCertList['crlExtensions'])) { - $version = 1; // v2. - } elseif (!empty($tbsCertList['revokedCertificates'])) { - foreach ($tbsCertList['revokedCertificates'] as $cert) { - if (!empty($cert['crlEntryExtensions'])) { - $version = 1; // v2. - } - } - } - - if ($version) { - $tbsCertList['version'] = $version; - } - } - - // Store additional extensions. - if (!empty($tbsCertList['version'])) { // At least v2. - if (!empty($crlNumber)) { - $this->setExtension('id-ce-cRLNumber', $crlNumber); - } - - if (isset($issuer->currentKeyIdentifier)) { - $this->setExtension('id-ce-authorityKeyIdentifier', [ - //'authorityCertIssuer' => array( - // ] - // 'directoryName' => $issuer->dn - // ] - //), - 'keyIdentifier' => $issuer->currentKeyIdentifier - ]); - //$extensions = &$tbsCertList['crlExtensions']; - //if (isset($issuer->serialNumber)) { - // $extensions[count($extensions) - 1]['authorityCertSerialNumber'] = $issuer->serialNumber; - //} - //unset($extensions); - } - - $issuerAltName = $this->getExtension('id-ce-subjectAltName', $issuer->currentCert); - - if ($issuerAltName !== false) { - $this->setExtension('id-ce-issuerAltName', $issuerAltName); - } - } - - if (empty($tbsCertList['revokedCertificates'])) { - unset($tbsCertList['revokedCertificates']); - } - - unset($tbsCertList); - - // resync $this->signatureSubject - // save $tbsCertList in case there are any \phpseclib\File\ASN1\Element objects in it - $tbsCertList = $this->currentCert['tbsCertList']; - $this->loadCRL($this->saveCRL($this->currentCert)); - - $result = $this->signHelper($issuer->privateKey, $signatureAlgorithm); - $result['tbsCertList'] = $tbsCertList; - - $this->currentCert = $currentCert; - $this->signatureSubject = $signatureSubject; - - return $result; - } - - /** - * X.509 certificate signing helper function. - * - * @param object $key - * @param \phpseclib\File\X509 $subject - * @param string $signatureAlgorithm - * @access public - * @throws \phpseclib\Exception\UnsupportedAlgorithmException if the algorithm is unsupported - * @return mixed - */ - private function signHelper($key, $signatureAlgorithm) - { - if ($key instanceof RSA) { - switch ($signatureAlgorithm) { - case 'md2WithRSAEncryption': - case 'md5WithRSAEncryption': - case 'sha1WithRSAEncryption': - case 'sha224WithRSAEncryption': - case 'sha256WithRSAEncryption': - case 'sha384WithRSAEncryption': - case 'sha512WithRSAEncryption': - $key->setHash(preg_replace('#WithRSAEncryption$#', '', $signatureAlgorithm)); - - $this->currentCert['signature'] = "\0" . $key->sign($this->signatureSubject, RSA::PADDING_PKCS1); - return $this->currentCert; - default: - throw new UnsupportedAlgorithmException('Signature algorithm unsupported'); - } - } - - throw new UnsupportedAlgorithmException('Unsupported public key algorithm'); - } - - /** - * Set certificate start date - * - * @param string $date - * @access public - */ - public function setStartDate($date) - { - $this->startDate = @date('D, d M Y H:i:s O', @strtotime($date)); - } - - /** - * Set certificate end date - * - * @param string $date - * @access public - */ - public function setEndDate($date) - { - /* - To indicate that a certificate has no well-defined expiration date, - the notAfter SHOULD be assigned the GeneralizedTime value of - 99991231235959Z. - - -- http://tools.ietf.org/html/rfc5280#section-4.1.2.5 - */ - if (strtolower($date) == 'lifetime') { - $temp = '99991231235959Z'; - $temp = chr(ASN1::TYPE_GENERALIZED_TIME) . Functions::encodeLength(strlen($temp)) . $temp; - $this->endDate = new Element($temp); - } else { - $this->endDate = @date('D, d M Y H:i:s O', @strtotime($date)); - } - } - - /** - * Set Serial Number - * - * @param string $serial - * @param $base optional - * @access public - */ - public function setSerialNumber($serial, $base = -256) - { - $this->serialNumber = new BigInteger($serial, $base); - } - - /** - * Turns the certificate into a certificate authority - * - * @access public - */ - public function makeCA() - { - $this->caFlag = true; - } - - /** - * Check for validity of subarray - * - * This is intended for use in conjunction with _subArrayUnchecked(), - * implementing the checks included in _subArray() but without copying - * a potentially large array by passing its reference by-value to is_array(). - * - * @param array $root - * @param string $path - * @return boolean - * @access private - */ - private function isSubArrayValid($root, $path) - { - if (!is_array($root)) { - return false; - } - - foreach (explode('/', $path) as $i) { - if (!is_array($root)) { - return false; - } - - if (!isset($root[$i])) { - return true; - } - - $root = $root[$i]; - } - - return true; - } - - /** - * Get a reference to a subarray - * - * This variant of _subArray() does no is_array() checking, - * so $root should be checked with _isSubArrayValid() first. - * - * This is here for performance reasons: - * Passing a reference (i.e. $root) by-value (i.e. to is_array()) - * creates a copy. If $root is an especially large array, this is expensive. - * - * @param array $root - * @param string $path absolute path with / as component separator - * @param bool $create optional - * @access private - * @return array|false - */ - private function &subArrayUnchecked(&$root, $path, $create = false) - { - $false = false; - - foreach (explode('/', $path) as $i) { - if (!isset($root[$i])) { - if (!$create) { - return $false; - } - - $root[$i] = []; - } - - $root = &$root[$i]; - } - - return $root; - } - - /** - * Get a reference to a subarray - * - * @param array $root - * @param string $path absolute path with / as component separator - * @param bool $create optional - * @access private - * @return array|false - */ - private function &subArray(&$root, $path, $create = false) - { - $false = false; - - if (!is_array($root)) { - return $false; - } - - foreach (explode('/', $path) as $i) { - if (!is_array($root)) { - return $false; - } - - if (!isset($root[$i])) { - if (!$create) { - return $false; - } - - $root[$i] = []; - } - - $root = &$root[$i]; - } - - return $root; - } - - /** - * Get a reference to an extension subarray - * - * @param array $root - * @param string $path optional absolute path with / as component separator - * @param bool $create optional - * @access private - * @return array|false - */ - private function &extensions(&$root, $path = null, $create = false) - { - if (!isset($root)) { - $root = $this->currentCert; - } - - switch (true) { - case !empty($path): - case !is_array($root): - break; - case isset($root['tbsCertificate']): - $path = 'tbsCertificate/extensions'; - break; - case isset($root['tbsCertList']): - $path = 'tbsCertList/crlExtensions'; - break; - case isset($root['certificationRequestInfo']): - $pth = 'certificationRequestInfo/attributes'; - $attributes = &$this->subArray($root, $pth, $create); - - if (is_array($attributes)) { - foreach ($attributes as $key => $value) { - if ($value['type'] == 'pkcs-9-at-extensionRequest') { - $path = "$pth/$key/value/0"; - break 2; - } - } - if ($create) { - $key = count($attributes); - $attributes[] = ['type' => 'pkcs-9-at-extensionRequest', 'value' => []]; - $path = "$pth/$key/value/0"; - } - } - break; - } - - $extensions = &$this->subArray($root, $path, $create); - - if (!is_array($extensions)) { - $false = false; - return $false; - } - - return $extensions; - } - - /** - * Remove an Extension - * - * @param string $id - * @param string $path optional - * @access private - * @return bool - */ - private function removeExtensionHelper($id, $path = null) - { - $extensions = &$this->extensions($this->currentCert, $path); - - if (!is_array($extensions)) { - return false; - } - - $result = false; - foreach ($extensions as $key => $value) { - if ($value['extnId'] == $id) { - unset($extensions[$key]); - $result = true; - } - } - - $extensions = array_values($extensions); - return $result; - } - - /** - * Get an Extension - * - * Returns the extension if it exists and false if not - * - * @param string $id - * @param array $cert optional - * @param string $path optional - * @access private - * @return mixed - */ - private function getExtensionHelper($id, $cert = null, $path = null) - { - $extensions = $this->extensions($cert, $path); - - if (!is_array($extensions)) { - return false; - } - - foreach ($extensions as $key => $value) { - if ($value['extnId'] == $id) { - return $value['extnValue']; - } - } - - return false; - } - - /** - * Returns a list of all extensions in use - * - * @param array $cert optional - * @param string $path optional - * @access private - * @return array - */ - private function getExtensionsHelper($cert = null, $path = null) - { - $exts = $this->extensions($cert, $path); - $extensions = []; - - if (is_array($exts)) { - foreach ($exts as $extension) { - $extensions[] = $extension['extnId']; - } - } - - return $extensions; - } - - /** - * Set an Extension - * - * @param string $id - * @param mixed $value - * @param bool $critical optional - * @param bool $replace optional - * @param string $path optional - * @access private - * @return bool - */ - private function setExtensionHelper($id, $value, $critical = false, $replace = true, $path = null) - { - $extensions = &$this->extensions($this->currentCert, $path, true); - - if (!is_array($extensions)) { - return false; - } - - $newext = ['extnId' => $id, 'critical' => $critical, 'extnValue' => $value]; - - foreach ($extensions as $key => $value) { - if ($value['extnId'] == $id) { - if (!$replace) { - return false; - } - - $extensions[$key] = $newext; - return true; - } - } - - $extensions[] = $newext; - return true; - } - - /** - * Remove a certificate, CSR or CRL Extension - * - * @param string $id - * @access public - * @return bool - */ - public function removeExtension($id) - { - return $this->removeExtensionHelper($id); - } - - /** - * Get a certificate, CSR or CRL Extension - * - * Returns the extension if it exists and false if not - * - * @param string $id - * @param array $cert optional - * @access public - * @return mixed - */ - public function getExtension($id, $cert = null) - { - return $this->getExtensionHelper($id, $cert); - } - - /** - * Returns a list of all extensions in use in certificate, CSR or CRL - * - * @param array $cert optional - * @access public - * @return array - */ - public function getExtensions($cert = null) - { - return $this->getExtensionsHelper($cert); - } - - /** - * Set a certificate, CSR or CRL Extension - * - * @param string $id - * @param mixed $value - * @param bool $critical optional - * @param bool $replace optional - * @access public - * @return bool - */ - public function setExtension($id, $value, $critical = false, $replace = true) - { - return $this->setExtensionHelper($id, $value, $critical, $replace); - } - - /** - * Remove a CSR attribute. - * - * @param string $id - * @param int $disposition optional - * @access public - * @return bool - */ - public function removeAttribute($id, $disposition = self::ATTR_ALL) - { - $attributes = &$this->subArray($this->currentCert, 'certificationRequestInfo/attributes'); - - if (!is_array($attributes)) { - return false; - } - - $result = false; - foreach ($attributes as $key => $attribute) { - if ($attribute['type'] == $id) { - $n = count($attribute['value']); - switch (true) { - case $disposition == self::ATTR_APPEND: - case $disposition == self::ATTR_REPLACE: - return false; - case $disposition >= $n: - $disposition -= $n; - break; - case $disposition == self::ATTR_ALL: - case $n == 1: - unset($attributes[$key]); - $result = true; - break; - default: - unset($attributes[$key]['value'][$disposition]); - $attributes[$key]['value'] = array_values($attributes[$key]['value']); - $result = true; - break; - } - if ($result && $disposition != self::ATTR_ALL) { - break; - } - } - } - - $attributes = array_values($attributes); - return $result; - } - - /** - * Get a CSR attribute - * - * Returns the attribute if it exists and false if not - * - * @param string $id - * @param int $disposition optional - * @param array $csr optional - * @access public - * @return mixed - */ - public function getAttribute($id, $disposition = self::ATTR_ALL, $csr = null) - { - if (empty($csr)) { - $csr = $this->currentCert; - } - - $attributes = $this->subArray($csr, 'certificationRequestInfo/attributes'); - - if (!is_array($attributes)) { - return false; - } - - foreach ($attributes as $key => $attribute) { - if ($attribute['type'] == $id) { - $n = count($attribute['value']); - switch (true) { - case $disposition == self::ATTR_APPEND: - case $disposition == self::ATTR_REPLACE: - return false; - case $disposition == self::ATTR_ALL: - return $attribute['value']; - case $disposition >= $n: - $disposition -= $n; - break; - default: - return $attribute['value'][$disposition]; - } - } - } - - return false; - } - - /** - * Returns a list of all CSR attributes in use - * - * @param array $csr optional - * @access public - * @return array - */ - public function getAttributes($csr = null) - { - if (empty($csr)) { - $csr = $this->currentCert; - } - - $attributes = $this->subArray($csr, 'certificationRequestInfo/attributes'); - $attrs = []; - - if (is_array($attributes)) { - foreach ($attributes as $attribute) { - $attrs[] = $attribute['type']; - } - } - - return $attrs; - } - - /** - * Set a CSR attribute - * - * @param string $id - * @param mixed $value - * @param bool $disposition optional - * @access public - * @return bool - */ - public function setAttribute($id, $value, $disposition = self::ATTR_ALL) - { - $attributes = &$this->subArray($this->currentCert, 'certificationRequestInfo/attributes', true); - - if (!is_array($attributes)) { - return false; - } - - switch ($disposition) { - case self::ATTR_REPLACE: - $disposition = self::ATTR_APPEND; - case self::ATTR_ALL: - $this->removeAttribute($id); - break; - } - - foreach ($attributes as $key => $attribute) { - if ($attribute['type'] == $id) { - $n = count($attribute['value']); - switch (true) { - case $disposition == self::ATTR_APPEND: - $last = $key; - break; - case $disposition >= $n: - $disposition -= $n; - break; - default: - $attributes[$key]['value'][$disposition] = $value; - return true; - } - } - } - - switch (true) { - case $disposition >= 0: - return false; - case isset($last): - $attributes[$last]['value'][] = $value; - break; - default: - $attributes[] = ['type' => $id, 'value' => $disposition == self::ATTR_ALL ? $value: [$value]]; - break; - } - - return true; - } - - /** - * Sets the subject key identifier - * - * This is used by the id-ce-authorityKeyIdentifier and the id-ce-subjectKeyIdentifier extensions. - * - * @param string $value - * @access public - */ - public function setKeyIdentifier($value) - { - if (empty($value)) { - unset($this->currentKeyIdentifier); - } else { - $this->currentKeyIdentifier = $value; - } - } - - /** - * Compute a public key identifier. - * - * Although key identifiers may be set to any unique value, this function - * computes key identifiers from public key according to the two - * recommended methods (4.2.1.2 RFC 3280). - * Highly polymorphic: try to accept all possible forms of key: - * - Key object - * - \phpseclib\File\X509 object with public or private key defined - * - Certificate or CSR array - * - \phpseclib\File\ASN1\Element object - * - PEM or DER string - * - * @param mixed $key optional - * @param int $method optional - * @access public - * @return string binary key identifier - */ - public function computeKeyIdentifier($key = null, $method = 1) - { - if (is_null($key)) { - $key = $this; - } - - switch (true) { - case is_string($key): - break; - case is_array($key) && isset($key['tbsCertificate']['subjectPublicKeyInfo']['subjectPublicKey']): - return $this->computeKeyIdentifier($key['tbsCertificate']['subjectPublicKeyInfo']['subjectPublicKey'], $method); - case is_array($key) && isset($key['certificationRequestInfo']['subjectPKInfo']['subjectPublicKey']): - return $this->computeKeyIdentifier($key['certificationRequestInfo']['subjectPKInfo']['subjectPublicKey'], $method); - case !is_object($key): - return false; - case $key instanceof Element: - // Assume the element is a bitstring-packed key. - $decoded = ASN1::decodeBER($key->element); - if (empty($decoded)) { - return false; - } - $raw = ASN1::asn1map($decoded[0], ['type' => ASN1::TYPE_BIT_STRING]); - if (empty($raw)) { - return false; - } - // If the key is private, compute identifier from its corresponding public key. - $key = new RSA(); - if (!$key->load($raw)) { - return false; // Not an unencrypted RSA key. - } - if ($key->getPrivateKey() !== false) { // If private. - return $this->computeKeyIdentifier($key, $method); - } - $key = $raw; // Is a public key. - break; - case $key instanceof X509: - if (isset($key->publicKey)) { - return $this->computeKeyIdentifier($key->publicKey, $method); - } - if (isset($key->privateKey)) { - return $this->computeKeyIdentifier($key->privateKey, $method); - } - if (isset($key->currentCert['tbsCertificate']) || isset($key->currentCert['certificationRequestInfo'])) { - return $this->computeKeyIdentifier($key->currentCert, $method); - } - return false; - default: // Should be a key object (i.e.: \phpseclib\Crypt\RSA). - $key = $key->getPublicKey('PKCS1'); - break; - } - - // If in PEM format, convert to binary. - $key = ASN1::extractBER($key); - - // Now we have the key string: compute its sha-1 sum. - $hash = new Hash('sha1'); - $hash = $hash->hash($key); - - if ($method == 2) { - $hash = substr($hash, -8); - $hash[0] = chr((ord($hash[0]) & 0x0F) | 0x40); - } - - return $hash; - } - - /** - * Format a public key as appropriate - * - * @access private - * @return array - */ - private function formatSubjectPublicKey() - { - if ($this->publicKey instanceof RSA) { - // the following two return statements do the same thing. i dunno.. i just prefer the later for some reason. - // the former is a good example of how to do fuzzing on the public key - //return new Element(preg_replace('#-.+-|[\r\n]#', '', $this->publicKey->getPublicKey())); - return [ - 'algorithm' => array('algorithm' => 'rsaEncryption'), - 'subjectPublicKey' => $this->publicKey->getPublicKey('PKCS1') - ]; - } - - return false; - } - - /** - * Set the domain name's which the cert is to be valid for - * - * @access public - * @return array - */ - public function setDomain() - { - $this->domains = func_get_args(); - $this->removeDNProp('id-at-commonName'); - $this->setDNProp('id-at-commonName', $this->domains[0]); - } - - /** - * Set the IP Addresses's which the cert is to be valid for - * - * @access public - * @param string $ipAddress optional - */ - public function setIPAddress() - { - $this->ipAddresses = func_get_args(); - /* - if (!isset($this->domains)) { - $this->removeDNProp('id-at-commonName'); - $this->setDNProp('id-at-commonName', $this->ipAddresses[0]); - } - */ - } - - /** - * Helper function to build domain array - * - * @access private - * @param string $domain - * @return array - */ - private function dnsName($domain) - { - return ['dNSName' => $domain]; - } - - /** - * Helper function to build IP Address array - * - * (IPv6 is not currently supported) - * - * @access private - * @param string $address - * @return array - */ - private function iPAddress($address) - { - return ['iPAddress' => $address]; - } - - /** - * Get the index of a revoked certificate. - * - * @param array $rclist - * @param string $serial - * @param bool $create optional - * @access private - * @return int|false - */ - private function revokedCertificate(&$rclist, $serial, $create = false) - { - $serial = new BigInteger($serial); - - foreach ($rclist as $i => $rc) { - if (!($serial->compare($rc['userCertificate']))) { - return $i; - } - } - - if (!$create) { - return false; - } - - $i = count($rclist); - $rclist[] = ['userCertificate' => $serial, - 'revocationDate' => $this->timeField(@date('D, d M Y H:i:s O'))]; - return $i; - } - - /** - * Revoke a certificate. - * - * @param string $serial - * @param string $date optional - * @access public - * @return bool - */ - public function revoke($serial, $date = null) - { - if (isset($this->currentCert['tbsCertList'])) { - if (is_array($rclist = &$this->subArray($this->currentCert, 'tbsCertList/revokedCertificates', true))) { - if ($this->revokedCertificate($rclist, $serial) === false) { // If not yet revoked - if (($i = $this->revokedCertificate($rclist, $serial, true)) !== false) { - if (!empty($date)) { - $rclist[$i]['revocationDate'] = $this->timeField($date); - } - - return true; - } - } - } - } - - return false; - } - - /** - * Unrevoke a certificate. - * - * @param string $serial - * @access public - * @return bool - */ - public function unrevoke($serial) - { - if (is_array($rclist = &$this->subArray($this->currentCert, 'tbsCertList/revokedCertificates'))) { - if (($i = $this->revokedCertificate($rclist, $serial)) !== false) { - unset($rclist[$i]); - $rclist = array_values($rclist); - return true; - } - } - - return false; - } - - /** - * Get a revoked certificate. - * - * @param string $serial - * @access public - * @return mixed - */ - public function getRevoked($serial) - { - if (is_array($rclist = $this->subArray($this->currentCert, 'tbsCertList/revokedCertificates'))) { - if (($i = $this->revokedCertificate($rclist, $serial)) !== false) { - return $rclist[$i]; - } - } - - return false; - } - - /** - * List revoked certificates - * - * @param array $crl optional - * @access public - * @return array - */ - public function listRevoked($crl = null) - { - if (!isset($crl)) { - $crl = $this->currentCert; - } - - if (!isset($crl['tbsCertList'])) { - return false; - } - - $result = []; - - if (is_array($rclist = $this->subArray($crl, 'tbsCertList/revokedCertificates'))) { - foreach ($rclist as $rc) { - $result[] = $rc['userCertificate']->toString(); - } - } - - return $result; - } - - /** - * Remove a Revoked Certificate Extension - * - * @param string $serial - * @param string $id - * @access public - * @return bool - */ - public function removeRevokedCertificateExtension($serial, $id) - { - if (is_array($rclist = &$this->subArray($this->currentCert, 'tbsCertList/revokedCertificates'))) { - if (($i = $this->revokedCertificate($rclist, $serial)) !== false) { - return $this->removeExtensionHelper($id, "tbsCertList/revokedCertificates/$i/crlEntryExtensions"); - } - } - - return false; - } - - /** - * Get a Revoked Certificate Extension - * - * Returns the extension if it exists and false if not - * - * @param string $serial - * @param string $id - * @param array $crl optional - * @access public - * @return mixed - */ - public function getRevokedCertificateExtension($serial, $id, $crl = null) - { - if (!isset($crl)) { - $crl = $this->currentCert; - } - - if (is_array($rclist = $this->subArray($crl, 'tbsCertList/revokedCertificates'))) { - if (($i = $this->revokedCertificate($rclist, $serial)) !== false) { - return $this->getExtension($id, $crl, "tbsCertList/revokedCertificates/$i/crlEntryExtensions"); - } - } - - return false; - } - - /** - * Returns a list of all extensions in use for a given revoked certificate - * - * @param string $serial - * @param array $crl optional - * @access public - * @return array - */ - public function getRevokedCertificateExtensions($serial, $crl = null) - { - if (!isset($crl)) { - $crl = $this->currentCert; - } - - if (is_array($rclist = $this->subArray($crl, 'tbsCertList/revokedCertificates'))) { - if (($i = $this->revokedCertificate($rclist, $serial)) !== false) { - return $this->getExtensionsHelper($crl, "tbsCertList/revokedCertificates/$i/crlEntryExtensions"); - } - } - - return false; - } - - /** - * Set a Revoked Certificate Extension - * - * @param string $serial - * @param string $id - * @param mixed $value - * @param bool $critical optional - * @param bool $replace optional - * @access public - * @return bool - */ - public function setRevokedCertificateExtension($serial, $id, $value, $critical = false, $replace = true) - { - if (isset($this->currentCert['tbsCertList'])) { - if (is_array($rclist = &$this->subArray($this->currentCert, 'tbsCertList/revokedCertificates', true))) { - if (($i = $this->revokedCertificate($rclist, $serial, true)) !== false) { - return $this->setExtensionHelper($id, $value, $critical, $replace, "tbsCertList/revokedCertificates/$i/crlEntryExtensions"); - } - } - } - - return false; - } -} diff --git a/lib/phpaes/phpseclib/Math/BigInteger.php b/lib/phpaes/phpseclib/Math/BigInteger.php deleted file mode 100644 index ed4c2c4031..0000000000 --- a/lib/phpaes/phpseclib/Math/BigInteger.php +++ /dev/null @@ -1,3886 +0,0 @@ -> and << cannot be used, nor can the modulo operator %, - * which only supports integers. Although this fact will slow this library down, the fact that such a high - * base is being used should more than compensate. - * - * Numbers are stored in {@link http://en.wikipedia.org/wiki/Endianness little endian} format. ie. - * (new \phpseclib\Math\BigInteger(pow(2, 26)))->value = array(0, 1) - * - * Useful resources are as follows: - * - * - {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf Handbook of Applied Cryptography (HAC)} - * - {@link http://math.libtomcrypt.com/files/tommath.pdf Multi-Precision Math (MPM)} - * - Java's BigInteger classes. See /j2se/src/share/classes/java/math in jdk-1_5_0-src-jrl.zip - * - * Here's an example of how to use this library: - * - * add($b); - * - * echo $c->toString(); // outputs 5 - * ?> - * - * - * @category Math - * @package BigInteger - * @author Jim Wigginton - * @copyright 2006 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://pear.php.net/package/Math_BigInteger - */ - -namespace phpseclib\Math; - -use ParagonIE\ConstantTime\Base64; -use ParagonIE\ConstantTime\Hex; -use phpseclib\Crypt\Random; -use phpseclib\File\ASN1; - -/** - * Pure-PHP arbitrary precision integer arithmetic library. Supports base-2, base-10, base-16, and base-256 - * numbers. - * - * @package BigInteger - * @author Jim Wigginton - * @access public - */ -class BigInteger -{ - /**#@+ - * Reduction constants - * - * @access private - * @see BigInteger::_reduce() - */ - /** - * @see BigInteger::_montgomery() - * @see BigInteger::_prepMontgomery() - */ - const MONTGOMERY = 0; - /** - * @see BigInteger::_barrett() - */ - const BARRETT = 1; - /** - * @see BigInteger::_mod2() - */ - const POWEROF2 = 2; - /** - * @see BigInteger::_remainder() - */ - const CLASSIC = 3; - /** - * @see BigInteger::__clone() - */ - const NONE = 4; - /**#@-*/ - - /**#@+ - * Array constants - * - * Rather than create a thousands and thousands of new BigInteger objects in repeated function calls to add() and - * multiply() or whatever, we'll just work directly on arrays, taking them in as parameters and returning them. - * - * @access private - */ - /** - * $result[self::VALUE] contains the value. - */ - const VALUE = 0; - /** - * $result[self::SIGN] contains the sign. - */ - const SIGN = 1; - /**#@-*/ - - /**#@+ - * @access private - * @see BigInteger::_montgomery() - * @see BigInteger::_barrett() - */ - /** - * Cache constants - * - * $cache[self::VARIABLE] tells us whether or not the cached data is still valid. - */ - const VARIABLE = 0; - /** - * $cache[self::DATA] contains the cached data. - */ - const DATA = 1; - /**#@-*/ - - /**#@+ - * Mode constants. - * - * @access private - * @see BigInteger::__construct() - */ - /** - * To use the pure-PHP implementation - */ - const MODE_INTERNAL = 1; - /** - * To use the BCMath library - * - * (if enabled; otherwise, the internal implementation will be used) - */ - const MODE_BCMATH = 2; - /** - * To use the GMP library - * - * (if present; otherwise, either the BCMath or the internal implementation will be used) - */ - const MODE_GMP = 3; - /**#@-*/ - - /** - * Karatsuba Cutoff - * - * At what point do we switch between Karatsuba multiplication and schoolbook long multiplication? - * - * @access private - */ - const KARATSUBA_CUTOFF = 25; - - /**#@+ - * Static properties used by the pure-PHP implementation. - * - * @see __construct() - */ - private static $base; - private static $baseFull; - private static $maxDigit; - private static $msb; - - /** - * $max10 in greatest $max10Len satisfying - * $max10 = 10**$max10Len <= 2**$base. - */ - private static $max10; - - /** - * $max10Len in greatest $max10Len satisfying - * $max10 = 10**$max10Len <= 2**$base. - */ - private static $max10Len; - private static $maxDigit2; - /**#@-*/ - - /** - * Holds the BigInteger's value. - * - * @var array - * @access private - */ - private $value; - - /** - * Holds the BigInteger's magnitude. - * - * @var bool - * @access private - */ - private $is_negative = false; - - /** - * Precision - * - * @see self::setPrecision() - * @access private - */ - private $precision = -1; - - /** - * Precision Bitmask - * - * @see self::setPrecision() - * @access private - */ - private $bitmask = false; - - /** - * Mode independent value used for serialization. - * - * If the bcmath or gmp extensions are installed $this->value will be a non-serializable resource, hence the need for - * a variable that'll be serializable regardless of whether or not extensions are being used. Unlike $this->value, - * however, $this->hex is only calculated when $this->__sleep() is called. - * - * @see self::__sleep() - * @see self::__wakeup() - * @var string - * @access private - */ - private $hex; - - /** - * Converts base-2, base-10, base-16, and binary strings (base-256) to BigIntegers. - * - * If the second parameter - $base - is negative, then it will be assumed that the number's are encoded using - * two's compliment. The sole exception to this is -10, which is treated the same as 10 is. - * - * Here's an example: - * - * toString(); // outputs 50 - * ?> - * - * - * @param $x base-10 number or base-$base number if $base set. - * @param int $base - * @return \phpseclib\Math\BigInteger - * @access public - */ - public function __construct($x = 0, $base = 10) - { - if (!defined('MATH_BIGINTEGER_MODE')) { - switch (true) { - case extension_loaded('gmp'): - define('MATH_BIGINTEGER_MODE', self::MODE_GMP); - break; - case extension_loaded('bcmath'): - define('MATH_BIGINTEGER_MODE', self::MODE_BCMATH); - break; - default: - define('MATH_BIGINTEGER_MODE', self::MODE_INTERNAL); - } - } - - if (extension_loaded('openssl') && !defined('MATH_BIGINTEGER_OPENSSL_DISABLE') && !defined('MATH_BIGINTEGER_OPENSSL_ENABLED')) { - define('MATH_BIGINTEGER_OPENSSL_ENABLED', true); - } - - if (!defined('PHP_INT_SIZE')) { - define('PHP_INT_SIZE', 4); - } - - if (empty(self::$base) && MATH_BIGINTEGER_MODE == self::MODE_INTERNAL) { - switch (PHP_INT_SIZE) { - case 8: // use 64-bit integers if int size is 8 bytes - self::$base = 31; - self::$baseFull = 0x80000000; - self::$maxDigit = 0x7FFFFFFF; - self::$msb = 0x40000000; - self::$max10 = 1000000000; - self::$max10Len = 9; - self::$maxDigit2 = pow(2, 62); - break; - //case 4: // use 64-bit floats if int size is 4 bytes - default: - self::$base = 26; - self::$baseFull = 0x4000000; - self::$maxDigit = 0x3FFFFFF; - self::$msb = 0x2000000; - self::$max10 = 10000000; - self::$max10Len = 7; - self::$maxDigit2 = pow(2, 52); // pow() prevents truncation - } - } - - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - switch (true) { - case is_resource($x) && get_resource_type($x) == 'GMP integer': - // PHP 5.6 switched GMP from using resources to objects - case $x instanceof \GMP: - $this->value = $x; - return; - } - $this->value = gmp_init(0); - break; - case self::MODE_BCMATH: - $this->value = '0'; - break; - default: - $this->value = array(); - } - - // '0' counts as empty() but when the base is 256 '0' is equal to ord('0') or 48 - // '0' is the only value like this per http://php.net/empty - if (empty($x) && (abs($base) != 256 || $x !== '0')) { - return; - } - - switch ($base) { - case -256: - if (ord($x[0]) & 0x80) { - $x = ~$x; - $this->is_negative = true; - } - case 256: - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - $sign = $this->is_negative ? '-' : ''; - $this->value = gmp_init($sign . '0x' . Hex::encode($x)); - break; - case self::MODE_BCMATH: - // round $len to the nearest 4 (thanks, DavidMJ!) - $len = (strlen($x) + 3) & 0xFFFFFFFC; - - $x = str_pad($x, $len, chr(0), STR_PAD_LEFT); - - for ($i = 0; $i < $len; $i+= 4) { - $this->value = bcmul($this->value, '4294967296', 0); // 4294967296 == 2**32 - $this->value = bcadd($this->value, 0x1000000 * ord($x[$i]) + ((ord($x[$i + 1]) << 16) | (ord($x[$i + 2]) << 8) | ord($x[$i + 3])), 0); - } - - if ($this->is_negative) { - $this->value = '-' . $this->value; - } - - break; - // converts a base-2**8 (big endian / msb) number to base-2**26 (little endian / lsb) - default: - while (strlen($x)) { - $this->value[] = $this->_bytes2int($this->_base256_rshift($x, self::$base)); - } - } - - if ($this->is_negative) { - if (MATH_BIGINTEGER_MODE != self::MODE_INTERNAL) { - $this->is_negative = false; - } - $temp = $this->add(new static('-1')); - $this->value = $temp->value; - } - break; - case 16: - case -16: - if ($base > 0 && $x[0] == '-') { - $this->is_negative = true; - $x = substr($x, 1); - } - - $x = preg_replace('#^(?:0x)?([A-Fa-f0-9]*).*#', '$1', $x); - - $is_negative = false; - if ($base < 0 && hexdec($x[0]) >= 8) { - $this->is_negative = $is_negative = true; - $x = Hex::encode(~Hex::decode($x)); - } - - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - $temp = $this->is_negative ? '-0x' . $x : '0x' . $x; - $this->value = gmp_init($temp); - $this->is_negative = false; - break; - case self::MODE_BCMATH: - $x = (strlen($x) & 1) ? '0' . $x : $x; - $temp = new static(Hex::decode($x), 256); - $this->value = $this->is_negative ? '-' . $temp->value : $temp->value; - $this->is_negative = false; - break; - default: - $x = (strlen($x) & 1) ? '0' . $x : $x; - $temp = new static(Hex::decode($x), 256); - $this->value = $temp->value; - } - - if ($is_negative) { - $temp = $this->add(new static('-1')); - $this->value = $temp->value; - } - break; - case 10: - case -10: - // (?value = gmp_init($x); - break; - case self::MODE_BCMATH: - // explicitly casting $x to a string is necessary, here, since doing $x[0] on -1 yields different - // results then doing it on '-1' does (modInverse does $x[0]) - $this->value = $x === '-' ? '0' : (string) $x; - break; - default: - $temp = new static(); - - $multiplier = new static(); - $multiplier->value = array(self::$max10); - - if ($x[0] == '-') { - $this->is_negative = true; - $x = substr($x, 1); - } - - $x = str_pad($x, strlen($x) + ((self::$max10Len - 1) * strlen($x)) % self::$max10Len, 0, STR_PAD_LEFT); - while (strlen($x)) { - $temp = $temp->multiply($multiplier); - $temp = $temp->add(new static($this->_int2bytes(substr($x, 0, self::$max10Len)), 256)); - $x = substr($x, self::$max10Len); - } - - $this->value = $temp->value; - } - break; - case 2: // base-2 support originally implemented by Lluis Pamies - thanks! - case -2: - if ($base > 0 && $x[0] == '-') { - $this->is_negative = true; - $x = substr($x, 1); - } - - $x = preg_replace('#^([01]*).*#', '$1', $x); - $x = str_pad($x, strlen($x) + (3 * strlen($x)) % 4, 0, STR_PAD_LEFT); - - $str = '0x'; - while (strlen($x)) { - $part = substr($x, 0, 4); - $str.= dechex(bindec($part)); - $x = substr($x, 4); - } - - if ($this->is_negative) { - $str = '-' . $str; - } - - $temp = new static($str, 8 * $base); // ie. either -16 or +16 - $this->value = $temp->value; - $this->is_negative = $temp->is_negative; - - break; - default: - // base not supported, so we'll let $this == 0 - } - } - - /** - * Converts a BigInteger to a byte string (eg. base-256). - * - * Negative numbers are saved as positive numbers, unless $twos_compliment is set to true, at which point, they're - * saved as two's compliment. - * - * Here's an example: - * - * toBytes(); // outputs chr(65) - * ?> - * - * - * @param bool $twos_compliment - * @return string - * @access public - * @internal Converts a base-2**26 number to base-2**8 - */ - public function toBytes($twos_compliment = false) - { - if ($twos_compliment) { - $comparison = $this->compare(new static()); - if ($comparison == 0) { - return $this->precision > 0 ? str_repeat(chr(0), ($this->precision + 1) >> 3) : ''; - } - - $temp = $comparison < 0 ? $this->add(new static(1)) : $this; - $bytes = $temp->toBytes(); - - if (empty($bytes)) { // eg. if the number we're trying to convert is -1 - $bytes = chr(0); - } - - if (ord($bytes[0]) & 0x80) { - $bytes = chr(0) . $bytes; - } - - return $comparison < 0 ? ~$bytes : $bytes; - } - - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - if (gmp_cmp($this->value, gmp_init(0)) == 0) { - return $this->precision > 0 ? str_repeat(chr(0), ($this->precision + 1) >> 3) : ''; - } - - $temp = gmp_strval(gmp_abs($this->value), 16); - $temp = (strlen($temp) & 1) ? '0' . $temp : $temp; - $temp = Hex::decode($temp); - - return $this->precision > 0 ? - substr(str_pad($temp, $this->precision >> 3, chr(0), STR_PAD_LEFT), -($this->precision >> 3)) : - ltrim($temp, chr(0)); - case self::MODE_BCMATH: - if ($this->value === '0') { - return $this->precision > 0 ? str_repeat(chr(0), ($this->precision + 1) >> 3) : ''; - } - - $value = ''; - $current = $this->value; - - if ($current[0] == '-') { - $current = substr($current, 1); - } - - while (bccomp($current, '0', 0) > 0) { - $temp = bcmod($current, '16777216'); - $value = chr($temp >> 16) . chr($temp >> 8) . chr($temp) . $value; - $current = bcdiv($current, '16777216', 0); - } - - return $this->precision > 0 ? - substr(str_pad($value, $this->precision >> 3, chr(0), STR_PAD_LEFT), -($this->precision >> 3)) : - ltrim($value, chr(0)); - } - - if (!count($this->value)) { - return $this->precision > 0 ? str_repeat(chr(0), ($this->precision + 1) >> 3) : ''; - } - $result = self::_int2bytes($this->value[count($this->value) - 1]); - - for ($i = count($this->value) - 2; $i >= 0; --$i) { - self::_base256_lshift($result, self::$base); - $result = $result | str_pad(self::_int2bytes($this->value[$i]), strlen($result), chr(0), STR_PAD_LEFT); - } - - return $this->precision > 0 ? - str_pad(substr($result, -(($this->precision + 7) >> 3)), ($this->precision + 7) >> 3, chr(0), STR_PAD_LEFT) : - $result; - } - - /** - * Converts a BigInteger to a hex string (eg. base-16)). - * - * Negative numbers are saved as positive numbers, unless $twos_compliment is set to true, at which point, they're - * saved as two's compliment. - * - * Here's an example: - * - * toHex(); // outputs '41' - * ?> - * - * - * @param bool $twos_compliment - * @return string - * @access public - * @internal Converts a base-2**26 number to base-2**8 - */ - public function toHex($twos_compliment = false) - { - return Hex::encode($this->toBytes($twos_compliment)); - } - - /** - * Converts a BigInteger to a bit string (eg. base-2). - * - * Negative numbers are saved as positive numbers, unless $twos_compliment is set to true, at which point, they're - * saved as two's compliment. - * - * Here's an example: - * - * toBits(); // outputs '1000001' - * ?> - * - * - * @param bool $twos_compliment - * @return string - * @access public - * @internal Converts a base-2**26 number to base-2**2 - */ - public function toBits($twos_compliment = false) - { - $hex = $this->toHex($twos_compliment); - $bits = ''; - for ($i = strlen($hex) - 8, $start = strlen($hex) & 7; $i >= $start; $i-=8) { - $bits = str_pad(decbin(hexdec(substr($hex, $i, 8))), 32, '0', STR_PAD_LEFT) . $bits; - } - if ($start) { // hexdec('') == 0 - $bits = str_pad(decbin(hexdec(substr($hex, 0, $start))), 8, '0', STR_PAD_LEFT) . $bits; - } - $result = $this->precision > 0 ? substr($bits, -$this->precision) : ltrim($bits, '0'); - - if ($twos_compliment && $this->compare(new static()) > 0 && $this->precision <= 0) { - return '0' . $result; - } - - return $result; - } - - /** - * Converts a BigInteger to a base-10 number. - * - * Here's an example: - * - * toString(); // outputs 50 - * ?> - * - * - * @return string - * @access public - * @internal Converts a base-2**26 number to base-10**7 (which is pretty much base-10) - */ - public function toString() - { - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - return gmp_strval($this->value); - case self::MODE_BCMATH: - if ($this->value === '0') { - return '0'; - } - - return ltrim($this->value, '0'); - } - - if (!count($this->value)) { - return '0'; - } - - $temp = clone $this; - $temp->is_negative = false; - - $divisor = new static(); - $divisor->value = array(self::$max10); - $result = ''; - while (count($temp->value)) { - list($temp, $mod) = $temp->divide($divisor); - $result = str_pad(isset($mod->value[0]) ? $mod->value[0] : '', self::$max10Len, '0', STR_PAD_LEFT) . $result; - } - $result = ltrim($result, '0'); - if (empty($result)) { - $result = '0'; - } - - if ($this->is_negative) { - $result = '-' . $result; - } - - return $result; - } - - /** - * __toString() magic method - * - * Will be called, automatically, if you're supporting just PHP5. If you're supporting PHP4, you'll need to call - * toString(). - * - * @access public - * @internal Implemented per a suggestion by Techie-Michael - thanks! - */ - public function __toString() - { - return $this->toString(); - } - - /** - * __sleep() magic method - * - * Will be called, automatically, when serialize() is called on a BigInteger object. - * - * @see self::__wakeup() - * @access public - */ - public function __sleep() - { - $this->hex = $this->toHex(true); - $vars = array('hex'); - if ($this->precision > 0) { - $vars[] = 'precision'; - } - return $vars; - } - - /** - * __wakeup() magic method - * - * Will be called, automatically, when unserialize() is called on a BigInteger object. - * - * @see self::__sleep() - * @access public - */ - public function __wakeup() - { - $temp = new static($this->hex, -16); - $this->value = $temp->value; - $this->is_negative = $temp->is_negative; - if ($this->precision > 0) { - // recalculate $this->bitmask - $this->setPrecision($this->precision); - } - } - - /** - * __debugInfo() magic method - * - * Will be called, automatically, when print_r() or var_dump() are called - * - * @access public - */ - public function __debugInfo() - { - $opts = array(); - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - $engine = 'gmp'; - break; - case self::MODE_BCMATH: - $engine = 'bcmath'; - break; - case self::MODE_INTERNAL: - $engine = 'internal'; - $opts[] = PHP_INT_SIZE == 8 ? '64-bit' : '32-bit'; - } - if (MATH_BIGINTEGER_MODE != self::MODE_GMP && defined('MATH_BIGINTEGER_OPENSSL_ENABLED')) { - $opts[] = 'OpenSSL'; - } - if (!empty($opts)) { - $engine.= ' (' . implode($opts, ', ') . ')'; - } - return array( - 'value' => '0x' . $this->toHex(true), - 'engine' => $engine - ); - } - - /** - * Adds two BigIntegers. - * - * Here's an example: - * - * add($b); - * - * echo $c->toString(); // outputs 30 - * ?> - * - * - * @param \phpseclib\Math\BigInteger $y - * @return \phpseclib\Math\BigInteger - * @access public - * @internal Performs base-2**52 addition - */ - public function add(BigInteger $y) - { - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - $temp = new static(); - $temp->value = gmp_add($this->value, $y->value); - - return $this->_normalize($temp); - case self::MODE_BCMATH: - $temp = new static(); - $temp->value = bcadd($this->value, $y->value, 0); - - return $this->_normalize($temp); - } - - $temp = self::_add($this->value, $this->is_negative, $y->value, $y->is_negative); - - $result = new static(); - $result->value = $temp[self::VALUE]; - $result->is_negative = $temp[self::SIGN]; - - return $this->_normalize($result); - } - - /** - * Performs addition. - * - * @param array $x_value - * @param bool $x_negative - * @param array $y_value - * @param bool $y_negative - * @return array - * @access private - */ - private static function _add($x_value, $x_negative, $y_value, $y_negative) - { - $x_size = count($x_value); - $y_size = count($y_value); - - if ($x_size == 0) { - return array( - self::VALUE => $y_value, - self::SIGN => $y_negative - ); - } elseif ($y_size == 0) { - return array( - self::VALUE => $x_value, - self::SIGN => $x_negative - ); - } - - // subtract, if appropriate - if ($x_negative != $y_negative) { - if ($x_value == $y_value) { - return array( - self::VALUE => array(), - self::SIGN => false - ); - } - - $temp = self::_subtract($x_value, false, $y_value, false); - $temp[self::SIGN] = self::_compare($x_value, false, $y_value, false) > 0 ? - $x_negative : $y_negative; - - return $temp; - } - - if ($x_size < $y_size) { - $size = $x_size; - $value = $y_value; - } else { - $size = $y_size; - $value = $x_value; - } - - $value[count($value)] = 0; // just in case the carry adds an extra digit - - $carry = 0; - for ($i = 0, $j = 1; $j < $size; $i+=2, $j+=2) { - $sum = $x_value[$j] * self::$baseFull + $x_value[$i] + $y_value[$j] * self::$baseFull + $y_value[$i] + $carry; - $carry = $sum >= self::$maxDigit2; // eg. floor($sum / 2**52); only possible values (in any base) are 0 and 1 - $sum = $carry ? $sum - self::$maxDigit2 : $sum; - - $temp = self::$base === 26 ? intval($sum / 0x4000000) : ($sum >> 31); - - $value[$i] = (int) ($sum - self::$baseFull * $temp); // eg. a faster alternative to fmod($sum, 0x4000000) - $value[$j] = $temp; - } - - if ($j == $size) { // ie. if $y_size is odd - $sum = $x_value[$i] + $y_value[$i] + $carry; - $carry = $sum >= self::$baseFull; - $value[$i] = $carry ? $sum - self::$baseFull : $sum; - ++$i; // ie. let $i = $j since we've just done $value[$i] - } - - if ($carry) { - for (; $value[$i] == self::$maxDigit; ++$i) { - $value[$i] = 0; - } - ++$value[$i]; - } - - return array( - self::VALUE => self::_trim($value), - self::SIGN => $x_negative - ); - } - - /** - * Subtracts two BigIntegers. - * - * Here's an example: - * - * subtract($b); - * - * echo $c->toString(); // outputs -10 - * ?> - * - * - * @param \phpseclib\Math\BigInteger $y - * @return \phpseclib\Math\BigInteger - * @access public - * @internal Performs base-2**52 subtraction - */ - public function subtract(BigInteger $y) - { - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - $temp = new static(); - $temp->value = gmp_sub($this->value, $y->value); - - return $this->_normalize($temp); - case self::MODE_BCMATH: - $temp = new static(); - $temp->value = bcsub($this->value, $y->value, 0); - - return $this->_normalize($temp); - } - - $temp = self::_subtract($this->value, $this->is_negative, $y->value, $y->is_negative); - - $result = new static(); - $result->value = $temp[self::VALUE]; - $result->is_negative = $temp[self::SIGN]; - - return $this->_normalize($result); - } - - /** - * Performs subtraction. - * - * @param array $x_value - * @param bool $x_negative - * @param array $y_value - * @param bool $y_negative - * @return array - * @access private - */ - private static function _subtract($x_value, $x_negative, $y_value, $y_negative) - { - $x_size = count($x_value); - $y_size = count($y_value); - - if ($x_size == 0) { - return array( - self::VALUE => $y_value, - self::SIGN => !$y_negative - ); - } elseif ($y_size == 0) { - return array( - self::VALUE => $x_value, - self::SIGN => $x_negative - ); - } - - // add, if appropriate (ie. -$x - +$y or +$x - -$y) - if ($x_negative != $y_negative) { - $temp = self::_add($x_value, false, $y_value, false); - $temp[self::SIGN] = $x_negative; - - return $temp; - } - - $diff = self::_compare($x_value, $x_negative, $y_value, $y_negative); - - if (!$diff) { - return array( - self::VALUE => array(), - self::SIGN => false - ); - } - - // switch $x and $y around, if appropriate. - if ((!$x_negative && $diff < 0) || ($x_negative && $diff > 0)) { - $temp = $x_value; - $x_value = $y_value; - $y_value = $temp; - - $x_negative = !$x_negative; - - $x_size = count($x_value); - $y_size = count($y_value); - } - - // at this point, $x_value should be at least as big as - if not bigger than - $y_value - - $carry = 0; - for ($i = 0, $j = 1; $j < $y_size; $i+=2, $j+=2) { - $sum = $x_value[$j] * self::$baseFull + $x_value[$i] - $y_value[$j] * self::$baseFull - $y_value[$i] - $carry; - $carry = $sum < 0; // eg. floor($sum / 2**52); only possible values (in any base) are 0 and 1 - $sum = $carry ? $sum + self::$maxDigit2 : $sum; - - $temp = self::$base === 26 ? intval($sum / 0x4000000) : ($sum >> 31); - - $x_value[$i] = (int) ($sum - self::$baseFull * $temp); - $x_value[$j] = $temp; - } - - if ($j == $y_size) { // ie. if $y_size is odd - $sum = $x_value[$i] - $y_value[$i] - $carry; - $carry = $sum < 0; - $x_value[$i] = $carry ? $sum + self::$baseFull : $sum; - ++$i; - } - - if ($carry) { - for (; !$x_value[$i]; ++$i) { - $x_value[$i] = self::$maxDigit; - } - --$x_value[$i]; - } - - return array( - self::VALUE => self::_trim($x_value), - self::SIGN => $x_negative - ); - } - - /** - * Multiplies two BigIntegers - * - * Here's an example: - * - * multiply($b); - * - * echo $c->toString(); // outputs 200 - * ?> - * - * - * @param \phpseclib\Math\BigInteger $x - * @return \phpseclib\Math\BigInteger - * @access public - */ - public function multiply(BigInteger $x) - { - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - $temp = new static(); - $temp->value = gmp_mul($this->value, $x->value); - - return $this->_normalize($temp); - case self::MODE_BCMATH: - $temp = new static(); - $temp->value = bcmul($this->value, $x->value, 0); - - return $this->_normalize($temp); - } - - $temp = self::_multiply($this->value, $this->is_negative, $x->value, $x->is_negative); - - $product = new static(); - $product->value = $temp[self::VALUE]; - $product->is_negative = $temp[self::SIGN]; - - return $this->_normalize($product); - } - - /** - * Performs multiplication. - * - * @param array $x_value - * @param bool $x_negative - * @param array $y_value - * @param bool $y_negative - * @return array - * @access private - */ - private static function _multiply($x_value, $x_negative, $y_value, $y_negative) - { - //if ( $x_value == $y_value ) { - // return [ - // self::VALUE => $this->_square($x_value), - // self::SIGN => $x_sign != $y_value - // ]; - //} - - $x_length = count($x_value); - $y_length = count($y_value); - - if (!$x_length || !$y_length) { // a 0 is being multiplied - return array( - self::VALUE => array(), - self::SIGN => false - ); - } - - return array( - self::VALUE => min($x_length, $y_length) < 2 * self::KARATSUBA_CUTOFF ? - self::_trim(self::_regularMultiply($x_value, $y_value)) : - self::_trim(self::_karatsuba($x_value, $y_value)), - self::SIGN => $x_negative != $y_negative - ); - } - - /** - * Performs long multiplication on two BigIntegers - * - * Modeled after 'multiply' in MutableBigInteger.java. - * - * @param array $x_value - * @param array $y_value - * @return array - * @access private - */ - private static function _regularMultiply($x_value, $y_value) - { - $x_length = count($x_value); - $y_length = count($y_value); - - if (!$x_length || !$y_length) { // a 0 is being multiplied - return array(); - } - - if ($x_length < $y_length) { - $temp = $x_value; - $x_value = $y_value; - $y_value = $temp; - - $x_length = count($x_value); - $y_length = count($y_value); - } - - $product_value = self::_array_repeat(0, $x_length + $y_length); - - // the following for loop could be removed if the for loop following it - // (the one with nested for loops) initially set $i to 0, but - // doing so would also make the result in one set of unnecessary adds, - // since on the outermost loops first pass, $product->value[$k] is going - // to always be 0 - - $carry = 0; - - for ($j = 0; $j < $x_length; ++$j) { // ie. $i = 0 - $temp = $x_value[$j] * $y_value[0] + $carry; // $product_value[$k] == 0 - $carry = self::$base === 26 ? intval($temp / 0x4000000) : ($temp >> 31); - $product_value[$j] = (int) ($temp - self::$baseFull * $carry); - } - - $product_value[$j] = $carry; - - // the above for loop is what the previous comment was talking about. the - // following for loop is the "one with nested for loops" - for ($i = 1; $i < $y_length; ++$i) { - $carry = 0; - - for ($j = 0, $k = $i; $j < $x_length; ++$j, ++$k) { - $temp = $product_value[$k] + $x_value[$j] * $y_value[$i] + $carry; - $carry = self::$base === 26 ? intval($temp / 0x4000000) : ($temp >> 31); - $product_value[$k] = (int) ($temp - self::$baseFull * $carry); - } - - $product_value[$k] = $carry; - } - - return $product_value; - } - - /** - * Performs Karatsuba multiplication on two BigIntegers - * - * See {@link http://en.wikipedia.org/wiki/Karatsuba_algorithm Karatsuba algorithm} and - * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=120 MPM 5.2.3}. - * - * @param array $x_value - * @param array $y_value - * @return array - * @access private - */ - private static function _karatsuba($x_value, $y_value) - { - $m = min(count($x_value) >> 1, count($y_value) >> 1); - - if ($m < self::KARATSUBA_CUTOFF) { - return self::_regularMultiply($x_value, $y_value); - } - - $x1 = array_slice($x_value, $m); - $x0 = array_slice($x_value, 0, $m); - $y1 = array_slice($y_value, $m); - $y0 = array_slice($y_value, 0, $m); - - $z2 = self::_karatsuba($x1, $y1); - $z0 = self::_karatsuba($x0, $y0); - - $z1 = self::_add($x1, false, $x0, false); - $temp = self::_add($y1, false, $y0, false); - $z1 = self::_karatsuba($z1[self::VALUE], $temp[self::VALUE]); - $temp = self::_add($z2, false, $z0, false); - $z1 = self::_subtract($z1, false, $temp[self::VALUE], false); - - $z2 = array_merge(array_fill(0, 2 * $m, 0), $z2); - $z1[self::VALUE] = array_merge(array_fill(0, $m, 0), $z1[self::VALUE]); - - $xy = self::_add($z2, false, $z1[self::VALUE], $z1[self::SIGN]); - $xy = self::_add($xy[self::VALUE], $xy[self::SIGN], $z0, false); - - return $xy[self::VALUE]; - } - - /** - * Performs squaring - * - * @param array $x - * @return array - * @access private - */ - private static function _square($x = false) - { - return count($x) < 2 * self::KARATSUBA_CUTOFF ? - self::_trim(self::_baseSquare($x)) : - self::_trim(self::_karatsubaSquare($x)); - } - - /** - * Performs traditional squaring on two BigIntegers - * - * Squaring can be done faster than multiplying a number by itself can be. See - * {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=7 HAC 14.2.4} / - * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=141 MPM 5.3} for more information. - * - * @param array $value - * @return array - * @access private - */ - private static function _baseSquare($value) - { - if (empty($value)) { - return array(); - } - $square_value = self::_array_repeat(0, 2 * count($value)); - - for ($i = 0, $max_index = count($value) - 1; $i <= $max_index; ++$i) { - $i2 = $i << 1; - - $temp = $square_value[$i2] + $value[$i] * $value[$i]; - $carry = self::$base === 26 ? intval($temp / 0x4000000) : ($temp >> 31); - $square_value[$i2] = (int) ($temp - self::$baseFull * $carry); - - // note how we start from $i+1 instead of 0 as we do in multiplication. - for ($j = $i + 1, $k = $i2 + 1; $j <= $max_index; ++$j, ++$k) { - $temp = $square_value[$k] + 2 * $value[$j] * $value[$i] + $carry; - $carry = self::$base === 26 ? intval($temp / 0x4000000) : ($temp >> 31); - $square_value[$k] = (int) ($temp - self::$baseFull * $carry); - } - - // the following line can yield values larger 2**15. at this point, PHP should switch - // over to floats. - $square_value[$i + $max_index + 1] = $carry; - } - - return $square_value; - } - - /** - * Performs Karatsuba "squaring" on two BigIntegers - * - * See {@link http://en.wikipedia.org/wiki/Karatsuba_algorithm Karatsuba algorithm} and - * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=151 MPM 5.3.4}. - * - * @param array $value - * @return array - * @access private - */ - private static function _karatsubaSquare($value) - { - $m = count($value) >> 1; - - if ($m < self::KARATSUBA_CUTOFF) { - return self::_baseSquare($value); - } - - $x1 = array_slice($value, $m); - $x0 = array_slice($value, 0, $m); - - $z2 = self::_karatsubaSquare($x1); - $z0 = self::_karatsubaSquare($x0); - - $z1 = self::_add($x1, false, $x0, false); - $z1 = self::_karatsubaSquare($z1[self::VALUE]); - $temp = self::_add($z2, false, $z0, false); - $z1 = self::_subtract($z1, false, $temp[self::VALUE], false); - - $z2 = array_merge(array_fill(0, 2 * $m, 0), $z2); - $z1[self::VALUE] = array_merge(array_fill(0, $m, 0), $z1[self::VALUE]); - - $xx = self::_add($z2, false, $z1[self::VALUE], $z1[self::SIGN]); - $xx = self::_add($xx[self::VALUE], $xx[self::SIGN], $z0, false); - - return $xx[self::VALUE]; - } - - /** - * Divides two BigIntegers. - * - * Returns an array whose first element contains the quotient and whose second element contains the - * "common residue". If the remainder would be positive, the "common residue" and the remainder are the - * same. If the remainder would be negative, the "common residue" is equal to the sum of the remainder - * and the divisor (basically, the "common residue" is the first positive modulo). - * - * Here's an example: - * - * divide($b); - * - * echo $quotient->toString(); // outputs 0 - * echo "\r\n"; - * echo $remainder->toString(); // outputs 10 - * ?> - * - * - * @param \phpseclib\Math\BigInteger $y - * @return array - * @access public - * @internal This function is based off of {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=9 HAC 14.20}. - */ - public function divide(BigInteger $y) - { - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - $quotient = new static(); - $remainder = new static(); - - list($quotient->value, $remainder->value) = gmp_div_qr($this->value, $y->value); - - if (gmp_sign($remainder->value) < 0) { - $remainder->value = gmp_add($remainder->value, gmp_abs($y->value)); - } - - return array($this->_normalize($quotient), $this->_normalize($remainder)); - case self::MODE_BCMATH: - $quotient = new static(); - $remainder = new static(); - - $quotient->value = bcdiv($this->value, $y->value, 0); - $remainder->value = bcmod($this->value, $y->value); - - if ($remainder->value[0] == '-') { - $remainder->value = bcadd($remainder->value, $y->value[0] == '-' ? substr($y->value, 1) : $y->value, 0); - } - - return array($this->_normalize($quotient), $this->_normalize($remainder)); - } - - if (count($y->value) == 1) { - list($q, $r) = $this->_divide_digit($this->value, $y->value[0]); - $quotient = new static(); - $remainder = new static(); - $quotient->value = $q; - $remainder->value = array($r); - $quotient->is_negative = $this->is_negative != $y->is_negative; - return array($this->_normalize($quotient), $this->_normalize($remainder)); - } - - static $zero; - if (!isset($zero)) { - $zero = new static(); - } - - $x = clone $this; - $y = clone $y; - - $x_sign = $x->is_negative; - $y_sign = $y->is_negative; - - $x->is_negative = $y->is_negative = false; - - $diff = $x->compare($y); - - if (!$diff) { - $temp = new static(); - $temp->value = array(1); - $temp->is_negative = $x_sign != $y_sign; - return array($this->_normalize($temp), $this->_normalize(new static())); - } - - if ($diff < 0) { - // if $x is negative, "add" $y. - if ($x_sign) { - $x = $y->subtract($x); - } - return array($this->_normalize(new static()), $this->_normalize($x)); - } - - // normalize $x and $y as described in HAC 14.23 / 14.24 - $msb = $y->value[count($y->value) - 1]; - for ($shift = 0; !($msb & self::$msb); ++$shift) { - $msb <<= 1; - } - $x->_lshift($shift); - $y->_lshift($shift); - $y_value = &$y->value; - - $x_max = count($x->value) - 1; - $y_max = count($y->value) - 1; - - $quotient = new static(); - $quotient_value = &$quotient->value; - $quotient_value = $this->_array_repeat(0, $x_max - $y_max + 1); - - static $temp, $lhs, $rhs; - if (!isset($temp)) { - $temp = new static(); - $lhs = new static(); - $rhs = new static(); - } - $temp_value = &$temp->value; - $rhs_value = &$rhs->value; - - // $temp = $y << ($x_max - $y_max-1) in base 2**26 - $temp_value = array_merge($this->_array_repeat(0, $x_max - $y_max), $y_value); - - while ($x->compare($temp) >= 0) { - // calculate the "common residue" - ++$quotient_value[$x_max - $y_max]; - $x = $x->subtract($temp); - $x_max = count($x->value) - 1; - } - - for ($i = $x_max; $i >= $y_max + 1; --$i) { - $x_value = &$x->value; - $x_window = array( - isset($x_value[$i]) ? $x_value[$i] : 0, - isset($x_value[$i - 1]) ? $x_value[$i - 1] : 0, - isset($x_value[$i - 2]) ? $x_value[$i - 2] : 0 - ); - $y_window = array( - $y_value[$y_max], - ($y_max > 0) ? $y_value[$y_max - 1] : 0 - ); - - $q_index = $i - $y_max - 1; - if ($x_window[0] == $y_window[0]) { - $quotient_value[$q_index] = self::$maxDigit; - } else { - $quotient_value[$q_index] = $this->_safe_divide( - $x_window[0] * self::$baseFull + $x_window[1], - $y_window[0] - ); - } - - $temp_value = array($y_window[1], $y_window[0]); - - $lhs->value = array($quotient_value[$q_index]); - $lhs = $lhs->multiply($temp); - - $rhs_value = array($x_window[2], $x_window[1], $x_window[0]); - - while ($lhs->compare($rhs) > 0) { - --$quotient_value[$q_index]; - - $lhs->value = array($quotient_value[$q_index]); - $lhs = $lhs->multiply($temp); - } - - $adjust = $this->_array_repeat(0, $q_index); - $temp_value = array($quotient_value[$q_index]); - $temp = $temp->multiply($y); - $temp_value = &$temp->value; - $temp_value = array_merge($adjust, $temp_value); - - $x = $x->subtract($temp); - - if ($x->compare($zero) < 0) { - $temp_value = array_merge($adjust, $y_value); - $x = $x->add($temp); - - --$quotient_value[$q_index]; - } - - $x_max = count($x_value) - 1; - } - - // unnormalize the remainder - $x->_rshift($shift); - - $quotient->is_negative = $x_sign != $y_sign; - - // calculate the "common residue", if appropriate - if ($x_sign) { - $y->_rshift($shift); - $x = $y->subtract($x); - } - - return array($this->_normalize($quotient), $this->_normalize($x)); - } - - /** - * Divides a BigInteger by a regular integer - * - * abc / x = a00 / x + b0 / x + c / x - * - * @param array $dividend - * @param array $divisor - * @return array - * @access private - */ - private static function _divide_digit($dividend, $divisor) - { - $carry = 0; - $result = array(); - - for ($i = count($dividend) - 1; $i >= 0; --$i) { - $temp = self::$baseFull * $carry + $dividend[$i]; - $result[$i] = self::_safe_divide($temp, $divisor); - $carry = (int) ($temp - $divisor * $result[$i]); - } - - return array($result, $carry); - } - - /** - * Performs modular exponentiation. - * - * Here's an example: - * - * modPow($b, $c); - * - * echo $c->toString(); // outputs 10 - * ?> - * - * - * @param \phpseclib\Math\BigInteger $e - * @param \phpseclib\Math\BigInteger $n - * @return \phpseclib\Math\BigInteger - * @access public - * @internal The most naive approach to modular exponentiation has very unreasonable requirements, and - * and although the approach involving repeated squaring does vastly better, it, too, is impractical - * for our purposes. The reason being that division - by far the most complicated and time-consuming - * of the basic operations (eg. +,-,*,/) - occurs multiple times within it. - * - * Modular reductions resolve this issue. Although an individual modular reduction takes more time - * then an individual division, when performed in succession (with the same modulo), they're a lot faster. - * - * The two most commonly used modular reductions are Barrett and Montgomery reduction. Montgomery reduction, - * although faster, only works when the gcd of the modulo and of the base being used is 1. In RSA, when the - * base is a power of two, the modulo - a product of two primes - is always going to have a gcd of 1 (because - * the product of two odd numbers is odd), but what about when RSA isn't used? - * - * In contrast, Barrett reduction has no such constraint. As such, some bigint implementations perform a - * Barrett reduction after every operation in the modpow function. Others perform Barrett reductions when the - * modulo is even and Montgomery reductions when the modulo is odd. BigInteger.java's modPow method, however, - * uses a trick involving the Chinese Remainder Theorem to factor the even modulo into two numbers - one odd and - * the other, a power of two - and recombine them, later. This is the method that this modPow function uses. - * {@link http://islab.oregonstate.edu/papers/j34monex.pdf Montgomery Reduction with Even Modulus} elaborates. - */ - public function modPow(BigInteger $e, BigInteger $n) - { - $n = $this->bitmask !== false && $this->bitmask->compare($n) < 0 ? $this->bitmask : $n->abs(); - - if ($e->compare(new static()) < 0) { - $e = $e->abs(); - - $temp = $this->modInverse($n); - if ($temp === false) { - return false; - } - - return $this->_normalize($temp->modPow($e, $n)); - } - - if (MATH_BIGINTEGER_MODE == self::MODE_GMP) { - $temp = new static(); - $temp->value = gmp_powm($this->value, $e->value, $n->value); - - return $this->_normalize($temp); - } - - if ($this->compare(new static()) < 0 || $this->compare($n) > 0) { - list(, $temp) = $this->divide($n); - return $temp->modPow($e, $n); - } - - if (defined('MATH_BIGINTEGER_OPENSSL_ENABLED')) { - $components = array( - 'modulus' => $n->toBytes(true), - 'publicExponent' => $e->toBytes(true) - ); - - $components = array( - 'modulus' => pack('Ca*a*', 2, ASN1::encodeLength(strlen($components['modulus'])), $components['modulus']), - 'publicExponent' => pack('Ca*a*', 2, ASN1::encodeLength(strlen($components['publicExponent'])), $components['publicExponent']) - ); - - $RSAPublicKey = pack( - 'Ca*a*a*', - 48, - ASN1::encodeLength(strlen($components['modulus']) + strlen($components['publicExponent'])), - $components['modulus'], - $components['publicExponent'] - ); - - $rsaOID = "\x30\x0d\x06\x09\x2a\x86\x48\x86\xf7\x0d\x01\x01\x01\x05\x00"; // hex version of MA0GCSqGSIb3DQEBAQUA - $RSAPublicKey = chr(0) . $RSAPublicKey; - $RSAPublicKey = chr(3) . ASN1::encodeLength(strlen($RSAPublicKey)) . $RSAPublicKey; - - $encapsulated = pack( - 'Ca*a*', - 48, - ASN1::encodeLength(strlen($rsaOID . $RSAPublicKey)), - $rsaOID . $RSAPublicKey - ); - - $RSAPublicKey = "-----BEGIN PUBLIC KEY-----\r\n" . - chunk_split(Base64::encode($encapsulated)) . - '-----END PUBLIC KEY-----'; - - $plaintext = str_pad($this->toBytes(), strlen($n->toBytes(true)) - 1, "\0", STR_PAD_LEFT); - - if (openssl_public_encrypt($plaintext, $result, $RSAPublicKey, OPENSSL_NO_PADDING)) { - return new static($result, 256); - } - } - - if (MATH_BIGINTEGER_MODE == self::MODE_BCMATH) { - $temp = new static(); - $temp->value = bcpowmod($this->value, $e->value, $n->value, 0); - - return $this->_normalize($temp); - } - - if (empty($e->value)) { - $temp = new static(); - $temp->value = array(1); - return $this->_normalize($temp); - } - - if ($e->value == array(1)) { - list(, $temp) = $this->divide($n); - return $this->_normalize($temp); - } - - if ($e->value == array(2)) { - $temp = new static(); - $temp->value = self::_square($this->value); - list(, $temp) = $temp->divide($n); - return $this->_normalize($temp); - } - - return $this->_normalize($this->_slidingWindow($e, $n, self::BARRETT)); - - // the following code, although not callable, can be run independently of the above code - // although the above code performed better in my benchmarks the following could might - // perform better under different circumstances. in lieu of deleting it it's just been - // made uncallable - - // is the modulo odd? - if ($n->value[0] & 1) { - return $this->_normalize($this->_slidingWindow($e, $n, self::MONTGOMERY)); - } - // if it's not, it's even - - // find the lowest set bit (eg. the max pow of 2 that divides $n) - for ($i = 0; $i < count($n->value); ++$i) { - if ($n->value[$i]) { - $temp = decbin($n->value[$i]); - $j = strlen($temp) - strrpos($temp, '1') - 1; - $j+= 26 * $i; - break; - } - } - // at this point, 2^$j * $n/(2^$j) == $n - - $mod1 = clone $n; - $mod1->_rshift($j); - $mod2 = new static(); - $mod2->value = array(1); - $mod2->_lshift($j); - - $part1 = ($mod1->value != array(1)) ? $this->_slidingWindow($e, $mod1, self::MONTGOMERY) : new static(); - $part2 = $this->_slidingWindow($e, $mod2, self::POWEROF2); - - $y1 = $mod2->modInverse($mod1); - $y2 = $mod1->modInverse($mod2); - - $result = $part1->multiply($mod2); - $result = $result->multiply($y1); - - $temp = $part2->multiply($mod1); - $temp = $temp->multiply($y2); - - $result = $result->add($temp); - list(, $result) = $result->divide($n); - - return $this->_normalize($result); - } - - /** - * Performs modular exponentiation. - * - * Alias for modPow(). - * - * @param \phpseclib\Math\BigInteger $e - * @param \phpseclib\Math\BigInteger $n - * @return \phpseclib\Math\BigInteger - * @access public - */ - public function powMod(BigInteger $e, BigInteger $n) - { - return $this->modPow($e, $n); - } - - /** - * Sliding Window k-ary Modular Exponentiation - * - * Based on {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=27 HAC 14.85} / - * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=210 MPM 7.7}. In a departure from those algorithims, - * however, this function performs a modular reduction after every multiplication and squaring operation. - * As such, this function has the same preconditions that the reductions being used do. - * - * @param \phpseclib\Math\BigInteger $e - * @param \phpseclib\Math\BigInteger $n - * @param int $mode - * @return \phpseclib\Math\BigInteger - * @access private - */ - private function _slidingWindow($e, $n, $mode) - { - static $window_ranges = array(7, 25, 81, 241, 673, 1793); // from BigInteger.java's oddModPow function - //static $window_ranges = array(0, 7, 36, 140, 450, 1303, 3529); // from MPM 7.3.1 - - $e_value = $e->value; - $e_length = count($e_value) - 1; - $e_bits = decbin($e_value[$e_length]); - for ($i = $e_length - 1; $i >= 0; --$i) { - $e_bits.= str_pad(decbin($e_value[$i]), self::$base, '0', STR_PAD_LEFT); - } - - $e_length = strlen($e_bits); - - // calculate the appropriate window size. - // $window_size == 3 if $window_ranges is between 25 and 81, for example. - for ($i = 0, $window_size = 1; $i < count($window_ranges) && $e_length > $window_ranges[$i]; ++$window_size, ++$i) { - } - - $n_value = $n->value; - - // precompute $this^0 through $this^$window_size - $powers = array(); - $powers[1] = self::_prepareReduce($this->value, $n_value, $mode); - $powers[2] = self::_squareReduce($powers[1], $n_value, $mode); - - // we do every other number since substr($e_bits, $i, $j+1) (see below) is supposed to end - // in a 1. ie. it's supposed to be odd. - $temp = 1 << ($window_size - 1); - for ($i = 1; $i < $temp; ++$i) { - $i2 = $i << 1; - $powers[$i2 + 1] = self::_multiplyReduce($powers[$i2 - 1], $powers[2], $n_value, $mode); - } - - $result = array(1); - $result = self::_prepareReduce($result, $n_value, $mode); - - for ($i = 0; $i < $e_length;) { - if (!$e_bits[$i]) { - $result = self::_squareReduce($result, $n_value, $mode); - ++$i; - } else { - for ($j = $window_size - 1; $j > 0; --$j) { - if (!empty($e_bits[$i + $j])) { - break; - } - } - - // eg. the length of substr($e_bits, $i, $j + 1) - for ($k = 0; $k <= $j; ++$k) { - $result = self::_squareReduce($result, $n_value, $mode); - } - - $result = self::_multiplyReduce($result, $powers[bindec(substr($e_bits, $i, $j + 1))], $n_value, $mode); - - $i += $j + 1; - } - } - - $temp = new static(); - $temp->value = self::_reduce($result, $n_value, $mode); - - return $temp; - } - - /** - * Modular reduction - * - * For most $modes this will return the remainder. - * - * @see self::_slidingWindow() - * @access private - * @param array $x - * @param array $n - * @param int $mode - * @return array - */ - private static function _reduce($x, $n, $mode) - { - switch ($mode) { - case self::MONTGOMERY: - return self::_montgomery($x, $n); - case self::BARRETT: - return self::_barrett($x, $n); - case self::POWEROF2: - $lhs = new static(); - $lhs->value = $x; - $rhs = new static(); - $rhs->value = $n; - return $x->_mod2($n); - case self::CLASSIC: - $lhs = new static(); - $lhs->value = $x; - $rhs = new static(); - $rhs->value = $n; - list(, $temp) = $lhs->divide($rhs); - return $temp->value; - case self::NONE: - return $x; - default: - // an invalid $mode was provided - } - } - - /** - * Modular reduction preperation - * - * @see self::_slidingWindow() - * @access private - * @param array $x - * @param array $n - * @param int $mode - * @return array - */ - private static function _prepareReduce($x, $n, $mode) - { - if ($mode == self::MONTGOMERY) { - return self::_prepMontgomery($x, $n); - } - return self::_reduce($x, $n, $mode); - } - - /** - * Modular multiply - * - * @see self::_slidingWindow() - * @access private - * @param array $x - * @param array $y - * @param array $n - * @param int $mode - * @return array - */ - private static function _multiplyReduce($x, $y, $n, $mode) - { - if ($mode == self::MONTGOMERY) { - return self::_montgomeryMultiply($x, $y, $n); - } - $temp = self::_multiply($x, false, $y, false); - return self::_reduce($temp[self::VALUE], $n, $mode); - } - - /** - * Modular square - * - * @see self::_slidingWindow() - * @access private - * @param array $x - * @param array $n - * @param int $mode - * @return array - */ - private static function _squareReduce($x, $n, $mode) - { - if ($mode == self::MONTGOMERY) { - return self::_montgomeryMultiply($x, $x, $n); - } - return self::_reduce(self::_square($x), $n, $mode); - } - - /** - * Modulos for Powers of Two - * - * Calculates $x%$n, where $n = 2**$e, for some $e. Since this is basically the same as doing $x & ($n-1), - * we'll just use this function as a wrapper for doing that. - * - * @see self::_slidingWindow() - * @access private - * @param \phpseclib\Math\BigInteger - * @return \phpseclib\Math\BigInteger - */ - private function _mod2($n) - { - $temp = new static(); - $temp->value = array(1); - return $this->bitwise_and($n->subtract($temp)); - } - - /** - * Barrett Modular Reduction - * - * See {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=14 HAC 14.3.3} / - * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=165 MPM 6.2.5} for more information. Modified slightly, - * so as not to require negative numbers (initially, this script didn't support negative numbers). - * - * Employs "folding", as described at - * {@link http://www.cosic.esat.kuleuven.be/publications/thesis-149.pdf#page=66 thesis-149.pdf#page=66}. To quote from - * it, "the idea [behind folding] is to find a value x' such that x (mod m) = x' (mod m), with x' being smaller than x." - * - * Unfortunately, the "Barrett Reduction with Folding" algorithm described in thesis-149.pdf is not, as written, all that - * usable on account of (1) its not using reasonable radix points as discussed in - * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=162 MPM 6.2.2} and (2) the fact that, even with reasonable - * radix points, it only works when there are an even number of digits in the denominator. The reason for (2) is that - * (x >> 1) + (x >> 1) != x / 2 + x / 2. If x is even, they're the same, but if x is odd, they're not. See the in-line - * comments for details. - * - * @see self::_slidingWindow() - * @access private - * @param array $n - * @param array $m - * @return array - */ - private static function _barrett($n, $m) - { - static $cache = array( - self::VARIABLE => array(), - self::DATA => array() - ); - - $m_length = count($m); - - // if (self::_compare($n, self::_square($m)) >= 0) { - if (count($n) > 2 * $m_length) { - $lhs = new static(); - $rhs = new static(); - $lhs->value = $n; - $rhs->value = $m; - list(, $temp) = $lhs->divide($rhs); - return $temp->value; - } - - // if (m.length >> 1) + 2 <= m.length then m is too small and n can't be reduced - if ($m_length < 5) { - return self::_regularBarrett($n, $m); - } - - // n = 2 * m.length - - if (($key = array_search($m, $cache[self::VARIABLE])) === false) { - $key = count($cache[self::VARIABLE]); - $cache[self::VARIABLE][] = $m; - - $lhs = new static(); - $lhs_value = &$lhs->value; - $lhs_value = self::_array_repeat(0, $m_length + ($m_length >> 1)); - $lhs_value[] = 1; - $rhs = new static(); - $rhs->value = $m; - - list($u, $m1) = $lhs->divide($rhs); - $u = $u->value; - $m1 = $m1->value; - - $cache[self::DATA][] = array( - 'u' => $u, // m.length >> 1 (technically (m.length >> 1) + 1) - 'm1'=> $m1 // m.length - ); - } else { - extract($cache[self::DATA][$key]); - } - - $cutoff = $m_length + ($m_length >> 1); - $lsd = array_slice($n, 0, $cutoff); // m.length + (m.length >> 1) - $msd = array_slice($n, $cutoff); // m.length >> 1 - $lsd = self::_trim($lsd); - $temp = self::_multiply($msd, false, $m1, false); - $n = self::_add($lsd, false, $temp[self::VALUE], false); // m.length + (m.length >> 1) + 1 - - if ($m_length & 1) { - return self::_regularBarrett($n[self::VALUE], $m); - } - - // (m.length + (m.length >> 1) + 1) - (m.length - 1) == (m.length >> 1) + 2 - $temp = array_slice($n[self::VALUE], $m_length - 1); - // if even: ((m.length >> 1) + 2) + (m.length >> 1) == m.length + 2 - // if odd: ((m.length >> 1) + 2) + (m.length >> 1) == (m.length - 1) + 2 == m.length + 1 - $temp = self::_multiply($temp, false, $u, false); - // if even: (m.length + 2) - ((m.length >> 1) + 1) = m.length - (m.length >> 1) + 1 - // if odd: (m.length + 1) - ((m.length >> 1) + 1) = m.length - (m.length >> 1) - $temp = array_slice($temp[self::VALUE], ($m_length >> 1) + 1); - // if even: (m.length - (m.length >> 1) + 1) + m.length = 2 * m.length - (m.length >> 1) + 1 - // if odd: (m.length - (m.length >> 1)) + m.length = 2 * m.length - (m.length >> 1) - $temp = self::_multiply($temp, false, $m, false); - - // at this point, if m had an odd number of digits, we'd be subtracting a 2 * m.length - (m.length >> 1) digit - // number from a m.length + (m.length >> 1) + 1 digit number. ie. there'd be an extra digit and the while loop - // following this comment would loop a lot (hence our calling _regularBarrett() in that situation). - - $result = self::_subtract($n[self::VALUE], false, $temp[self::VALUE], false); - - while (self::_compare($result[self::VALUE], $result[self::SIGN], $m, false) >= 0) { - $result = self::_subtract($result[self::VALUE], $result[self::SIGN], $m, false); - } - - return $result[self::VALUE]; - } - - /** - * (Regular) Barrett Modular Reduction - * - * For numbers with more than four digits BigInteger::_barrett() is faster. The difference between that and this - * is that this function does not fold the denominator into a smaller form. - * - * @see self::_slidingWindow() - * @access private - * @param array $x - * @param array $n - * @return array - */ - private static function _regularBarrett($x, $n) - { - static $cache = array( - self::VARIABLE => array(), - self::DATA => array() - ); - - $n_length = count($n); - - if (count($x) > 2 * $n_length) { - $lhs = new static(); - $rhs = new static(); - $lhs->value = $x; - $rhs->value = $n; - list(, $temp) = $lhs->divide($rhs); - return $temp->value; - } - - if (($key = array_search($n, $cache[self::VARIABLE])) === false) { - $key = count($cache[self::VARIABLE]); - $cache[self::VARIABLE][] = $n; - $lhs = new static(); - $lhs_value = &$lhs->value; - $lhs_value = self::_array_repeat(0, 2 * $n_length); - $lhs_value[] = 1; - $rhs = new static(); - $rhs->value = $n; - list($temp, ) = $lhs->divide($rhs); // m.length - $cache[self::DATA][] = $temp->value; - } - - // 2 * m.length - (m.length - 1) = m.length + 1 - $temp = array_slice($x, $n_length - 1); - // (m.length + 1) + m.length = 2 * m.length + 1 - $temp = self::_multiply($temp, false, $cache[self::DATA][$key], false); - // (2 * m.length + 1) - (m.length - 1) = m.length + 2 - $temp = array_slice($temp[self::VALUE], $n_length + 1); - - // m.length + 1 - $result = array_slice($x, 0, $n_length + 1); - // m.length + 1 - $temp = self::_multiplyLower($temp, false, $n, false, $n_length + 1); - // $temp == array_slice(self::_multiply($temp, false, $n, false)->value, 0, $n_length + 1) - - if (self::_compare($result, false, $temp[self::VALUE], $temp[self::SIGN]) < 0) { - $corrector_value = self::_array_repeat(0, $n_length + 1); - $corrector_value[count($corrector_value)] = 1; - $result = self::_add($result, false, $corrector_value, false); - $result = $result[self::VALUE]; - } - - // at this point, we're subtracting a number with m.length + 1 digits from another number with m.length + 1 digits - $result = self::_subtract($result, false, $temp[self::VALUE], $temp[self::SIGN]); - while (self::_compare($result[self::VALUE], $result[self::SIGN], $n, false) > 0) { - $result = self::_subtract($result[self::VALUE], $result[self::SIGN], $n, false); - } - - return $result[self::VALUE]; - } - - /** - * Performs long multiplication up to $stop digits - * - * If you're going to be doing array_slice($product->value, 0, $stop), some cycles can be saved. - * - * @see self::_regularBarrett() - * @param array $x_value - * @param bool $x_negative - * @param array $y_value - * @param bool $y_negative - * @param int $stop - * @return array - * @access private - */ - private static function _multiplyLower($x_value, $x_negative, $y_value, $y_negative, $stop) - { - $x_length = count($x_value); - $y_length = count($y_value); - - if (!$x_length || !$y_length) { // a 0 is being multiplied - return array( - self::VALUE => array(), - self::SIGN => false - ); - } - - if ($x_length < $y_length) { - $temp = $x_value; - $x_value = $y_value; - $y_value = $temp; - - $x_length = count($x_value); - $y_length = count($y_value); - } - - $product_value = self::_array_repeat(0, $x_length + $y_length); - - // the following for loop could be removed if the for loop following it - // (the one with nested for loops) initially set $i to 0, but - // doing so would also make the result in one set of unnecessary adds, - // since on the outermost loops first pass, $product->value[$k] is going - // to always be 0 - - $carry = 0; - - for ($j = 0; $j < $x_length; ++$j) { // ie. $i = 0, $k = $i - $temp = $x_value[$j] * $y_value[0] + $carry; // $product_value[$k] == 0 - $carry = self::$base === 26 ? intval($temp / 0x4000000) : ($temp >> 31); - $product_value[$j] = (int) ($temp - self::$baseFull * $carry); - } - - if ($j < $stop) { - $product_value[$j] = $carry; - } - - // the above for loop is what the previous comment was talking about. the - // following for loop is the "one with nested for loops" - - for ($i = 1; $i < $y_length; ++$i) { - $carry = 0; - - for ($j = 0, $k = $i; $j < $x_length && $k < $stop; ++$j, ++$k) { - $temp = $product_value[$k] + $x_value[$j] * $y_value[$i] + $carry; - $carry = self::$base === 26 ? intval($temp / 0x4000000) : ($temp >> 31); - $product_value[$k] = (int) ($temp - self::$baseFull * $carry); - } - - if ($k < $stop) { - $product_value[$k] = $carry; - } - } - - return array( - self::VALUE => self::_trim($product_value), - self::SIGN => $x_negative != $y_negative - ); - } - - /** - * Montgomery Modular Reduction - * - * ($x->_prepMontgomery($n))->_montgomery($n) yields $x % $n. - * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=170 MPM 6.3} provides insights on how this can be - * improved upon (basically, by using the comba method). gcd($n, 2) must be equal to one for this function - * to work correctly. - * - * @see self::_prepMontgomery() - * @see self::_slidingWindow() - * @access private - * @param array $x - * @param array $n - * @return array - */ - private static function _montgomery($x, $n) - { - static $cache = array( - self::VARIABLE => array(), - self::DATA => array() - ); - - if (($key = array_search($n, $cache[self::VARIABLE])) === false) { - $key = count($cache[self::VARIABLE]); - $cache[self::VARIABLE][] = $x; - $cache[self::DATA][] = self::_modInverse67108864($n); - } - - $k = count($n); - - $result = array(self::VALUE => $x); - - for ($i = 0; $i < $k; ++$i) { - $temp = $result[self::VALUE][$i] * $cache[self::DATA][$key]; - $temp = $temp - self::$baseFull * (self::$base === 26 ? intval($temp / 0x4000000) : ($temp >> 31)); - $temp = self::_regularMultiply(array($temp), $n); - $temp = array_merge($this->_array_repeat(0, $i), $temp); - $result = self::_add($result[self::VALUE], false, $temp, false); - } - - $result[self::VALUE] = array_slice($result[self::VALUE], $k); - - if (self::_compare($result, false, $n, false) >= 0) { - $result = self::_subtract($result[self::VALUE], false, $n, false); - } - - return $result[self::VALUE]; - } - - /** - * Montgomery Multiply - * - * Interleaves the montgomery reduction and long multiplication algorithms together as described in - * {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=13 HAC 14.36} - * - * @see self::_prepMontgomery() - * @see self::_montgomery() - * @access private - * @param array $x - * @param array $y - * @param array $m - * @return array - */ - private static function _montgomeryMultiply($x, $y, $m) - { - $temp = self::_multiply($x, false, $y, false); - return self::_montgomery($temp[self::VALUE], $m); - - // the following code, although not callable, can be run independently of the above code - // although the above code performed better in my benchmarks the following could might - // perform better under different circumstances. in lieu of deleting it it's just been - // made uncallable - - static $cache = array( - self::VARIABLE => array(), - self::DATA => array() - ); - - if (($key = array_search($m, $cache[self::VARIABLE])) === false) { - $key = count($cache[self::VARIABLE]); - $cache[self::VARIABLE][] = $m; - $cache[self::DATA][] = self::_modInverse67108864($m); - } - - $n = max(count($x), count($y), count($m)); - $x = array_pad($x, $n, 0); - $y = array_pad($y, $n, 0); - $m = array_pad($m, $n, 0); - $a = array(self::VALUE => self::_array_repeat(0, $n + 1)); - for ($i = 0; $i < $n; ++$i) { - $temp = $a[self::VALUE][0] + $x[$i] * $y[0]; - $temp = $temp - self::$baseFull * (self::$base === 26 ? intval($temp / 0x4000000) : ($temp >> 31)); - $temp = $temp * $cache[self::DATA][$key]; - $temp = $temp - self::$baseFull * (self::$base === 26 ? intval($temp / 0x4000000) : ($temp >> 31)); - $temp = self::_add(self::_regularMultiply(array($x[$i]), $y), false, self::_regularMultiply(array($temp), $m), false); - $a = self::_add($a[self::VALUE], false, $temp[self::VALUE], false); - $a[self::VALUE] = array_slice($a[self::VALUE], 1); - } - if (self::_compare($a[self::VALUE], false, $m, false) >= 0) { - $a = self::_subtract($a[self::VALUE], false, $m, false); - } - return $a[self::VALUE]; - } - - /** - * Prepare a number for use in Montgomery Modular Reductions - * - * @see self::_montgomery() - * @see self::_slidingWindow() - * @access private - * @param array $x - * @param array $n - * @return array - */ - private static function _prepMontgomery($x, $n) - { - $lhs = new static(); - $lhs->value = array_merge(self::_array_repeat(0, count($n)), $x); - $rhs = new static(); - $rhs->value = $n; - - list(, $temp) = $lhs->divide($rhs); - return $temp->value; - } - - /** - * Modular Inverse of a number mod 2**26 (eg. 67108864) - * - * Based off of the bnpInvDigit function implemented and justified in the following URL: - * - * {@link http://www-cs-students.stanford.edu/~tjw/jsbn/jsbn.js} - * - * The following URL provides more info: - * - * {@link http://groups.google.com/group/sci.crypt/msg/7a137205c1be7d85} - * - * As for why we do all the bitmasking... strange things can happen when converting from floats to ints. For - * instance, on some computers, var_dump((int) -4294967297) yields int(-1) and on others, it yields - * int(-2147483648). To avoid problems stemming from this, we use bitmasks to guarantee that ints aren't - * auto-converted to floats. The outermost bitmask is present because without it, there's no guarantee that - * the "residue" returned would be the so-called "common residue". We use fmod, in the last step, because the - * maximum possible $x is 26 bits and the maximum $result is 16 bits. Thus, we have to be able to handle up to - * 40 bits, which only 64-bit floating points will support. - * - * Thanks to Pedro Gimeno Fortea for input! - * - * @see self::_montgomery() - * @access private - * @param array $x - * @return int - */ - private function _modInverse67108864($x) // 2**26 == 67,108,864 - { - $x = -$x[0]; - $result = $x & 0x3; // x**-1 mod 2**2 - $result = ($result * (2 - $x * $result)) & 0xF; // x**-1 mod 2**4 - $result = ($result * (2 - ($x & 0xFF) * $result)) & 0xFF; // x**-1 mod 2**8 - $result = ($result * ((2 - ($x & 0xFFFF) * $result) & 0xFFFF)) & 0xFFFF; // x**-1 mod 2**16 - $result = fmod($result * (2 - fmod($x * $result, self::$baseFull)), self::$baseFull); // x**-1 mod 2**26 - return $result & self::$maxDigit; - } - - /** - * Calculates modular inverses. - * - * Say you have (30 mod 17 * x mod 17) mod 17 == 1. x can be found using modular inverses. - * - * Here's an example: - * - * modInverse($b); - * echo $c->toString(); // outputs 4 - * - * echo "\r\n"; - * - * $d = $a->multiply($c); - * list(, $d) = $d->divide($b); - * echo $d; // outputs 1 (as per the definition of modular inverse) - * ?> - * - * - * @param \phpseclib\Math\BigInteger $n - * @return \phpseclib\Math\BigInteger|false - * @access public - * @internal See {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=21 HAC 14.64} for more information. - */ - public function modInverse(BigInteger $n) - { - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - $temp = new static(); - $temp->value = gmp_invert($this->value, $n->value); - - return ($temp->value === false) ? false : $this->_normalize($temp); - } - - static $zero, $one; - if (!isset($zero)) { - $zero = new static(); - $one = new static(1); - } - - // $x mod -$n == $x mod $n. - $n = $n->abs(); - - if ($this->compare($zero) < 0) { - $temp = $this->abs(); - $temp = $temp->modInverse($n); - return $this->_normalize($n->subtract($temp)); - } - - extract($this->extendedGCD($n)); - - if (!$gcd->equals($one)) { - return false; - } - - $x = $x->compare($zero) < 0 ? $x->add($n) : $x; - - return $this->compare($zero) < 0 ? $this->_normalize($n->subtract($x)) : $this->_normalize($x); - } - - /** - * Calculates the greatest common divisor and Bezout's identity. - * - * Say you have 693 and 609. The GCD is 21. Bezout's identity states that there exist integers x and y such that - * 693*x + 609*y == 21. In point of fact, there are actually an infinite number of x and y combinations and which - * combination is returned is dependent upon which mode is in use. See - * {@link http://en.wikipedia.org/wiki/B%C3%A9zout%27s_identity Bezout's identity - Wikipedia} for more information. - * - * Here's an example: - * - * extendedGCD($b)); - * - * echo $gcd->toString() . "\r\n"; // outputs 21 - * echo $a->toString() * $x->toString() + $b->toString() * $y->toString(); // outputs 21 - * ?> - * - * - * @param \phpseclib\Math\BigInteger $n - * @return \phpseclib\Math\BigInteger - * @access public - * @internal Calculates the GCD using the binary xGCD algorithim described in - * {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=19 HAC 14.61}. As the text above 14.61 notes, - * the more traditional algorithim requires "relatively costly multiple-precision divisions". - */ - public function extendedGCD(BigInteger $n) - { - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - extract(gmp_gcdext($this->value, $n->value)); - - return array( - 'gcd' => $this->_normalize(new static($g)), - 'x' => $this->_normalize(new static($s)), - 'y' => $this->_normalize(new static($t)) - ); - case self::MODE_BCMATH: - // it might be faster to use the binary xGCD algorithim here, as well, but (1) that algorithim works - // best when the base is a power of 2 and (2) i don't think it'd make much difference, anyway. as is, - // the basic extended euclidean algorithim is what we're using. - - $u = $this->value; - $v = $n->value; - - $a = '1'; - $b = '0'; - $c = '0'; - $d = '1'; - - while (bccomp($v, '0', 0) != 0) { - $q = bcdiv($u, $v, 0); - - $temp = $u; - $u = $v; - $v = bcsub($temp, bcmul($v, $q, 0), 0); - - $temp = $a; - $a = $c; - $c = bcsub($temp, bcmul($a, $q, 0), 0); - - $temp = $b; - $b = $d; - $d = bcsub($temp, bcmul($b, $q, 0), 0); - } - - return array( - 'gcd' => $this->_normalize(new static($u)), - 'x' => $this->_normalize(new static($a)), - 'y' => $this->_normalize(new static($b)) - ); - } - - $y = clone $n; - $x = clone $this; - $g = new static(); - $g->value = array(1); - - while (!(($x->value[0] & 1)|| ($y->value[0] & 1))) { - $x->_rshift(1); - $y->_rshift(1); - $g->_lshift(1); - } - - $u = clone $x; - $v = clone $y; - - $a = new static(); - $b = new static(); - $c = new static(); - $d = new static(); - - $a->value = $d->value = $g->value = array(1); - $b->value = $c->value = array(); - - while (!empty($u->value)) { - while (!($u->value[0] & 1)) { - $u->_rshift(1); - if ((!empty($a->value) && ($a->value[0] & 1)) || (!empty($b->value) && ($b->value[0] & 1))) { - $a = $a->add($y); - $b = $b->subtract($x); - } - $a->_rshift(1); - $b->_rshift(1); - } - - while (!($v->value[0] & 1)) { - $v->_rshift(1); - if ((!empty($d->value) && ($d->value[0] & 1)) || (!empty($c->value) && ($c->value[0] & 1))) { - $c = $c->add($y); - $d = $d->subtract($x); - } - $c->_rshift(1); - $d->_rshift(1); - } - - if ($u->compare($v) >= 0) { - $u = $u->subtract($v); - $a = $a->subtract($c); - $b = $b->subtract($d); - } else { - $v = $v->subtract($u); - $c = $c->subtract($a); - $d = $d->subtract($b); - } - } - - return array( - 'gcd' => $this->_normalize($g->multiply($v)), - 'x' => $this->_normalize($c), - 'y' => $this->_normalize($d) - ); - } - - /** - * Calculates the greatest common divisor - * - * Say you have 693 and 609. The GCD is 21. - * - * Here's an example: - * - * extendedGCD($b); - * - * echo $gcd->toString() . "\r\n"; // outputs 21 - * ?> - * - * - * @param \phpseclib\Math\BigInteger $n - * @return \phpseclib\Math\BigInteger - * @access public - */ - public function gcd(BigInteger $n) - { - extract($this->extendedGCD($n)); - return $gcd; - } - - /** - * Absolute value. - * - * @return \phpseclib\Math\BigInteger - * @access public - */ - public function abs() - { - $temp = new static(); - - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - $temp->value = gmp_abs($this->value); - break; - case self::MODE_BCMATH: - $temp->value = (bccomp($this->value, '0', 0) < 0) ? substr($this->value, 1) : $this->value; - break; - default: - $temp->value = $this->value; - } - - return $temp; - } - - /** - * Compares two numbers. - * - * Although one might think !$x->compare($y) means $x != $y, it, in fact, means the opposite. The reason for this is - * demonstrated thusly: - * - * $x > $y: $x->compare($y) > 0 - * $x < $y: $x->compare($y) < 0 - * $x == $y: $x->compare($y) == 0 - * - * Note how the same comparison operator is used. If you want to test for equality, use $x->equals($y). - * - * @param \phpseclib\Math\BigInteger $y - * @return int < 0 if $this is less than $y; > 0 if $this is greater than $y, and 0 if they are equal. - * @access public - * @see self::equals() - * @internal Could return $this->subtract($x), but that's not as fast as what we do do. - */ - public function compare(BigInteger $y) - { - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - return gmp_cmp($this->value, $y->value); - case self::MODE_BCMATH: - return bccomp($this->value, $y->value, 0); - } - - return self::_compare($this->value, $this->is_negative, $y->value, $y->is_negative); - } - - /** - * Compares two numbers. - * - * @param array $x_value - * @param bool $x_negative - * @param array $y_value - * @param bool $y_negative - * @return int - * @see self::compare() - * @access private - */ - private static function _compare($x_value, $x_negative, $y_value, $y_negative) - { - if ($x_negative != $y_negative) { - return (!$x_negative && $y_negative) ? 1 : -1; - } - - $result = $x_negative ? -1 : 1; - - if (count($x_value) != count($y_value)) { - return (count($x_value) > count($y_value)) ? $result : -$result; - } - $size = max(count($x_value), count($y_value)); - - $x_value = array_pad($x_value, $size, 0); - $y_value = array_pad($y_value, $size, 0); - - for ($i = count($x_value) - 1; $i >= 0; --$i) { - if ($x_value[$i] != $y_value[$i]) { - return ($x_value[$i] > $y_value[$i]) ? $result : -$result; - } - } - - return 0; - } - - /** - * Tests the equality of two numbers. - * - * If you need to see if one number is greater than or less than another number, use BigInteger::compare() - * - * @param \phpseclib\Math\BigInteger $x - * @return bool - * @access public - * @see self::compare() - */ - public function equals(BigInteger $x) - { - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - return gmp_cmp($this->value, $x->value) == 0; - default: - return $this->value === $x->value && $this->is_negative == $x->is_negative; - } - } - - /** - * Set Precision - * - * Some bitwise operations give different results depending on the precision being used. Examples include left - * shift, not, and rotates. - * - * @param int $bits - * @access public - */ - public function setPrecision($bits) - { - if ($bits < 1) { - $this->precision = -1; - $this->bitmask = false; - - return; - } - $this->precision = $bits; - if (MATH_BIGINTEGER_MODE != self::MODE_BCMATH) { - $this->bitmask = new static(chr((1 << ($bits & 0x7)) - 1) . str_repeat(chr(0xFF), $bits >> 3), 256); - } else { - $this->bitmask = new static(bcpow('2', $bits, 0)); - } - - $temp = $this->_normalize($this); - $this->value = $temp->value; - } - - /** - * Get Precision - * - * @return int - * @see self::setPrecision() - * @access public - */ - public function getPrecision() - { - return $this->precision; - } - - /** - * Logical And - * - * @param \phpseclib\Math\BigInteger $x - * @access public - * @internal Implemented per a request by Lluis Pamies i Juarez - * @return \phpseclib\Math\BigInteger - */ - public function bitwise_and(BigInteger $x) - { - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - $temp = new static(); - $temp->value = gmp_and($this->value, $x->value); - - return $this->_normalize($temp); - case self::MODE_BCMATH: - $left = $this->toBytes(); - $right = $x->toBytes(); - - $length = max(strlen($left), strlen($right)); - - $left = str_pad($left, $length, chr(0), STR_PAD_LEFT); - $right = str_pad($right, $length, chr(0), STR_PAD_LEFT); - - return $this->_normalize(new static($left & $right, 256)); - } - - $result = clone $this; - - $length = min(count($x->value), count($this->value)); - - $result->value = array_slice($result->value, 0, $length); - - for ($i = 0; $i < $length; ++$i) { - $result->value[$i]&= $x->value[$i]; - } - - return $this->_normalize($result); - } - - /** - * Logical Or - * - * @param \phpseclib\Math\BigInteger $x - * @access public - * @internal Implemented per a request by Lluis Pamies i Juarez - * @return \phpseclib\Math\BigInteger - */ - public function bitwise_or(BigInteger $x) - { - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - $temp = new static(); - $temp->value = gmp_or($this->value, $x->value); - - return $this->_normalize($temp); - case self::MODE_BCMATH: - $left = $this->toBytes(); - $right = $x->toBytes(); - - $length = max(strlen($left), strlen($right)); - - $left = str_pad($left, $length, chr(0), STR_PAD_LEFT); - $right = str_pad($right, $length, chr(0), STR_PAD_LEFT); - - return $this->_normalize(new static($left | $right, 256)); - } - - $length = max(count($this->value), count($x->value)); - $result = clone $this; - $result->value = array_pad($result->value, $length, 0); - $x->value = array_pad($x->value, $length, 0); - - for ($i = 0; $i < $length; ++$i) { - $result->value[$i]|= $x->value[$i]; - } - - return $this->_normalize($result); - } - - /** - * Logical Exclusive-Or - * - * @param \phpseclib\Math\BigInteger $x - * @access public - * @internal Implemented per a request by Lluis Pamies i Juarez - * @return \phpseclib\Math\BigInteger - */ - public function bitwise_xor(BigInteger $x) - { - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - $temp = new static(); - $temp->value = gmp_xor($this->value, $x->value); - - return $this->_normalize($temp); - case self::MODE_BCMATH: - $left = $this->toBytes(); - $right = $x->toBytes(); - - $length = max(strlen($left), strlen($right)); - - $left = str_pad($left, $length, chr(0), STR_PAD_LEFT); - $right = str_pad($right, $length, chr(0), STR_PAD_LEFT); - - return $this->_normalize(new static($left ^ $right, 256)); - } - - $length = max(count($this->value), count($x->value)); - $result = clone $this; - $result->value = array_pad($result->value, $length, 0); - $x->value = array_pad($x->value, $length, 0); - - for ($i = 0; $i < $length; ++$i) { - $result->value[$i]^= $x->value[$i]; - } - - return $this->_normalize($result); - } - - /** - * Logical Not - * - * @access public - * @internal Implemented per a request by Lluis Pamies i Juarez - * @return \phpseclib\Math\BigInteger - */ - public function bitwise_not() - { - // calculuate "not" without regard to $this->precision - // (will always result in a smaller number. ie. ~1 isn't 1111 1110 - it's 0) - $temp = $this->toBytes(); - if ($temp == '') { - return ''; - } - $pre_msb = decbin(ord($temp[0])); - $temp = ~$temp; - $msb = decbin(ord($temp[0])); - if (strlen($msb) == 8) { - $msb = substr($msb, strpos($msb, '0')); - } - $temp[0] = chr(bindec($msb)); - - // see if we need to add extra leading 1's - $current_bits = strlen($pre_msb) + 8 * strlen($temp) - 8; - $new_bits = $this->precision - $current_bits; - if ($new_bits <= 0) { - return $this->_normalize(new static($temp, 256)); - } - - // generate as many leading 1's as we need to. - $leading_ones = chr((1 << ($new_bits & 0x7)) - 1) . str_repeat(chr(0xFF), $new_bits >> 3); - - self::_base256_lshift($leading_ones, $current_bits); - - $temp = str_pad($temp, strlen($leading_ones), chr(0), STR_PAD_LEFT); - - return $this->_normalize(new static($leading_ones | $temp, 256)); - } - - /** - * Logical Right Shift - * - * Shifts BigInteger's by $shift bits, effectively dividing by 2**$shift. - * - * @param int $shift - * @return \phpseclib\Math\BigInteger - * @access public - * @internal The only version that yields any speed increases is the internal version. - */ - public function bitwise_rightShift($shift) - { - $temp = new static(); - - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - static $two; - - if (!isset($two)) { - $two = gmp_init('2'); - } - - $temp->value = gmp_div_q($this->value, gmp_pow($two, $shift)); - - break; - case self::MODE_BCMATH: - $temp->value = bcdiv($this->value, bcpow('2', $shift, 0), 0); - - break; - default: // could just replace _lshift with this, but then all _lshift() calls would need to be rewritten - // and I don't want to do that... - $temp->value = $this->value; - $temp->_rshift($shift); - } - - return $this->_normalize($temp); - } - - /** - * Logical Left Shift - * - * Shifts BigInteger's by $shift bits, effectively multiplying by 2**$shift. - * - * @param int $shift - * @return \phpseclib\Math\BigInteger - * @access public - * @internal The only version that yields any speed increases is the internal version. - */ - public function bitwise_leftShift($shift) - { - $temp = new static(); - - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - static $two; - - if (!isset($two)) { - $two = gmp_init('2'); - } - - $temp->value = gmp_mul($this->value, gmp_pow($two, $shift)); - - break; - case self::MODE_BCMATH: - $temp->value = bcmul($this->value, bcpow('2', $shift, 0), 0); - - break; - default: // could just replace _rshift with this, but then all _lshift() calls would need to be rewritten - // and I don't want to do that... - $temp->value = $this->value; - $temp->_lshift($shift); - } - - return $this->_normalize($temp); - } - - /** - * Logical Left Rotate - * - * Instead of the top x bits being dropped they're appended to the shifted bit string. - * - * @param int $shift - * @return \phpseclib\Math\BigInteger - * @access public - */ - public function bitwise_leftRotate($shift) - { - $bits = $this->toBytes(); - - if ($this->precision > 0) { - $precision = $this->precision; - if (MATH_BIGINTEGER_MODE == self::MODE_BCMATH) { - $mask = $this->bitmask->subtract(new static(1)); - $mask = $mask->toBytes(); - } else { - $mask = $this->bitmask->toBytes(); - } - } else { - $temp = ord($bits[0]); - for ($i = 0; $temp >> $i; ++$i) { - } - $precision = 8 * strlen($bits) - 8 + $i; - $mask = chr((1 << ($precision & 0x7)) - 1) . str_repeat(chr(0xFF), $precision >> 3); - } - - if ($shift < 0) { - $shift+= $precision; - } - $shift%= $precision; - - if (!$shift) { - return clone $this; - } - - $left = $this->bitwise_leftShift($shift); - $left = $left->bitwise_and(new static($mask, 256)); - $right = $this->bitwise_rightShift($precision - $shift); - $result = MATH_BIGINTEGER_MODE != self::MODE_BCMATH ? $left->bitwise_or($right) : $left->add($right); - return $this->_normalize($result); - } - - /** - * Logical Right Rotate - * - * Instead of the bottom x bits being dropped they're prepended to the shifted bit string. - * - * @param int $shift - * @return \phpseclib\Math\BigInteger - * @access public - */ - public function bitwise_rightRotate($shift) - { - return $this->bitwise_leftRotate(-$shift); - } - - /** - * Returns the smallest and largest n-bit number - * - * @param int $bits - * @return \phpseclib\Math\BigInteger - * @access public - */ - public static function minMaxBits($bits) - { - $bytes = $bits >> 3; - $min = str_repeat(chr(0), $bytes); - $max = str_repeat(chr(0xFF), $bytes); - $msb = $bits & 7; - if ($msb) { - $min = chr(1 << ($msb - 1)) . $min; - $max = chr((1 << $msb) - 1) . $max; - } else { - $min[0] = chr(0x80); - } - return array( - 'min' => new static($min, 256), - 'max' => new static($max, 256) - ); - } - - /** - * Generates a random number of a certain size - * - * Bit length is equal to $size. - * - * @param int $size - * @return \phpseclib\Math\BigInteger - * @access public - */ - public static function random($size) - { - extract(self::minMaxBits($size)); - return self::randomRange($min, $max); - } - - /** - * Generate a random number between a range - * - * Returns a random number between $min and $max where $min and $max - * can be defined using one of the two methods: - * - * BigInteger::randomRange($min, $max) - * BigInteger::randomRange($max, $min) - * - * @param \phpseclib\Math\BigInteger $arg1 - * @param \phpseclib\Math\BigInteger $arg2 - * @return \phpseclib\Math\BigInteger - * @access public - */ - public static function randomRange(BigInteger $min, BigInteger $max) - { - $compare = $max->compare($min); - - if (!$compare) { - return $min; - } elseif ($compare < 0) { - // if $min is bigger then $max, swap $min and $max - $temp = $max; - $max = $min; - $min = $temp; - } - - static $one; - if (!isset($one)) { - $one = new static(1); - } - - $max = $max->subtract($min->subtract($one)); - - $size = strlen(ltrim($max->toBytes(), chr(0))); - - /* - doing $random % $max doesn't work because some numbers will be more likely to occur than others. - eg. if $max is 140 and $random's max is 255 then that'd mean both $random = 5 and $random = 145 - would produce 5 whereas the only value of random that could produce 139 would be 139. ie. - not all numbers would be equally likely. some would be more likely than others. - - creating a whole new random number until you find one that is within the range doesn't work - because, for sufficiently small ranges, the likelihood that you'd get a number within that range - would be pretty small. eg. with $random's max being 255 and if your $max being 1 the probability - would be pretty high that $random would be greater than $max. - - phpseclib works around this using the technique described here: - - http://crypto.stackexchange.com/questions/5708/creating-a-small-number-from-a-cryptographically-secure-random-string - */ - $random_max = new static(chr(1) . str_repeat("\0", $size), 256); - $random = new static(Random::string($size), 256); - - list($max_multiple) = $random_max->divide($max); - $max_multiple = $max_multiple->multiply($max); - - while ($random->compare($max_multiple) >= 0) { - $random = $random->subtract($max_multiple); - $random_max = $random_max->subtract($max_multiple); - $random = $random->bitwise_leftShift(8); - $random = $random->add(new static(Random::string(1), 256)); - $random_max = $random_max->bitwise_leftShift(8); - list($max_multiple) = $random_max->divide($max); - $max_multiple = $max_multiple->multiply($max); - } - list(, $random) = $random->divide($max); - - return $random->add($min); - } - - /** - * Generates a random prime number of a certain size - * - * Bit length is equal to $size - * - * @param int $size - * @return \phpseclib\Math\BigInteger - * @access public - */ - public static function randomPrime($size) - { - extract(self::minMaxBits($size)); - return self::randomRangePrime($min, $max); - } - - /** - * Generate a random prime number between a range - * - * If there's not a prime within the given range, false will be returned. - * - * @param \phpseclib\Math\BigInteger $min - * @param \phpseclib\Math\BigInteger $max - * @return Math_BigInteger|false - * @access public - * @internal See {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap4.pdf#page=15 HAC 4.44}. - */ - public static function randomRangePrime(BigInteger $min, BigInteger $max) - { - $compare = $max->compare($min); - - if (!$compare) { - return $min->isPrime() ? $min : false; - } elseif ($compare < 0) { - // if $min is bigger then $max, swap $min and $max - $temp = $max; - $max = $min; - $min = $temp; - } - - static $one, $two; - if (!isset($one)) { - $one = new static(1); - $two = new static(2); - } - - $x = self::randomRange($min, $max); - - // gmp_nextprime() requires PHP 5 >= 5.2.0 per . - if (MATH_BIGINTEGER_MODE == self::MODE_GMP && extension_loaded('gmp')) { - $p = new static(); - $p->value = gmp_nextprime($x->value); - - if ($p->compare($max) <= 0) { - return $p; - } - - if (!$min->equals($x)) { - $x = $x->subtract($one); - } - - return self::randomRangePrime($min, $x); - } - - if ($x->equals($two)) { - return $x; - } - - $x->_make_odd(); - if ($x->compare($max) > 0) { - // if $x > $max then $max is even and if $min == $max then no prime number exists between the specified range - if ($min->equals($max)) { - return false; - } - $x = clone $min; - $x->_make_odd(); - } - - $initial_x = clone $x; - - while (true) { - if ($x->isPrime()) { - return $x; - } - - $x = $x->add($two); - - if ($x->compare($max) > 0) { - $x = clone $min; - if ($x->equals($two)) { - return $x; - } - $x->_make_odd(); - } - - if ($x->equals($initial_x)) { - return false; - } - } - } - - /** - * Make the current number odd - * - * If the current number is odd it'll be unchanged. If it's even, one will be added to it. - * - * @see self::randomPrime() - * @access private - */ - private function _make_odd() - { - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - gmp_setbit($this->value, 0); - break; - case self::MODE_BCMATH: - if ($this->value[strlen($this->value) - 1] % 2 == 0) { - $this->value = bcadd($this->value, '1'); - } - break; - default: - $this->value[0] |= 1; - } - } - - /** - * Checks a numer to see if it's prime - * - * Assuming the $t parameter is not set, this function has an error rate of 2**-80. The main motivation for the - * $t parameter is distributability. BigInteger::randomPrime() can be distributed across multiple pageloads - * on a website instead of just one. - * - * @param \phpseclib\Math\BigInteger $t - * @return bool - * @access public - * @internal Uses the - * {@link http://en.wikipedia.org/wiki/Miller%E2%80%93Rabin_primality_test Miller-Rabin primality test}. See - * {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap4.pdf#page=8 HAC 4.24}. - */ - public function isPrime($t = false) - { - $length = strlen($this->toBytes()); - - if (!$t) { - // see HAC 4.49 "Note (controlling the error probability)" - // @codingStandardsIgnoreStart - if ($length >= 163) { $t = 2; } // floor(1300 / 8) - else if ($length >= 106) { $t = 3; } // floor( 850 / 8) - else if ($length >= 81 ) { $t = 4; } // floor( 650 / 8) - else if ($length >= 68 ) { $t = 5; } // floor( 550 / 8) - else if ($length >= 56 ) { $t = 6; } // floor( 450 / 8) - else if ($length >= 50 ) { $t = 7; } // floor( 400 / 8) - else if ($length >= 43 ) { $t = 8; } // floor( 350 / 8) - else if ($length >= 37 ) { $t = 9; } // floor( 300 / 8) - else if ($length >= 31 ) { $t = 12; } // floor( 250 / 8) - else if ($length >= 25 ) { $t = 15; } // floor( 200 / 8) - else if ($length >= 18 ) { $t = 18; } // floor( 150 / 8) - else { $t = 27; } - // @codingStandardsIgnoreEnd - } - - // ie. gmp_testbit($this, 0) - // ie. isEven() or !isOdd() - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - return gmp_prob_prime($this->value, $t) != 0; - case self::MODE_BCMATH: - if ($this->value === '2') { - return true; - } - if ($this->value[strlen($this->value) - 1] % 2 == 0) { - return false; - } - break; - default: - if ($this->value == array(2)) { - return true; - } - if (~$this->value[0] & 1) { - return false; - } - } - - static $primes, $zero, $one, $two; - - if (!isset($primes)) { - $primes = array( - 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, - 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, - 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, - 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 307, 311, 313, - 317, 331, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 401, 409, 419, - 421, 431, 433, 439, 443, 449, 457, 461, 463, 467, 479, 487, 491, 499, 503, 509, - 521, 523, 541, 547, 557, 563, 569, 571, 577, 587, 593, 599, 601, 607, 613, 617, - 619, 631, 641, 643, 647, 653, 659, 661, 673, 677, 683, 691, 701, 709, 719, 727, - 733, 739, 743, 751, 757, 761, 769, 773, 787, 797, 809, 811, 821, 823, 827, 829, - 839, 853, 857, 859, 863, 877, 881, 883, 887, 907, 911, 919, 929, 937, 941, 947, - 953, 967, 971, 977, 983, 991, 997 - ); - - if (MATH_BIGINTEGER_MODE != self::MODE_INTERNAL) { - for ($i = 0; $i < count($primes); ++$i) { - $primes[$i] = new static($primes[$i]); - } - } - - $zero = new static(); - $one = new static(1); - $two = new static(2); - } - - if ($this->equals($one)) { - return false; - } - - // see HAC 4.4.1 "Random search for probable primes" - if (MATH_BIGINTEGER_MODE != self::MODE_INTERNAL) { - foreach ($primes as $prime) { - list(, $r) = $this->divide($prime); - if ($r->equals($zero)) { - return $this->equals($prime); - } - } - } else { - $value = $this->value; - foreach ($primes as $prime) { - list(, $r) = self::_divide_digit($value, $prime); - if (!$r) { - return count($value) == 1 && $value[0] == $prime; - } - } - } - - $n = clone $this; - $n_1 = $n->subtract($one); - $n_2 = $n->subtract($two); - - $r = clone $n_1; - $r_value = $r->value; - // ie. $s = gmp_scan1($n, 0) and $r = gmp_div_q($n, gmp_pow(gmp_init('2'), $s)); - if (MATH_BIGINTEGER_MODE == self::MODE_BCMATH) { - $s = 0; - // if $n was 1, $r would be 0 and this would be an infinite loop, hence our $this->equals($one) check earlier - while ($r->value[strlen($r->value) - 1] % 2 == 0) { - $r->value = bcdiv($r->value, '2', 0); - ++$s; - } - } else { - for ($i = 0, $r_length = count($r_value); $i < $r_length; ++$i) { - $temp = ~$r_value[$i] & 0xFFFFFF; - for ($j = 1; ($temp >> $j) & 1; ++$j) { - } - if ($j != 25) { - break; - } - } - $s = 26 * $i + $j - 1; - $r->_rshift($s); - } - - for ($i = 0; $i < $t; ++$i) { - $a = self::randomRange($two, $n_2); - $y = $a->modPow($r, $n); - - if (!$y->equals($one) && !$y->equals($n_1)) { - for ($j = 1; $j < $s && !$y->equals($n_1); ++$j) { - $y = $y->modPow($two, $n); - if ($y->equals($one)) { - return false; - } - } - - if (!$y->equals($n_1)) { - return false; - } - } - } - return true; - } - - /** - * Logical Left Shift - * - * Shifts BigInteger's by $shift bits. - * - * @param int $shift - * @access private - */ - private function _lshift($shift) - { - if ($shift == 0) { - return; - } - - $num_digits = (int) ($shift / self::$base); - $shift %= self::$base; - $shift = 1 << $shift; - - $carry = 0; - - for ($i = 0; $i < count($this->value); ++$i) { - $temp = $this->value[$i] * $shift + $carry; - $carry = self::$base === 26 ? intval($temp / 0x4000000) : ($temp >> 31); - $this->value[$i] = (int) ($temp - $carry * self::$baseFull); - } - - if ($carry) { - $this->value[count($this->value)] = $carry; - } - - while ($num_digits--) { - array_unshift($this->value, 0); - } - } - - /** - * Logical Right Shift - * - * Shifts BigInteger's by $shift bits. - * - * @param int $shift - * @access private - */ - private function _rshift($shift) - { - if ($shift == 0) { - return; - } - - $num_digits = (int) ($shift / self::$base); - $shift %= self::$base; - $carry_shift = self::$base - $shift; - $carry_mask = (1 << $shift) - 1; - - if ($num_digits) { - $this->value = array_slice($this->value, $num_digits); - } - - $carry = 0; - - for ($i = count($this->value) - 1; $i >= 0; --$i) { - $temp = $this->value[$i] >> $shift | $carry; - $carry = ($this->value[$i] & $carry_mask) << $carry_shift; - $this->value[$i] = $temp; - } - - $this->value = $this->_trim($this->value); - } - - /** - * Normalize - * - * Removes leading zeros and truncates (if necessary) to maintain the appropriate precision - * - * @param \phpseclib\Math\BigInteger - * @return \phpseclib\Math\BigInteger - * @see self::_trim() - * @access private - */ - private function _normalize($result) - { - $result->precision = $this->precision; - $result->bitmask = $this->bitmask; - - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - if ($this->bitmask !== false) { - $result->value = gmp_and($result->value, $result->bitmask->value); - } - - return $result; - case self::MODE_BCMATH: - if (!empty($result->bitmask->value)) { - $result->value = bcmod($result->value, $result->bitmask->value); - } - - return $result; - } - - $value = &$result->value; - - if (!count($value)) { - return $result; - } - - $value = $this->_trim($value); - - if (!empty($result->bitmask->value)) { - $length = min(count($value), count($this->bitmask->value)); - $value = array_slice($value, 0, $length); - - for ($i = 0; $i < $length; ++$i) { - $value[$i] = $value[$i] & $this->bitmask->value[$i]; - } - } - - return $result; - } - - /** - * Trim - * - * Removes leading zeros - * - * @param array $value - * @return \phpseclib\Math\BigInteger - * @access private - */ - private static function _trim($value) - { - for ($i = count($value) - 1; $i >= 0; --$i) { - if ($value[$i]) { - break; - } - unset($value[$i]); - } - - return $value; - } - - /** - * Array Repeat - * - * @param $input Array - * @param $multiplier mixed - * @return array - * @access private - */ - private static function _array_repeat($input, $multiplier) - { - return ($multiplier) ? array_fill(0, $multiplier, $input) : array(); - } - - /** - * Logical Left Shift - * - * Shifts binary strings $shift bits, essentially multiplying by 2**$shift. - * - * @param $x String - * @param $shift Integer - * @return string - * @access private - */ - private static function _base256_lshift(&$x, $shift) - { - if ($shift == 0) { - return; - } - - $num_bytes = $shift >> 3; // eg. floor($shift/8) - $shift &= 7; // eg. $shift % 8 - - $carry = 0; - for ($i = strlen($x) - 1; $i >= 0; --$i) { - $temp = ord($x[$i]) << $shift | $carry; - $x[$i] = chr($temp); - $carry = $temp >> 8; - } - $carry = ($carry != 0) ? chr($carry) : ''; - $x = $carry . $x . str_repeat(chr(0), $num_bytes); - } - - /** - * Logical Right Shift - * - * Shifts binary strings $shift bits, essentially dividing by 2**$shift and returning the remainder. - * - * @param $x String - * @param $shift Integer - * @return string - * @access private - */ - private static function _base256_rshift(&$x, $shift) - { - if ($shift == 0) { - $x = ltrim($x, chr(0)); - return ''; - } - - $num_bytes = $shift >> 3; // eg. floor($shift/8) - $shift &= 7; // eg. $shift % 8 - - $remainder = ''; - if ($num_bytes) { - $start = $num_bytes > strlen($x) ? -strlen($x) : -$num_bytes; - $remainder = substr($x, $start); - $x = substr($x, 0, -$num_bytes); - } - - $carry = 0; - $carry_shift = 8 - $shift; - for ($i = 0; $i < strlen($x); ++$i) { - $temp = (ord($x[$i]) >> $shift) | $carry; - $carry = (ord($x[$i]) << $carry_shift) & 0xFF; - $x[$i] = chr($temp); - } - $x = ltrim($x, chr(0)); - - $remainder = chr($carry >> $carry_shift) . $remainder; - - return ltrim($remainder, chr(0)); - } - - // one quirk about how the following functions are implemented is that PHP defines N to be an unsigned long - // at 32-bits, while java's longs are 64-bits. - - /** - * Converts 32-bit integers to bytes. - * - * @param int $x - * @return string - * @access private - */ - private static function _int2bytes($x) - { - return ltrim(pack('N', $x), chr(0)); - } - - /** - * Converts bytes to 32-bit integers - * - * @param string $x - * @return int - * @access private - */ - private static function _bytes2int($x) - { - $temp = unpack('Nint', str_pad($x, 4, chr(0), STR_PAD_LEFT)); - return $temp['int']; - } - - /** - * Single digit division - * - * Even if int64 is being used the division operator will return a float64 value - * if the dividend is not evenly divisible by the divisor. Since a float64 doesn't - * have the precision of int64 this is a problem so, when int64 is being used, - * we'll guarantee that the dividend is divisible by first subtracting the remainder. - * - * @access private - * @param int $x - * @param int $y - * @return int - */ - private static function _safe_divide($x, $y) - { - if (self::$base === 26) { - return (int) ($x / $y); - } - - // self::$base === 31 - return ($x - ($x % $y)) / $y; - } - - /** - * Calculates the nth root of a biginteger. - * - * Returns the nth root of a positive biginteger, where n defaults to 2 - * - * Here's an example: - * - * root(); - * - * echo $root->toString(); // outputs 25 - * ?> - * - * - * @param \phpseclib\Math\BigInteger $n - * @access public - * @return \phpseclib\Math\BigInteger - * @internal This function is based off of {@link http://mathforum.org/library/drmath/view/52605.html this page} and {@link http://stackoverflow.com/questions/11242920/calculating-nth-root-with-bcmath-in-php this stackoverflow question}. - */ - public function root($n = null) - { - static $zero, $one, $two; - if (!isset($one)) { - $zero = new static(0); - $one = new static(1); - $two = new static(2); - } - if ($n === null) { - $n = $two; - } - if ($n->compare($one) == -1) { - return $zero; - } // we want positive exponents - if ($this->compare($one) == -1) { - return new static(0); - } // we want positive numbers - if ($this->compare($two) == -1) { - return $one; - } // n-th root of 1 or 2 is 1 - - $root = new static(); - if (MATH_BIGINTEGER_MODE == self::MODE_GMP && function_exists('gmp_root')) { - $root->value = gmp_root($this->value, gmp_intval($n->value)); - return $this->_normalize($root); - } - - // g is our guess number - $g = $two; - // while (g^n < num) g=g*2 - while ($g->pow($n)->compare($this) == -1) { - $g = $g->multiply($two); - } - // if (g^n==num) num is a power of 2, we're lucky, end of job - // == 0 bccomp(bcpow($g,$n), $n->value)==0 - if ($g->pow($n)->equals($this)) { - $root = $g; - return $this->_normalize($root); - } - - // if we're here num wasn't a power of 2 :( - $og = $g; // og means original guess and here is our upper bound - $g = $g->divide($two); // g is set to be our lower bound - $g = $g[0]; // g is set to be our lower bound - $step = $og->subtract($g)->divide($two); // step is the half of upper bound - lower bound - $step = $step[0]; // step is the half of upper bound - lower bound - $g = $g->add($step); // we start at lower bound + step , basically in the middle of our interval - - // while step>1 - - while ($step->compare($one) == 1) { - $guess = $g->pow($n); - $step = $step->divide($two); - $step = $step[0]; - $comp = $guess->compare($this); // compare our guess with real number - switch ($comp) { - case -1: // if guess is lower we add the new step - $g = $g->add($step); - break; - case 1: // if guess is higher we sub the new step - $g = $g->subtract($step); - break; - case 0: // if guess is exactly the num we're done, we return the value - $root = $g; - break 2; - } - } - - if ($comp == 1) { - $g = $g->subtract($step); - } - - // whatever happened, g is the closest guess we can make so return it - $root = $g; - - return $this->_normalize($root); - } - - /** - * Performs exponentiation. - * - * @param \phpseclib\Math\BigInteger $n - * @access public - * @return \phpseclib\Math\BigInteger - */ - public function pow($n) - { - $zero = new static(0); - if ($n->compare($zero) == 0) { - return new static(1); - } // n^0 = 1 - - $res = new static(); - switch (MATH_BIGINTEGER_MODE) { - case self::MODE_GMP: - $res->value = gmp_pow($this->value, gmp_intval($n->value)); - - return $this->_normalize($res); - case self::MODE_BCMATH: - $res->value = bcpow($this->value, $n->value); - - return $this->_normalize($res); - default: - $one = new static(1); - $res = $this; - while (!$n->equals($one)) { - $res = $res->multiply($this); - $n = $n->subtract($one); - } - - return $res; - } - } - - /** - * Return the minimum BigInteger between an arbitrary number of BigIntegers. - * - * @param \phpseclib\Math\BigInteger ...$param - * @access public - * @return \phpseclib\Math\BigInteger - */ - public static function min() - { - $args = func_get_args(); - if (count($args) == 1) { - return $args[0]; - } - $min = $args[0]; - for ($i = 1; $i < count($args); $i++) { - $min = $min->compare($args[$i]) > 0 ? $args[$i] : $min; - } - return $min; - } - - /** - * Return the maximum BigInteger between an arbitrary number of BigIntegers. - * - * @param \phpseclib\Math\BigInteger ...$param - * @access public - * @return \phpseclib\Math\BigInteger - */ - public static function max() - { - $args = func_get_args(); - if (count($args) == 1) { - return $args[0]; - } - $max = $args[0]; - for ($i = 1; $i < count($args); $i++) { - $max = $max->compare($args[$i]) < 0 ? $args[$i] : $max; - } - return $max; - } - - /** - * Return the size of a BigInteger in bits - * - * @access public - * @return int - */ - public function getLength() - { - return strlen($this->toBits()); - } - - /** - * Return the size of a BigInteger in bytes - * - * @access public - * @return int - */ - public function getLengthInBytes() - { - return strlen($this->toBytes()); - } - - /** - * Tests BigInteger to see if it is between two integers, inclusive - * - * @param \phpseclib\Math\BigInteger $min - * @param \phpseclib\Math\BigInteger $max - * @access public - * @return boolean - */ - function between(BigInteger $min, BigInteger $max) - { - return $this->compare($min) >= 0 && $this->compare($max) <= 0; - } -} diff --git a/lib/phpaes/phpseclib/Net/SCP.php b/lib/phpaes/phpseclib/Net/SCP.php deleted file mode 100644 index 78d46a0fb9..0000000000 --- a/lib/phpaes/phpseclib/Net/SCP.php +++ /dev/null @@ -1,341 +0,0 @@ - - * login('username', 'password')) { - * exit('bad login'); - * } - * $scp = new \phpseclib\Net\SCP($ssh); - * - * $scp->put('abcd', str_repeat('x', 1024*1024)); - * ?> - * - * - * @category Net - * @package SCP - * @author Jim Wigginton - * @copyright 2010 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Net; - -use phpseclib\Exception\FileNotFoundException; -use phpseclib\Common\Functions\Strings; -use phpseclib\Common\Functions\Objects; - -/** - * Pure-PHP implementations of SCP. - * - * @package SCP - * @author Jim Wigginton - * @access public - */ -class SCP -{ - /**#@+ - * @access public - * @see \phpseclib\Net\SCP::put() - */ - /** - * Reads data from a local file. - */ - const SOURCE_LOCAL_FILE = 1; - /** - * Reads data from a string. - */ - const SOURCE_STRING = 2; - /**#@-*/ - - /**#@+ - * @access private - * @see \phpseclib\Net\SCP::_send() - * @see \phpseclib\Net\SCP::_receive() - */ - /** - * SSH1 is being used. - */ - const MODE_SSH1 = 1; - /** - * SSH2 is being used. - */ - const MODE_SSH2 = 2; - /**#@-*/ - - /** - * SSH Object - * - * @var object - * @access private - */ - private $ssh; - - /** - * Packet Size - * - * @var int - * @access private - */ - private $packet_size; - - /** - * Mode - * - * @var int - * @access private - */ - private $mode; - - /** - * Default Constructor. - * - * Connects to an SSH server - * - * @param \phpseclib\Net\SSH1|\phpseclib\Net\SSH2 $ssh - * @return \phpseclib\Net\SCP - * @access public - */ - public function __construct($ssh) - { - if ($ssh instanceof SSH2) { - $this->mode = self::MODE_SSH2; - } elseif ($ssh instanceof SSH1) { - $this->packet_size = 50000; - $this->mode = self::MODE_SSH1; - } else { - return; - } - - $this->ssh = $ssh; - } - - /** - * Uploads a file to the SCP server. - * - * By default, \phpseclib\Net\SCP::put() does not read from the local filesystem. $data is dumped directly into $remote_file. - * So, for example, if you set $data to 'filename.ext' and then do \phpseclib\Net\SCP::get(), you will get a file, twelve bytes - * long, containing 'filename.ext' as its contents. - * - * Setting $mode to self::SOURCE_LOCAL_FILE will change the above behavior. With self::SOURCE_LOCAL_FILE, $remote_file will - * contain as many bytes as filename.ext does on your local filesystem. If your filename.ext is 1MB then that is how - * large $remote_file will be, as well. - * - * Currently, only binary mode is supported. As such, if the line endings need to be adjusted, you will need to take - * care of that, yourself. - * - * @param string $remote_file - * @param string $data - * @param int $mode - * @param callable $callback - * @throws \phpseclib\Exception\FileNotFoundException if you're uploading via a file and the file doesn't exist - * @return bool - * @access public - */ - public function put($remote_file, $data, $mode = self::SOURCE_STRING, $callback = null) - { - if (!isset($this->ssh)) { - return false; - } - - if (!$this->ssh->exec('scp -t ' . escapeshellarg($remote_file), false)) { // -t = to - return false; - } - - $temp = $this->receive(); - if ($temp !== chr(0)) { - return false; - } - - if ($this->mode == self::MODE_SSH2) { - $this->packet_size = Objects::getVar($this->ssh, 'packet_size_client_to_server')[SSH2::CHANNEL_EXEC] - 4; - } - - $remote_file = basename($remote_file); - - if ($mode == self::SOURCE_STRING) { - $size = strlen($data); - } else { - if (!is_file($data)) { - throw new FileNotFoundException("$data is not a valid file"); - } - - $fp = @fopen($data, 'rb'); - if (!$fp) { - return false; - } - $size = filesize($data); - } - - $this->send('C0644 ' . $size . ' ' . $remote_file . "\n"); - - $temp = $this->receive(); - if ($temp !== chr(0)) { - return false; - } - - $sent = 0; - while ($sent < $size) { - $temp = $mode & self::SOURCE_STRING ? substr($data, $sent, $this->packet_size) : fread($fp, $this->packet_size); - $this->send($temp); - $sent+= strlen($temp); - - if (is_callable($callback)) { - call_user_func($callback, $sent); - } - } - $this->close(); - - if ($mode != self::SOURCE_STRING) { - fclose($fp); - } - - return true; - } - - /** - * Downloads a file from the SCP server. - * - * Returns a string containing the contents of $remote_file if $local_file is left undefined or a boolean false if - * the operation was unsuccessful. If $local_file is defined, returns true or false depending on the success of the - * operation - * - * @param string $remote_file - * @param string $local_file - * @return mixed - * @access public - */ - public function get($remote_file, $local_file = false) - { - if (!isset($this->ssh)) { - return false; - } - - if (!$this->ssh->exec('scp -f ' . escapeshellarg($remote_file), false)) { // -f = from - return false; - } - - $this->send("\0"); - - if (!preg_match('#(?[^ ]+) (?\d+) (?.+)#', rtrim($this->receive()), $info)) { - return false; - } - - $this->send("\0"); - - $size = 0; - - if ($local_file !== false) { - $fp = @fopen($local_file, 'wb'); - if (!$fp) { - return false; - } - } - - $content = ''; - while ($size < $info['size']) { - $data = $this->receive(); - // SCP usually seems to split stuff out into 16k chunks - $size+= strlen($data); - - if ($local_file === false) { - $content.= $data; - } else { - fputs($fp, $data); - } - } - - $this->close(); - - if ($local_file !== false) { - fclose($fp); - return true; - } - - return $content; - } - - /** - * Sends a packet to an SSH server - * - * @param string $data - * @access private - */ - private function send($data) - { - switch ($this->mode) { - case self::MODE_SSH2: - Objects::callFunc($this->ssh, 'send_channel_packet', [SSH2::CHANNEL_EXEC, $data]); - break; - case self::MODE_SSH1: - $data = pack('CNa*', NET_SSH1_CMSG_STDIN_DATA, strlen($data), $data); - Objects::callFunc($this->ssh, 'send_binary_packet', [$data]); - } - } - - /** - * Receives a packet from an SSH server - * - * @return string - * @throws \UnexpectedValueException on receipt of an unexpected packet - * @access private - */ - private function receive() - { - switch ($this->mode) { - case self::MODE_SSH2: - return Objects::callFunc($this->ssh, 'get_channel_packet', [SSH2::CHANNEL_EXEC, true]); - case self::MODE_SSH1: - if (!Objects::getVar($this->ssh, 'bitmap')) { - return false; - } - while (true) { - $response = Objects::getFunc($this->ssh, 'get_binary_packet'); - switch ($response[SSH1::RESPONSE_TYPE]) { - case NET_SSH1_SMSG_STDOUT_DATA: - if (strlen($response[SSH1::RESPONSE_DATA]) < 4) { - return false; - } - extract(unpack('Nlength', $response[SSH1::RESPONSE_DATA])); - return Strings::shift($response[SSH1::RESPONSE_DATA], $length); - case NET_SSH1_SMSG_STDERR_DATA: - break; - case NET_SSH1_SMSG_EXITSTATUS: - Objects::callFunc($this->ssh, 'send_binary_packet', [chr(NET_SSH1_CMSG_EXIT_CONFIRMATION)]); - fclose(Objects::getVar($this->ssh, 'fsock')); - Objects::setVar($this->ssh, 'bitmap', 0); - return false; - default: - throw new \UnexpectedValueException('Unknown packet received'); - } - } - } - } - - /** - * Closes the connection to an SSH server - * - * @access private - */ - private function close() - { - switch ($this->mode) { - case self::MODE_SSH2: - Objects::callFunc($this->ssh, 'close_channel', [SSH2::CHANNEL_EXEC, true]); - break; - case self::MODE_SSH1: - Objects::callFunc($this->ssh, 'disconnect'); - } - } -} diff --git a/lib/phpaes/phpseclib/Net/SFTP.php b/lib/phpaes/phpseclib/Net/SFTP.php deleted file mode 100644 index ab081a2a9b..0000000000 --- a/lib/phpaes/phpseclib/Net/SFTP.php +++ /dev/null @@ -1,3046 +0,0 @@ - - * login('username', 'password')) { - * exit('Login Failed'); - * } - * - * echo $sftp->pwd() . "\r\n"; - * $sftp->put('filename.ext', 'hello, world!'); - * print_r($sftp->nlist()); - * ?> - * - * - * @category Net - * @package SFTP - * @author Jim Wigginton - * @copyright 2009 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Net; - -use ParagonIE\ConstantTime\Hex; -use phpseclib\Exception\FileNotFoundException; -use phpseclib\Common\Functions\Strings; - -/** - * Pure-PHP implementations of SFTP. - * - * @package SFTP - * @author Jim Wigginton - * @access public - */ -class SFTP extends SSH2 -{ - /** - * SFTP channel constant - * - * \phpseclib\Net\SSH2::exec() uses 0 and \phpseclib\Net\SSH2::read() / \phpseclib\Net\SSH2::write() use 1. - * - * @see \phpseclib\Net\SSH2::_send_channel_packet() - * @see \phpseclib\Net\SSH2::_get_channel_packet() - * @access private - */ - const CHANNEL = 0x100; - - /**#@+ - * @access public - * @see \phpseclib\Net\SFTP::put() - */ - /** - * Reads data from a local file. - */ - const SOURCE_LOCAL_FILE = 1; - /** - * Reads data from a string. - */ - // this value isn't really used anymore but i'm keeping it reserved for historical reasons - const SOURCE_STRING = 2; - /** - * Reads data from callback: - * function callback($length) returns string to proceed, null for EOF - */ - const SOURCE_CALLBACK = 16; - /** - * Resumes an upload - */ - const RESUME = 4; - /** - * Append a local file to an already existing remote file - */ - const RESUME_START = 8; - /**#@-*/ - - /** - * Packet Types - * - * @see self::__construct() - * @var array - * @access private - */ - private $packet_types = []; - - /** - * Status Codes - * - * @see self::__construct() - * @var array - * @access private - */ - private $status_codes = []; - - /** - * The Request ID - * - * The request ID exists in the off chance that a packet is sent out-of-order. Of course, this library doesn't support - * concurrent actions, so it's somewhat academic, here. - * - * @var int - * @see self::_send_sftp_packet() - * @access private - */ - private $request_id = false; - - /** - * The Packet Type - * - * The request ID exists in the off chance that a packet is sent out-of-order. Of course, this library doesn't support - * concurrent actions, so it's somewhat academic, here. - * - * @var int - * @see self::_get_sftp_packet() - * @access private - */ - private $packet_type = -1; - - /** - * Packet Buffer - * - * @var string - * @see self::_get_sftp_packet() - * @access private - */ - private $packet_buffer = ''; - - /** - * Extensions supported by the server - * - * @var array - * @see self::_initChannel() - * @access private - */ - private $extensions = []; - - /** - * Server SFTP version - * - * @var int - * @see self::_initChannel() - * @access private - */ - private $version; - - /** - * Current working directory - * - * @var string - * @see self::_realpath() - * @see self::chdir() - * @access private - */ - private $pwd = false; - - /** - * Packet Type Log - * - * @see self::getLog() - * @var array - * @access private - */ - private $packet_type_log = []; - - /** - * Packet Log - * - * @see self::getLog() - * @var array - * @access private - */ - private $packet_log = []; - - /** - * Error information - * - * @see self::getSFTPErrors() - * @see self::getLastSFTPError() - * @var string - * @access private - */ - private $sftp_errors = []; - - /** - * Stat Cache - * - * Rather than always having to open a directory and close it immediately there after to see if a file is a directory - * we'll cache the results. - * - * @see self::_update_stat_cache() - * @see self::_remove_from_stat_cache() - * @see self::_query_stat_cache() - * @var array - * @access private - */ - private $stat_cache = []; - - /** - * Max SFTP Packet Size - * - * @see self::__construct() - * @see self::get() - * @var array - * @access private - */ - private $max_sftp_packet; - - /** - * Stat Cache Flag - * - * @see self::disableStatCache() - * @see self::enableStatCache() - * @var bool - * @access private - */ - private $use_stat_cache = true; - - /** - * Sort Options - * - * @see self::_comparator() - * @see self::setListOrder() - * @var array - * @access private - */ - private $sortOptions = []; - - /** - * Default Constructor. - * - * Connects to an SFTP server - * - * @param string $host - * @param int $port - * @param int $timeout - * @return \phpseclib\Net\SFTP - * @access public - */ - public function __construct($host, $port = 22, $timeout = 10) - { - parent::__construct($host, $port, $timeout); - - $this->max_sftp_packet = 1 << 15; - - $this->packet_types = [ - 1 => 'NET_SFTP_INIT', - 2 => 'NET_SFTP_VERSION', - /* the format of SSH_FXP_OPEN changed between SFTPv4 and SFTPv5+: - SFTPv5+: http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.1.1 - pre-SFTPv5 : http://tools.ietf.org/html/draft-ietf-secsh-filexfer-04#section-6.3 */ - 3 => 'NET_SFTP_OPEN', - 4 => 'NET_SFTP_CLOSE', - 5 => 'NET_SFTP_READ', - 6 => 'NET_SFTP_WRITE', - 7 => 'NET_SFTP_LSTAT', - 9 => 'NET_SFTP_SETSTAT', - 11 => 'NET_SFTP_OPENDIR', - 12 => 'NET_SFTP_READDIR', - 13 => 'NET_SFTP_REMOVE', - 14 => 'NET_SFTP_MKDIR', - 15 => 'NET_SFTP_RMDIR', - 16 => 'NET_SFTP_REALPATH', - 17 => 'NET_SFTP_STAT', - /* the format of SSH_FXP_RENAME changed between SFTPv4 and SFTPv5+: - SFTPv5+: http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.3 - pre-SFTPv5 : http://tools.ietf.org/html/draft-ietf-secsh-filexfer-04#section-6.5 */ - 18 => 'NET_SFTP_RENAME', - 19 => 'NET_SFTP_READLINK', - 20 => 'NET_SFTP_SYMLINK', - - 101=> 'NET_SFTP_STATUS', - 102=> 'NET_SFTP_HANDLE', - /* the format of SSH_FXP_NAME changed between SFTPv3 and SFTPv4+: - SFTPv4+: http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-9.4 - pre-SFTPv4 : http://tools.ietf.org/html/draft-ietf-secsh-filexfer-02#section-7 */ - 103=> 'NET_SFTP_DATA', - 104=> 'NET_SFTP_NAME', - 105=> 'NET_SFTP_ATTRS', - - 200=> 'NET_SFTP_EXTENDED' - ]; - $this->status_codes = [ - 0 => 'NET_SFTP_STATUS_OK', - 1 => 'NET_SFTP_STATUS_EOF', - 2 => 'NET_SFTP_STATUS_NO_SUCH_FILE', - 3 => 'NET_SFTP_STATUS_PERMISSION_DENIED', - 4 => 'NET_SFTP_STATUS_FAILURE', - 5 => 'NET_SFTP_STATUS_BAD_MESSAGE', - 6 => 'NET_SFTP_STATUS_NO_CONNECTION', - 7 => 'NET_SFTP_STATUS_CONNECTION_LOST', - 8 => 'NET_SFTP_STATUS_OP_UNSUPPORTED', - 9 => 'NET_SFTP_STATUS_INVALID_HANDLE', - 10 => 'NET_SFTP_STATUS_NO_SUCH_PATH', - 11 => 'NET_SFTP_STATUS_FILE_ALREADY_EXISTS', - 12 => 'NET_SFTP_STATUS_WRITE_PROTECT', - 13 => 'NET_SFTP_STATUS_NO_MEDIA', - 14 => 'NET_SFTP_STATUS_NO_SPACE_ON_FILESYSTEM', - 15 => 'NET_SFTP_STATUS_QUOTA_EXCEEDED', - 16 => 'NET_SFTP_STATUS_UNKNOWN_PRINCIPAL', - 17 => 'NET_SFTP_STATUS_LOCK_CONFLICT', - 18 => 'NET_SFTP_STATUS_DIR_NOT_EMPTY', - 19 => 'NET_SFTP_STATUS_NOT_A_DIRECTORY', - 20 => 'NET_SFTP_STATUS_INVALID_FILENAME', - 21 => 'NET_SFTP_STATUS_LINK_LOOP', - 22 => 'NET_SFTP_STATUS_CANNOT_DELETE', - 23 => 'NET_SFTP_STATUS_INVALID_PARAMETER', - 24 => 'NET_SFTP_STATUS_FILE_IS_A_DIRECTORY', - 25 => 'NET_SFTP_STATUS_BYTE_RANGE_LOCK_CONFLICT', - 26 => 'NET_SFTP_STATUS_BYTE_RANGE_LOCK_REFUSED', - 27 => 'NET_SFTP_STATUS_DELETE_PENDING', - 28 => 'NET_SFTP_STATUS_FILE_CORRUPT', - 29 => 'NET_SFTP_STATUS_OWNER_INVALID', - 30 => 'NET_SFTP_STATUS_GROUP_INVALID', - 31 => 'NET_SFTP_STATUS_NO_MATCHING_BYTE_RANGE_LOCK' - ]; - // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-7.1 - // the order, in this case, matters quite a lot - see \phpseclib\Net\SFTP::_parseAttributes() to understand why - $this->attributes = [ - 0x00000001 => 'NET_SFTP_ATTR_SIZE', - 0x00000002 => 'NET_SFTP_ATTR_UIDGID', // defined in SFTPv3, removed in SFTPv4+ - 0x00000004 => 'NET_SFTP_ATTR_PERMISSIONS', - 0x00000008 => 'NET_SFTP_ATTR_ACCESSTIME', - // 0x80000000 will yield a floating point on 32-bit systems and converting floating points to integers - // yields inconsistent behavior depending on how php is compiled. so we left shift -1 (which, in - // two's compliment, consists of all 1 bits) by 31. on 64-bit systems this'll yield 0xFFFFFFFF80000000. - // that's not a problem, however, and 'anded' and a 32-bit number, as all the leading 1 bits are ignored. - -1 << 31 => 'NET_SFTP_ATTR_EXTENDED' - ]; - // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-04#section-6.3 - // the flag definitions change somewhat in SFTPv5+. if SFTPv5+ support is added to this library, maybe name - // the array for that $this->open5_flags and similarly alter the constant names. - $this->open_flags = [ - 0x00000001 => 'NET_SFTP_OPEN_READ', - 0x00000002 => 'NET_SFTP_OPEN_WRITE', - 0x00000004 => 'NET_SFTP_OPEN_APPEND', - 0x00000008 => 'NET_SFTP_OPEN_CREATE', - 0x00000010 => 'NET_SFTP_OPEN_TRUNCATE', - 0x00000020 => 'NET_SFTP_OPEN_EXCL' - ]; - // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-04#section-5.2 - // see \phpseclib\Net\SFTP::_parseLongname() for an explanation - $this->file_types = [ - 1 => 'NET_SFTP_TYPE_REGULAR', - 2 => 'NET_SFTP_TYPE_DIRECTORY', - 3 => 'NET_SFTP_TYPE_SYMLINK', - 4 => 'NET_SFTP_TYPE_SPECIAL', - 5 => 'NET_SFTP_TYPE_UNKNOWN', - // the followin types were first defined for use in SFTPv5+ - // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-05#section-5.2 - 6 => 'NET_SFTP_TYPE_SOCKET', - 7 => 'NET_SFTP_TYPE_CHAR_DEVICE', - 8 => 'NET_SFTP_TYPE_BLOCK_DEVICE', - 9 => 'NET_SFTP_TYPE_FIFO' - ]; - $this->define_array( - $this->packet_types, - $this->status_codes, - $this->attributes, - $this->open_flags, - $this->file_types - ); - - if (!defined('NET_SFTP_QUEUE_SIZE')) { - define('NET_SFTP_QUEUE_SIZE', 32); - } - } - - /** - * Login - * - * @param string $username - * @param string $password - * @throws \UnexpectedValueException on receipt of unexpected packets - * @return bool - * @access public - */ - public function login($username) - { - $args = func_get_args(); - if (!call_user_func_array([&$this, 'sublogin'], $args)) { - return false; - } - - $this->window_size_server_to_client[self::CHANNEL] = $this->window_size; - - $packet = pack( - 'CNa*N3', - NET_SSH2_MSG_CHANNEL_OPEN, - strlen('session'), - 'session', - self::CHANNEL, - $this->window_size, - 0x4000 - ); - - if (!$this->send_binary_packet($packet)) { - return false; - } - - $this->channel_status[self::CHANNEL] = NET_SSH2_MSG_CHANNEL_OPEN; - - $response = $this->get_channel_packet(self::CHANNEL); - if ($response === false) { - return false; - } - - $packet = pack( - 'CNNa*CNa*', - NET_SSH2_MSG_CHANNEL_REQUEST, - $this->server_channels[self::CHANNEL], - strlen('subsystem'), - 'subsystem', - 1, - strlen('sftp'), - 'sftp' - ); - if (!$this->send_binary_packet($packet)) { - return false; - } - - $this->channel_status[self::CHANNEL] = NET_SSH2_MSG_CHANNEL_REQUEST; - - $response = $this->get_channel_packet(self::CHANNEL); - if ($response === false) { - // from PuTTY's psftp.exe - $command = "test -x /usr/lib/sftp-server && exec /usr/lib/sftp-server\n" . - "test -x /usr/local/lib/sftp-server && exec /usr/local/lib/sftp-server\n" . - "exec sftp-server"; - // we don't do $this->exec($command, false) because exec() operates on a different channel and plus the SSH_MSG_CHANNEL_OPEN that exec() does - // is redundant - $packet = pack( - 'CNNa*CNa*', - NET_SSH2_MSG_CHANNEL_REQUEST, - $this->server_channels[self::CHANNEL], - strlen('exec'), - 'exec', - 1, - strlen($command), - $command - ); - if (!$this->send_binary_packet($packet)) { - return false; - } - - $this->channel_status[self::CHANNEL] = NET_SSH2_MSG_CHANNEL_REQUEST; - - $response = $this->get_channel_packet(self::CHANNEL); - if ($response === false) { - return false; - } - } - - $this->channel_status[self::CHANNEL] = NET_SSH2_MSG_CHANNEL_DATA; - - if (!$this->send_sftp_packet(NET_SFTP_INIT, "\0\0\0\3")) { - return false; - } - - $response = $this->get_sftp_packet(); - if ($this->packet_type != NET_SFTP_VERSION) { - throw new \UnexpectedValueException('Expected SSH_FXP_VERSION'); - } - - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nversion', Strings::shift($response, 4))); - $this->version = $version; - while (!empty($response)) { - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nlength', Strings::shift($response, 4))); - $key = Strings::shift($response, $length); - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nlength', Strings::shift($response, 4))); - $value = Strings::shift($response, $length); - $this->extensions[$key] = $value; - } - - /* - SFTPv4+ defines a 'newline' extension. SFTPv3 seems to have unofficial support for it via 'newline@vandyke.com', - however, I'm not sure what 'newline@vandyke.com' is supposed to do (the fact that it's unofficial means that it's - not in the official SFTPv3 specs) and 'newline@vandyke.com' / 'newline' are likely not drop-in substitutes for - one another due to the fact that 'newline' comes with a SSH_FXF_TEXT bitmask whereas it seems unlikely that - 'newline@vandyke.com' would. - */ - /* - if (isset($this->extensions['newline@vandyke.com'])) { - $this->extensions['newline'] = $this->extensions['newline@vandyke.com']; - unset($this->extensions['newline@vandyke.com']); - } - */ - - $this->request_id = 1; - - /* - A Note on SFTPv4/5/6 support: - states the following: - - "If the client wishes to interoperate with servers that support noncontiguous version - numbers it SHOULD send '3'" - - Given that the server only sends its version number after the client has already done so, the above - seems to be suggesting that v3 should be the default version. This makes sense given that v3 is the - most popular. - - states the following; - - "If the server did not send the "versions" extension, or the version-from-list was not included, the - server MAY send a status response describing the failure, but MUST then close the channel without - processing any further requests." - - So what do you do if you have a client whose initial SSH_FXP_INIT packet says it implements v3 and - a server whose initial SSH_FXP_VERSION reply says it implements v4 and only v4? If it only implements - v4, the "versions" extension is likely not going to have been sent so version re-negotiation as discussed - in draft-ietf-secsh-filexfer-13 would be quite impossible. As such, what \phpseclib\Net\SFTP would do is close the - channel and reopen it with a new and updated SSH_FXP_INIT packet. - */ - switch ($this->version) { - case 2: - case 3: - break; - default: - return false; - } - - $this->pwd = $this->realpath('.'); - - $this->update_stat_cache($this->pwd, []); - - return true; - } - - /** - * Disable the stat cache - * - * @access public - */ - function disableStatCache() - { - $this->use_stat_cache = false; - } - - /** - * Enable the stat cache - * - * @access public - */ - public function enableStatCache() - { - $this->use_stat_cache = true; - } - - /** - * Clear the stat cache - * - * @access public - */ - public function clearStatCache() - { - $this->stat_cache = []; - } - - /** - * Returns the current directory name - * - * @return mixed - * @access public - */ - public function pwd() - { - return $this->pwd; - } - - /** - * Logs errors - * - * @param string $response - * @param int $status - * @access private - */ - private function logError($response, $status = -1) - { - if ($status == -1) { - if (strlen($response) < 4) { - return; - } - extract(unpack('Nstatus', Strings::shift($response, 4))); - } - - $error = $this->status_codes[$status]; - - if ($this->version > 2 || strlen($response) < 4) { - extract(unpack('Nlength', Strings::shift($response, 4))); - $this->sftp_errors[] = $error . ': ' . Strings::shift($response, $length); - } else { - $this->sftp_errors[] = $error; - } - } - - /** - * Canonicalize the Server-Side Path Name - * - * SFTP doesn't provide a mechanism by which the current working directory can be changed, so we'll emulate it. Returns - * the absolute (canonicalized) path. - * - * @see self::chdir() - * @param string $path - * @throws \UnexpectedValueException on receipt of unexpected packets - * @return mixed - * @access public - */ - public function realpath($path) - { - if ($this->pwd === false) { - // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.9 - if (!$this->send_sftp_packet(NET_SFTP_REALPATH, pack('Na*', strlen($path), $path))) { - return false; - } - - $response = $this->get_sftp_packet(); - switch ($this->packet_type) { - case NET_SFTP_NAME: - // although SSH_FXP_NAME is implemented differently in SFTPv3 than it is in SFTPv4+, the following - // should work on all SFTP versions since the only part of the SSH_FXP_NAME packet the following looks - // at is the first part and that part is defined the same in SFTP versions 3 through 6. - Strings::shift($response, 4); // skip over the count - it should be 1, anyway - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nlength', Strings::shift($response, 4))); - return Strings::shift($response, $length); - case NET_SFTP_STATUS: - $this->logError($response); - return false; - default: - throw new \UnexpectedValueException('Expected SSH_FXP_NAME or SSH_FXP_STATUS'); - } - } - - if ($path[0] != '/') { - $path = $this->pwd . '/' . $path; - } - - $path = explode('/', $path); - $new = []; - foreach ($path as $dir) { - if (!strlen($dir)) { - continue; - } - switch ($dir) { - case '..': - array_pop($new); - case '.': - break; - default: - $new[] = $dir; - } - } - - return '/' . implode('/', $new); - } - - /** - * Changes the current directory - * - * @param string $dir - * @throws \UnexpectedValueException on receipt of unexpected packets - * @return bool - * @access public - */ - public function chdir($dir) - { - if (!($this->bitmap & SSH2::MASK_LOGIN)) { - return false; - } - - // assume current dir if $dir is empty - if ($dir === '') { - $dir = './'; - // suffix a slash if needed - } elseif ($dir[strlen($dir) - 1] != '/') { - $dir.= '/'; - } - - $dir = $this->realpath($dir); - - // confirm that $dir is, in fact, a valid directory - if ($this->use_stat_cache && is_array($this->query_stat_cache($dir))) { - $this->pwd = $dir; - return true; - } - - // we could do a stat on the alleged $dir to see if it's a directory but that doesn't tell us - // the currently logged in user has the appropriate permissions or not. maybe you could see if - // the file's uid / gid match the currently logged in user's uid / gid but how there's no easy - // way to get those with SFTP - - if (!$this->send_sftp_packet(NET_SFTP_OPENDIR, pack('Na*', strlen($dir), $dir))) { - return false; - } - - // see \phpseclib\Net\SFTP::nlist() for a more thorough explanation of the following - $response = $this->get_sftp_packet(); - switch ($this->packet_type) { - case NET_SFTP_HANDLE: - $handle = substr($response, 4); - break; - case NET_SFTP_STATUS: - $this->logError($response); - return false; - default: - throw new \UnexpectedValueException('Expected SSH_FXP_HANDLE or SSH_FXP_STATUS'); - } - - if (!$this->close_handle($handle)) { - return false; - } - - $this->update_stat_cache($dir, []); - - $this->pwd = $dir; - return true; - } - - /** - * Returns a list of files in the given directory - * - * @param string $dir - * @param bool $recursive - * @return mixed - * @access public - */ - public function nlist($dir = '.', $recursive = false) - { - return $this->nlist_helper($dir, $recursive, ''); - } - - /** - * Helper method for nlist - * - * @param string $dir - * @param bool $recursive - * @param string $relativeDir - * @return mixed - * @access private - */ - private function nlist_helper($dir, $recursive, $relativeDir) - { - $files = $this->readlist($dir, false); - - if (!$recursive || $files === false) { - return $files; - } - - $result = []; - foreach ($files as $value) { - if ($value == '.' || $value == '..') { - if ($relativeDir == '') { - $result[] = $value; - } - continue; - } - if (is_array($this->query_stat_cache($this->realpath($dir . '/' . $value)))) { - $temp = $this->nlist_helper($dir . '/' . $value, true, $relativeDir . $value . '/'); - $result = array_merge($result, $temp); - } else { - $result[] = $relativeDir . $value; - } - } - - return $result; - } - - /** - * Returns a detailed list of files in the given directory - * - * @param string $dir - * @param bool $recursive - * @return mixed - * @access public - */ - public function rawlist($dir = '.', $recursive = false) - { - $files = $this->readlist($dir, true); - if (!$recursive || $files === false) { - return $files; - } - - static $depth = 0; - - foreach ($files as $key => $value) { - if ($depth != 0 && $key == '..') { - unset($files[$key]); - continue; - } - if ($key != '.' && $key != '..' && is_array($this->query_stat_cache($this->realpath($dir . '/' . $key)))) { - $depth++; - $files[$key] = $this->rawlist($dir . '/' . $key, true); - $depth--; - } else { - $files[$key] = (object) $value; - } - } - - return $files; - } - - /** - * Reads a list, be it detailed or not, of files in the given directory - * - * @param string $dir - * @param bool $raw - * @return mixed - * @throws \UnexpectedValueException on receipt of unexpected packets - * @access private - */ - private function readlist($dir, $raw = true) - { - if (!($this->bitmap & SSH2::MASK_LOGIN)) { - return false; - } - - $dir = $this->realpath($dir . '/'); - if ($dir === false) { - return false; - } - - // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.1.2 - if (!$this->send_sftp_packet(NET_SFTP_OPENDIR, pack('Na*', strlen($dir), $dir))) { - return false; - } - - $response = $this->get_sftp_packet(); - switch ($this->packet_type) { - case NET_SFTP_HANDLE: - // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-9.2 - // since 'handle' is the last field in the SSH_FXP_HANDLE packet, we'll just remove the first four bytes that - // represent the length of the string and leave it at that - $handle = substr($response, 4); - break; - case NET_SFTP_STATUS: - // presumably SSH_FX_NO_SUCH_FILE or SSH_FX_PERMISSION_DENIED - $this->logError($response); - return false; - default: - throw new \UnexpectedValueException('Expected SSH_FXP_HANDLE or SSH_FXP_STATUS'); - } - - $this->update_stat_cache($dir, []); - - $contents = []; - while (true) { - // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.2.2 - // why multiple SSH_FXP_READDIR packets would be sent when the response to a single one can span arbitrarily many - // SSH_MSG_CHANNEL_DATA messages is not known to me. - if (!$this->send_sftp_packet(NET_SFTP_READDIR, pack('Na*', strlen($handle), $handle))) { - return false; - } - - $response = $this->get_sftp_packet(); - switch ($this->packet_type) { - case NET_SFTP_NAME: - if (strlen($response) < 4) { - return false; - } - extract(unpack('Ncount', Strings::shift($response, 4))); - for ($i = 0; $i < $count; $i++) { - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nlength', Strings::shift($response, 4))); - $shortname = Strings::shift($response, $length); - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nlength', Strings::shift($response, 4))); - $longname = Strings::shift($response, $length); - $attributes = $this->parseAttributes($response); - if (!isset($attributes['type'])) { - $fileType = $this->parseLongname($longname); - if ($fileType) { - $attributes['type'] = $fileType; - } - } - $contents[$shortname] = $attributes + ['filename' => $shortname]; - - if (isset($attributes['type']) && $attributes['type'] == NET_SFTP_TYPE_DIRECTORY && ($shortname != '.' && $shortname != '..')) { - $this->update_stat_cache($dir . '/' . $shortname, []); - } else { - if ($shortname == '..') { - $temp = $this->realpath($dir . '/..') . '/.'; - } else { - $temp = $dir . '/' . $shortname; - } - $this->update_stat_cache($temp, (object) ['lstat' => $attributes]); - } - // SFTPv6 has an optional boolean end-of-list field, but we'll ignore that, since the - // final SSH_FXP_STATUS packet should tell us that, already. - } - break; - case NET_SFTP_STATUS: - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nstatus', Strings::shift($response, 4))); - if ($status != NET_SFTP_STATUS_EOF) { - $this->logError($response, $status); - return false; - } - break 2; - default: - throw new \UnexpectedValueException('Expected SSH_FXP_NAME or SSH_FXP_STATUS'); - } - } - - if (!$this->close_handle($handle)) { - return false; - } - - if (count($this->sortOptions)) { - uasort($contents, [&$this, 'comparator']); - } - - return $raw ? $contents : array_keys($contents); - } - - /** - * Compares two rawlist entries using parameters set by setListOrder() - * - * Intended for use with uasort() - * - * @param array $a - * @param array $b - * @return int - * @access private - */ - private function comparator($a, $b) - { - switch (true) { - case $a['filename'] === '.' || $b['filename'] === '.': - if ($a['filename'] === $b['filename']) { - return 0; - } - return $a['filename'] === '.' ? -1 : 1; - case $a['filename'] === '..' || $b['filename'] === '..': - if ($a['filename'] === $b['filename']) { - return 0; - } - return $a['filename'] === '..' ? -1 : 1; - case isset($a['type']) && $a['type'] === NET_SFTP_TYPE_DIRECTORY: - if (!isset($b['type'])) { - return 1; - } - if ($b['type'] !== $a['type']) { - return -1; - } - break; - case isset($b['type']) && $b['type'] === NET_SFTP_TYPE_DIRECTORY: - return 1; - } - foreach ($this->sortOptions as $sort => $order) { - if (!isset($a[$sort]) || !isset($b[$sort])) { - if (isset($a[$sort])) { - return -1; - } - if (isset($b[$sort])) { - return 1; - } - return 0; - } - switch ($sort) { - case 'filename': - $result = strcasecmp($a['filename'], $b['filename']); - if ($result) { - return $order === SORT_DESC ? -$result : $result; - } - break; - case 'permissions': - case 'mode': - $a[$sort]&= 07777; - $b[$sort]&= 07777; - default: - if ($a[$sort] === $b[$sort]) { - break; - } - return $order === SORT_ASC ? $a[$sort] - $b[$sort] : $b[$sort] - $a[$sort]; - } - } - } - - /** - * Defines how nlist() and rawlist() will be sorted - if at all. - * - * If sorting is enabled directories and files will be sorted independently with - * directories appearing before files in the resultant array that is returned. - * - * Any parameter returned by stat is a valid sort parameter for this function. - * Filename comparisons are case insensitive. - * - * Examples: - * - * $sftp->setListOrder('filename', SORT_ASC); - * $sftp->setListOrder('size', SORT_DESC, 'filename', SORT_ASC); - * $sftp->setListOrder(true); - * Separates directories from files but doesn't do any sorting beyond that - * $sftp->setListOrder(); - * Don't do any sort of sorting - * - * @access public - */ - public function setListOrder() - { - $this->sortOptions = []; - $args = func_get_args(); - if (empty($args)) { - return; - } - $len = count($args) & 0x7FFFFFFE; - for ($i = 0; $i < $len; $i+=2) { - $this->sortOptions[$args[$i]] = $args[$i + 1]; - } - if (!count($this->sortOptions)) { - $this->sortOptions = ['bogus' => true]; - } - } - - /** - * Returns the file size, in bytes, or false, on failure - * - * Files larger than 4GB will show up as being exactly 4GB. - * - * @param string $filename - * @return mixed - * @access public - */ - public function size($filename) - { - if (!($this->bitmap & SSH2::MASK_LOGIN)) { - return false; - } - - $result = $this->stat($filename); - if ($result === false) { - return false; - } - return isset($result['size']) ? $result['size'] : -1; - } - - /** - * Save files / directories to cache - * - * @param string $path - * @param mixed $value - * @access private - */ - private function update_stat_cache($path, $value) - { - if ($this->use_stat_cache === false) { - return; - } - - // preg_replace('#^/|/(?=/)|/$#', '', $dir) == str_replace('//', '/', trim($path, '/')) - $dirs = explode('/', preg_replace('#^/|/(?=/)|/$#', '', $path)); - - $temp = &$this->stat_cache; - $max = count($dirs) - 1; - foreach ($dirs as $i => $dir) { - // if $temp is an object that means one of two things. - // 1. a file was deleted and changed to a directory behind phpseclib's back - // 2. it's a symlink. when lstat is done it's unclear what it's a symlink to - if (is_object($temp)) { - $temp = []; - } - if (!isset($temp[$dir])) { - $temp[$dir] = []; - } - if ($i === $max) { - if (is_object($temp[$dir])) { - if (!isset($value->stat) && isset($temp[$dir]->stat)) { - $value->stat = $temp[$dir]->stat; - } - if (!isset($value->lstat) && isset($temp[$dir]->lstat)) { - $value->lstat = $temp[$dir]->lstat; - } - } - $temp[$dir] = $value; - break; - } - $temp = &$temp[$dir]; - } - } - - /** - * Remove files / directories from cache - * - * @param string $path - * @return bool - * @access private - */ - private function remove_from_stat_cache($path) - { - $dirs = explode('/', preg_replace('#^/|/(?=/)|/$#', '', $path)); - - $temp = &$this->stat_cache; - $max = count($dirs) - 1; - foreach ($dirs as $i => $dir) { - if ($i === $max) { - unset($temp[$dir]); - return true; - } - if (!isset($temp[$dir])) { - return false; - } - $temp = &$temp[$dir]; - } - } - - /** - * Checks cache for path - * - * Mainly used by file_exists - * - * @param string $dir - * @return mixed - * @access private - */ - private function query_stat_cache($path) - { - $dirs = explode('/', preg_replace('#^/|/(?=/)|/$#', '', $path)); - - $temp = &$this->stat_cache; - foreach ($dirs as $dir) { - if (!isset($temp[$dir])) { - return null; - } - $temp = &$temp[$dir]; - } - return $temp; - } - - /** - * Returns general information about a file. - * - * Returns an array on success and false otherwise. - * - * @param string $filename - * @return mixed - * @access public - */ - public function stat($filename) - { - if (!($this->bitmap & SSH2::MASK_LOGIN)) { - return false; - } - - $filename = $this->realpath($filename); - if ($filename === false) { - return false; - } - - if ($this->use_stat_cache) { - $result = $this->query_stat_cache($filename); - if (is_array($result) && isset($result['.']) && isset($result['.']->stat)) { - return $result['.']->stat; - } - if (is_object($result) && isset($result->stat)) { - return $result->stat; - } - } - - $stat = $this->stat_helper($filename, NET_SFTP_STAT); - if ($stat === false) { - $this->remove_from_stat_cache($filename); - return false; - } - if (isset($stat['type'])) { - if ($stat['type'] == NET_SFTP_TYPE_DIRECTORY) { - $filename.= '/.'; - } - $this->update_stat_cache($filename, (object) ['stat' => $stat]); - return $stat; - } - - $pwd = $this->pwd; - $stat['type'] = $this->chdir($filename) ? - NET_SFTP_TYPE_DIRECTORY : - NET_SFTP_TYPE_REGULAR; - $this->pwd = $pwd; - - if ($stat['type'] == NET_SFTP_TYPE_DIRECTORY) { - $filename.= '/.'; - } - $this->update_stat_cache($filename, (object) ['stat' => $stat]); - - return $stat; - } - - /** - * Returns general information about a file or symbolic link. - * - * Returns an array on success and false otherwise. - * - * @param string $filename - * @return mixed - * @access public - */ - public function lstat($filename) - { - if (!($this->bitmap & SSH2::MASK_LOGIN)) { - return false; - } - - $filename = $this->realpath($filename); - if ($filename === false) { - return false; - } - - if ($this->use_stat_cache) { - $result = $this->query_stat_cache($filename); - if (is_array($result) && isset($result['.']) && isset($result['.']->lstat)) { - return $result['.']->lstat; - } - if (is_object($result) && isset($result->lstat)) { - return $result->lstat; - } - } - - $lstat = $this->stat_helper($filename, NET_SFTP_LSTAT); - if ($lstat === false) { - $this->remove_from_stat_cache($filename); - return false; - } - if (isset($lstat['type'])) { - if ($lstat['type'] == NET_SFTP_TYPE_DIRECTORY) { - $filename.= '/.'; - } - $this->update_stat_cache($filename, (object) ['lstat' => $lstat]); - return $lstat; - } - - $stat = $this->stat_helper($filename, NET_SFTP_STAT); - - if ($lstat != $stat) { - $lstat = array_merge($lstat, ['type' => NET_SFTP_TYPE_SYMLINK]); - $this->update_stat_cache($filename, (object) ['lstat' => $lstat]); - return $stat; - } - - $pwd = $this->pwd; - $lstat['type'] = $this->chdir($filename) ? - NET_SFTP_TYPE_DIRECTORY : - NET_SFTP_TYPE_REGULAR; - $this->pwd = $pwd; - - if ($lstat['type'] == NET_SFTP_TYPE_DIRECTORY) { - $filename.= '/.'; - } - $this->update_stat_cache($filename, (object) ['lstat' => $lstat]); - - return $lstat; - } - - /** - * Returns general information about a file or symbolic link - * - * Determines information without calling \phpseclib\Net\SFTP::_realpath(). - * The second parameter can be either NET_SFTP_STAT or NET_SFTP_LSTAT. - * - * @param string $filename - * @param int $type - * @throws \UnexpectedValueException on receipt of unexpected packets - * @return mixed - * @access private - */ - private function stat_helper($filename, $type) - { - // SFTPv4+ adds an additional 32-bit integer field - flags - to the following: - $packet = pack('Na*', strlen($filename), $filename); - if (!$this->send_sftp_packet($type, $packet)) { - return false; - } - - $response = $this->get_sftp_packet(); - switch ($this->packet_type) { - case NET_SFTP_ATTRS: - return $this->parseAttributes($response); - case NET_SFTP_STATUS: - $this->logError($response); - return false; - } - - throw new \UnexpectedValueException('Expected SSH_FXP_ATTRS or SSH_FXP_STATUS'); - } - - /** - * Truncates a file to a given length - * - * @param string $filename - * @param int $new_size - * @return bool - * @access public - */ - public function truncate($filename, $new_size) - { - $attr = pack('N3', NET_SFTP_ATTR_SIZE, $new_size / 4294967296, $new_size); // 4294967296 == 0x100000000 == 1<<32 - - return $this->setstat($filename, $attr, false); - } - - /** - * Sets access and modification time of file. - * - * If the file does not exist, it will be created. - * - * @param string $filename - * @param int $time - * @param int $atime - * @throws \UnexpectedValueException on receipt of unexpected packets - * @return bool - * @access public - */ - public function touch($filename, $time = null, $atime = null) - { - if (!($this->bitmap & SSH2::MASK_LOGIN)) { - return false; - } - - $filename = $this->realpath($filename); - if ($filename === false) { - return false; - } - - if (!isset($time)) { - $time = time(); - } - if (!isset($atime)) { - $atime = $time; - } - - $flags = NET_SFTP_OPEN_WRITE | NET_SFTP_OPEN_CREATE | NET_SFTP_OPEN_EXCL; - $attr = pack('N3', NET_SFTP_ATTR_ACCESSTIME, $time, $atime); - $packet = pack('Na*Na*', strlen($filename), $filename, $flags, $attr); - if (!$this->send_sftp_packet(NET_SFTP_OPEN, $packet)) { - return false; - } - - $response = $this->get_sftp_packet(); - switch ($this->packet_type) { - case NET_SFTP_HANDLE: - return $this->close_handle(substr($response, 4)); - case NET_SFTP_STATUS: - $this->logError($response); - break; - default: - throw new \UnexpectedValueException('Expected SSH_FXP_HANDLE or SSH_FXP_STATUS'); - } - - return $this->setstat($filename, $attr, false); - } - - /** - * Changes file or directory owner - * - * Returns true on success or false on error. - * - * @param string $filename - * @param int $uid - * @param bool $recursive - * @return bool - * @access public - */ - public function chown($filename, $uid, $recursive = false) - { - // quoting from , - // "if the owner or group is specified as -1, then that ID is not changed" - $attr = pack('N3', NET_SFTP_ATTR_UIDGID, $uid, -1); - - return $this->setstat($filename, $attr, $recursive); - } - - /** - * Changes file or directory group - * - * Returns true on success or false on error. - * - * @param string $filename - * @param int $gid - * @param bool $recursive - * @return bool - * @access public - */ - public function chgrp($filename, $gid, $recursive = false) - { - $attr = pack('N3', NET_SFTP_ATTR_UIDGID, -1, $gid); - - return $this->setstat($filename, $attr, $recursive); - } - - /** - * Set permissions on a file. - * - * Returns the new file permissions on success or false on error. - * If $recursive is true than this just returns true or false. - * - * @param int $mode - * @param string $filename - * @param bool $recursive - * @throws \UnexpectedValueException on receipt of unexpected packets - * @return mixed - * @access public - */ - public function chmod($mode, $filename, $recursive = false) - { - if (is_string($mode) && is_int($filename)) { - $temp = $mode; - $mode = $filename; - $filename = $temp; - } - - $attr = pack('N2', NET_SFTP_ATTR_PERMISSIONS, $mode & 07777); - if (!$this->setstat($filename, $attr, $recursive)) { - return false; - } - if ($recursive) { - return true; - } - - $filename = $this->realPath($filename); - // rather than return what the permissions *should* be, we'll return what they actually are. this will also - // tell us if the file actually exists. - // incidentally, SFTPv4+ adds an additional 32-bit integer field - flags - to the following: - $packet = pack('Na*', strlen($filename), $filename); - if (!$this->send_sftp_packet(NET_SFTP_STAT, $packet)) { - return false; - } - - $response = $this->get_sftp_packet(); - switch ($this->packet_type) { - case NET_SFTP_ATTRS: - $attrs = $this->parseAttributes($response); - return $attrs['permissions']; - case NET_SFTP_STATUS: - $this->logError($response); - return false; - } - - throw new \UnexpectedValueException('Expected SSH_FXP_ATTRS or SSH_FXP_STATUS'); - } - - /** - * Sets information about a file - * - * @param string $filename - * @param string $attr - * @param bool $recursive - * @throws \UnexpectedValueException on receipt of unexpected packets - * @return bool - * @access private - */ - private function setstat($filename, $attr, $recursive) - { - if (!($this->bitmap & SSH2::MASK_LOGIN)) { - return false; - } - - $filename = $this->realpath($filename); - if ($filename === false) { - return false; - } - - $this->remove_from_stat_cache($filename); - - if ($recursive) { - $i = 0; - $result = $this->setstat_recursive($filename, $attr, $i); - $this->read_put_responses($i); - return $result; - } - - // SFTPv4+ has an additional byte field - type - that would need to be sent, as well. setting it to - // SSH_FILEXFER_TYPE_UNKNOWN might work. if not, we'd have to do an SSH_FXP_STAT before doing an SSH_FXP_SETSTAT. - if (!$this->send_sftp_packet(NET_SFTP_SETSTAT, pack('Na*a*', strlen($filename), $filename, $attr))) { - return false; - } - - /* - "Because some systems must use separate system calls to set various attributes, it is possible that a failure - response will be returned, but yet some of the attributes may be have been successfully modified. If possible, - servers SHOULD avoid this situation; however, clients MUST be aware that this is possible." - - -- http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.6 - */ - $response = $this->get_sftp_packet(); - if ($this->packet_type != NET_SFTP_STATUS) { - throw new \UnexpectedValueException('Expected SSH_FXP_STATUS'); - } - - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nstatus', Strings::shift($response, 4))); - if ($status != NET_SFTP_STATUS_OK) { - $this->logError($response, $status); - return false; - } - - return true; - } - - /** - * Recursively sets information on directories on the SFTP server - * - * Minimizes directory lookups and SSH_FXP_STATUS requests for speed. - * - * @param string $path - * @param string $attr - * @param int $i - * @return bool - * @access private - */ - private function setstat_recursive($path, $attr, &$i) - { - if (!$this->read_put_responses($i)) { - return false; - } - $i = 0; - $entries = $this->readlist($path, true); - - if ($entries === false) { - return $this->setstat($path, $attr, false); - } - - // normally $entries would have at least . and .. but it might not if the directories - // permissions didn't allow reading - if (empty($entries)) { - return false; - } - - unset($entries['.'], $entries['..']); - foreach ($entries as $filename => $props) { - if (!isset($props['type'])) { - return false; - } - - $temp = $path . '/' . $filename; - if ($props['type'] == NET_SFTP_TYPE_DIRECTORY) { - if (!$this->setstat_recursive($temp, $attr, $i)) { - return false; - } - } else { - if (!$this->send_sftp_packet(NET_SFTP_SETSTAT, pack('Na*a*', strlen($temp), $temp, $attr))) { - return false; - } - - $i++; - - if ($i >= NET_SFTP_QUEUE_SIZE) { - if (!$this->read_put_responses($i)) { - return false; - } - $i = 0; - } - } - } - - if (!$this->send_sftp_packet(NET_SFTP_SETSTAT, pack('Na*a*', strlen($path), $path, $attr))) { - return false; - } - - $i++; - - if ($i >= NET_SFTP_QUEUE_SIZE) { - if (!$this->read_put_responses($i)) { - return false; - } - $i = 0; - } - - return true; - } - - /** - * Return the target of a symbolic link - * - * @param string $link - * @throws \UnexpectedValueException on receipt of unexpected packets - * @return mixed - * @access public - */ - public function readlink($link) - { - if (!($this->bitmap & SSH2::MASK_LOGIN)) { - return false; - } - - $link = $this->realpath($link); - - if (!$this->send_sftp_packet(NET_SFTP_READLINK, pack('Na*', strlen($link), $link))) { - return false; - } - - $response = $this->get_sftp_packet(); - switch ($this->packet_type) { - case NET_SFTP_NAME: - break; - case NET_SFTP_STATUS: - $this->logError($response); - return false; - default: - throw new \UnexpectedValueException('Expected SSH_FXP_NAME or SSH_FXP_STATUS'); - } - - if (strlen($response) < 4) { - return false; - } - extract(unpack('Ncount', Strings::shift($response, 4))); - // the file isn't a symlink - if (!$count) { - return false; - } - - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nlength', Strings::shift($response, 4))); - return Strings::shift($response, $length); - } - - /** - * Create a symlink - * - * symlink() creates a symbolic link to the existing target with the specified name link. - * - * @param string $target - * @param string $link - * @throws \UnexpectedValueException on receipt of unexpected packets - * @return bool - * @access public - */ - public function symlink($target, $link) - { - if (!($this->bitmap & SSH2::MASK_LOGIN)) { - return false; - } - - //$target = $this->realpath($target); - $link = $this->realpath($link); - - $packet = pack('Na*Na*', strlen($target), $target, strlen($link), $link); - if (!$this->send_sftp_packet(NET_SFTP_SYMLINK, $packet)) { - return false; - } - - $response = $this->get_sftp_packet(); - if ($this->packet_type != NET_SFTP_STATUS) { - throw new \UnexpectedValueException('Expected SSH_FXP_STATUS'); - } - - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nstatus', Strings::shift($response, 4))); - - if ($status != NET_SFTP_STATUS_OK) { - $this->logError($response, $status); - return false; - } - - return true; - } - - /** - * Creates a directory. - * - * @param string $dir - * @return bool - * @access public - */ - public function mkdir($dir, $mode = -1, $recursive = false) - { - if (!($this->bitmap & SSH2::MASK_LOGIN)) { - return false; - } - - $dir = $this->realpath($dir); - // by not providing any permissions, hopefully the server will use the logged in users umask - their - // default permissions. - $attr = $mode == -1 ? "\0\0\0\0" : pack('N2', NET_SFTP_ATTR_PERMISSIONS, $mode & 07777); - - if ($recursive) { - $dirs = explode('/', preg_replace('#/(?=/)|/$#', '', $dir)); - if (empty($dirs[0])) { - array_shift($dirs); - $dirs[0] = '/' . $dirs[0]; - } - for ($i = 0; $i < count($dirs); $i++) { - $temp = array_slice($dirs, 0, $i + 1); - $temp = implode('/', $temp); - $result = $this->mkdir_helper($temp, $attr); - } - return $result; - } - - return $this->mkdir_helper($dir, $attr); - } - - /** - * Helper function for directory creation - * - * @param string $dir - * @return bool - * @throws \UnexpectedValueException on receipt of unexpected packets - * @access private - */ - private function mkdir_helper($dir, $attr) - { - if (!$this->send_sftp_packet(NET_SFTP_MKDIR, pack('Na*a*', strlen($dir), $dir, $attr))) { - return false; - } - - $response = $this->get_sftp_packet(); - if ($this->packet_type != NET_SFTP_STATUS) { - throw new \UnexpectedValueException('Expected SSH_FXP_STATUS'); - } - - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nstatus', Strings::shift($response, 4))); - if ($status != NET_SFTP_STATUS_OK) { - $this->logError($response, $status); - return false; - } - - return true; - } - - /** - * Removes a directory. - * - * @param string $dir - * @throws \UnexpectedValueException on receipt of unexpected packets - * @return bool - * @access public - */ - public function rmdir($dir) - { - if (!($this->bitmap & SSH2::MASK_LOGIN)) { - return false; - } - - $dir = $this->realpath($dir); - if ($dir === false) { - return false; - } - - if (!$this->send_sftp_packet(NET_SFTP_RMDIR, pack('Na*', strlen($dir), $dir))) { - return false; - } - - $response = $this->get_sftp_packet(); - if ($this->packet_type != NET_SFTP_STATUS) { - throw new \UnexpectedValueException('Expected SSH_FXP_STATUS'); - } - - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nstatus', Strings::shift($response, 4))); - if ($status != NET_SFTP_STATUS_OK) { - // presumably SSH_FX_NO_SUCH_FILE or SSH_FX_PERMISSION_DENIED? - $this->logError($response, $status); - return false; - } - - $this->remove_from_stat_cache($dir); - // the following will do a soft delete, which would be useful if you deleted a file - // and then tried to do a stat on the deleted file. the above, in contrast, does - // a hard delete - //$this->update_stat_cache($dir, false); - - return true; - } - - /** - * Uploads a file to the SFTP server. - * - * By default, \phpseclib\Net\SFTP::put() does not read from the local filesystem. $data is dumped directly into $remote_file. - * So, for example, if you set $data to 'filename.ext' and then do \phpseclib\Net\SFTP::get(), you will get a file, twelve bytes - * long, containing 'filename.ext' as its contents. - * - * Setting $mode to self::SOURCE_LOCAL_FILE will change the above behavior. With self::SOURCE_LOCAL_FILE, $remote_file will - * contain as many bytes as filename.ext does on your local filesystem. If your filename.ext is 1MB then that is how - * large $remote_file will be, as well. - * - * Setting $mode to self::SOURCE_CALLBACK will use $data as callback function, which gets only one parameter -- number of bytes to return, and returns a string if there is some data or null if there is no more data - * - * If $data is a resource then it'll be used as a resource instead. - * - * Currently, only binary mode is supported. As such, if the line endings need to be adjusted, you will need to take - * care of that, yourself. - * - * $mode can take an additional two parameters - self::RESUME and self::RESUME_START. These are bitwise AND'd with - * $mode. So if you want to resume upload of a 300mb file on the local file system you'd set $mode to the following: - * - * self::SOURCE_LOCAL_FILE | self::RESUME - * - * If you wanted to simply append the full contents of a local file to the full contents of a remote file you'd replace - * self::RESUME with self::RESUME_START. - * - * If $mode & (self::RESUME | self::RESUME_START) then self::RESUME_START will be assumed. - * - * $start and $local_start give you more fine grained control over this process and take precident over self::RESUME - * when they're non-negative. ie. $start could let you write at the end of a file (like self::RESUME) or in the middle - * of one. $local_start could let you start your reading from the end of a file (like self::RESUME_START) or in the - * middle of one. - * - * Setting $local_start to > 0 or $mode | self::RESUME_START doesn't do anything unless $mode | self::SOURCE_LOCAL_FILE. - * - * @param string $remote_file - * @param string|resource $data - * @param int $mode - * @param int $start - * @param int $local_start - * @param callable|null $progressCallback - * @throws \UnexpectedValueException on receipt of unexpected packets - * @throws \BadFunctionCallException if you're uploading via a callback and the callback function is invalid - * @throws \phpseclib\Exception\FileNotFoundException if you're uploading via a file and the file doesn't exist - * @return bool - * @access public - * @internal ASCII mode for SFTPv4/5/6 can be supported by adding a new function - \phpseclib\Net\SFTP::setMode(). - */ - public function put($remote_file, $data, $mode = self::SOURCE_STRING, $start = -1, $local_start = -1, $progressCallback = null) - { - if (!($this->bitmap & SSH2::MASK_LOGIN)) { - return false; - } - - $remote_file = $this->realpath($remote_file); - if ($remote_file === false) { - return false; - } - - $this->remove_from_stat_cache($remote_file); - - $flags = NET_SFTP_OPEN_WRITE | NET_SFTP_OPEN_CREATE; - // according to the SFTP specs, NET_SFTP_OPEN_APPEND should "force all writes to append data at the end of the file." - // in practice, it doesn't seem to do that. - //$flags|= ($mode & self::RESUME) ? NET_SFTP_OPEN_APPEND : NET_SFTP_OPEN_TRUNCATE; - - if ($start >= 0) { - $offset = $start; - } elseif ($mode & self::RESUME) { - // if NET_SFTP_OPEN_APPEND worked as it should _size() wouldn't need to be called - $size = $this->size($remote_file); - $offset = $size !== false ? $size : 0; - } else { - $offset = 0; - $flags|= NET_SFTP_OPEN_TRUNCATE; - } - - $packet = pack('Na*N2', strlen($remote_file), $remote_file, $flags, 0); - if (!$this->send_sftp_packet(NET_SFTP_OPEN, $packet)) { - return false; - } - - $response = $this->get_sftp_packet(); - switch ($this->packet_type) { - case NET_SFTP_HANDLE: - $handle = substr($response, 4); - break; - case NET_SFTP_STATUS: - $this->logError($response); - return false; - default: - throw new \UnexpectedValueException('Expected SSH_FXP_HANDLE or SSH_FXP_STATUS'); - } - - // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.2.3 - $dataCallback = false; - switch (true) { - case $mode & self::SOURCE_CALLBACK: - if (!is_callable($data)) { - throw new \BadFunctionCallException("\$data should be is_callable() if you specify SOURCE_CALLBACK flag"); - } - $dataCallback = $data; - // do nothing - break; - case is_resource($data): - $mode = $mode & ~self::SOURCE_LOCAL_FILE; - $fp = $data; - break; - case $mode & self::SOURCE_LOCAL_FILE: - if (!is_file($data)) { - throw new FileNotFoundException("$data is not a valid file"); - } - $fp = @fopen($data, 'rb'); - if (!$fp) { - return false; - } - } - - if (isset($fp)) { - $stat = fstat($fp); - $size = $stat['size']; - - if ($local_start >= 0) { - fseek($fp, $local_start); - $size-= $local_start; - } - } elseif ($dataCallback) { - $size = 0; - } else { - $size = strlen($data); - } - - $sent = 0; - $size = $size < 0 ? ($size & 0x7FFFFFFF) + 0x80000000 : $size; - - $sftp_packet_size = 4096; // PuTTY uses 4096 - // make the SFTP packet be exactly 4096 bytes by including the bytes in the NET_SFTP_WRITE packets "header" - $sftp_packet_size-= strlen($handle) + 25; - $i = 0; - while ($dataCallback || ($size === 0 || $sent < $size)) { - if ($dataCallback) { - $temp = call_user_func($dataCallback, $sftp_packet_size); - if (is_null($temp)) { - break; - } - } else { - $temp = isset($fp) ? fread($fp, $sftp_packet_size) : substr($data, $sent, $sftp_packet_size); - if ($temp === false || $temp === '') { - break; - } - } - - $subtemp = $offset + $sent; - $packet = pack('Na*N3a*', strlen($handle), $handle, $subtemp / 4294967296, $subtemp, strlen($temp), $temp); - if (!$this->send_sftp_packet(NET_SFTP_WRITE, $packet)) { - if ($mode & self::SOURCE_LOCAL_FILE) { - fclose($fp); - } - return false; - } - $sent+= strlen($temp); - if (is_callable($progressCallback)) { - call_user_func($progressCallback, $sent); - } - - $i++; - - if ($i == NET_SFTP_QUEUE_SIZE) { - if (!$this->read_put_responses($i)) { - $i = 0; - break; - } - $i = 0; - } - } - - if (!$this->read_put_responses($i)) { - if ($mode & self::SOURCE_LOCAL_FILE) { - fclose($fp); - } - $this->close_handle($handle); - return false; - } - - if ($mode & self::SOURCE_LOCAL_FILE) { - fclose($fp); - } - - return $this->close_handle($handle); - } - - /** - * Reads multiple successive SSH_FXP_WRITE responses - * - * Sending an SSH_FXP_WRITE packet and immediately reading its response isn't as efficient as blindly sending out $i - * SSH_FXP_WRITEs, in succession, and then reading $i responses. - * - * @param int $i - * @return bool - * @throws \UnexpectedValueException on receipt of unexpected packets - * @access private - */ - private function read_put_responses($i) - { - while ($i--) { - $response = $this->get_sftp_packet(); - if ($this->packet_type != NET_SFTP_STATUS) { - throw new \UnexpectedValueException('Expected SSH_FXP_STATUS'); - } - - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nstatus', Strings::shift($response, 4))); - if ($status != NET_SFTP_STATUS_OK) { - $this->logError($response, $status); - break; - } - } - - return $i < 0; - } - - /** - * Close handle - * - * @param string $handle - * @return bool - * @throws \UnexpectedValueException on receipt of unexpected packets - * @access private - */ - private function close_handle($handle) - { - if (!$this->send_sftp_packet(NET_SFTP_CLOSE, pack('Na*', strlen($handle), $handle))) { - return false; - } - - // "The client MUST release all resources associated with the handle regardless of the status." - // -- http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.1.3 - $response = $this->get_sftp_packet(); - if ($this->packet_type != NET_SFTP_STATUS) { - throw new \UnexpectedValueException('Expected SSH_FXP_STATUS'); - } - - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nstatus', Strings::shift($response, 4))); - if ($status != NET_SFTP_STATUS_OK) { - $this->logError($response, $status); - return false; - } - - return true; - } - - /** - * Downloads a file from the SFTP server. - * - * Returns a string containing the contents of $remote_file if $local_file is left undefined or a boolean false if - * the operation was unsuccessful. If $local_file is defined, returns true or false depending on the success of the - * operation. - * - * $offset and $length can be used to download files in chunks. - * - * @param string $remote_file - * @param string $local_file - * @param int $offset - * @param int $length - * @throws \UnexpectedValueException on receipt of unexpected packets - * @return mixed - * @access public - */ - public function get($remote_file, $local_file = false, $offset = 0, $length = -1) - { - if (!($this->bitmap & SSH2::MASK_LOGIN)) { - return false; - } - - $remote_file = $this->realpath($remote_file); - if ($remote_file === false) { - return false; - } - - $packet = pack('Na*N2', strlen($remote_file), $remote_file, NET_SFTP_OPEN_READ, 0); - if (!$this->send_sftp_packet(NET_SFTP_OPEN, $packet)) { - return false; - } - - $response = $this->get_sftp_packet(); - switch ($this->packet_type) { - case NET_SFTP_HANDLE: - $handle = substr($response, 4); - break; - case NET_SFTP_STATUS: // presumably SSH_FX_NO_SUCH_FILE or SSH_FX_PERMISSION_DENIED - $this->logError($response); - return false; - default: - throw new \UnexpectedValueException('Expected SSH_FXP_HANDLE or SSH_FXP_STATUS'); - } - - if (is_resource($local_file)) { - $fp = $local_file; - $stat = fstat($fp); - $res_offset = $stat['size']; - } else { - $res_offset = 0; - if ($local_file !== false) { - $fp = fopen($local_file, 'wb'); - if (!$fp) { - return false; - } - } else { - $content = ''; - } - } - - $fclose_check = $local_file !== false && !is_resource($local_file); - - $start = $offset; - $read = 0; - while (true) { - $i = 0; - - while ($i < NET_SFTP_QUEUE_SIZE && ($length < 0 || $read < $length)) { - $tempoffset = $start + $read; - - $packet_size = $length > 0 ? min($this->max_sftp_packet, $length - $read) : $this->max_sftp_packet; - - $packet = pack('Na*N3', strlen($handle), $handle, $tempoffset / 4294967296, $tempoffset, $packet_size); - if (!$this->send_sftp_packet(NET_SFTP_READ, $packet)) { - if ($fclose_check) { - fclose($fp); - } - return false; - } - $packet = null; - $read+= $packet_size; - $i++; - } - - if (!$i) { - break; - } - - $clear_responses = false; - while ($i > 0) { - $i--; - - if ($clear_responses) { - $this->get_sftp_packet(); - continue; - } else { - $response = $this->get_sftp_packet(); - } - - switch ($this->packet_type) { - case NET_SFTP_DATA: - $temp = substr($response, 4); - $offset+= strlen($temp); - if ($local_file === false) { - $content.= $temp; - } else { - fputs($fp, $temp); - } - $temp = null; - break; - case NET_SFTP_STATUS: - // could, in theory, return false if !strlen($content) but we'll hold off for the time being - $this->logError($response); - $clear_responses = true; // don't break out of the loop yet, so we can read the remaining responses - break; - default: - if ($fclose_check) { - fclose($fp); - } - throw new \UnexpectedValueException('Expected SSH_FXP_DATA or SSH_FXP_STATUS'); - } - $response = null; - } - - if ($clear_responses) { - break; - } - } - - if ($length > 0 && $length <= $offset - $start) { - if ($local_file === false) { - $content = substr($content, 0, $length); - } else { - ftruncate($fp, $length + $res_offset); - } - } - - if ($fclose_check) { - fclose($fp); - } - - if (!$this->close_handle($handle)) { - return false; - } - - // if $content isn't set that means a file was written to - return isset($content) ? $content : true; - } - - /** - * Deletes a file on the SFTP server. - * - * @param string $path - * @param bool $recursive - * @return bool - * @throws \UnexpectedValueException on receipt of unexpected packets - * @access public - */ - public function delete($path, $recursive = true) - { - if (!($this->bitmap & SSH2::MASK_LOGIN)) { - return false; - } - - if (is_object($path)) { - // It's an object. Cast it as string before we check anything else. - $path = (string) $path; - } - - if (!is_string($path) || $path == '') { - return false; - } - - $path = $this->realpath($path); - if ($path === false) { - return false; - } - - // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.3 - if (!$this->send_sftp_packet(NET_SFTP_REMOVE, pack('Na*', strlen($path), $path))) { - return false; - } - - $response = $this->get_sftp_packet(); - if ($this->packet_type != NET_SFTP_STATUS) { - throw new \UnexpectedValueException('Expected SSH_FXP_STATUS'); - } - - // if $status isn't SSH_FX_OK it's probably SSH_FX_NO_SUCH_FILE or SSH_FX_PERMISSION_DENIED - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nstatus', Strings::shift($response, 4))); - if ($status != NET_SFTP_STATUS_OK) { - $this->logError($response, $status); - if (!$recursive) { - return false; - } - $i = 0; - $result = $this->delete_recursive($path, $i); - $this->read_put_responses($i); - return $result; - } - - $this->remove_from_stat_cache($path); - - return true; - } - - /** - * Recursively deletes directories on the SFTP server - * - * Minimizes directory lookups and SSH_FXP_STATUS requests for speed. - * - * @param string $path - * @param int $i - * @return bool - * @access private - */ - private function delete_recursive($path, &$i) - { - if (!$this->read_put_responses($i)) { - return false; - } - $i = 0; - $entries = $this->readlist($path, true); - - // normally $entries would have at least . and .. but it might not if the directories - // permissions didn't allow reading - if (empty($entries)) { - return false; - } - - unset($entries['.'], $entries['..']); - foreach ($entries as $filename => $props) { - if (!isset($props['type'])) { - return false; - } - - $temp = $path . '/' . $filename; - if ($props['type'] == NET_SFTP_TYPE_DIRECTORY) { - if (!$this->delete_recursive($temp, $i)) { - return false; - } - } else { - if (!$this->send_sftp_packet(NET_SFTP_REMOVE, pack('Na*', strlen($temp), $temp))) { - return false; - } - $this->remove_from_stat_cache($temp); - - $i++; - - if ($i >= NET_SFTP_QUEUE_SIZE) { - if (!$this->read_put_responses($i)) { - return false; - } - $i = 0; - } - } - } - - if (!$this->send_sftp_packet(NET_SFTP_RMDIR, pack('Na*', strlen($path), $path))) { - return false; - } - $this->remove_from_stat_cache($path); - - $i++; - - if ($i >= NET_SFTP_QUEUE_SIZE) { - if (!$this->read_put_responses($i)) { - return false; - } - $i = 0; - } - - return true; - } - - /** - * Checks whether a file or directory exists - * - * @param string $path - * @return bool - * @access public - */ - public function file_exists($path) - { - if ($this->use_stat_cache) { - $path = $this->realpath($path); - - $result = $this->query_stat_cache($path); - - if (isset($result)) { - // return true if $result is an array or if it's an stdClass object - return $result !== false; - } - } - - return $this->stat($path) !== false; - } - - /** - * Tells whether the filename is a directory - * - * @param string $path - * @return bool - * @access public - */ - public function is_dir($path) - { - $result = $this->get_stat_cache_prop($path, 'type'); - if ($result === false) { - return false; - } - return $result === NET_SFTP_TYPE_DIRECTORY; - } - - /** - * Tells whether the filename is a regular file - * - * @param string $path - * @return bool - * @access public - */ - public function is_file($path) - { - $result = $this->get_stat_cache_prop($path, 'type'); - if ($result === false) { - return false; - } - return $result === NET_SFTP_TYPE_REGULAR; - } - - /** - * Tells whether the filename is a symbolic link - * - * @param string $path - * @return bool - * @access public - */ - public function is_link($path) - { - $result = $this->get_lstat_cache_prop($path, 'type'); - if ($result === false) { - return false; - } - return $result === NET_SFTP_TYPE_SYMLINK; - } - - /** - * Tells whether a file exists and is readable - * - * @param string $path - * @return bool - * @access public - */ - public function is_readable($path) - { - $path = $this->realpath($path); - - $packet = pack('Na*N2', strlen($path), $path, NET_SFTP_OPEN_READ, 0); - if (!$this->send_sftp_packet(NET_SFTP_OPEN, $packet)) { - return false; - } - - $response = $this->get_sftp_packet(); - switch ($this->packet_type) { - case NET_SFTP_HANDLE: - return true; - case NET_SFTP_STATUS: // presumably SSH_FX_NO_SUCH_FILE or SSH_FX_PERMISSION_DENIED - return false; - default: - user_error('Expected SSH_FXP_HANDLE or SSH_FXP_STATUS'); - return false; - } - } - - /** - * Tells whether the filename is writable - * - * @param string $path - * @return bool - * @access public - */ - public function is_writable($path) - { - $path = $this->realpath($path); - - $packet = pack('Na*N2', strlen($path), $path, NET_SFTP_OPEN_WRITE, 0); - if (!$this->send_sftp_packet(NET_SFTP_OPEN, $packet)) { - return false; - } - - $response = $this->get_sftp_packet(); - switch ($this->packet_type) { - case NET_SFTP_HANDLE: - return true; - case NET_SFTP_STATUS: // presumably SSH_FX_NO_SUCH_FILE or SSH_FX_PERMISSION_DENIED - return false; - default: - user_error('Expected SSH_FXP_HANDLE or SSH_FXP_STATUS'); - return false; - } - } - - /** - * Tells whether the filename is writeable - * - * Alias of is_writable - * - * @param string $path - * @return bool - * @access public - */ - public function is_writeable($path) - { - return $this->is_writable($path); - } - - /** - * Gets last access time of file - * - * @param string $path - * @return mixed - * @access public - */ - public function fileatime($path) - { - return $this->get_stat_cache_prop($path, 'atime'); - } - - /** - * Gets file modification time - * - * @param string $path - * @return mixed - * @access public - */ - public function filemtime($path) - { - return $this->get_stat_cache_prop($path, 'mtime'); - } - - /** - * Gets file permissions - * - * @param string $path - * @return mixed - * @access public - */ - public function fileperms($path) - { - return $this->get_stat_cache_prop($path, 'permissions'); - } - - /** - * Gets file owner - * - * @param string $path - * @return mixed - * @access public - */ - public function fileowner($path) - { - return $this->get_stat_cache_prop($path, 'uid'); - } - - /** - * Gets file group - * - * @param string $path - * @return mixed - * @access public - */ - public function filegroup($path) - { - return $this->get_stat_cache_prop($path, 'gid'); - } - - /** - * Gets file size - * - * @param string $path - * @return mixed - * @access public - */ - public function filesize($path) - { - return $this->get_stat_cache_prop($path, 'size'); - } - - /** - * Gets file type - * - * @param string $path - * @return mixed - * @access public - */ - public function filetype($path) - { - $type = $this->get_stat_cache_prop($path, 'type'); - if ($type === false) { - return false; - } - - switch ($type) { - case NET_SFTP_TYPE_BLOCK_DEVICE: - return 'block'; - case NET_SFTP_TYPE_CHAR_DEVICE: - return 'char'; - case NET_SFTP_TYPE_DIRECTORY: - return 'dir'; - case NET_SFTP_TYPE_FIFO: - return 'fifo'; - case NET_SFTP_TYPE_REGULAR: - return 'file'; - case NET_SFTP_TYPE_SYMLINK: - return 'link'; - default: - return false; - } - } - - /** - * Return a stat properity - * - * Uses cache if appropriate. - * - * @param string $path - * @param string $prop - * @return mixed - * @access private - */ - private function get_stat_cache_prop($path, $prop) - { - return $this->get_xstat_cache_prop($path, $prop, 'stat'); - } - - /** - * Return an lstat properity - * - * Uses cache if appropriate. - * - * @param string $path - * @param string $prop - * @return mixed - * @access private - */ - private function get_lstat_cache_prop($path, $prop) - { - return $this->get_xstat_cache_prop($path, $prop, 'lstat'); - } - - /** - * Return a stat or lstat properity - * - * Uses cache if appropriate. - * - * @param string $path - * @param string $prop - * @return mixed - * @access private - */ - private function get_xstat_cache_prop($path, $prop, $type) - { - if ($this->use_stat_cache) { - $path = $this->realpath($path); - - $result = $this->query_stat_cache($path); - - if (is_object($result) && isset($result->$type)) { - return $result->{$type}[$prop]; - } - } - - $result = $this->$type($path); - - if ($result === false || !isset($result[$prop])) { - return false; - } - - return $result[$prop]; - } - - /** - * Renames a file or a directory on the SFTP server - * - * @param string $oldname - * @param string $newname - * @return bool - * @throws \UnexpectedValueException on receipt of unexpected packets - * @access public - */ - public function rename($oldname, $newname) - { - if (!($this->bitmap & SSH2::MASK_LOGIN)) { - return false; - } - - $oldname = $this->realpath($oldname); - $newname = $this->realpath($newname); - if ($oldname === false || $newname === false) { - return false; - } - - // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.3 - $packet = pack('Na*Na*', strlen($oldname), $oldname, strlen($newname), $newname); - if (!$this->send_sftp_packet(NET_SFTP_RENAME, $packet)) { - return false; - } - - $response = $this->get_sftp_packet(); - if ($this->packet_type != NET_SFTP_STATUS) { - throw new \UnexpectedValueException('Expected SSH_FXP_STATUS'); - } - - // if $status isn't SSH_FX_OK it's probably SSH_FX_NO_SUCH_FILE or SSH_FX_PERMISSION_DENIED - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nstatus', Strings::shift($response, 4))); - if ($status != NET_SFTP_STATUS_OK) { - $this->logError($response, $status); - return false; - } - - // don't move the stat cache entry over since this operation could very well change the - // atime and mtime attributes - //$this->update_stat_cache($newname, $this->query_stat_cache($oldname)); - $this->remove_from_stat_cache($oldname); - $this->remove_from_stat_cache($newname); - - return true; - } - - /** - * Parse Attributes - * - * See '7. File Attributes' of draft-ietf-secsh-filexfer-13 for more info. - * - * @param string $response - * @return array - * @access private - */ - private function parseAttributes(&$response) - { - $attr = []; - if (strlen($response) < 4) { - //user_error('Malformed file attributes'); - return []; - } - extract(unpack('Nflags', Strings::shift($response, 4))); - // SFTPv4+ have a type field (a byte) that follows the above flag field - foreach ($this->attributes as $key => $value) { - switch ($flags & $key) { - case NET_SFTP_ATTR_SIZE: // 0x00000001 - // The size attribute is defined as an unsigned 64-bit integer. - // The following will use floats on 32-bit platforms, if necessary. - // As can be seen in the BigInteger class, floats are generally - // IEEE 754 binary64 "double precision" on such platforms and - // as such can represent integers of at least 2^50 without loss - // of precision. Interpreted in filesize, 2^50 bytes = 1024 TiB. - $attr['size'] = hexdec(Hex::encode(Strings::shift($response, 8))); - break; - case NET_SFTP_ATTR_UIDGID: // 0x00000002 (SFTPv3 only) - if (strlen($response) < 8) { - //user_error('Malformed file attributes'); - return $attr; - } - $attr+= unpack('Nuid/Ngid', Strings::shift($response, 8)); - break; - case NET_SFTP_ATTR_PERMISSIONS: // 0x00000004 - if (strlen($response) < 4) { - //user_error('Malformed file attributes'); - return $attr; - } - $attr+= unpack('Npermissions', Strings::shift($response, 4)); - // mode == permissions; permissions was the original array key and is retained for bc purposes. - // mode was added because that's the more industry standard terminology - $attr+= ['mode' => $attr['permissions']]; - $fileType = $this->parseMode($attr['permissions']); - if ($fileType !== false) { - $attr+= ['type' => $fileType]; - } - break; - case NET_SFTP_ATTR_ACCESSTIME: // 0x00000008 - if (strlen($response) < 8) { - //user_error('Malformed file attributes'); - return $attr; - } - $attr+= unpack('Natime/Nmtime', Strings::shift($response, 8)); - break; - case NET_SFTP_ATTR_EXTENDED: // 0x80000000 - if (strlen($response) < 4) { - //user_error('Malformed file attributes'); - return $attr; - } - extract(unpack('Ncount', Strings::shift($response, 4))); - for ($i = 0; $i < $count; $i++) { - if (strlen($response) < 4) { - //user_error('Malformed file attributes'); - return $attr; - } - extract(unpack('Nlength', Strings::shift($response, 4))); - $key = Strings::shift($response, $length); - if (strlen($response) < 4) { - //user_error('Malformed file attributes'); - return $attr; - } - extract(unpack('Nlength', Strings::shift($response, 4))); - $attr[$key] = Strings::shift($response, $length); - } - } - } - return $attr; - } - - /** - * Attempt to identify the file type - * - * Quoting the SFTP RFC, "Implementations MUST NOT send bits that are not defined" but they seem to anyway - * - * @param int $mode - * @return int - * @access private - */ - private function parseMode($mode) - { - // values come from http://lxr.free-electrons.com/source/include/uapi/linux/stat.h#L12 - // see, also, http://linux.die.net/man/2/stat - switch ($mode & 0170000) {// ie. 1111 0000 0000 0000 - case 0000000: // no file type specified - figure out the file type using alternative means - return false; - case 0040000: - return NET_SFTP_TYPE_DIRECTORY; - case 0100000: - return NET_SFTP_TYPE_REGULAR; - case 0120000: - return NET_SFTP_TYPE_SYMLINK; - // new types introduced in SFTPv5+ - // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-05#section-5.2 - case 0010000: // named pipe (fifo) - return NET_SFTP_TYPE_FIFO; - case 0020000: // character special - return NET_SFTP_TYPE_CHAR_DEVICE; - case 0060000: // block special - return NET_SFTP_TYPE_BLOCK_DEVICE; - case 0140000: // socket - return NET_SFTP_TYPE_SOCKET; - case 0160000: // whiteout - // "SPECIAL should be used for files that are of - // a known type which cannot be expressed in the protocol" - return NET_SFTP_TYPE_SPECIAL; - default: - return NET_SFTP_TYPE_UNKNOWN; - } - } - - /** - * Parse Longname - * - * SFTPv3 doesn't provide any easy way of identifying a file type. You could try to open - * a file as a directory and see if an error is returned or you could try to parse the - * SFTPv3-specific longname field of the SSH_FXP_NAME packet. That's what this function does. - * The result is returned using the - * {@link http://tools.ietf.org/html/draft-ietf-secsh-filexfer-04#section-5.2 SFTPv4 type constants}. - * - * If the longname is in an unrecognized format bool(false) is returned. - * - * @param string $longname - * @return mixed - * @access private - */ - private function parseLongname($longname) - { - // http://en.wikipedia.org/wiki/Unix_file_types - // http://en.wikipedia.org/wiki/Filesystem_permissions#Notation_of_traditional_Unix_permissions - if (preg_match('#^[^/]([r-][w-][xstST-]){3}#', $longname)) { - switch ($longname[0]) { - case '-': - return NET_SFTP_TYPE_REGULAR; - case 'd': - return NET_SFTP_TYPE_DIRECTORY; - case 'l': - return NET_SFTP_TYPE_SYMLINK; - default: - return NET_SFTP_TYPE_SPECIAL; - } - } - - return false; - } - - /** - * Sends SFTP Packets - * - * See '6. General Packet Format' of draft-ietf-secsh-filexfer-13 for more info. - * - * @param int $type - * @param string $data - * @see self::_get_sftp_packet() - * @see self::_send_channel_packet() - * @return bool - * @access private - */ - private function send_sftp_packet($type, $data) - { - $packet = $this->request_id !== false ? - pack('NCNa*', strlen($data) + 5, $type, $this->request_id, $data) : - pack('NCa*', strlen($data) + 1, $type, $data); - - $start = strtok(microtime(), ' ') + strtok(''); // http://php.net/microtime#61838 - $result = $this->send_channel_packet(self::CHANNEL, $packet); - $stop = strtok(microtime(), ' ') + strtok(''); - - if (defined('NET_SFTP_LOGGING')) { - $packet_type = '-> ' . $this->packet_types[$type] . - ' (' . round($stop - $start, 4) . 's)'; - if (NET_SFTP_LOGGING == self::LOG_REALTIME) { - echo "
\r\n" . $this->format_log([$data], [$packet_type]) . "\r\n
\r\n"; - flush(); - ob_flush(); - } else { - $this->packet_type_log[] = $packet_type; - if (NET_SFTP_LOGGING == self::LOG_COMPLEX) { - $this->packet_log[] = $data; - } - } - } - - return $result; - } - - /** - * Receives SFTP Packets - * - * See '6. General Packet Format' of draft-ietf-secsh-filexfer-13 for more info. - * - * Incidentally, the number of SSH_MSG_CHANNEL_DATA messages has no bearing on the number of SFTP packets present. - * There can be one SSH_MSG_CHANNEL_DATA messages containing two SFTP packets or there can be two SSH_MSG_CHANNEL_DATA - * messages containing one SFTP packet. - * - * @see self::_send_sftp_packet() - * @return string - * @access private - */ - private function get_sftp_packet() - { - $this->curTimeout = false; - - $start = strtok(microtime(), ' ') + strtok(''); // http://php.net/microtime#61838 - - // SFTP packet length - while (strlen($this->packet_buffer) < 4) { - $temp = $this->get_channel_packet(self::CHANNEL); - if (is_bool($temp)) { - $this->packet_type = false; - $this->packet_buffer = ''; - return false; - } - $this->packet_buffer.= $temp; - } - if (strlen($this->packet_buffer) < 4) { - return false; - } - extract(unpack('Nlength', Strings::shift($this->packet_buffer, 4))); - $tempLength = $length; - $tempLength-= strlen($this->packet_buffer); - - // SFTP packet type and data payload - while ($tempLength > 0) { - $temp = $this->get_channel_packet(self::CHANNEL); - if (is_bool($temp)) { - $this->packet_type = false; - $this->packet_buffer = ''; - return false; - } - $this->packet_buffer.= $temp; - $tempLength-= strlen($temp); - } - - $stop = strtok(microtime(), ' ') + strtok(''); - - $this->packet_type = ord(Strings::shift($this->packet_buffer)); - - if ($this->request_id !== false) { - Strings::shift($this->packet_buffer, 4); // remove the request id - $length-= 5; // account for the request id and the packet type - } else { - $length-= 1; // account for the packet type - } - - $packet = Strings::shift($this->packet_buffer, $length); - - if (defined('NET_SFTP_LOGGING')) { - $packet_type = '<- ' . $this->packet_types[$this->packet_type] . - ' (' . round($stop - $start, 4) . 's)'; - if (NET_SFTP_LOGGING == self::LOG_REALTIME) { - echo "
\r\n" . $this->format_log([$packet], [$packet_type]) . "\r\n
\r\n"; - flush(); - ob_flush(); - } else { - $this->packet_type_log[] = $packet_type; - if (NET_SFTP_LOGGING == self::LOG_COMPLEX) { - $this->packet_log[] = $packet; - } - } - } - - return $packet; - } - - /** - * Returns a log of the packets that have been sent and received. - * - * Returns a string if NET_SFTP_LOGGING == self::LOG_COMPLEX, an array if NET_SFTP_LOGGING == self::LOG_SIMPLE and false if !defined('NET_SFTP_LOGGING') - * - * @access public - * @return string or Array - */ - public function getSFTPLog() - { - if (!defined('NET_SFTP_LOGGING')) { - return false; - } - - switch (NET_SFTP_LOGGING) { - case self::LOG_COMPLEX: - return $this->format_log($this->packet_log, $this->packet_type_log); - break; - //case self::LOG_SIMPLE: - default: - return $this->packet_type_log; - } - } - - /** - * Returns all errors - * - * @return string - * @access public - */ - public function getSFTPErrors() - { - return $this->sftp_errors; - } - - /** - * Returns the last error - * - * @return string - * @access public - */ - public function getLastSFTPError() - { - return count($this->sftp_errors) ? $this->sftp_errors[count($this->sftp_errors) - 1] : ''; - } - - /** - * Get supported SFTP versions - * - * @return array - * @access public - */ - public function getSupportedVersions() - { - $temp = ['version' => $this->version]; - if (isset($this->extensions['versions'])) { - $temp['extensions'] = $this->extensions['versions']; - } - return $temp; - } - - /** - * Disconnect - * - * @param int $reason - * @return bool - * @access private - */ - private function disconnect_helper($reason) - { - $this->pwd = false; - parent::disconnect_helper($reason); - } -} diff --git a/lib/phpaes/phpseclib/Net/SFTP/Stream.php b/lib/phpaes/phpseclib/Net/SFTP/Stream.php deleted file mode 100644 index a0c3bd3a39..0000000000 --- a/lib/phpaes/phpseclib/Net/SFTP/Stream.php +++ /dev/null @@ -1,795 +0,0 @@ - - * @copyright 2013 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Net\SFTP; - -use phpseclib\Crypt\RSA; -use phpseclib\Net\SFTP; -use phpseclib\Net\SSH2; - -/** - * SFTP Stream Wrapper - * - * @package SFTP - * @author Jim Wigginton - * @access public - */ -class Stream -{ - /** - * SFTP instances - * - * Rather than re-create the connection we re-use instances if possible - * - * @var array - */ - static $instances; - - /** - * SFTP instance - * - * @var object - * @access private - */ - private $sftp; - - /** - * Path - * - * @var string - * @access private - */ - private $path; - - /** - * Mode - * - * @var string - * @access private - */ - private $mode; - - /** - * Position - * - * @var int - * @access private - */ - private $pos; - - /** - * Size - * - * @var int - * @access private - */ - private $size; - - /** - * Directory entries - * - * @var array - * @access private - */ - private $entries; - - /** - * EOF flag - * - * @var bool - * @access private - */ - private $eof; - - /** - * Context resource - * - * Technically this needs to be publically accessible so PHP can set it directly - * - * @var resource - * @access public - */ - public $context; - - /** - * Notification callback function - * - * @var callable - * @access public - */ - private $notification; - - /** - * Registers this class as a URL wrapper. - * - * @param string $protocol The wrapper name to be registered. - * @return bool True on success, false otherwise. - * @access public - */ - public static function register($protocol = 'sftp') - { - if (in_array($protocol, stream_get_wrappers(), true)) { - return false; - } - return stream_wrapper_register($protocol, get_called_class()); - } - - /** - * The Constructor - * - * @access public - */ - public function __construct() - { - if (defined('NET_SFTP_STREAM_LOGGING')) { - echo "__construct()\r\n"; - } - } - - /** - * Path Parser - * - * Extract a path from a URI and actually connect to an SSH server if appropriate - * - * If "notification" is set as a context parameter the message code for successful login is - * NET_SSH2_MSG_USERAUTH_SUCCESS. For a failed login it's NET_SSH2_MSG_USERAUTH_FAILURE. - * - * @param string $path - * @return string - * @access private - */ - private function parse_path($path) - { - $orig = $path; - extract(parse_url($path) + ['port' => 22]); - if (isset($query)) { - $path.= '?' . $query; - } elseif (preg_match('/(\?|\?#)$/', $orig)) { - $path.= '?'; - } - if (isset($fragment)) { - $path.= '#' . $fragment; - } elseif ($orig[strlen($orig) - 1] == '#') { - $path.= '#'; - } - - if (!isset($host)) { - return false; - } - - if (isset($this->context)) { - $context = stream_context_get_params($this->context); - if (isset($context['notification'])) { - $this->notification = $context['notification']; - } - } - - if (preg_match('/^{[a-z0-9]+}$/i', $host)) { - $host = SSH2::getConnectionByResourceId($host); - if ($host === false) { - return false; - } - $this->sftp = $host; - } else { - if (isset($this->context)) { - $context = stream_context_get_options($this->context); - } - if (isset($context[$scheme]['session'])) { - $sftp = $context[$scheme]['session']; - } - if (isset($context[$scheme]['sftp'])) { - $sftp = $context[$scheme]['sftp']; - } - if (isset($sftp) && $sftp instanceof SFTP) { - $this->sftp = $sftp; - return $path; - } - if (isset($context[$scheme]['username'])) { - $user = $context[$scheme]['username']; - } - if (isset($context[$scheme]['password'])) { - $pass = $context[$scheme]['password']; - } - if (isset($context[$scheme]['privkey']) && $context[$scheme]['privkey'] instanceof RSA) { - $pass = $context[$scheme]['privkey']; - } - - if (!isset($user) || !isset($pass)) { - return false; - } - - // casting $pass to a string is necessary in the event that it's a \phpseclib\Crypt\RSA object - if (isset(self::$instances[$host][$port][$user][(string) $pass])) { - $this->sftp = self::$instances[$host][$port][$user][(string) $pass]; - } else { - $this->sftp = new SFTP($host, $port); - $this->sftp->disableStatCache(); - if (isset($this->notification) && is_callable($this->notification)) { - /* if !is_callable($this->notification) we could do this: - - user_error('fopen(): failed to call user notifier', E_USER_WARNING); - - the ftp wrapper gives errors like that when the notifier isn't callable. - i've opted not to do that, however, since the ftp wrapper gives the line - on which the fopen occurred as the line number - not the line that the - user_error is on. - */ - call_user_func($this->notification, STREAM_NOTIFY_CONNECT, STREAM_NOTIFY_SEVERITY_INFO, '', 0, 0, 0); - call_user_func($this->notification, STREAM_NOTIFY_AUTH_REQUIRED, STREAM_NOTIFY_SEVERITY_INFO, '', 0, 0, 0); - if (!$this->sftp->login($user, $pass)) { - call_user_func($this->notification, STREAM_NOTIFY_AUTH_RESULT, STREAM_NOTIFY_SEVERITY_ERR, 'Login Failure', NET_SSH2_MSG_USERAUTH_FAILURE, 0, 0); - return false; - } - call_user_func($this->notification, STREAM_NOTIFY_AUTH_RESULT, STREAM_NOTIFY_SEVERITY_INFO, 'Login Success', NET_SSH2_MSG_USERAUTH_SUCCESS, 0, 0); - } else { - if (!$this->sftp->login($user, $pass)) { - return false; - } - } - self::$instances[$host][$port][$user][(string) $pass] = $this->sftp; - } - } - - return $path; - } - - /** - * Opens file or URL - * - * @param string $path - * @param string $mode - * @param int $options - * @param string $opened_path - * @return bool - * @access public - */ - private function _stream_open($path, $mode, $options, &$opened_path) - { - $path = $this->parse_path($path); - - if ($path === false) { - return false; - } - $this->path = $path; - - $this->size = $this->sftp->size($path); - $this->mode = preg_replace('#[bt]$#', '', $mode); - $this->eof = false; - - if ($this->size === false) { - if ($this->mode[0] == 'r') { - return false; - } else { - $this->sftp->touch($path); - $this->size = 0; - } - } else { - switch ($this->mode[0]) { - case 'x': - return false; - case 'w': - $this->sftp->truncate($path, 0); - $this->size = 0; - } - } - - $this->pos = $this->mode[0] != 'a' ? 0 : $this->size; - - return true; - } - - /** - * Read from stream - * - * @param int $count - * @return mixed - * @access public - */ - private function _stream_read($count) - { - switch ($this->mode) { - case 'w': - case 'a': - case 'x': - case 'c': - return false; - } - - // commented out because some files - eg. /dev/urandom - will say their size is 0 when in fact it's kinda infinite - //if ($this->pos >= $this->size) { - // $this->eof = true; - // return false; - //} - - $result = $this->sftp->get($this->path, false, $this->pos, $count); - if (isset($this->notification) && is_callable($this->notification)) { - if ($result === false) { - call_user_func($this->notification, STREAM_NOTIFY_FAILURE, STREAM_NOTIFY_SEVERITY_ERR, $this->sftp->getLastSFTPError(), NET_SFTP_OPEN, 0, 0); - return 0; - } - // seems that PHP calls stream_read in 8k chunks - call_user_func($this->notification, STREAM_NOTIFY_PROGRESS, STREAM_NOTIFY_SEVERITY_INFO, '', 0, strlen($result), $this->size); - } - - if (empty($result)) { // ie. false or empty string - $this->eof = true; - return false; - } - $this->pos+= strlen($result); - - return $result; - } - - /** - * Write to stream - * - * @param string $data - * @return mixed - * @access public - */ - private function _stream_write($data) - { - switch ($this->mode) { - case 'r': - return false; - } - - $result = $this->sftp->put($this->path, $data, SFTP::SOURCE_STRING, $this->pos); - if (isset($this->notification) && is_callable($this->notification)) { - if (!$result) { - call_user_func($this->notification, STREAM_NOTIFY_FAILURE, STREAM_NOTIFY_SEVERITY_ERR, $this->sftp->getLastSFTPError(), NET_SFTP_OPEN, 0, 0); - return 0; - } - // seems that PHP splits up strings into 8k blocks before calling stream_write - call_user_func($this->notification, STREAM_NOTIFY_PROGRESS, STREAM_NOTIFY_SEVERITY_INFO, '', 0, strlen($data), strlen($data)); - } - - if ($result === false) { - return false; - } - $this->pos+= strlen($data); - if ($this->pos > $this->size) { - $this->size = $this->pos; - } - $this->eof = false; - return strlen($data); - } - - /** - * Retrieve the current position of a stream - * - * @return int - * @access public - */ - private function _stream_tell() - { - return $this->pos; - } - - /** - * Tests for end-of-file on a file pointer - * - * In my testing there are four classes functions that normally effect the pointer: - * fseek, fputs / fwrite, fgets / fread and ftruncate. - * - * Only fgets / fread, however, results in feof() returning true. do fputs($fp, 'aaa') on a blank file and feof() - * will return false. do fread($fp, 1) and feof() will then return true. do fseek($fp, 10) on ablank file and feof() - * will return false. do fread($fp, 1) and feof() will then return true. - * - * @return bool - * @access public - */ - private function _stream_eof() - { - return $this->eof; - } - - /** - * Seeks to specific location in a stream - * - * @param int $offset - * @param int $whence - * @return bool - * @access public - */ - private function _stream_seek($offset, $whence) - { - switch ($whence) { - case SEEK_SET: - if ($offset >= $this->size || $offset < 0) { - return false; - } - break; - case SEEK_CUR: - $offset+= $this->pos; - break; - case SEEK_END: - $offset+= $this->size; - } - - $this->pos = $offset; - $this->eof = false; - return true; - } - - /** - * Change stream options - * - * @param string $path - * @param int $option - * @param mixed $var - * @return bool - * @access public - */ - private function _stream_metadata($path, $option, $var) - { - $path = $this->parse_path($path); - if ($path === false) { - return false; - } - - // stream_metadata was introduced in PHP 5.4.0 but as of 5.4.11 the constants haven't been defined - // see http://www.php.net/streamwrapper.stream-metadata and https://bugs.php.net/64246 - // and https://github.com/php/php-src/blob/master/main/php_streams.h#L592 - switch ($option) { - case 1: // PHP_STREAM_META_TOUCH - return $this->sftp->touch($path, $var[0], $var[1]); - case 2: // PHP_STREAM_OWNER_NAME - case 3: // PHP_STREAM_GROUP_NAME - return false; - case 4: // PHP_STREAM_META_OWNER - return $this->sftp->chown($path, $var); - case 5: // PHP_STREAM_META_GROUP - return $this->sftp->chgrp($path, $var); - case 6: // PHP_STREAM_META_ACCESS - return $this->sftp->chmod($path, $var) !== false; - } - } - - /** - * Retrieve the underlaying resource - * - * @param int $cast_as - * @return resource - * @access public - */ - private function _stream_cast($cast_as) - { - return $this->sftp->fsock; - } - - /** - * Advisory file locking - * - * @param int $operation - * @return bool - * @access public - */ - private function _stream_lock($operation) - { - return false; - } - - /** - * Renames a file or directory - * - * Attempts to rename oldname to newname, moving it between directories if necessary. - * If newname exists, it will be overwritten. This is a departure from what \phpseclib\Net\SFTP - * does. - * - * @param string $path_from - * @param string $path_to - * @return bool - * @access public - */ - private function _rename($path_from, $path_to) - { - $path1 = parse_url($path_from); - $path2 = parse_url($path_to); - unset($path1['path'], $path2['path']); - if ($path1 != $path2) { - return false; - } - - $path_from = $this->parse_path($path_from); - $path_to = parse_url($path_to); - if ($path_from === false) { - return false; - } - - $path_to = $path_to['path']; // the $component part of parse_url() was added in PHP 5.1.2 - // "It is an error if there already exists a file with the name specified by newpath." - // -- http://tools.ietf.org/html/draft-ietf-secsh-filexfer-02#section-6.5 - if (!$this->sftp->rename($path_from, $path_to)) { - if ($this->sftp->stat($path_to)) { - return $this->sftp->delete($path_to, true) && $this->sftp->rename($path_from, $path_to); - } - return false; - } - - return true; - } - - /** - * Open directory handle - * - * The only $options is "whether or not to enforce safe_mode (0x04)". Since safe mode was deprecated in 5.3 and - * removed in 5.4 I'm just going to ignore it. - * - * Also, nlist() is the best that this function is realistically going to be able to do. When an SFTP client - * sends a SSH_FXP_READDIR packet you don't generally get info on just one file but on multiple files. Quoting - * the SFTP specs: - * - * The SSH_FXP_NAME response has the following format: - * - * uint32 id - * uint32 count - * repeats count times: - * string filename - * string longname - * ATTRS attrs - * - * @param string $path - * @param int $options - * @return bool - * @access public - */ - private function _dir_opendir($path, $options) - { - $path = $this->parse_path($path); - if ($path === false) { - return false; - } - $this->pos = 0; - $this->entries = $this->sftp->nlist($path); - return $this->entries !== false; - } - - /** - * Read entry from directory handle - * - * @return mixed - * @access public - */ - private function _dir_readdir() - { - if (isset($this->entries[$this->pos])) { - return $this->entries[$this->pos++]; - } - return false; - } - - /** - * Rewind directory handle - * - * @return bool - * @access public - */ - private function _dir_rewinddir() - { - $this->pos = 0; - return true; - } - - /** - * Close directory handle - * - * @return bool - * @access public - */ - private function _dir_closedir() - { - return true; - } - - /** - * Create a directory - * - * Only valid $options is STREAM_MKDIR_RECURSIVE - * - * @param string $path - * @param int $mode - * @param int $options - * @return bool - * @access public - */ - private function _mkdir($path, $mode, $options) - { - $path = $this->parse_path($path); - if ($path === false) { - return false; - } - - return $this->sftp->mkdir($path, $mode, $options & STREAM_MKDIR_RECURSIVE); - } - - /** - * Removes a directory - * - * Only valid $options is STREAM_MKDIR_RECURSIVE per , however, - * does not have a $recursive parameter as mkdir() does so I don't know how - * STREAM_MKDIR_RECURSIVE is supposed to be set. Also, when I try it out with rmdir() I get 8 as - * $options. What does 8 correspond to? - * - * @param string $path - * @param int $mode - * @param int $options - * @return bool - * @access public - */ - private function _rmdir($path, $options) - { - $path = $this->parse_path($path); - if ($path === false) { - return false; - } - - return $this->sftp->rmdir($path); - } - - /** - * Flushes the output - * - * See . Always returns true because \phpseclib\Net\SFTP doesn't cache stuff before writing - * - * @return bool - * @access public - */ - private function _stream_flush() - { - return true; - } - - /** - * Retrieve information about a file resource - * - * @return mixed - * @access public - */ - private function _stream_stat() - { - $results = $this->sftp->stat($this->path); - if ($results === false) { - return false; - } - return $results; - } - - /** - * Delete a file - * - * @param string $path - * @return bool - * @access public - */ - private function _unlink($path) - { - $path = $this->parse_path($path); - if ($path === false) { - return false; - } - - return $this->sftp->delete($path, false); - } - - /** - * Retrieve information about a file - * - * Ignores the STREAM_URL_STAT_QUIET flag because the entirety of \phpseclib\Net\SFTP\Stream is quiet by default - * might be worthwhile to reconstruct bits 12-16 (ie. the file type) if mode doesn't have them but we'll - * cross that bridge when and if it's reached - * - * @param string $path - * @param int $flags - * @return mixed - * @access public - */ - private function _url_stat($path, $flags) - { - $path = $this->parse_path($path); - if ($path === false) { - return false; - } - - $results = $flags & STREAM_URL_STAT_LINK ? $this->sftp->lstat($path) : $this->sftp->stat($path); - if ($results === false) { - return false; - } - - return $results; - } - - /** - * Truncate stream - * - * @param int $new_size - * @return bool - * @access public - */ - private function _stream_truncate($new_size) - { - if (!$this->sftp->truncate($this->path, $new_size)) { - return false; - } - - $this->eof = false; - $this->size = $new_size; - - return true; - } - - /** - * Change stream options - * - * STREAM_OPTION_WRITE_BUFFER isn't supported for the same reason stream_flush isn't. - * The other two aren't supported because of limitations in \phpseclib\Net\SFTP. - * - * @param int $option - * @param int $arg1 - * @param int $arg2 - * @return bool - * @access public - */ - private function _stream_set_option($option, $arg1, $arg2) - { - return false; - } - - /** - * Close an resource - * - * @access public - */ - private function _stream_close() - { - } - - /** - * __call Magic Method - * - * When you're utilizing an SFTP stream you're not calling the methods in this class directly - PHP is calling them for you. - * Which kinda begs the question... what methods is PHP calling and what parameters is it passing to them? This function - * lets you figure that out. - * - * If NET_SFTP_STREAM_LOGGING is defined all calls will be output on the screen and then (regardless of whether or not - * NET_SFTP_STREAM_LOGGING is enabled) the parameters will be passed through to the appropriate method. - * - * @param string - * @param array - * @return mixed - * @access public - */ - public function __call($name, $arguments) - { - if (defined('NET_SFTP_STREAM_LOGGING')) { - echo $name . '('; - $last = count($arguments) - 1; - foreach ($arguments as $i => $argument) { - var_export($argument); - if ($i != $last) { - echo ','; - } - } - echo ")\r\n"; - } - $name = '_' . $name; - if (!method_exists($this, $name)) { - return false; - } - return call_user_func_array([$this, $name], $arguments); - } -} diff --git a/lib/phpaes/phpseclib/Net/SSH1.php b/lib/phpaes/phpseclib/Net/SSH1.php deleted file mode 100644 index edb4b5f341..0000000000 --- a/lib/phpaes/phpseclib/Net/SSH1.php +++ /dev/null @@ -1,1619 +0,0 @@ - - * login('username', 'password')) { - * exit('Login Failed'); - * } - * - * echo $ssh->exec('ls -la'); - * ?> - * - * - * Here's another short example: - * - * login('username', 'password')) { - * exit('Login Failed'); - * } - * - * echo $ssh->read('username@username:~$'); - * $ssh->write("ls -la\n"); - * echo $ssh->read('username@username:~$'); - * ?> - * - * - * More information on the SSHv1 specification can be found by reading - * {@link http://www.snailbook.com/docs/protocol-1.5.txt protocol-1.5.txt}. - * - * @category Net - * @package SSH1 - * @author Jim Wigginton - * @copyright 2007 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Net; - -use ParagonIE\ConstantTime\Hex; -use phpseclib\Crypt\DES; -use phpseclib\Crypt\Random; -use phpseclib\Crypt\TripleDES; -use phpseclib\Math\BigInteger; -use phpseclib\Common\Functions\Strings; - -/** - * Pure-PHP implementation of SSHv1. - * - * @package SSH1 - * @author Jim Wigginton - * @access public - */ -class SSH1 -{ - /**#@+ - * Encryption Methods - * - * @see \phpseclib\Net\SSH1::getSupportedCiphers() - * @access public - */ - /** - * No encryption - * - * Not supported. - */ - const CIPHER_NONE = 0; - /** - * IDEA in CFB mode - * - * Not supported. - */ - const CIPHER_IDEA = 1; - /** - * DES in CBC mode - */ - const CIPHER_DES = 2; - /** - * Triple-DES in CBC mode - * - * All implementations are required to support this - */ - const CIPHER_3DES = 3; - /** - * TRI's Simple Stream encryption CBC - * - * Not supported nor is it defined in the official SSH1 specs. OpenSSH, however, does define it (see cipher.h), - * although it doesn't use it (see cipher.c) - */ - const CIPHER_BROKEN_TSS = 4; - /** - * RC4 - * - * Not supported. - * - * @internal According to the SSH1 specs: - * - * "The first 16 bytes of the session key are used as the key for - * the server to client direction. The remaining 16 bytes are used - * as the key for the client to server direction. This gives - * independent 128-bit keys for each direction." - * - * This library currently only supports encryption when the same key is being used for both directions. This is - * because there's only one $crypto object. Two could be added ($encrypt and $decrypt, perhaps). - */ - const CIPHER_RC4 = 5; - /** - * Blowfish - * - * Not supported nor is it defined in the official SSH1 specs. OpenSSH, however, defines it (see cipher.h) and - * uses it (see cipher.c) - */ - const CIPHER_BLOWFISH = 6; - /**#@-*/ - - /**#@+ - * Authentication Methods - * - * @see \phpseclib\Net\SSH1::getSupportedAuthentications() - * @access public - */ - /** - * .rhosts or /etc/hosts.equiv - */ - const AUTH_RHOSTS = 1; - /** - * pure RSA authentication - */ - const AUTH_RSA = 2; - /** - * password authentication - * - * This is the only method that is supported by this library. - */ - const AUTH_PASSWORD = 3; - /** - * .rhosts with RSA host authentication - */ - const AUTH_RHOSTS_RSA = 4; - /**#@-*/ - - /**#@+ - * Terminal Modes - * - * @link http://3sp.com/content/developer/maverick-net/docs/Maverick.SSH.PseudoTerminalModesMembers.html - * @access private - */ - const TTY_OP_END = 0; - /**#@-*/ - - /** - * The Response Type - * - * @see \phpseclib\Net\SSH1::_get_binary_packet() - * @access private - */ - const RESPONSE_TYPE = 1; - - /** - * The Response Data - * - * @see \phpseclib\Net\SSH1::_get_binary_packet() - * @access private - */ - const RESPONSE_DATA = 2; - - /**#@+ - * Execution Bitmap Masks - * - * @see \phpseclib\Net\SSH1::bitmap - * @access private - */ - const MASK_CONSTRUCTOR = 0x00000001; - const MASK_CONNECTED = 0x00000002; - const MASK_LOGIN = 0x00000004; - const MASK_SHELL = 0x00000008; - /**#@-*/ - - /**#@+ - * @access public - * @see \phpseclib\Net\SSH1::getLog() - */ - /** - * Returns the message numbers - */ - const LOG_SIMPLE = 1; - /** - * Returns the message content - */ - const LOG_COMPLEX = 2; - /** - * Outputs the content real-time - */ - const LOG_REALTIME = 3; - /** - * Dumps the content real-time to a file - */ - const LOG_REALTIME_FILE = 4; - /**#@-*/ - - /**#@+ - * @access public - * @see \phpseclib\Net\SSH1::read() - */ - /** - * Returns when a string matching $expect exactly is found - */ - const READ_SIMPLE = 1; - /** - * Returns when a string matching the regular expression $expect is found - */ - const READ_REGEX = 2; - /**#@-*/ - - /** - * The SSH identifier - * - * @var string - * @access private - */ - private $identifier = 'SSH-1.5-phpseclib'; - - /** - * The Socket Object - * - * @var object - * @access private - */ - private $fsock; - - /** - * The cryptography object - * - * @var object - * @access private - */ - private $crypto = false; - - /** - * Execution Bitmap - * - * The bits that are set represent functions that have been called already. This is used to determine - * if a requisite function has been successfully executed. If not, an error should be thrown. - * - * @var int - * @access private - */ - private $bitmap = 0; - - /** - * The Server Key Public Exponent - * - * Logged for debug purposes - * - * @see self::getServerKeyPublicExponent() - * @var string - * @access private - */ - private $server_key_public_exponent; - - /** - * The Server Key Public Modulus - * - * Logged for debug purposes - * - * @see self::getServerKeyPublicModulus() - * @var string - * @access private - */ - private $server_key_public_modulus; - - /** - * The Host Key Public Exponent - * - * Logged for debug purposes - * - * @see self::getHostKeyPublicExponent() - * @var string - * @access private - */ - private $host_key_public_exponent; - - /** - * The Host Key Public Modulus - * - * Logged for debug purposes - * - * @see self::getHostKeyPublicModulus() - * @var string - * @access private - */ - private $host_key_public_modulus; - - /** - * Supported Ciphers - * - * Logged for debug purposes - * - * @see self::getSupportedCiphers() - * @var array - * @access private - */ - private $supported_ciphers = [ - self::CIPHER_NONE => 'No encryption', - self::CIPHER_IDEA => 'IDEA in CFB mode', - self::CIPHER_DES => 'DES in CBC mode', - self::CIPHER_3DES => 'Triple-DES in CBC mode', - self::CIPHER_BROKEN_TSS => 'TRI\'s Simple Stream encryption CBC', - self::CIPHER_RC4 => 'RC4', - self::CIPHER_BLOWFISH => 'Blowfish' - ]; - - /** - * Supported Authentications - * - * Logged for debug purposes - * - * @see self::getSupportedAuthentications() - * @var array - * @access private - */ - private $supported_authentications = [ - self::AUTH_RHOSTS => '.rhosts or /etc/hosts.equiv', - self::AUTH_RSA => 'pure RSA authentication', - self::AUTH_PASSWORD => 'password authentication', - self::AUTH_RHOSTS_RSA => '.rhosts with RSA host authentication' - ]; - - /** - * Server Identification - * - * @see self::getServerIdentification() - * @var string - * @access private - */ - private $server_identification = ''; - - /** - * Protocol Flags - * - * @see self::__construct() - * @var array - * @access private - */ - private $protocol_flags = []; - - /** - * Protocol Flag Log - * - * @see self::getLog() - * @var array - * @access private - */ - private $protocol_flag_log = []; - - /** - * Message Log - * - * @see self::getLog() - * @var array - * @access private - */ - private $message_log = []; - - /** - * Real-time log file pointer - * - * @see self::_append_log() - * @var resource - * @access private - */ - private $realtime_log_file; - - /** - * Real-time log file size - * - * @see self::_append_log() - * @var int - * @access private - */ - private $realtime_log_size; - - /** - * Real-time log file wrap boolean - * - * @see self::_append_log() - * @var bool - * @access private - */ - private $realtime_log_wrap; - - /** - * Interactive Buffer - * - * @see self::read() - * @var array - * @access private - */ - private $interactiveBuffer = ''; - - /** - * Timeout - * - * @see self::setTimeout() - * @access private - */ - private $timeout; - - /** - * Current Timeout - * - * @see self::_get_channel_packet() - * @access private - */ - private $curTimeout; - - /** - * Log Boundary - * - * @see self::_format_log() - * @access private - */ - private $log_boundary = ':'; - - /** - * Log Long Width - * - * @see self::_format_log() - * @access private - */ - private $log_long_width = 65; - - /** - * Log Short Width - * - * @see self::_format_log() - * @access private - */ - private $log_short_width = 16; - - /** - * Hostname - * - * @see self::__construct() - * @see self::_connect() - * @var string - * @access private - */ - private $host; - - /** - * Port Number - * - * @see self::__construct() - * @see self::_connect() - * @var int - * @access private - */ - private $port; - - /** - * Timeout for initial connection - * - * Set by the constructor call. Calling setTimeout() is optional. If it's not called functions like - * exec() won't timeout unless some PHP setting forces it too. The timeout specified in the constructor, - * however, is non-optional. There will be a timeout, whether or not you set it. If you don't it'll be - * 10 seconds. It is used by fsockopen() in that function. - * - * @see self::__construct() - * @see self::_connect() - * @var int - * @access private - */ - private $connectionTimeout; - - /** - * Default cipher - * - * @see self::__construct() - * @see self::_connect() - * @var int - * @access private - */ - private $cipher; - - /** - * Default Constructor. - * - * Connects to an SSHv1 server - * - * @param string $host - * @param int $port - * @param int $timeout - * @param int $cipher - * @return \phpseclib\Net\SSH1 - * @access public - */ - public function __construct($host, $port = 22, $timeout = 10, $cipher = self::CIPHER_3DES) - { - $this->protocol_flags = [ - 1 => 'NET_SSH1_MSG_DISCONNECT', - 2 => 'NET_SSH1_SMSG_PUBLIC_KEY', - 3 => 'NET_SSH1_CMSG_SESSION_KEY', - 4 => 'NET_SSH1_CMSG_USER', - 9 => 'NET_SSH1_CMSG_AUTH_PASSWORD', - 10 => 'NET_SSH1_CMSG_REQUEST_PTY', - 12 => 'NET_SSH1_CMSG_EXEC_SHELL', - 13 => 'NET_SSH1_CMSG_EXEC_CMD', - 14 => 'NET_SSH1_SMSG_SUCCESS', - 15 => 'NET_SSH1_SMSG_FAILURE', - 16 => 'NET_SSH1_CMSG_STDIN_DATA', - 17 => 'NET_SSH1_SMSG_STDOUT_DATA', - 18 => 'NET_SSH1_SMSG_STDERR_DATA', - 19 => 'NET_SSH1_CMSG_EOF', - 20 => 'NET_SSH1_SMSG_EXITSTATUS', - 33 => 'NET_SSH1_CMSG_EXIT_CONFIRMATION' - ]; - - $this->define_array($this->protocol_flags); - - $this->host = $host; - $this->port = $port; - $this->connectionTimeout = $timeout; - $this->cipher = $cipher; - } - - /** - * Connect to an SSHv1 server - * - * @return bool - * @throws \UnexpectedValueException on receipt of unexpected packets - * @throws \RuntimeException on other errors - * @access private - */ - private function connect() - { - $this->fsock = @fsockopen($this->host, $this->port, $errno, $errstr, $this->connectionTimeout); - if (!$this->fsock) { - throw new \RuntimeException(rtrim("Cannot connect to $host. Error $errno. $errstr")); - } - - $this->server_identification = $init_line = fgets($this->fsock, 255); - - if (defined('NET_SSH1_LOGGING')) { - $this->append_log('<-', $this->server_identification); - $this->append_log('->', $this->identifier . "\r\n"); - } - - if (!preg_match('#SSH-([0-9\.]+)-(.+)#', $init_line, $parts)) { - throw new \RuntimeException('Can only connect to SSH servers'); - } - if ($parts[1][0] != 1) { - throw new \RuntimeException("Cannot connect to $parts[1] servers"); - } - - fputs($this->fsock, $this->identifier."\r\n"); - - $response = $this->get_binary_packet(); - if ($response[self::RESPONSE_TYPE] != NET_SSH1_SMSG_PUBLIC_KEY) { - throw new \UnexpectedValueException('Expected SSH_SMSG_PUBLIC_KEY'); - } - - $anti_spoofing_cookie = Strings::shift($response[self::RESPONSE_DATA], 8); - - Strings::shift($response[self::RESPONSE_DATA], 4); - - if (strlen($response[self::RESPONSE_DATA]) < 2) { - return false; - } - $temp = unpack('nlen', Strings::shift($response[self::RESPONSE_DATA], 2)); - $server_key_public_exponent = new BigInteger(Strings::shift($response[self::RESPONSE_DATA], ceil($temp['len'] / 8)), 256); - $this->server_key_public_exponent = $server_key_public_exponent; - - if (strlen($response[self::RESPONSE_DATA]) < 2) { - return false; - } - $temp = unpack('nlen', Strings::shift($response[self::RESPONSE_DATA], 2)); - $server_key_public_modulus = new BigInteger(Strings::shift($response[self::RESPONSE_DATA], ceil($temp['len'] / 8)), 256); - - $this->server_key_public_modulus = $server_key_public_modulus; - - Strings::shift($response[self::RESPONSE_DATA], 4); - - if (strlen($response[self::RESPONSE_DATA]) < 2) { - return false; - } - $temp = unpack('nlen', Strings::shift($response[self::RESPONSE_DATA], 2)); - $host_key_public_exponent = new BigInteger(Strings::shift($response[self::RESPONSE_DATA], ceil($temp['len'] / 8)), 256); - $this->host_key_public_exponent = $host_key_public_exponent; - - if (strlen($response[self::RESPONSE_DATA]) < 2) { - return false; - } - $temp = unpack('nlen', Strings::shift($response[self::RESPONSE_DATA], 2)); - $host_key_public_modulus = new BigInteger(Strings::shift($response[self::RESPONSE_DATA], ceil($temp['len'] / 8)), 256); - - $this->host_key_public_modulus = $host_key_public_modulus; - - Strings::shift($response[self::RESPONSE_DATA], 4); - - // get a list of the supported ciphers - if (strlen($response[self::RESPONSE_DATA]) < 4) { - return false; - } - extract(unpack('Nsupported_ciphers_mask', Strings::shift($response[self::RESPONSE_DATA], 4))); - - foreach ($this->supported_ciphers as $mask => $name) { - if (($supported_ciphers_mask & (1 << $mask)) == 0) { - unset($this->supported_ciphers[$mask]); - } - } - - // get a list of the supported authentications - if (strlen($response[self::RESPONSE_DATA]) < 4) { - return false; - } - extract(unpack('Nsupported_authentications_mask', Strings::shift($response[self::RESPONSE_DATA], 4))); - foreach ($this->supported_authentications as $mask => $name) { - if (($supported_authentications_mask & (1 << $mask)) == 0) { - unset($this->supported_authentications[$mask]); - } - } - - $session_id = md5($host_key_public_modulus->toBytes() . $server_key_public_modulus->toBytes() . $anti_spoofing_cookie, true); - - $session_key = Random::string(32); - $double_encrypted_session_key = $session_key ^ str_pad($session_id, 32, chr(0)); - - if ($server_key_public_modulus->compare($host_key_public_modulus) < 0) { - $double_encrypted_session_key = $this->rsa_crypt( - $double_encrypted_session_key, - [ - $server_key_public_exponent, - $server_key_public_modulus - ] - ); - $double_encrypted_session_key = $this->rsa_crypt( - $double_encrypted_session_key, - [ - $host_key_public_exponent, - $host_key_public_modulus - ] - ); - } else { - $double_encrypted_session_key = $this->rsa_crypt( - $double_encrypted_session_key, - [ - $host_key_public_exponent, - $host_key_public_modulus - ] - ); - $double_encrypted_session_key = $this->rsa_crypt( - $double_encrypted_session_key, - [ - $server_key_public_exponent, - $server_key_public_modulus - ] - ); - } - - $cipher = isset($this->supported_ciphers[$this->cipher]) ? $this->cipher : self::CIPHER_3DES; - $data = pack('C2a*na*N', NET_SSH1_CMSG_SESSION_KEY, $cipher, $anti_spoofing_cookie, 8 * strlen($double_encrypted_session_key), $double_encrypted_session_key, 0); - - if (!$this->send_binary_packet($data)) { - throw new \RuntimeException('Error sending SSH_CMSG_SESSION_KEY'); - } - - switch ($cipher) { - //case self::CIPHER_NONE: - // $this->crypto = new \phpseclib\Crypt\Null(); - // break; - case self::CIPHER_DES: - $this->crypto = new DES(DES::MODE_CBC); - $this->crypto->disablePadding(); - $this->crypto->enableContinuousBuffer(); - $this->crypto->setKey(substr($session_key, 0, 8)); - // "The iv (initialization vector) is initialized to all zeroes." - $this->crypto->setIV(str_repeat("\0", 8)); - break; - case self::CIPHER_3DES: - $this->crypto = new TripleDES(TripleDES::MODE_3CBC); - $this->crypto->disablePadding(); - $this->crypto->enableContinuousBuffer(); - $this->crypto->setKey(substr($session_key, 0, 24)); - // "All three initialization vectors are initialized to zero." - $this->crypto->setIV(str_repeat("\0", 8)); - break; - //case self::CIPHER_RC4: - // $this->crypto = new RC4(); - // $this->crypto->enableContinuousBuffer(); - // $this->crypto->setKey(substr($session_key, 0, 16)); - // break; - } - - $response = $this->get_binary_packet(); - - if ($response[self::RESPONSE_TYPE] != NET_SSH1_SMSG_SUCCESS) { - throw new \UnexpectedValueException('Expected SSH_SMSG_SUCCESS'); - } - - $this->bitmap = self::MASK_CONNECTED; - - return true; - } - - /** - * Login - * - * @param string $username - * @param string $password - * @return bool - * @throws \UnexpectedValueException on receipt of unexpected packets - * @throws \RuntimeException on other errors - * @access public - */ - public function login($username, $password = '') - { - if (!($this->bitmap & self::MASK_CONSTRUCTOR)) { - $this->bitmap |= self::MASK_CONSTRUCTOR; - if (!$this->connect()) { - return false; - } - } - - if (!($this->bitmap & self::MASK_CONNECTED)) { - return false; - } - - $data = pack('CNa*', NET_SSH1_CMSG_USER, strlen($username), $username); - - if (!$this->send_binary_packet($data)) { - throw new \RuntimeException('Error sending SSH_CMSG_USER'); - } - - $response = $this->get_binary_packet(); - - if ($response === true) { - return false; - } - if ($response[self::RESPONSE_TYPE] == NET_SSH1_SMSG_SUCCESS) { - $this->bitmap |= self::MASK_LOGIN; - return true; - } elseif ($response[self::RESPONSE_TYPE] != NET_SSH1_SMSG_FAILURE) { - throw new \UnexpectedValueException('Expected SSH_SMSG_SUCCESS or SSH_SMSG_FAILURE'); - } - - $data = pack('CNa*', NET_SSH1_CMSG_AUTH_PASSWORD, strlen($password), $password); - - if (!$this->send_binary_packet($data)) { - throw new \RuntimeException('Error sending SSH_CMSG_AUTH_PASSWORD'); - } - - // remove the username and password from the last logged packet - if (defined('NET_SSH1_LOGGING') && NET_SSH1_LOGGING == self::LOG_COMPLEX) { - $data = pack('CNa*', NET_SSH1_CMSG_AUTH_PASSWORD, strlen('password'), 'password'); - $this->message_log[count($this->message_log) - 1] = $data; - } - - $response = $this->get_binary_packet(); - - if ($response === true) { - return false; - } - if ($response[self::RESPONSE_TYPE] == NET_SSH1_SMSG_SUCCESS) { - $this->bitmap |= self::MASK_LOGIN; - return true; - } elseif ($response[self::RESPONSE_TYPE] == NET_SSH1_SMSG_FAILURE) { - return false; - } else { - throw new \UnexpectedValueException('Expected SSH_SMSG_SUCCESS or SSH_SMSG_FAILURE'); - } - } - - /** - * Set Timeout - * - * $ssh->exec('ping 127.0.0.1'); on a Linux host will never return and will run indefinitely. setTimeout() makes it so it'll timeout. - * Setting $timeout to false or 0 will mean there is no timeout. - * - * @param mixed $timeout - */ - public function setTimeout($timeout) - { - $this->timeout = $this->curTimeout = $timeout; - } - - /** - * Executes a command on a non-interactive shell, returns the output, and quits. - * - * An SSH1 server will close the connection after a command has been executed on a non-interactive shell. SSH2 - * servers don't, however, this isn't an SSH2 client. The way this works, on the server, is by initiating a - * shell with the -s option, as discussed in the following links: - * - * {@link http://www.faqs.org/docs/bashman/bashref_65.html http://www.faqs.org/docs/bashman/bashref_65.html} - * {@link http://www.faqs.org/docs/bashman/bashref_62.html http://www.faqs.org/docs/bashman/bashref_62.html} - * - * To execute further commands, a new \phpseclib\Net\SSH1 object will need to be created. - * - * Returns false on failure and the output, otherwise. - * - * @see self::interactiveRead() - * @see self::interactiveWrite() - * @param string $cmd - * @return mixed - * @throws \RuntimeException on error sending command - * @access public - */ - public function exec($cmd, $block = true) - { - if (!($this->bitmap & self::MASK_LOGIN)) { - throw new \RuntimeException('Operation disallowed prior to login()'); - } - - $data = pack('CNa*', NET_SSH1_CMSG_EXEC_CMD, strlen($cmd), $cmd); - - if (!$this->send_binary_packet($data)) { - throw new \RuntimeException('Error sending SSH_CMSG_EXEC_CMD'); - } - - if (!$block) { - return true; - } - - $output = ''; - $response = $this->get_binary_packet(); - - if ($response !== false) { - do { - $output.= substr($response[self::RESPONSE_DATA], 4); - $response = $this->get_binary_packet(); - } while (is_array($response) && $response[self::RESPONSE_TYPE] != NET_SSH1_SMSG_EXITSTATUS); - } - - $data = pack('C', NET_SSH1_CMSG_EXIT_CONFIRMATION); - - // i don't think it's really all that important if this packet gets sent or not. - $this->send_binary_packet($data); - - fclose($this->fsock); - - // reset the execution bitmap - a new \phpseclib\Net\SSH1 object needs to be created. - $this->bitmap = 0; - - return $output; - } - - /** - * Creates an interactive shell - * - * @see self::interactiveRead() - * @see self::interactiveWrite() - * @return bool - * @throws \UnexpectedValueException on receipt of unexpected packets - * @throws \RuntimeException on other errors - * @access private - */ - private function initShell() - { - // connect using the sample parameters in protocol-1.5.txt. - // according to wikipedia.org's entry on text terminals, "the fundamental type of application running on a text - // terminal is a command line interpreter or shell". thus, opening a terminal session to run the shell. - $data = pack('CNa*N4C', NET_SSH1_CMSG_REQUEST_PTY, strlen('vt100'), 'vt100', 24, 80, 0, 0, self::TTY_OP_END); - - if (!$this->send_binary_packet($data)) { - throw new \RuntimeException('Error sending SSH_CMSG_REQUEST_PTY'); - } - - $response = $this->get_binary_packet(); - - if ($response === true) { - return false; - } - if ($response[self::RESPONSE_TYPE] != NET_SSH1_SMSG_SUCCESS) { - throw new \UnexpectedValueException('Expected SSH_SMSG_SUCCESS'); - } - - $data = pack('C', NET_SSH1_CMSG_EXEC_SHELL); - - if (!$this->send_binary_packet($data)) { - throw new \RuntimeException('Error sending SSH_CMSG_EXEC_SHELL'); - } - - $this->bitmap |= self::MASK_SHELL; - - //stream_set_blocking($this->fsock, 0); - - return true; - } - - /** - * Inputs a command into an interactive shell. - * - * @see self::interactiveWrite() - * @param string $cmd - * @return bool - * @access public - */ - public function write($cmd) - { - return $this->interactiveWrite($cmd); - } - - /** - * Returns the output of an interactive shell when there's a match for $expect - * - * $expect can take the form of a string literal or, if $mode == self::READ__REGEX, - * a regular expression. - * - * @see self::write() - * @param string $expect - * @param int $mode - * @return bool - * @throws \RuntimeException on connection error - * @access public - */ - public function read($expect, $mode = self::READ__SIMPLE) - { - if (!($this->bitmap & self::MASK_LOGIN)) { - throw new \RuntimeException('Operation disallowed prior to login()'); - } - - if (!($this->bitmap & self::MASK_SHELL) && !$this->initShell()) { - throw new \RuntimeException('Unable to initiate an interactive shell session'); - } - - $match = $expect; - while (true) { - if ($mode == self::READ__REGEX) { - preg_match($expect, $this->interactiveBuffer, $matches); - $match = isset($matches[0]) ? $matches[0] : ''; - } - $pos = strlen($match) ? strpos($this->interactiveBuffer, $match) : false; - if ($pos !== false) { - return Strings::shift($this->interactiveBuffer, $pos + strlen($match)); - } - $response = $this->get_binary_packet(); - - if ($response === true) { - return Strings::shift($this->interactiveBuffer, strlen($this->interactiveBuffer)); - } - $this->interactiveBuffer.= substr($response[self::RESPONSE_DATA], 4); - } - } - - /** - * Inputs a command into an interactive shell. - * - * @see self::interactiveRead() - * @param string $cmd - * @return bool - * @throws \RuntimeException on connection error - * @access public - */ - public function interactiveWrite($cmd) - { - if (!($this->bitmap & self::MASK_LOGIN)) { - throw new \RuntimeException('Operation disallowed prior to login()'); - } - - if (!($this->bitmap & self::MASK_SHELL) && !$this->initShell()) { - throw new \RuntimeException('Unable to initiate an interactive shell session'); - } - - $data = pack('CNa*', NET_SSH1_CMSG_STDIN_DATA, strlen($cmd), $cmd); - - if (!$this->send_binary_packet($data)) { - throw new \RuntimeException('Error sending SSH_CMSG_STDIN'); - } - - return true; - } - - /** - * Returns the output of an interactive shell when no more output is available. - * - * Requires PHP 4.3.0 or later due to the use of the stream_select() function. If you see stuff like - * "^[[00m", you're seeing ANSI escape codes. According to - * {@link http://support.microsoft.com/kb/101875 How to Enable ANSI.SYS in a Command Window}, "Windows NT - * does not support ANSI escape sequences in Win32 Console applications", so if you're a Windows user, - * there's not going to be much recourse. - * - * @see self::interactiveRead() - * @return string - * @throws \RuntimeException on connection error - * @access public - */ - public function interactiveRead() - { - if (!($this->bitmap & self::MASK_LOGIN)) { - throw new \RuntimeException('Operation disallowed prior to login()'); - } - - if (!($this->bitmap & self::MASK_SHELL) && !$this->initShell()) { - throw new \RuntimeException('Unable to initiate an interactive shell session'); - } - - $read = [$this->fsock]; - $write = $except = null; - if (stream_select($read, $write, $except, 0)) { - $response = $this->get_binary_packet(); - return substr($response[self::RESPONSE_DATA], 4); - } else { - return ''; - } - } - - /** - * Disconnect - * - * @access public - */ - public function disconnect() - { - $this->disconnect_helper(); - } - - /** - * Destructor. - * - * Will be called, automatically, if you're supporting just PHP5. If you're supporting PHP4, you'll need to call - * disconnect(). - * - * @access public - */ - public function __destruct() - { - $this->disconnect_helper(); - } - - /** - * Disconnect - * - * @param string $msg - * @access private - */ - private function disconnect_helper($msg = 'Client Quit') - { - if ($this->bitmap) { - $data = pack('C', NET_SSH1_CMSG_EOF); - $this->send_binary_packet($data); - /* - $response = $this->get_binary_packet(); - if ($response === true) { - $response = [self::RESPONSE_TYPE => -1]; - } - switch ($response[self::RESPONSE_TYPE]) { - case NET_SSH1_SMSG_EXITSTATUS: - $data = pack('C', NET_SSH1_CMSG_EXIT_CONFIRMATION); - break; - default: - $data = pack('CNa*', NET_SSH1_MSG_DISCONNECT, strlen($msg), $msg); - } - */ - $data = pack('CNa*', NET_SSH1_MSG_DISCONNECT, strlen($msg), $msg); - - $this->send_binary_packet($data); - fclose($this->fsock); - $this->bitmap = 0; - } - } - - /** - * Gets Binary Packets - * - * See 'The Binary Packet Protocol' of protocol-1.5.txt for more info. - * - * Also, this function could be improved upon by adding detection for the following exploit: - * http://www.securiteam.com/securitynews/5LP042K3FY.html - * - * @see self::_send_binary_packet() - * @return array - * @access private - */ - private function get_binary_packet() - { - if (feof($this->fsock)) { - //user_error('connection closed prematurely'); - return false; - } - - if ($this->curTimeout) { - $read = [$this->fsock]; - $write = $except = null; - - $start = strtok(microtime(), ' ') + strtok(''); // http://php.net/microtime#61838 - $sec = floor($this->curTimeout); - $usec = 1000000 * ($this->curTimeout - $sec); - // on windows this returns a "Warning: Invalid CRT parameters detected" error - if (!@stream_select($read, $write, $except, $sec, $usec) && !count($read)) { - //$this->disconnect_helper('Timeout'); - return true; - } - $elapsed = strtok(microtime(), ' ') + strtok('') - $start; - $this->curTimeout-= $elapsed; - } - - $start = strtok(microtime(), ' ') + strtok(''); // http://php.net/microtime#61838 - $data = fread($this->fsock, 4); - if (strlen($data) < 4) { - return false; - } - $temp = unpack('Nlength', $data); - - $padding_length = 8 - ($temp['length'] & 7); - $length = $temp['length'] + $padding_length; - $raw = ''; - - while ($length > 0) { - $temp = fread($this->fsock, $length); - $raw.= $temp; - $length-= strlen($temp); - } - $stop = strtok(microtime(), ' ') + strtok(''); - - if (strlen($raw) && $this->crypto !== false) { - $raw = $this->crypto->decrypt($raw); - } - - $padding = substr($raw, 0, $padding_length); - $type = $raw[$padding_length]; - $data = substr($raw, $padding_length + 1, -4); - - if (strlen($raw) < 4) { - return false; - } - $temp = unpack('Ncrc', substr($raw, -4)); - - //if ( $temp['crc'] != $this->crc($padding . $type . $data) ) { - // user_error('Bad CRC in packet from server'); - // return false; - //} - - $type = ord($type); - - if (defined('NET_SSH1_LOGGING')) { - $temp = isset($this->protocol_flags[$type]) ? $this->protocol_flags[$type] : 'UNKNOWN'; - $temp = '<- ' . $temp . - ' (' . round($stop - $start, 4) . 's)'; - $this->append_log($temp, $data); - } - - return [ - self::RESPONSE_TYPE => $type, - self::RESPONSE_DATA => $data - ]; - } - - /** - * Sends Binary Packets - * - * Returns true on success, false on failure. - * - * @see self::_get_binary_packet() - * @param string $data - * @return bool - * @access private - */ - private function send_binary_packet($data) - { - if (feof($this->fsock)) { - //user_error('connection closed prematurely'); - return false; - } - - $length = strlen($data) + 4; - - $padding = Random::string(8 - ($length & 7)); - - $orig = $data; - $data = $padding . $data; - $data.= pack('N', $this->crc($data)); - - if ($this->crypto !== false) { - $data = $this->crypto->encrypt($data); - } - - $packet = pack('Na*', $length, $data); - - $start = strtok(microtime(), ' ') + strtok(''); // http://php.net/microtime#61838 - $result = strlen($packet) == fputs($this->fsock, $packet); - $stop = strtok(microtime(), ' ') + strtok(''); - - if (defined('NET_SSH1_LOGGING')) { - $temp = isset($this->protocol_flags[ord($orig[0])]) ? $this->protocol_flags[ord($orig[0])] : 'UNKNOWN'; - $temp = '-> ' . $temp . - ' (' . round($stop - $start, 4) . 's)'; - $this->append_log($temp, $orig); - } - - return $result; - } - - /** - * Cyclic Redundancy Check (CRC) - * - * PHP's crc32 function is implemented slightly differently than the one that SSH v1 uses, so - * we've reimplemented it. A more detailed discussion of the differences can be found after - * $crc_lookup_table's initialization. - * - * @see self::_get_binary_packet() - * @see self::_send_binary_packet() - * @param string $data - * @return int - * @access private - */ - private function crc($data) - { - static $crc_lookup_table = [ - 0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA, - 0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3, - 0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988, - 0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91, - 0x1DB71064, 0x6AB020F2, 0xF3B97148, 0x84BE41DE, - 0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7, - 0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC, - 0x14015C4F, 0x63066CD9, 0xFA0F3D63, 0x8D080DF5, - 0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172, - 0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B, - 0x35B5A8FA, 0x42B2986C, 0xDBBBC9D6, 0xACBCF940, - 0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59, - 0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116, - 0x21B4F4B5, 0x56B3C423, 0xCFBA9599, 0xB8BDA50F, - 0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924, - 0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D, - 0x76DC4190, 0x01DB7106, 0x98D220BC, 0xEFD5102A, - 0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433, - 0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818, - 0x7F6A0DBB, 0x086D3D2D, 0x91646C97, 0xE6635C01, - 0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E, - 0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457, - 0x65B0D9C6, 0x12B7E950, 0x8BBEB8EA, 0xFCB9887C, - 0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65, - 0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2, - 0x4ADFA541, 0x3DD895D7, 0xA4D1C46D, 0xD3D6F4FB, - 0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0, - 0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9, - 0x5005713C, 0x270241AA, 0xBE0B1010, 0xC90C2086, - 0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F, - 0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4, - 0x59B33D17, 0x2EB40D81, 0xB7BD5C3B, 0xC0BA6CAD, - 0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A, - 0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683, - 0xE3630B12, 0x94643B84, 0x0D6D6A3E, 0x7A6A5AA8, - 0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1, - 0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE, - 0xF762575D, 0x806567CB, 0x196C3671, 0x6E6B06E7, - 0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC, - 0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5, - 0xD6D6A3E8, 0xA1D1937E, 0x38D8C2C4, 0x4FDFF252, - 0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B, - 0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60, - 0xDF60EFC3, 0xA867DF55, 0x316E8EEF, 0x4669BE79, - 0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236, - 0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F, - 0xC5BA3BBE, 0xB2BD0B28, 0x2BB45A92, 0x5CB36A04, - 0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D, - 0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A, - 0x9C0906A9, 0xEB0E363F, 0x72076785, 0x05005713, - 0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38, - 0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21, - 0x86D3D2D4, 0xF1D4E242, 0x68DDB3F8, 0x1FDA836E, - 0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777, - 0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C, - 0x8F659EFF, 0xF862AE69, 0x616BFFD3, 0x166CCF45, - 0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2, - 0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB, - 0xAED16A4A, 0xD9D65ADC, 0x40DF0B66, 0x37D83BF0, - 0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9, - 0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6, - 0xBAD03605, 0xCDD70693, 0x54DE5729, 0x23D967BF, - 0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94, - 0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D - ]; - - // For this function to yield the same output as PHP's crc32 function, $crc would have to be - // set to 0xFFFFFFFF, initially - not 0x00000000 as it currently is. - $crc = 0x00000000; - $length = strlen($data); - - for ($i=0; $i<$length; $i++) { - // We AND $crc >> 8 with 0x00FFFFFF because we want the eight newly added bits to all - // be zero. PHP, unfortunately, doesn't always do this. 0x80000000 >> 8, as an example, - // yields 0xFF800000 - not 0x00800000. The following link elaborates: - // http://www.php.net/manual/en/language.operators.bitwise.php#57281 - $crc = (($crc >> 8) & 0x00FFFFFF) ^ $crc_lookup_table[($crc & 0xFF) ^ ord($data[$i])]; - } - - // In addition to having to set $crc to 0xFFFFFFFF, initially, the return value must be XOR'd with - // 0xFFFFFFFF for this function to return the same thing that PHP's crc32 function would. - return $crc; - } - - /** - * RSA Encrypt - * - * Returns mod(pow($m, $e), $n), where $n should be the product of two (large) primes $p and $q and where $e - * should be a number with the property that gcd($e, ($p - 1) * ($q - 1)) == 1. Could just make anything that - * calls this call modexp, instead, but I think this makes things clearer, maybe... - * - * @see self::__construct() - * @param BigInteger $m - * @param array $key - * @return BigInteger - * @access private - */ - private function rsa_crypt($m, $key) - { - /* - $rsa = new RSA(); - $rsa->load($key, 'raw'); - $rsa->setHash('sha1'); - return $rsa->encrypt($m, RSA::PADDING_PKCS1); - */ - - // To quote from protocol-1.5.txt: - // The most significant byte (which is only partial as the value must be - // less than the public modulus, which is never a power of two) is zero. - // - // The next byte contains the value 2 (which stands for public-key - // encrypted data in the PKCS standard [PKCS#1]). Then, there are non- - // zero random bytes to fill any unused space, a zero byte, and the data - // to be encrypted in the least significant bytes, the last byte of the - // data in the least significant byte. - - // Presumably the part of PKCS#1 they're refering to is "Section 7.2.1 Encryption Operation", - // under "7.2 RSAES-PKCS1-v1.5" and "7 Encryption schemes" of the following URL: - // ftp://ftp.rsasecurity.com/pub/pkcs/pkcs-1/pkcs-1v2-1.pdf - $modulus = $key[1]->toBytes(); - $length = strlen($modulus) - strlen($m) - 3; - $random = ''; - while (strlen($random) != $length) { - $block = Random::string($length - strlen($random)); - $block = str_replace("\x00", '', $block); - $random.= $block; - } - $temp = chr(0) . chr(2) . $random . chr(0) . $m; - - $m = new BigInteger($temp, 256); - $m = $m->modPow($key[0], $key[1]); - - return $m->toBytes(); - } - - /** - * Define Array - * - * Takes any number of arrays whose indices are integers and whose values are strings and defines a bunch of - * named constants from it, using the value as the name of the constant and the index as the value of the constant. - * If any of the constants that would be defined already exists, none of the constants will be defined. - * - * @param array $array - * @access private - */ - private function define_array() - { - $args = func_get_args(); - foreach ($args as $arg) { - foreach ($arg as $key => $value) { - if (!defined($value)) { - define($value, $key); - } else { - break 2; - } - } - } - } - - /** - * Returns a log of the packets that have been sent and received. - * - * Returns a string if NET_SSH1_LOGGING == self::LOG_COMPLEX, an array if NET_SSH1_LOGGING == self::LOG_SIMPLE and false if !defined('NET_SSH1_LOGGING') - * - * @access public - * @return array|false|string - */ - public function getLog() - { - if (!defined('NET_SSH1_LOGGING')) { - return false; - } - - switch (NET_SSH1_LOGGING) { - case self::LOG_SIMPLE: - return $this->message_number_log; - break; - case self::LOG_COMPLEX: - return $this->format_log($this->message_log, $this->protocol_flags_log); - break; - default: - return false; - } - } - - /** - * Formats a log for printing - * - * @param array $message_log - * @param array $message_number_log - * @access private - * @return string - */ - private function format_log($message_log, $message_number_log) - { - $output = ''; - for ($i = 0; $i < count($message_log); $i++) { - $output.= $message_number_log[$i] . "\r\n"; - $current_log = $message_log[$i]; - $j = 0; - do { - if (strlen($current_log)) { - $output.= str_pad(dechex($j), 7, '0', STR_PAD_LEFT) . '0 '; - } - $fragment = Strings::shift($current_log, $this->log_short_width); - $hex = substr(preg_replace_callback('#.#s', [$this, 'format_log_helper'], $fragment), strlen($this->log_boundary)); - // replace non ASCII printable characters with dots - // http://en.wikipedia.org/wiki/ASCII#ASCII_printable_characters - // also replace < with a . since < messes up the output on web browsers - $raw = preg_replace('#[^\x20-\x7E]|<#', '.', $fragment); - $output.= str_pad($hex, $this->log_long_width - $this->log_short_width, ' ') . $raw . "\r\n"; - $j++; - } while (strlen($current_log)); - $output.= "\r\n"; - } - - return $output; - } - - /** - * Helper function for _format_log - * - * For use with preg_replace_callback() - * - * @param array $matches - * @access private - * @return string - */ - private function format_log_helper($matches) - { - return $this->log_boundary . str_pad(dechex(ord($matches[0])), 2, '0', STR_PAD_LEFT); - } - - /** - * Return the server key public exponent - * - * Returns, by default, the base-10 representation. If $raw_output is set to true, returns, instead, - * the raw bytes. This behavior is similar to PHP's md5() function. - * - * @param bool $raw_output - * @return string - * @access public - */ - public function getServerKeyPublicExponent($raw_output = false) - { - return $raw_output ? $this->server_key_public_exponent->toBytes() : $this->server_key_public_exponent->toString(); - } - - /** - * Return the server key public modulus - * - * Returns, by default, the base-10 representation. If $raw_output is set to true, returns, instead, - * the raw bytes. This behavior is similar to PHP's md5() function. - * - * @param bool $raw_output - * @return string - * @access public - */ - public function getServerKeyPublicModulus($raw_output = false) - { - return $raw_output ? $this->server_key_public_modulus->toBytes() : $this->server_key_public_modulus->toString(); - } - - /** - * Return the host key public exponent - * - * Returns, by default, the base-10 representation. If $raw_output is set to true, returns, instead, - * the raw bytes. This behavior is similar to PHP's md5() function. - * - * @param bool $raw_output - * @return string - * @access public - */ - public function getHostKeyPublicExponent($raw_output = false) - { - return $raw_output ? $this->host_key_public_exponent->toBytes() : $this->host_key_public_exponent->toString(); - } - - /** - * Return the host key public modulus - * - * Returns, by default, the base-10 representation. If $raw_output is set to true, returns, instead, - * the raw bytes. This behavior is similar to PHP's md5() function. - * - * @param bool $raw_output - * @return string - * @access public - */ - public function getHostKeyPublicModulus($raw_output = false) - { - return $raw_output ? $this->host_key_public_modulus->toBytes() : $this->host_key_public_modulus->toString(); - } - - /** - * Return a list of ciphers supported by SSH1 server. - * - * Just because a cipher is supported by an SSH1 server doesn't mean it's supported by this library. If $raw_output - * is set to true, returns, instead, an array of constants. ie. instead of ['Triple-DES in CBC mode'], you'll - * get [self::CIPHER_3DES]. - * - * @param bool $raw_output - * @return array - * @access public - */ - public function getSupportedCiphers($raw_output = false) - { - return $raw_output ? array_keys($this->supported_ciphers) : array_values($this->supported_ciphers); - } - - /** - * Return a list of authentications supported by SSH1 server. - * - * Just because a cipher is supported by an SSH1 server doesn't mean it's supported by this library. If $raw_output - * is set to true, returns, instead, an array of constants. ie. instead of ['password authentication'], you'll - * get [self::AUTH_PASSWORD]. - * - * @param bool $raw_output - * @return array - * @access public - */ - public function getSupportedAuthentications($raw_output = false) - { - return $raw_output ? array_keys($this->supported_authentications) : array_values($this->supported_authentications); - } - - /** - * Return the server identification. - * - * @return string - * @access public - */ - public function getServerIdentification() - { - return rtrim($this->server_identification); - } - - /** - * Logs data packets - * - * Makes sure that only the last 1MB worth of packets will be logged - * - * @param string $data - * @access private - */ - private function append_log($protocol_flags, $message) - { - switch (NET_SSH1_LOGGING) { - // useful for benchmarks - case self::LOG_SIMPLE: - $this->protocol_flags_log[] = $protocol_flags; - break; - // the most useful log for SSH1 - case self::LOG_COMPLEX: - $this->protocol_flags_log[] = $protocol_flags; - Strings::shift($message); - $this->log_size+= strlen($message); - $this->message_log[] = $message; - while ($this->log_size > self::LOG_MAX_SIZE) { - $this->log_size-= strlen(array_shift($this->message_log)); - array_shift($this->protocol_flags_log); - } - break; - // dump the output out realtime; packets may be interspersed with non packets, - // passwords won't be filtered out and select other packets may not be correctly - // identified - case self::LOG_REALTIME: - echo "
\r\n" . $this->format_log([$message], [$protocol_flags]) . "\r\n
\r\n"; - @flush(); - @ob_flush(); - break; - // basically the same thing as self::LOG_REALTIME with the caveat that self::LOG_REALTIME_FILE - // needs to be defined and that the resultant log file will be capped out at self::LOG_MAX_SIZE. - // the earliest part of the log file is denoted by the first <<< START >>> and is not going to necessarily - // at the beginning of the file - case self::LOG_REALTIME_FILE: - if (!isset($this->realtime_log_file)) { - // PHP doesn't seem to like using constants in fopen() - $filename = self::LOG_REALTIME_FILE; - $fp = fopen($filename, 'w'); - $this->realtime_log_file = $fp; - } - if (!is_resource($this->realtime_log_file)) { - break; - } - $entry = $this->format_log([$message], [$protocol_flags]); - if ($this->realtime_log_wrap) { - $temp = "<<< START >>>\r\n"; - $entry.= $temp; - fseek($this->realtime_log_file, ftell($this->realtime_log_file) - strlen($temp)); - } - $this->realtime_log_size+= strlen($entry); - if ($this->realtime_log_size > self::LOG_MAX_SIZE) { - fseek($this->realtime_log_file, 0); - $this->realtime_log_size = strlen($entry); - $this->realtime_log_wrap = true; - } - fputs($this->realtime_log_file, $entry); - } - } -} diff --git a/lib/phpaes/phpseclib/Net/SSH2.php b/lib/phpaes/phpseclib/Net/SSH2.php deleted file mode 100644 index f733ee782d..0000000000 --- a/lib/phpaes/phpseclib/Net/SSH2.php +++ /dev/null @@ -1,4441 +0,0 @@ - - * login('username', 'password')) { - * exit('Login Failed'); - * } - * - * echo $ssh->exec('pwd'); - * echo $ssh->exec('ls -la'); - * ?> - * - * - * - * setPassword('whatever'); - * $key->load(file_get_contents('privatekey')); - * - * $ssh = new \phpseclib\Net\SSH2('www.domain.tld'); - * if (!$ssh->login('username', $key)) { - * exit('Login Failed'); - * } - * - * echo $ssh->read('username@username:~$'); - * $ssh->write("ls -la\n"); - * echo $ssh->read('username@username:~$'); - * ?> - * - * - * @category Net - * @package SSH2 - * @author Jim Wigginton - * @copyright 2007 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - */ - -namespace phpseclib\Net; - -use ParagonIE\ConstantTime\Base64; -use phpseclib\Crypt\Common\BlockCipher; -use phpseclib\Crypt\Blowfish; -use phpseclib\Crypt\Hash; -use phpseclib\Crypt\Random; -use phpseclib\Crypt\RC4; -use phpseclib\Crypt\Rijndael; -use phpseclib\Crypt\RSA; -use phpseclib\Crypt\TripleDES; -use phpseclib\Crypt\Twofish; -use phpseclib\Math\BigInteger; // Used to do Diffie-Hellman key exchange and DSA/RSA signature verification. -use phpseclib\System\SSH\Agent; -use phpseclib\Exception\NoSupportedAlgorithmsException; -use phpseclib\Common\Functions\Strings; -use phpseclib\Common\Functions\Objects; - -/** - * Pure-PHP implementation of SSHv2. - * - * @package SSH2 - * @author Jim Wigginton - * @access public - */ -class SSH2 -{ - /**#@+ - * Execution Bitmap Masks - * - * @see \phpseclib\Net\SSH2::bitmap - * @access private - */ - const MASK_CONSTRUCTOR = 0x00000001; - const MASK_CONNECTED = 0x00000002; - const MASK_LOGIN_REQ = 0x00000004; - const MASK_LOGIN = 0x00000008; - const MASK_SHELL = 0x00000010; - const MASK_WINDOW_ADJUST = 0x00000020; - /**#@-*/ - - /**#@+ - * Channel constants - * - * RFC4254 refers not to client and server channels but rather to sender and recipient channels. we don't refer - * to them in that way because RFC4254 toggles the meaning. the client sends a SSH_MSG_CHANNEL_OPEN message with - * a sender channel and the server sends a SSH_MSG_CHANNEL_OPEN_CONFIRMATION in response, with a sender and a - * recepient channel. at first glance, you might conclude that SSH_MSG_CHANNEL_OPEN_CONFIRMATION's sender channel - * would be the same thing as SSH_MSG_CHANNEL_OPEN's sender channel, but it's not, per this snipet: - * The 'recipient channel' is the channel number given in the original - * open request, and 'sender channel' is the channel number allocated by - * the other side. - * - * @see \phpseclib\Net\SSH2::_send_channel_packet() - * @see \phpseclib\Net\SSH2::_get_channel_packet() - * @access private - */ - const CHANNEL_EXEC = 0; // PuTTy uses 0x100 - const CHANNEL_SHELL = 1; - const CHANNEL_SUBSYSTEM = 2; - const CHANNEL_AGENT_FORWARD = 3; - /**#@-*/ - - /**#@+ - * @access public - * @see \phpseclib\Net\SSH2::getLog() - */ - /** - * Returns the message numbers - */ - const LOG_SIMPLE = 1; - /** - * Returns the message content - */ - const LOG_COMPLEX = 2; - /** - * Outputs the content real-time - */ - const LOG_REALTIME = 3; - /** - * Dumps the content real-time to a file - */ - const LOG_REALTIME_FILE = 4; - /**#@-*/ - - /**#@+ - * @access public - * @see \phpseclib\Net\SSH2::read() - */ - /** - * Returns when a string matching $expect exactly is found - */ - const READ_SIMPLE = 1; - /** - * Returns when a string matching the regular expression $expect is found - */ - const READ_REGEX = 2; - /** - * Make sure that the log never gets larger than this - */ - const LOG_MAX_SIZE = 1048576; // 1024 * 1024 - /**#@-*/ - - /** - * The SSH identifier - * - * @var string - * @access private - */ - private $identifier; - - /** - * The Socket Object - * - * @var object - * @access private - */ - private $fsock; - - /** - * Execution Bitmap - * - * The bits that are set represent functions that have been called already. This is used to determine - * if a requisite function has been successfully executed. If not, an error should be thrown. - * - * @var int - * @access private - */ - protected $bitmap = 0; - - /** - * Error information - * - * @see self::getErrors() - * @see self::getLastError() - * @var array - * @access private - */ - private $errors = []; - - /** - * Server Identifier - * - * @see self::getServerIdentification() - * @var array|false - * @access private - */ - private $server_identifier = false; - - /** - * Key Exchange Algorithms - * - * @see self::getKexAlgorithims() - * @var array|false - * @access private - */ - private $kex_algorithms = false; - - /** - * Minimum Diffie-Hellman Group Bit Size in RFC 4419 Key Exchange Methods - * - * @see self::_key_exchange() - * @var int - * @access private - */ - private $kex_dh_group_size_min = 1536; - - /** - * Preferred Diffie-Hellman Group Bit Size in RFC 4419 Key Exchange Methods - * - * @see self::_key_exchange() - * @var int - * @access private - */ - private $kex_dh_group_size_preferred = 2048; - - /** - * Maximum Diffie-Hellman Group Bit Size in RFC 4419 Key Exchange Methods - * - * @see self::_key_exchange() - * @var int - * @access private - */ - private $kex_dh_group_size_max = 4096; - - /** - * Server Host Key Algorithms - * - * @see self::getServerHostKeyAlgorithms() - * @var array|false - * @access private - */ - private $server_host_key_algorithms = false; - - /** - * Encryption Algorithms: Client to Server - * - * @see self::getEncryptionAlgorithmsClient2Server() - * @var array|false - * @access private - */ - private $encryption_algorithms_client_to_server = false; - - /** - * Encryption Algorithms: Server to Client - * - * @see self::getEncryptionAlgorithmsServer2Client() - * @var array|false - * @access private - */ - private $encryption_algorithms_server_to_client = false; - - /** - * MAC Algorithms: Client to Server - * - * @see self::getMACAlgorithmsClient2Server() - * @var array|false - * @access private - */ - private $mac_algorithms_client_to_server = false; - - /** - * MAC Algorithms: Server to Client - * - * @see self::getMACAlgorithmsServer2Client() - * @var array|false - * @access private - */ - private $mac_algorithms_server_to_client = false; - - /** - * Compression Algorithms: Client to Server - * - * @see self::getCompressionAlgorithmsClient2Server() - * @var array|false - * @access private - */ - private $compression_algorithms_client_to_server = false; - - /** - * Compression Algorithms: Server to Client - * - * @see self::getCompressionAlgorithmsServer2Client() - * @var array|false - * @access private - */ - private $compression_algorithms_server_to_client = false; - - /** - * Languages: Server to Client - * - * @see self::getLanguagesServer2Client() - * @var array|false - * @access private - */ - private $languages_server_to_client = false; - - /** - * Languages: Client to Server - * - * @see self::getLanguagesClient2Server() - * @var array|false - * @access private - */ - private $languages_client_to_server = false; - - /** - * Block Size for Server to Client Encryption - * - * "Note that the length of the concatenation of 'packet_length', - * 'padding_length', 'payload', and 'random padding' MUST be a multiple - * of the cipher block size or 8, whichever is larger. This constraint - * MUST be enforced, even when using stream ciphers." - * - * -- http://tools.ietf.org/html/rfc4253#section-6 - * - * @see self::__construct() - * @see self::_send_binary_packet() - * @var int - * @access private - */ - private $encrypt_block_size = 8; - - /** - * Block Size for Client to Server Encryption - * - * @see self::__construct() - * @see self::_get_binary_packet() - * @var int - * @access private - */ - private $decrypt_block_size = 8; - - /** - * Server to Client Encryption Object - * - * @see self::_get_binary_packet() - * @var object - * @access private - */ - private $decrypt = false; - - /** - * Client to Server Encryption Object - * - * @see self::_send_binary_packet() - * @var object - * @access private - */ - private $encrypt = false; - - /** - * Client to Server HMAC Object - * - * @see self::_send_binary_packet() - * @var object - * @access private - */ - private $hmac_create = false; - - /** - * Server to Client HMAC Object - * - * @see self::_get_binary_packet() - * @var object - * @access private - */ - private $hmac_check = false; - - /** - * Size of server to client HMAC - * - * We need to know how big the HMAC will be for the server to client direction so that we know how many bytes to read. - * For the client to server side, the HMAC object will make the HMAC as long as it needs to be. All we need to do is - * append it. - * - * @see self::_get_binary_packet() - * @var int - * @access private - */ - private $hmac_size = false; - - /** - * Server Public Host Key - * - * @see self::getServerPublicHostKey() - * @var string - * @access private - */ - private $server_public_host_key; - - /** - * Session identifier - * - * "The exchange hash H from the first key exchange is additionally - * used as the session identifier, which is a unique identifier for - * this connection." - * - * -- http://tools.ietf.org/html/rfc4253#section-7.2 - * - * @see self::_key_exchange() - * @var string - * @access private - */ - private $session_id = false; - - /** - * Exchange hash - * - * The current exchange hash - * - * @see self::_key_exchange() - * @var string - * @access private - */ - private $exchange_hash = false; - - /** - * Message Numbers - * - * @see self::__construct() - * @var array - * @access private - */ - private $message_numbers = []; - - /** - * Disconnection Message 'reason codes' defined in RFC4253 - * - * @see self::__construct() - * @var array - * @access private - */ - private $disconnect_reasons = []; - - /** - * SSH_MSG_CHANNEL_OPEN_FAILURE 'reason codes', defined in RFC4254 - * - * @see self::__construct() - * @var array - * @access private - */ - private $channel_open_failure_reasons = []; - - /** - * Terminal Modes - * - * @link http://tools.ietf.org/html/rfc4254#section-8 - * @see self::__construct() - * @var array - * @access private - */ - private $terminal_modes = []; - - /** - * SSH_MSG_CHANNEL_EXTENDED_DATA's data_type_codes - * - * @link http://tools.ietf.org/html/rfc4254#section-5.2 - * @see self::__construct() - * @var array - * @access private - */ - private $channel_extended_data_type_codes = []; - - /** - * Send Sequence Number - * - * See 'Section 6.4. Data Integrity' of rfc4253 for more info. - * - * @see self::_send_binary_packet() - * @var int - * @access private - */ - private $send_seq_no = 0; - - /** - * Get Sequence Number - * - * See 'Section 6.4. Data Integrity' of rfc4253 for more info. - * - * @see self::_get_binary_packet() - * @var int - * @access private - */ - private $get_seq_no = 0; - - /** - * Server Channels - * - * Maps client channels to server channels - * - * @see self::_get_channel_packet() - * @see self::exec() - * @var array - * @access private - */ - protected $server_channels = []; - - /** - * Channel Buffers - * - * If a client requests a packet from one channel but receives two packets from another those packets should - * be placed in a buffer - * - * @see self::_get_channel_packet() - * @see self::exec() - * @var array - * @access private - */ - private $channel_buffers = []; - - /** - * Channel Status - * - * Contains the type of the last sent message - * - * @see self::_get_channel_packet() - * @var array - * @access private - */ - protected $channel_status = []; - - /** - * Packet Size - * - * Maximum packet size indexed by channel - * - * @see self::_send_channel_packet() - * @var array - * @access private - */ - private $packet_size_client_to_server = []; - - /** - * Message Number Log - * - * @see self::getLog() - * @var array - * @access private - */ - private $message_number_log = []; - - /** - * Message Log - * - * @see self::getLog() - * @var array - * @access private - */ - private $message_log = []; - - /** - * The Window Size - * - * Bytes the other party can send before it must wait for the window to be adjusted (0x7FFFFFFF = 2GB) - * - * @var int - * @see self::_send_channel_packet() - * @see self::exec() - * @access private - */ - protected $window_size = 0x7FFFFFFF; - - /** - * Window size, server to client - * - * Window size indexed by channel - * - * @see self::_send_channel_packet() - * @var array - * @access private - */ - protected $window_size_server_to_client = []; - - /** - * Window size, client to server - * - * Window size indexed by channel - * - * @see self::_get_channel_packet() - * @var array - * @access private - */ - private $window_size_client_to_server = []; - - /** - * Server signature - * - * Verified against $this->session_id - * - * @see self::getServerPublicHostKey() - * @var string - * @access private - */ - private $signature = ''; - - /** - * Server signature format - * - * ssh-rsa or ssh-dss. - * - * @see self::getServerPublicHostKey() - * @var string - * @access private - */ - private $signature_format = ''; - - /** - * Interactive Buffer - * - * @see self::read() - * @var array - * @access private - */ - private $interactiveBuffer = ''; - - /** - * Current log size - * - * Should never exceed self::LOG_MAX_SIZE - * - * @see self::_send_binary_packet() - * @see self::_get_binary_packet() - * @var int - * @access private - */ - private $log_size; - - /** - * Timeout - * - * @see self::setTimeout() - * @access private - */ - private $timeout; - - /** - * Current Timeout - * - * @see self::_get_channel_packet() - * @access private - */ - private $curTimeout; - - /** - * Real-time log file pointer - * - * @see self::_append_log() - * @var resource - * @access private - */ - private $realtime_log_file; - - /** - * Real-time log file size - * - * @see self::_append_log() - * @var int - * @access private - */ - private $realtime_log_size; - - /** - * Has the signature been validated? - * - * @see self::getServerPublicHostKey() - * @var bool - * @access private - */ - private $signature_validated = false; - - /** - * Real-time log file wrap boolean - * - * @see self::_append_log() - * @access private - */ - private $realtime_log_wrap; - - /** - * Flag to suppress stderr from output - * - * @see self::enableQuietMode() - * @access private - */ - private $quiet_mode = false; - - /** - * Time of first network activity - * - * @var int - * @access private - */ - private $last_packet; - - /** - * Exit status returned from ssh if any - * - * @var int - * @access private - */ - private $exit_status; - - /** - * Flag to request a PTY when using exec() - * - * @var bool - * @see self::enablePTY() - * @access private - */ - private $request_pty = false; - - /** - * Flag set while exec() is running when using enablePTY() - * - * @var bool - * @access private - */ - private $in_request_pty_exec = false; - - /** - * Flag set after startSubsystem() is called - * - * @var bool - * @access private - */ - private $in_subsystem; - - /** - * Contents of stdError - * - * @var string - * @access private - */ - private $stdErrorLog; - - /** - * The Last Interactive Response - * - * @see self::_keyboard_interactive_process() - * @var string - * @access private - */ - private $last_interactive_response = ''; - - /** - * Keyboard Interactive Request / Responses - * - * @see self::_keyboard_interactive_process() - * @var array - * @access private - */ - private $keyboard_requests_responses = []; - - /** - * Banner Message - * - * Quoting from the RFC, "in some jurisdictions, sending a warning message before - * authentication may be relevant for getting legal protection." - * - * @see self::_filter() - * @see self::getBannerMessage() - * @var string - * @access private - */ - private $banner_message = ''; - - /** - * Did read() timeout or return normally? - * - * @see self::isTimeout() - * @var bool - * @access private - */ - private $is_timeout = false; - - /** - * Log Boundary - * - * @see self::_format_log() - * @var string - * @access private - */ - private $log_boundary = ':'; - - /** - * Log Long Width - * - * @see self::_format_log() - * @var int - * @access private - */ - private $log_long_width = 65; - - /** - * Log Short Width - * - * @see self::_format_log() - * @var int - * @access private - */ - private $log_short_width = 16; - - /** - * Hostname - * - * @see self::__construct() - * @see self::_connect() - * @var string - * @access private - */ - private $host; - - /** - * Port Number - * - * @see self::__construct() - * @see self::_connect() - * @var int - * @access private - */ - private $port; - - /** - * Number of columns for terminal window size - * - * @see self::getWindowColumns() - * @see self::setWindowColumns() - * @see self::setWindowSize() - * @var int - * @access private - */ - private $windowColumns = 80; - - /** - * Number of columns for terminal window size - * - * @see self::getWindowRows() - * @see self::setWindowRows() - * @see self::setWindowSize() - * @var int - * @access private - */ - private $windowRows = 24; - - /** - * Crypto Engine - * - * @see self::setCryptoEngine() - * @see self::_key_exchange() - * @var int - * @access private - */ - private $crypto_engine = false; - - /** - * A System_SSH_Agent for use in the SSH2 Agent Forwarding scenario - * - * @var System_SSH_Agent - * @access private - */ - private $agent; - - /** - * Connection storage to replicates ssh2 extension functionality: - * {@link http://php.net/manual/en/wrappers.ssh2.php#refsect1-wrappers.ssh2-examples} - * - * @var SSH2[] - */ - private static $connections; - - /** - * Default Constructor. - * - * $host can either be a string, representing the host, or a stream resource. - * - * @param mixed $host - * @param int $port - * @param int $timeout - * @see self::login() - * @return \phpseclib\Net\SSH2 - * @access public - */ - public function __construct($host, $port = 22, $timeout = 10) - { - $this->message_numbers = [ - 1 => 'NET_SSH2_MSG_DISCONNECT', - 2 => 'NET_SSH2_MSG_IGNORE', - 3 => 'NET_SSH2_MSG_UNIMPLEMENTED', - 4 => 'NET_SSH2_MSG_DEBUG', - 5 => 'NET_SSH2_MSG_SERVICE_REQUEST', - 6 => 'NET_SSH2_MSG_SERVICE_ACCEPT', - 20 => 'NET_SSH2_MSG_KEXINIT', - 21 => 'NET_SSH2_MSG_NEWKEYS', - 30 => 'NET_SSH2_MSG_KEXDH_INIT', - 31 => 'NET_SSH2_MSG_KEXDH_REPLY', - 50 => 'NET_SSH2_MSG_USERAUTH_REQUEST', - 51 => 'NET_SSH2_MSG_USERAUTH_FAILURE', - 52 => 'NET_SSH2_MSG_USERAUTH_SUCCESS', - 53 => 'NET_SSH2_MSG_USERAUTH_BANNER', - - 80 => 'NET_SSH2_MSG_GLOBAL_REQUEST', - 81 => 'NET_SSH2_MSG_REQUEST_SUCCESS', - 82 => 'NET_SSH2_MSG_REQUEST_FAILURE', - 90 => 'NET_SSH2_MSG_CHANNEL_OPEN', - 91 => 'NET_SSH2_MSG_CHANNEL_OPEN_CONFIRMATION', - 92 => 'NET_SSH2_MSG_CHANNEL_OPEN_FAILURE', - 93 => 'NET_SSH2_MSG_CHANNEL_WINDOW_ADJUST', - 94 => 'NET_SSH2_MSG_CHANNEL_DATA', - 95 => 'NET_SSH2_MSG_CHANNEL_EXTENDED_DATA', - 96 => 'NET_SSH2_MSG_CHANNEL_EOF', - 97 => 'NET_SSH2_MSG_CHANNEL_CLOSE', - 98 => 'NET_SSH2_MSG_CHANNEL_REQUEST', - 99 => 'NET_SSH2_MSG_CHANNEL_SUCCESS', - 100 => 'NET_SSH2_MSG_CHANNEL_FAILURE' - ]; - $this->disconnect_reasons = [ - 1 => 'NET_SSH2_DISCONNECT_HOST_NOT_ALLOWED_TO_CONNECT', - 2 => 'NET_SSH2_DISCONNECT_PROTOCOL_ERROR', - 3 => 'NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED', - 4 => 'NET_SSH2_DISCONNECT_RESERVED', - 5 => 'NET_SSH2_DISCONNECT_MAC_ERROR', - 6 => 'NET_SSH2_DISCONNECT_COMPRESSION_ERROR', - 7 => 'NET_SSH2_DISCONNECT_SERVICE_NOT_AVAILABLE', - 8 => 'NET_SSH2_DISCONNECT_PROTOCOL_VERSION_NOT_SUPPORTED', - 9 => 'NET_SSH2_DISCONNECT_HOST_KEY_NOT_VERIFIABLE', - 10 => 'NET_SSH2_DISCONNECT_CONNECTION_LOST', - 11 => 'NET_SSH2_DISCONNECT_BY_APPLICATION', - 12 => 'NET_SSH2_DISCONNECT_TOO_MANY_CONNECTIONS', - 13 => 'NET_SSH2_DISCONNECT_AUTH_CANCELLED_BY_USER', - 14 => 'NET_SSH2_DISCONNECT_NO_MORE_AUTH_METHODS_AVAILABLE', - 15 => 'NET_SSH2_DISCONNECT_ILLEGAL_USER_NAME' - ]; - $this->channel_open_failure_reasons = [ - 1 => 'NET_SSH2_OPEN_ADMINISTRATIVELY_PROHIBITED' - ]; - $this->terminal_modes = [ - 0 => 'NET_SSH2_TTY_OP_END' - ]; - $this->channel_extended_data_type_codes = [ - 1 => 'NET_SSH2_EXTENDED_DATA_STDERR' - ]; - - $this->define_array( - $this->message_numbers, - $this->disconnect_reasons, - $this->channel_open_failure_reasons, - $this->terminal_modes, - $this->channel_extended_data_type_codes, - [60 => 'NET_SSH2_MSG_USERAUTH_PASSWD_CHANGEREQ'], - [60 => 'NET_SSH2_MSG_USERAUTH_PK_OK'], - [60 => 'NET_SSH2_MSG_USERAUTH_INFO_REQUEST', - 61 => 'NET_SSH2_MSG_USERAUTH_INFO_RESPONSE'], - // RFC 4419 - diffie-hellman-group-exchange-sha{1,256} - [30 => 'NET_SSH2_MSG_KEXDH_GEX_REQUEST_OLD', - 31 => 'NET_SSH2_MSG_KEXDH_GEX_GROUP', - 32 => 'NET_SSH2_MSG_KEXDH_GEX_INIT', - 33 => 'NET_SSH2_MSG_KEXDH_GEX_REPLY', - 34 => 'NET_SSH2_MSG_KEXDH_GEX_REQUEST'], - // RFC 5656 - Elliptic Curves (for curve25519-sha256@libssh.org) - [30 => 'NET_SSH2_MSG_KEX_ECDH_INIT', - 31 => 'NET_SSH2_MSG_KEX_ECDH_REPLY'] - ); - - self::$connections[$this->getResourceId()] = $this; - - if (is_resource($host)) { - $this->fsock = $host; - return; - } - - if (is_string($host)) { - $this->host = $host; - $this->port = $port; - $this->timeout = $timeout; - } - } - - /** - * Set Crypto Engine Mode - * - * Possible $engine values: - * CRYPT_MODE_INTERNAL, CRYPT_MODE_MCRYPT - * - * @param int $engine - * @access private - */ - public function setCryptoEngine($engine) - { - $this->crypto_engine = $engine; - } - - /** - * Connect to an SSHv2 server - * - * @return bool - * @throws \UnexpectedValueException on receipt of unexpected packets - * @throws \RuntimeException on other errors - * @access private - */ - private function connect() - { - if ($this->bitmap & self::MASK_CONSTRUCTOR) { - return false; - } - - $this->bitmap |= self::MASK_CONSTRUCTOR; - - $this->curTimeout = $this->timeout; - - $this->last_packet = microtime(true); - - if (!is_resource($this->fsock)) { - $start = microtime(true); - // with stream_select a timeout of 0 means that no timeout takes place; - // with fsockopen a timeout of 0 means that you instantly timeout - // to resolve this incompatibility a timeout of 100,000 will be used for fsockopen if timeout is 0 - $this->fsock = @fsockopen($this->host, $this->port, $errno, $errstr, $this->curTimeout == 0 ? 100000 : $this->curTimeout); - if (!$this->fsock) { - $host = $this->host . ':' . $this->port; - throw new \RuntimeException(rtrim("Cannot connect to $host. Error $errno. $errstr")); - } - $elapsed = microtime(true) - $start; - - $this->curTimeout-= $elapsed; - - if ($this->curTimeout <= 0) { - $this->is_timeout = true; - return false; - } - } - - $this->identifier = $this->generate_identifier(); - - fputs($this->fsock, $this->identifier . "\r\n"); - - /* According to the SSH2 specs, - - "The server MAY send other lines of data before sending the version - string. Each line SHOULD be terminated by a Carriage Return and Line - Feed. Such lines MUST NOT begin with "SSH-", and SHOULD be encoded - in ISO-10646 UTF-8 [RFC3629] (language is not specified). Clients - MUST be able to process such lines." */ - $data = ''; - while (!feof($this->fsock) && !preg_match('#(.*)^(SSH-(\d\.\d+).*)#ms', $data, $matches)) { - $line = ''; - while (true) { - if ($this->curTimeout) { - if ($this->curTimeout < 0) { - $this->is_timeout = true; - return false; - } - $read = [$this->fsock]; - $write = $except = null; - $start = microtime(true); - $sec = floor($this->curTimeout); - $usec = 1000000 * ($this->curTimeout - $sec); - // on windows this returns a "Warning: Invalid CRT parameters detected" error - // the !count() is done as a workaround for - if (!@stream_select($read, $write, $except, $sec, $usec) && !count($read)) { - $this->is_timeout = true; - return false; - } - $elapsed = microtime(true) - $start; - $this->curTimeout-= $elapsed; - } - - $temp = stream_get_line($this->fsock, 255, "\n"); - if (strlen($temp) == 255) { - continue; - } - - $line.= "$temp\n"; - - // quoting RFC4253, "Implementers who wish to maintain - // compatibility with older, undocumented versions of this protocol may - // want to process the identification string without expecting the - // presence of the carriage return character for reasons described in - // Section 5 of this document." - - //if (substr($line, -2) == "\r\n") { - // break; - //} - - break; - } - - $data.= $line; - } - - if (feof($this->fsock)) { - throw new \RuntimeException('Connection closed by server'); - } - - $extra = $matches[1]; - - if (defined('NET_SSH2_LOGGING')) { - $this->append_log('<-', $matches[0]); - $this->append_log('->', $this->identifier . "\r\n"); - } - - $this->server_identifier = trim($temp, "\r\n"); - if (strlen($extra)) { - $this->errors[] = utf8_decode($data); - } - - if ($matches[3] != '1.99' && $matches[3] != '2.0') { - throw new \RuntimeException("Cannot connect to SSH $matches[1] servers"); - } - - $response = $this->get_binary_packet(); - if ($response === false) { - throw new \RuntimeException('Connection closed by server'); - } - - if (!strlen($response) || ord($response[0]) != NET_SSH2_MSG_KEXINIT) { - throw new \UnexpectedValueException('Expected SSH_MSG_KEXINIT'); - } - - if (!$this->key_exchange($response)) { - return false; - } - - $this->bitmap|= self::MASK_CONNECTED; - - return true; - } - - /** - * Generates the SSH identifier - * - * You should overwrite this method in your own class if you want to use another identifier - * - * @access protected - * @return string - */ - private function generate_identifier() - { - $identifier = 'SSH-2.0-phpseclib_2.0'; - - $ext = []; - if (extension_loaded('libsodium')) { - $ext[] = 'libsodium'; - } - - if (extension_loaded('openssl')) { - $ext[] = 'openssl'; - } elseif (extension_loaded('mcrypt')) { - $ext[] = 'mcrypt'; - } - - if (extension_loaded('gmp')) { - $ext[] = 'gmp'; - } elseif (extension_loaded('bcmath')) { - $ext[] = 'bcmath'; - } - - if (!empty($ext)) { - $identifier .= ' (' . implode(', ', $ext) . ')'; - } - - return $identifier; - } - - /** - * Key Exchange - * - * @param string $kexinit_payload_server - * @throws \UnexpectedValueException on receipt of unexpected packets - * @throws \RuntimeException on other errors - * @throws \phpseclib\Exception\NoSupportedAlgorithmsException when none of the algorithms phpseclib has loaded are compatible - * @access private - */ - private function key_exchange($kexinit_payload_server) - { - $kex_algorithms = [ - // Elliptic Curve Diffie-Hellman Key Agreement (ECDH) using - // Curve25519. See doc/curve25519-sha256@libssh.org.txt in the - // libssh repository for more information. - 'curve25519-sha256@libssh.org', - - // Diffie-Hellman Key Agreement (DH) using integer modulo prime - // groups. - 'diffie-hellman-group1-sha1', // REQUIRED - 'diffie-hellman-group14-sha1', // REQUIRED - 'diffie-hellman-group-exchange-sha1', // RFC 4419 - 'diffie-hellman-group-exchange-sha256', // RFC 4419 - ]; - if (!function_exists('\\Sodium\\library_version_major')) { - $kex_algorithms = array_diff( - $kex_algorithms, - ['curve25519-sha256@libssh.org'] - ); - } - - $server_host_key_algorithms = [ - 'ssh-rsa', // RECOMMENDED sign Raw RSA Key - 'ssh-dss' // REQUIRED sign Raw DSS Key - ]; - - $encryption_algorithms = [ - // from : - 'arcfour256', - 'arcfour128', - - //'arcfour', // OPTIONAL the ARCFOUR stream cipher with a 128-bit key - - // CTR modes from : - 'aes128-ctr', // RECOMMENDED AES (Rijndael) in SDCTR mode, with 128-bit key - 'aes192-ctr', // RECOMMENDED AES with 192-bit key - 'aes256-ctr', // RECOMMENDED AES with 256-bit key - - 'twofish128-ctr', // OPTIONAL Twofish in SDCTR mode, with 128-bit key - 'twofish192-ctr', // OPTIONAL Twofish with 192-bit key - 'twofish256-ctr', // OPTIONAL Twofish with 256-bit key - - 'aes128-cbc', // RECOMMENDED AES with a 128-bit key - 'aes192-cbc', // OPTIONAL AES with a 192-bit key - 'aes256-cbc', // OPTIONAL AES in CBC mode, with a 256-bit key - - 'twofish128-cbc', // OPTIONAL Twofish with a 128-bit key - 'twofish192-cbc', // OPTIONAL Twofish with a 192-bit key - 'twofish256-cbc', - 'twofish-cbc', // OPTIONAL alias for "twofish256-cbc" - // (this is being retained for historical reasons) - - 'blowfish-ctr', // OPTIONAL Blowfish in SDCTR mode - - 'blowfish-cbc', // OPTIONAL Blowfish in CBC mode - - '3des-ctr', // RECOMMENDED Three-key 3DES in SDCTR mode - - '3des-cbc', // REQUIRED three-key 3DES in CBC mode - //'none' // OPTIONAL no encryption; NOT RECOMMENDED - ]; - - if (extension_loaded('openssl') && !extension_loaded('mcrypt')) { - // OpenSSL does not support arcfour256 in any capacity and arcfour128 / arcfour support is limited to - // instances that do not use continuous buffers - $encryption_algorithms = array_diff( - $encryption_algorithms, - ['arcfour256', 'arcfour128', 'arcfour'] - ); - } - - if (class_exists('\phpseclib\Crypt\RC4') === false) { - $encryption_algorithms = array_diff( - $encryption_algorithms, - ['arcfour256', 'arcfour128', 'arcfour'] - ); - } - if (class_exists('\phpseclib\Crypt\Rijndael') === false) { - $encryption_algorithms = array_diff( - $encryption_algorithms, - ['aes128-ctr', 'aes192-ctr', 'aes256-ctr', 'aes128-cbc', 'aes192-cbc', 'aes256-cbc'] - ); - } - if (class_exists('\phpseclib\Crypt\Twofish') === false) { - $encryption_algorithms = array_diff( - $encryption_algorithms, - ['twofish128-ctr', 'twofish192-ctr', 'twofish256-ctr', 'twofish128-cbc', 'twofish192-cbc', 'twofish256-cbc', 'twofish-cbc'] - ); - } - if (class_exists('\phpseclib\Crypt\Blowfish') === false) { - $encryption_algorithms = array_diff( - $encryption_algorithms, - ['blowfish-ctr', 'blowfish-cbc'] - ); - } - if (class_exists('\phpseclib\Crypt\TripleDES') === false) { - $encryption_algorithms = array_diff( - $encryption_algorithms, - ['3des-ctr', '3des-cbc'] - ); - } - $encryption_algorithms = array_values($encryption_algorithms); - - $mac_algorithms = [ - // from : - 'hmac-sha2-256',// RECOMMENDED HMAC-SHA256 (digest length = key length = 32) - - 'hmac-sha1-96', // RECOMMENDED first 96 bits of HMAC-SHA1 (digest length = 12, key length = 20) - 'hmac-sha1', // REQUIRED HMAC-SHA1 (digest length = key length = 20) - 'hmac-md5-96', // OPTIONAL first 96 bits of HMAC-MD5 (digest length = 12, key length = 16) - 'hmac-md5', // OPTIONAL HMAC-MD5 (digest length = key length = 16) - //'none' // OPTIONAL no MAC; NOT RECOMMENDED - ]; - - $compression_algorithms = [ - 'none' // REQUIRED no compression - //'zlib' // OPTIONAL ZLIB (LZ77) compression - ]; - - // some SSH servers have buggy implementations of some of the above algorithms - switch ($this->server_identifier) { - case 'SSH-2.0-SSHD': - $mac_algorithms = array_values(array_diff( - $mac_algorithms, - ['hmac-sha1-96', 'hmac-md5-96'] - )); - } - - $str_kex_algorithms = implode(',', $kex_algorithms); - $str_server_host_key_algorithms = implode(',', $server_host_key_algorithms); - $encryption_algorithms_server_to_client = $encryption_algorithms_client_to_server = implode(',', $encryption_algorithms); - $mac_algorithms_server_to_client = $mac_algorithms_client_to_server = implode(',', $mac_algorithms); - $compression_algorithms_server_to_client = $compression_algorithms_client_to_server = implode(',', $compression_algorithms); - - $client_cookie = Random::string(16); - - $response = $kexinit_payload_server; - Strings::shift($response, 1); // skip past the message number (it should be SSH_MSG_KEXINIT) - $server_cookie = Strings::shift($response, 16); - - if (strlen($response) < 4) { - return false; - } - $temp = unpack('Nlength', Strings::shift($response, 4)); - $this->kex_algorithms = explode(',', Strings::shift($response, $temp['length'])); - - if (strlen($response) < 4) { - return false; - } - $temp = unpack('Nlength', Strings::shift($response, 4)); - $this->server_host_key_algorithms = explode(',', Strings::shift($response, $temp['length'])); - - if (strlen($response) < 4) { - return false; - } - $temp = unpack('Nlength', Strings::shift($response, 4)); - $this->encryption_algorithms_client_to_server = explode(',', Strings::shift($response, $temp['length'])); - - if (strlen($response) < 4) { - return false; - } - $temp = unpack('Nlength', Strings::shift($response, 4)); - $this->encryption_algorithms_server_to_client = explode(',', Strings::shift($response, $temp['length'])); - - if (strlen($response) < 4) { - return false; - } - $temp = unpack('Nlength', Strings::shift($response, 4)); - $this->mac_algorithms_client_to_server = explode(',', Strings::shift($response, $temp['length'])); - - if (strlen($response) < 4) { - return false; - } - $temp = unpack('Nlength', Strings::shift($response, 4)); - $this->mac_algorithms_server_to_client = explode(',', Strings::shift($response, $temp['length'])); - - if (strlen($response) < 4) { - return false; - } - $temp = unpack('Nlength', Strings::shift($response, 4)); - $this->compression_algorithms_client_to_server = explode(',', Strings::shift($response, $temp['length'])); - - if (strlen($response) < 4) { - return false; - } - $temp = unpack('Nlength', Strings::shift($response, 4)); - $this->compression_algorithms_server_to_client = explode(',', Strings::shift($response, $temp['length'])); - - if (strlen($response) < 4) { - return false; - } - $temp = unpack('Nlength', Strings::shift($response, 4)); - $this->languages_client_to_server = explode(',', Strings::shift($response, $temp['length'])); - - if (strlen($response) < 4) { - return false; - } - $temp = unpack('Nlength', Strings::shift($response, 4)); - $this->languages_server_to_client = explode(',', Strings::shift($response, $temp['length'])); - - if (!strlen($response)) { - return false; - } - extract(unpack('Cfirst_kex_packet_follows', Strings::shift($response, 1))); - - $first_kex_packet_follows = $first_kex_packet_follows != 0; - - // the sending of SSH2_MSG_KEXINIT could go in one of two places. this is the second place. - $kexinit_payload_client = pack( - 'Ca*Na*Na*Na*Na*Na*Na*Na*Na*Na*Na*CN', - NET_SSH2_MSG_KEXINIT, - $client_cookie, - strlen($str_kex_algorithms), - $str_kex_algorithms, - strlen($str_server_host_key_algorithms), - $str_server_host_key_algorithms, - strlen($encryption_algorithms_client_to_server), - $encryption_algorithms_client_to_server, - strlen($encryption_algorithms_server_to_client), - $encryption_algorithms_server_to_client, - strlen($mac_algorithms_client_to_server), - $mac_algorithms_client_to_server, - strlen($mac_algorithms_server_to_client), - $mac_algorithms_server_to_client, - strlen($compression_algorithms_client_to_server), - $compression_algorithms_client_to_server, - strlen($compression_algorithms_server_to_client), - $compression_algorithms_server_to_client, - 0, - '', - 0, - '', - 0, - 0 - ); - - if (!$this->send_binary_packet($kexinit_payload_client)) { - return false; - } - // here ends the second place. - - // we need to decide upon the symmetric encryption algorithms before we do the diffie-hellman key exchange - - // we don't initialize any crypto-objects, yet - we do that, later. for now, we need the lengths to make the - // diffie-hellman key exchange as fast as possible - $decrypt = $this->array_intersect_first($encryption_algorithms, $this->encryption_algorithms_server_to_client); - $decryptKeyLength = $this->encryption_algorithm_to_key_size($decrypt); - if ($decryptKeyLength === null) { - $this->disconnect_helper(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED); - throw new NoSupportedAlgorithmsException('No compatible server to client encryption algorithms found'); - } - - $encrypt = $this->array_intersect_first($encryption_algorithms, $this->encryption_algorithms_client_to_server); - $encryptKeyLength = $this->encryption_algorithm_to_key_size($encrypt); - if ($encryptKeyLength === null) { - $this->disconnect_helper(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED); - throw new NoSupportedAlgorithmsException('No compatible client to server encryption algorithms found'); - } - - // through diffie-hellman key exchange a symmetric key is obtained - $kex_algorithm = $this->array_intersect_first($kex_algorithms, $this->kex_algorithms); - if ($kex_algorithm === false) { - $this->disconnect_helper(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED); - throw new NoSupportedAlgorithmsException('No compatible key exchange algorithms found'); - } - - // Only relevant in diffie-hellman-group-exchange-sha{1,256}, otherwise empty. - $exchange_hash_rfc4419 = ''; - - if ($kex_algorithm === 'curve25519-sha256@libssh.org') { - $x = Random::string(32); - $eBytes = \Sodium\crypto_box_publickey_from_secretkey($x); - $clientKexInitMessage = NET_SSH2_MSG_KEX_ECDH_INIT; - $serverKexReplyMessage = NET_SSH2_MSG_KEX_ECDH_REPLY; - $kexHash = new Hash('sha256'); - } else { - if (strpos($kex_algorithm, 'diffie-hellman-group-exchange') === 0) { - $dh_group_sizes_packed = pack( - 'NNN', - $this->kex_dh_group_size_min, - $this->kex_dh_group_size_preferred, - $this->kex_dh_group_size_max - ); - $packet = pack( - 'Ca*', - NET_SSH2_MSG_KEXDH_GEX_REQUEST, - $dh_group_sizes_packed - ); - if (!$this->send_binary_packet($packet)) { - return false; - } - - $response = $this->get_binary_packet(); - if ($response === false) { - user_error('Connection closed by server'); - return false; - } - extract(unpack('Ctype', Strings::shift($response, 1))); - if ($type != NET_SSH2_MSG_KEXDH_GEX_GROUP) { - user_error('Expected SSH_MSG_KEX_DH_GEX_GROUP'); - return false; - } - - if (strlen($response) < 4) { - return false; - } - extract(unpack('NprimeLength', Strings::shift($response, 4))); - $primeBytes = Strings::shift($response, $primeLength); - $prime = new BigInteger($primeBytes, -256); - - if (strlen($response) < 4) { - return false; - } - extract(unpack('NgLength', Strings::shift($response, 4))); - $gBytes = Strings::shift($response, $gLength); - $g = new BigInteger($gBytes, -256); - - $exchange_hash_rfc4419 = pack( - 'a*Na*Na*', - $dh_group_sizes_packed, - $primeLength, - $primeBytes, - $gLength, - $gBytes - ); - - $clientKexInitMessage = NET_SSH2_MSG_KEXDH_GEX_INIT; - $serverKexReplyMessage = NET_SSH2_MSG_KEXDH_GEX_REPLY; - } else { - switch ($kex_algorithm) { - // see http://tools.ietf.org/html/rfc2409#section-6.2 and - // http://tools.ietf.org/html/rfc2412, appendex E - case 'diffie-hellman-group1-sha1': - $prime = 'FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD129024E088A67CC74' . - '020BBEA63B139B22514A08798E3404DDEF9519B3CD3A431B302B0A6DF25F1437' . - '4FE1356D6D51C245E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED' . - 'EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE65381FFFFFFFFFFFFFFFF'; - break; - // see http://tools.ietf.org/html/rfc3526#section-3 - case 'diffie-hellman-group14-sha1': - $prime = 'FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD129024E088A67CC74' . - '020BBEA63B139B22514A08798E3404DDEF9519B3CD3A431B302B0A6DF25F1437' . - '4FE1356D6D51C245E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED' . - 'EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3DC2007CB8A163BF05' . - '98DA48361C55D39A69163FA8FD24CF5F83655D23DCA3AD961C62F356208552BB' . - '9ED529077096966D670C354E4ABC9804F1746C08CA18217C32905E462E36CE3B' . - 'E39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9DE2BCBF695581718' . - '3995497CEA956AE515D2261898FA051015728E5A8AACAA68FFFFFFFFFFFFFFFF'; - break; - } - // For both diffie-hellman-group1-sha1 and diffie-hellman-group14-sha1 - // the generator field element is 2 (decimal) and the hash function is sha1. - $g = new BigInteger(2); - $prime = new BigInteger($prime, 16); - $clientKexInitMessage = NET_SSH2_MSG_KEXDH_INIT; - $serverKexReplyMessage = NET_SSH2_MSG_KEXDH_REPLY; - } - - switch ($kex_algorithm) { - case 'diffie-hellman-group-exchange-sha256': - $kexHash = new Hash('sha256'); - break; - default: - $kexHash = new Hash('sha1'); - } - - /* To increase the speed of the key exchange, both client and server may - reduce the size of their private exponents. It should be at least - twice as long as the key material that is generated from the shared - secret. For more details, see the paper by van Oorschot and Wiener - [VAN-OORSCHOT]. - - -- http://tools.ietf.org/html/rfc4419#section-6.2 */ - $one = new BigInteger(1); - $keyLength = min($kexHash->getLengthInBytes(), max($encryptKeyLength, $decryptKeyLength)); - $max = $one->bitwise_leftShift(16 * $keyLength); // 2 * 8 * $keyLength - $max = $max->subtract($one); - - $x = BigInteger::randomRange($one, $max); - $e = $g->modPow($x, $prime); - - $eBytes = $e->toBytes(true); - } - $data = pack('CNa*', $clientKexInitMessage, strlen($eBytes), $eBytes); - - if (!$this->send_binary_packet($data)) { - throw new \RuntimeException('Connection closed by server'); - } - - $response = $this->get_binary_packet(); - if ($response === false) { - throw new \RuntimeException('Connection closed by server'); - } - if (!strlen($response)) { - return false; - } - extract(unpack('Ctype', Strings::shift($response, 1))); - - if ($type != $serverKexReplyMessage) { - throw new \UnexpectedValueException('Expected SSH_MSG_KEXDH_REPLY'); - } - - if (strlen($response) < 4) { - return false; - } - $temp = unpack('Nlength', Strings::shift($response, 4)); - $this->server_public_host_key = $server_public_host_key = Strings::shift($response, $temp['length']); - - if (strlen($server_public_host_key) < 4) { - return false; - } - $temp = unpack('Nlength', Strings::shift($server_public_host_key, 4)); - $public_key_format = Strings::shift($server_public_host_key, $temp['length']); - - if (strlen($response) < 4) { - return false; - } - $temp = unpack('Nlength', Strings::shift($response, 4)); - $fBytes = Strings::shift($response, $temp['length']); - - if (strlen($response) < 4) { - return false; - } - $temp = unpack('Nlength', Strings::shift($response, 4)); - $this->signature = Strings::shift($response, $temp['length']); - - if (strlen($this->signature) < 4) { - return false; - } - $temp = unpack('Nlength', Strings::shift($this->signature, 4)); - $this->signature_format = Strings::shift($this->signature, $temp['length']); - - if ($kex_algorithm === 'curve25519-sha256@libssh.org') { - if (strlen($fBytes) !== 32) { - user_error('Received curve25519 public key of invalid length.'); - return false; - } - $key = new BigInteger(\Sodium\crypto_scalarmult($x, $fBytes), 256); - \Sodium\memzero($x); - } else { - $f = new BigInteger($fBytes, -256); - $key = $f->modPow($x, $prime); - } - $keyBytes = $key->toBytes(true); - - $this->exchange_hash = pack( - 'Na*Na*Na*Na*Na*a*Na*Na*Na*', - strlen($this->identifier), - $this->identifier, - strlen($this->server_identifier), - $this->server_identifier, - strlen($kexinit_payload_client), - $kexinit_payload_client, - strlen($kexinit_payload_server), - $kexinit_payload_server, - strlen($this->server_public_host_key), - $this->server_public_host_key, - $exchange_hash_rfc4419, - strlen($eBytes), - $eBytes, - strlen($fBytes), - $fBytes, - strlen($keyBytes), - $keyBytes - ); - - $this->exchange_hash = $kexHash->hash($this->exchange_hash); - - if ($this->session_id === false) { - $this->session_id = $this->exchange_hash; - } - - $server_host_key_algorithm = $this->array_intersect_first($server_host_key_algorithms, $this->server_host_key_algorithms); - if ($server_host_key_algorithm === false) { - $this->disconnect_helper(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED); - throw new NoSupportedAlgorithmsException('No compatible server host key algorithms found'); - } - - if ($public_key_format != $server_host_key_algorithm || $this->signature_format != $server_host_key_algorithm) { - $this->disconnect_helper(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED); - throw new \RuntimeException('Server Host Key Algorithm Mismatch'); - } - - $packet = pack( - 'C', - NET_SSH2_MSG_NEWKEYS - ); - - if (!$this->send_binary_packet($packet)) { - return false; - } - - $response = $this->get_binary_packet(); - - if ($response === false) { - throw new \RuntimeException('Connection closed by server'); - } - - if (!strlen($response)) { - return false; - } - extract(unpack('Ctype', Strings::shift($response, 1))); - - if ($type != NET_SSH2_MSG_NEWKEYS) { - throw new \UnexpectedValueException('Expected SSH_MSG_NEWKEYS'); - } - - $keyBytes = pack('Na*', strlen($keyBytes), $keyBytes); - - $this->encrypt = $this->encryption_algorithm_to_crypt_instance($encrypt); - if ($this->encrypt) { - if ($this->crypto_engine) { - $this->encrypt->setEngine($this->crypto_engine); - } - if ($this->encrypt->getBlockLengthInBytes()) { - $this->encrypt_block_size = $this->encrypt->getBlockLengthInBytes(); - } - $this->encrypt->enableContinuousBuffer(); - $this->encrypt->disablePadding(); - - if ($this->encrypt->usesIV()) { - $iv = $kexHash->hash($keyBytes . $this->exchange_hash . 'A' . $this->session_id); - while ($this->encrypt_block_size > strlen($iv)) { - $iv.= $kexHash->hash($keyBytes . $this->exchange_hash . $iv); - } - $this->encrypt->setIV(substr($iv, 0, $this->encrypt_block_size)); - } - - $key = $kexHash->hash($keyBytes . $this->exchange_hash . 'C' . $this->session_id); - while ($encryptKeyLength > strlen($key)) { - $key.= $kexHash->hash($keyBytes . $this->exchange_hash . $key); - } - $this->encrypt->setKey(substr($key, 0, $encryptKeyLength)); - } - - $this->decrypt = $this->encryption_algorithm_to_crypt_instance($decrypt); - if ($this->decrypt) { - if ($this->crypto_engine) { - $this->decrypt->setEngine($this->crypto_engine); - } - if ($this->decrypt->getBlockLengthInBytes()) { - $this->decrypt_block_size = $this->decrypt->getBlockLengthInBytes(); - } - $this->decrypt->enableContinuousBuffer(); - $this->decrypt->disablePadding(); - - if ($this->decrypt->usesIV()) { - $iv = $kexHash->hash($keyBytes . $this->exchange_hash . 'B' . $this->session_id); - while ($this->decrypt_block_size > strlen($iv)) { - $iv.= $kexHash->hash($keyBytes . $this->exchange_hash . $iv); - } - $this->decrypt->setIV(substr($iv, 0, $this->decrypt_block_size)); - } - - $key = $kexHash->hash($keyBytes . $this->exchange_hash . 'D' . $this->session_id); - while ($decryptKeyLength > strlen($key)) { - $key.= $kexHash->hash($keyBytes . $this->exchange_hash . $key); - } - $this->decrypt->setKey(substr($key, 0, $decryptKeyLength)); - } - - /* The "arcfour128" algorithm is the RC4 cipher, as described in - [SCHNEIER], using a 128-bit key. The first 1536 bytes of keystream - generated by the cipher MUST be discarded, and the first byte of the - first encrypted packet MUST be encrypted using the 1537th byte of - keystream. - - -- http://tools.ietf.org/html/rfc4345#section-4 */ - if ($encrypt == 'arcfour128' || $encrypt == 'arcfour256') { - $this->encrypt->encrypt(str_repeat("\0", 1536)); - } - if ($decrypt == 'arcfour128' || $decrypt == 'arcfour256') { - $this->decrypt->decrypt(str_repeat("\0", 1536)); - } - - $mac_algorithm = $this->array_intersect_first($mac_algorithms, $this->mac_algorithms_client_to_server); - if ($mac_algorithm === false) { - $this->disconnect_helper(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED); - throw new NoSupportedAlgorithmsException('No compatible client to server message authentication algorithms found'); - } - - $createKeyLength = 0; // ie. $mac_algorithm == 'none' - switch ($mac_algorithm) { - case 'hmac-sha2-256': - $this->hmac_create = new Hash('sha256'); - $createKeyLength = 32; - break; - case 'hmac-sha1': - $this->hmac_create = new Hash('sha1'); - $createKeyLength = 20; - break; - case 'hmac-sha1-96': - $this->hmac_create = new Hash('sha1-96'); - $createKeyLength = 20; - break; - case 'hmac-md5': - $this->hmac_create = new Hash('md5'); - $createKeyLength = 16; - break; - case 'hmac-md5-96': - $this->hmac_create = new Hash('md5-96'); - $createKeyLength = 16; - } - - $mac_algorithm = $this->array_intersect_first($mac_algorithms, $this->mac_algorithms_server_to_client); - if ($mac_algorithm === false) { - $this->disconnect_helper(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED); - throw new NoSupportedAlgorithmsException('No compatible server to client message authentication algorithms found'); - } - - $checkKeyLength = 0; - $this->hmac_size = 0; - switch ($mac_algorithm) { - case 'hmac-sha2-256': - $this->hmac_check = new Hash('sha256'); - $checkKeyLength = 32; - $this->hmac_size = 32; - break; - case 'hmac-sha1': - $this->hmac_check = new Hash('sha1'); - $checkKeyLength = 20; - $this->hmac_size = 20; - break; - case 'hmac-sha1-96': - $this->hmac_check = new Hash('sha1-96'); - $checkKeyLength = 20; - $this->hmac_size = 12; - break; - case 'hmac-md5': - $this->hmac_check = new Hash('md5'); - $checkKeyLength = 16; - $this->hmac_size = 16; - break; - case 'hmac-md5-96': - $this->hmac_check = new Hash('md5-96'); - $checkKeyLength = 16; - $this->hmac_size = 12; - } - - $key = $kexHash->hash($keyBytes . $this->exchange_hash . 'E' . $this->session_id); - while ($createKeyLength > strlen($key)) { - $key.= $kexHash->hash($keyBytes . $this->exchange_hash . $key); - } - $this->hmac_create->setKey(substr($key, 0, $createKeyLength)); - - $key = $kexHash->hash($keyBytes . $this->exchange_hash . 'F' . $this->session_id); - while ($checkKeyLength > strlen($key)) { - $key.= $kexHash->hash($keyBytes . $this->exchange_hash . $key); - } - $this->hmac_check->setKey(substr($key, 0, $checkKeyLength)); - - $compression_algorithm = $this->array_intersect_first($compression_algorithms, $this->compression_algorithms_server_to_client); - if ($compression_algorithm === false) { - $this->disconnect_helper(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED); - throw new NoSupportedAlgorithmsException('No compatible server to client compression algorithms found'); - } - $this->decompress = $compression_algorithm == 'zlib'; - - $compression_algorithm = $this->array_intersect_first($compression_algorithms, $this->compression_algorithms_client_to_server); - if ($compression_algorithm === false) { - $this->disconnect_helper(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED); - throw new NoSupportedAlgorithmsException('No compatible client to server compression algorithms found'); - } - $this->compress = $compression_algorithm == 'zlib'; - - return true; - } - - /** - * Maps an encryption algorithm name to the number of key bytes. - * - * @param string $algorithm Name of the encryption algorithm - * @return int|null Number of bytes as an integer or null for unknown - * @access private - */ - private function encryption_algorithm_to_key_size($algorithm) - { - switch ($algorithm) { - case 'none': - return 0; - case 'aes128-cbc': - case 'aes128-ctr': - case 'arcfour': - case 'arcfour128': - case 'blowfish-cbc': - case 'blowfish-ctr': - case 'twofish128-cbc': - case 'twofish128-ctr': - return 16; - case '3des-cbc': - case '3des-ctr': - case 'aes192-cbc': - case 'aes192-ctr': - case 'twofish192-cbc': - case 'twofish192-ctr': - return 24; - case 'aes256-cbc': - case 'aes256-ctr': - case 'arcfour256': - case 'twofish-cbc': - case 'twofish256-cbc': - case 'twofish256-ctr': - return 32; - } - return null; - } - - /** - * Maps an encryption algorithm name to an instance of a subclass of - * \phpseclib\Crypt\Base. - * - * @param string $algorithm Name of the encryption algorithm - * @return mixed Instance of \phpseclib\Crypt\Base or null for unknown - * @access private - */ - private function encryption_algorithm_to_crypt_instance($algorithm) - { - switch ($algorithm) { - case '3des-cbc': - return new TripleDES(BlockCipher::MODE_CBC); - case '3des-ctr': - return new TripleDES(BlockCipher::MODE_CTR); - case 'aes256-cbc': - case 'aes192-cbc': - case 'aes128-cbc': - return new Rijndael(BlockCipher::MODE_CBC); - case 'aes256-ctr': - case 'aes192-ctr': - case 'aes128-ctr': - return new Rijndael(BlockCipher::MODE_CTR); - case 'blowfish-cbc': - return new Blowfish(BlockCipher::MODE_CBC); - case 'blowfish-ctr': - return new Blowfish(BlockCipher::MODE_CTR); - case 'twofish128-cbc': - case 'twofish192-cbc': - case 'twofish256-cbc': - case 'twofish-cbc': - return new Twofish(BlockCipher::MODE_CBC); - case 'twofish128-ctr': - case 'twofish192-ctr': - case 'twofish256-ctr': - return new Twofish(BlockCipher::MODE_CTR); - case 'arcfour': - case 'arcfour128': - case 'arcfour256': - return new RC4(); - } - return null; - } - - /** - * Login - * - * The $password parameter can be a plaintext password, a \phpseclib\Crypt\RSA object or an array - * - * @param string $username - * @param mixed $password - * @param mixed $... - * @return bool - * @see self::_login() - * @access public - */ - public function login($username) - { - $args = func_get_args(); - return call_user_func_array([&$this, 'sublogin'], $args); - } - - /** - * Login Helper - * - * @param string $username - * @param mixed $password - * @param mixed $... - * @return bool - * @see self::_login_helper() - * @access private - */ - protected function sublogin($username) - { - if (!($this->bitmap & self::MASK_CONSTRUCTOR)) { - if (!$this->connect()) { - return false; - } - } - - $args = array_slice(func_get_args(), 1); - if (empty($args)) { - return $this->login_helper($username); - } - - foreach ($args as $arg) { - if ($this->login_helper($username, $arg)) { - return true; - } - } - return false; - } - - /** - * Login Helper - * - * @param string $username - * @param string $password - * @return bool - * @throws \UnexpectedValueException on receipt of unexpected packets - * @throws \RuntimeException on other errors - * @access private - * @internal It might be worthwhile, at some point, to protect against {@link http://tools.ietf.org/html/rfc4251#section-9.3.9 traffic analysis} - * by sending dummy SSH_MSG_IGNORE messages. - */ - private function login_helper($username, $password = null) - { - if (!($this->bitmap & self::MASK_CONNECTED)) { - return false; - } - - if (!($this->bitmap & self::MASK_LOGIN_REQ)) { - $packet = pack( - 'CNa*', - NET_SSH2_MSG_SERVICE_REQUEST, - strlen('ssh-userauth'), - 'ssh-userauth' - ); - - if (!$this->send_binary_packet($packet)) { - return false; - } - - $response = $this->get_binary_packet(); - if ($response === false) { - throw new \RuntimeException('Connection closed by server'); - } - - if (strlen($response) < 4) { - return false; - } - extract(unpack('Ctype', Strings::shift($response, 1))); - - if ($type != NET_SSH2_MSG_SERVICE_ACCEPT) { - throw new \UnexpectedValueException('Expected SSH_MSG_SERVICE_ACCEPT'); - } - $this->bitmap |= self::MASK_LOGIN_REQ; - } - - if (strlen($this->last_interactive_response)) { - return !is_string($password) && !is_array($password) ? false : $this->keyboard_interactive_process($password); - } - - if ($password instanceof RSA) { - return $this->privatekey_login($username, $password); - } elseif ($password instanceof Agent) { - return $this->ssh_agent_login($username, $password); - } - - if (is_array($password)) { - if ($this->keyboard_interactive_login($username, $password)) { - $this->bitmap |= self::MASK_LOGIN; - return true; - } - return false; - } - - if (!isset($password)) { - $packet = pack( - 'CNa*Na*Na*', - NET_SSH2_MSG_USERAUTH_REQUEST, - strlen($username), - $username, - strlen('ssh-connection'), - 'ssh-connection', - strlen('none'), - 'none' - ); - - if (!$this->send_binary_packet($packet)) { - return false; - } - - $response = $this->get_binary_packet(); - if ($response === false) { - throw new \RuntimeException('Connection closed by server'); - } - - if (!strlen($response)) { - return false; - } - extract(unpack('Ctype', Strings::shift($response, 1))); - - switch ($type) { - case NET_SSH2_MSG_USERAUTH_SUCCESS: - $this->bitmap |= self::MASK_LOGIN; - return true; - //case NET_SSH2_MSG_USERAUTH_FAILURE: - default: - return false; - } - } - - $packet = pack( - 'CNa*Na*Na*CNa*', - NET_SSH2_MSG_USERAUTH_REQUEST, - strlen($username), - $username, - strlen('ssh-connection'), - 'ssh-connection', - strlen('password'), - 'password', - 0, - strlen($password), - $password - ); - - // remove the username and password from the logged packet - if (!defined('NET_SSH2_LOGGING')) { - $logged = null; - } else { - $logged = pack( - 'CNa*Na*Na*CNa*', - NET_SSH2_MSG_USERAUTH_REQUEST, - strlen('username'), - 'username', - strlen('ssh-connection'), - 'ssh-connection', - strlen('password'), - 'password', - 0, - strlen('password'), - 'password' - ); - } - - if (!$this->send_binary_packet($packet, $logged)) { - return false; - } - - $response = $this->get_binary_packet(); - if ($response === false) { - throw new \RuntimeException('Connection closed by server'); - } - - if (!strlen($response)) { - return false; - } - extract(unpack('Ctype', Strings::shift($response, 1))); - - switch ($type) { - case NET_SSH2_MSG_USERAUTH_PASSWD_CHANGEREQ: // in theory, the password can be changed - if (defined('NET_SSH2_LOGGING')) { - $this->message_number_log[count($this->message_number_log) - 1] = 'NET_SSH2_MSG_USERAUTH_PASSWD_CHANGEREQ'; - } - - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nlength', Strings::shift($response, 4))); - $this->errors[] = 'SSH_MSG_USERAUTH_PASSWD_CHANGEREQ: ' . utf8_decode(Strings::shift($response, $length)); - - return $this->disconnect_helper(NET_SSH2_DISCONNECT_AUTH_CANCELLED_BY_USER); - case NET_SSH2_MSG_USERAUTH_FAILURE: - // can we use keyboard-interactive authentication? if not then either the login is bad or the server employees - // multi-factor authentication - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nlength', Strings::shift($response, 4))); - $auth_methods = explode(',', Strings::shift($response, $length)); - if (!strlen($response)) { - return false; - } - extract(unpack('Cpartial_success', Strings::shift($response, 1))); - $partial_success = $partial_success != 0; - - if (!$partial_success && in_array('keyboard-interactive', $auth_methods)) { - if ($this->keyboard_interactive_login($username, $password)) { - $this->bitmap |= self::MASK_LOGIN; - return true; - } - return false; - } - return false; - case NET_SSH2_MSG_USERAUTH_SUCCESS: - $this->bitmap |= self::MASK_LOGIN; - return true; - } - - return false; - } - - /** - * Login via keyboard-interactive authentication - * - * See {@link http://tools.ietf.org/html/rfc4256 RFC4256} for details. This is not a full-featured keyboard-interactive authenticator. - * - * @param string $username - * @param string $password - * @return bool - * @access private - */ - private function keyboard_interactive_login($username, $password) - { - $packet = pack( - 'CNa*Na*Na*Na*Na*', - NET_SSH2_MSG_USERAUTH_REQUEST, - strlen($username), - $username, - strlen('ssh-connection'), - 'ssh-connection', - strlen('keyboard-interactive'), - 'keyboard-interactive', - 0, - '', - 0, - '' - ); - - if (!$this->send_binary_packet($packet)) { - return false; - } - - return $this->keyboard_interactive_process($password); - } - - /** - * Handle the keyboard-interactive requests / responses. - * - * @param string $responses... - * @return bool - * @throws \RuntimeException on connection error - * @access private - */ - private function keyboard_interactive_process() - { - $responses = func_get_args(); - - if (strlen($this->last_interactive_response)) { - $response = $this->last_interactive_response; - } else { - $orig = $response = $this->get_binary_packet(); - if ($response === false) { - throw new \RuntimeException('Connection closed by server'); - } - } - - if (!strlen($response)) { - return false; - } - extract(unpack('Ctype', Strings::shift($response, 1))); - - switch ($type) { - case NET_SSH2_MSG_USERAUTH_INFO_REQUEST: - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nlength', Strings::shift($response, 4))); - Strings::shift($response, $length); // name; may be empty - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nlength', Strings::shift($response, 4))); - Strings::shift($response, $length); // instruction; may be empty - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nlength', Strings::shift($response, 4))); - Strings::shift($response, $length); // language tag; may be empty - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nnum_prompts', Strings::shift($response, 4))); - - for ($i = 0; $i < count($responses); $i++) { - if (is_array($responses[$i])) { - foreach ($responses[$i] as $key => $value) { - $this->keyboard_requests_responses[$key] = $value; - } - unset($responses[$i]); - } - } - $responses = array_values($responses); - - if (isset($this->keyboard_requests_responses)) { - for ($i = 0; $i < $num_prompts; $i++) { - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nlength', Strings::shift($response, 4))); - // prompt - ie. "Password: "; must not be empty - $prompt = Strings::shift($response, $length); - //$echo = Strings::shift($response) != chr(0); - foreach ($this->keyboard_requests_responses as $key => $value) { - if (substr($prompt, 0, strlen($key)) == $key) { - $responses[] = $value; - break; - } - } - } - } - - // see http://tools.ietf.org/html/rfc4256#section-3.2 - if (strlen($this->last_interactive_response)) { - $this->last_interactive_response = ''; - } elseif (defined('NET_SSH2_LOGGING')) { - $this->message_number_log[count($this->message_number_log) - 1] = str_replace( - 'UNKNOWN', - 'NET_SSH2_MSG_USERAUTH_INFO_REQUEST', - $this->message_number_log[count($this->message_number_log) - 1] - ); - } - - if (!count($responses) && $num_prompts) { - $this->last_interactive_response = $orig; - return false; - } - - /* - After obtaining the requested information from the user, the client - MUST respond with an SSH_MSG_USERAUTH_INFO_RESPONSE message. - */ - // see http://tools.ietf.org/html/rfc4256#section-3.4 - $packet = $logged = pack('CN', NET_SSH2_MSG_USERAUTH_INFO_RESPONSE, count($responses)); - for ($i = 0; $i < count($responses); $i++) { - $packet.= pack('Na*', strlen($responses[$i]), $responses[$i]); - $logged.= pack('Na*', strlen('dummy-answer'), 'dummy-answer'); - } - - if (!$this->send_binary_packet($packet, $logged)) { - return false; - } - - if (defined('NET_SSH2_LOGGING') && NET_SSH2_LOGGING == self::LOG_COMPLEX) { - $this->message_number_log[count($this->message_number_log) - 1] = str_replace( - 'UNKNOWN', - 'NET_SSH2_MSG_USERAUTH_INFO_RESPONSE', - $this->message_number_log[count($this->message_number_log) - 1] - ); - } - - /* - After receiving the response, the server MUST send either an - SSH_MSG_USERAUTH_SUCCESS, SSH_MSG_USERAUTH_FAILURE, or another - SSH_MSG_USERAUTH_INFO_REQUEST message. - */ - // maybe phpseclib should force close the connection after x request / responses? unless something like that is done - // there could be an infinite loop of request / responses. - return $this->keyboard_interactive_process(); - case NET_SSH2_MSG_USERAUTH_SUCCESS: - return true; - case NET_SSH2_MSG_USERAUTH_FAILURE: - return false; - } - - return false; - } - - /** - * Login with an ssh-agent provided key - * - * @param string $username - * @param \phpseclib\System\SSH\Agent $agent - * @return bool - * @access private - */ - private function ssh_agent_login($username, $agent) - { - $this->agent = $agent; - $keys = $agent->requestIdentities(); - foreach ($keys as $key) { - if ($this->privatekey_login($username, $key)) { - return true; - } - } - - return false; - } - - /** - * Login with an RSA private key - * - * @param string $username - * @param \phpseclib\Crypt\RSA $password - * @return bool - * @throws \RuntimeException on connection error - * @access private - * @internal It might be worthwhile, at some point, to protect against {@link http://tools.ietf.org/html/rfc4251#section-9.3.9 traffic analysis} - * by sending dummy SSH_MSG_IGNORE messages. - */ - private function privatekey_login($username, $privatekey) - { - // see http://tools.ietf.org/html/rfc4253#page-15 - $publickey = $privatekey->getPublicKey('Raw'); - if ($publickey === false) { - return false; - } - - $publickey = [ - 'e' => $publickey['e']->toBytes(true), - 'n' => $publickey['n']->toBytes(true) - ]; - $publickey = pack( - 'Na*Na*Na*', - strlen('ssh-rsa'), - 'ssh-rsa', - strlen($publickey['e']), - $publickey['e'], - strlen($publickey['n']), - $publickey['n'] - ); - - $part1 = pack( - 'CNa*Na*Na*', - NET_SSH2_MSG_USERAUTH_REQUEST, - strlen($username), - $username, - strlen('ssh-connection'), - 'ssh-connection', - strlen('publickey'), - 'publickey' - ); - $part2 = pack('Na*Na*', strlen('ssh-rsa'), 'ssh-rsa', strlen($publickey), $publickey); - - $packet = $part1 . chr(0) . $part2; - if (!$this->send_binary_packet($packet)) { - return false; - } - - $response = $this->get_binary_packet(); - if ($response === false) { - throw new \RuntimeException('Connection closed by server'); - } - - if (!strlen($response)) { - return false; - } - extract(unpack('Ctype', Strings::shift($response, 1))); - - switch ($type) { - case NET_SSH2_MSG_USERAUTH_FAILURE: - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nlength', Strings::shift($response, 4))); - $this->errors[] = 'SSH_MSG_USERAUTH_FAILURE: ' . Strings::shift($response, $length); - - return false; - case NET_SSH2_MSG_USERAUTH_PK_OK: - // we'll just take it on faith that the public key blob and the public key algorithm name are as - // they should be - if (defined('NET_SSH2_LOGGING') && NET_SSH2_LOGGING == self::LOG_COMPLEX) { - $this->message_number_log[count($this->message_number_log) - 1] = str_replace( - 'UNKNOWN', - 'NET_SSH2_MSG_USERAUTH_PK_OK', - $this->message_number_log[count($this->message_number_log) - 1] - ); - } - } - - $packet = $part1 . chr(1) . $part2; - $privatekey->setHash('sha1'); - $signature = $privatekey->sign(pack('Na*a*', strlen($this->session_id), $this->session_id, $packet), RSA::PADDING_PKCS1); - $signature = pack('Na*Na*', strlen('ssh-rsa'), 'ssh-rsa', strlen($signature), $signature); - $packet.= pack('Na*', strlen($signature), $signature); - - if (!$this->send_binary_packet($packet)) { - return false; - } - - $response = $this->get_binary_packet(); - if ($response === false) { - throw new \RuntimeException('Connection closed by server'); - } - - if (!strlen($response)) { - return false; - } - extract(unpack('Ctype', Strings::shift($response, 1))); - - switch ($type) { - case NET_SSH2_MSG_USERAUTH_FAILURE: - // either the login is bad or the server employs multi-factor authentication - return false; - case NET_SSH2_MSG_USERAUTH_SUCCESS: - $this->bitmap |= self::MASK_LOGIN; - return true; - } - - return false; - } - - /** - * Set Timeout - * - * $ssh->exec('ping 127.0.0.1'); on a Linux host will never return and will run indefinitely. setTimeout() makes it so it'll timeout. - * Setting $timeout to false or 0 will mean there is no timeout. - * - * @param mixed $timeout - * @access public - */ - public function setTimeout($timeout) - { - $this->timeout = $this->curTimeout = $timeout; - } - - /** - * Get the output from stdError - * - * @access public - */ - public function getStdError() - { - return $this->stdErrorLog; - } - - /** - * Execute Command - * - * If $callback is set to false then \phpseclib\Net\SSH2::_get_channel_packet(self::CHANNEL_EXEC) will need to be called manually. - * In all likelihood, this is not a feature you want to be taking advantage of. - * - * @param string $command - * @param Callback $callback - * @return string - * @throws \RuntimeException on connection error - * @access public - */ - public function exec($command, $callback = null) - { - $this->curTimeout = $this->timeout; - $this->is_timeout = false; - $this->stdErrorLog = ''; - - if (!$this->isAuthenticated()) { - return false; - } - - if ($this->in_request_pty_exec) { - user_error('If you want to run multiple exec()\'s you will need to disable (and re-enable if appropriate) a PTY for each one.'); - return false; - } - - // RFC4254 defines the (client) window size as "bytes the other party can send before it must wait for the window to - // be adjusted". 0x7FFFFFFF is, at 2GB, the max size. technically, it should probably be decremented, but, - // honestly, if you're transferring more than 2GB, you probably shouldn't be using phpseclib, anyway. - // see http://tools.ietf.org/html/rfc4254#section-5.2 for more info - $this->window_size_server_to_client[self::CHANNEL_EXEC] = $this->window_size; - // 0x8000 is the maximum max packet size, per http://tools.ietf.org/html/rfc4253#section-6.1, although since PuTTy - // uses 0x4000, that's what will be used here, as well. - $packet_size = 0x4000; - - $packet = pack( - 'CNa*N3', - NET_SSH2_MSG_CHANNEL_OPEN, - strlen('session'), - 'session', - self::CHANNEL_EXEC, - $this->window_size_server_to_client[self::CHANNEL_EXEC], - $packet_size - ); - - if (!$this->send_binary_packet($packet)) { - return false; - } - - $this->channel_status[self::CHANNEL_EXEC] = NET_SSH2_MSG_CHANNEL_OPEN; - - $response = $this->get_channel_packet(self::CHANNEL_EXEC); - if ($response === false) { - return false; - } - - if ($this->request_pty === true) { - $terminal_modes = pack('C', NET_SSH2_TTY_OP_END); - $packet = pack( - 'CNNa*CNa*N5a*', - NET_SSH2_MSG_CHANNEL_REQUEST, - $this->server_channels[self::CHANNEL_EXEC], - strlen('pty-req'), - 'pty-req', - 1, - strlen('vt100'), - 'vt100', - $this->windowColumns, - $this->windowRows, - 0, - 0, - strlen($terminal_modes), - $terminal_modes - ); - - if (!$this->send_binary_packet($packet)) { - return false; - } - - $response = $this->get_binary_packet(); - if ($response === false) { - throw new \RuntimeException('Connection closed by server'); - } - - if (!strlen($response)) { - return false; - } - list(, $type) = unpack('C', Strings::shift($response, 1)); - - switch ($type) { - case NET_SSH2_MSG_CHANNEL_SUCCESS: - break; - case NET_SSH2_MSG_CHANNEL_FAILURE: - default: - $this->disconnect_helper(NET_SSH2_DISCONNECT_BY_APPLICATION); - throw new \RuntimeException('Unable to request pseudo-terminal'); - } - $this->in_request_pty_exec = true; - } - - // sending a pty-req SSH_MSG_CHANNEL_REQUEST message is unnecessary and, in fact, in most cases, slows things - // down. the one place where it might be desirable is if you're doing something like \phpseclib\Net\SSH2::exec('ping localhost &'). - // with a pty-req SSH_MSG_CHANNEL_REQUEST, exec() will return immediately and the ping process will then - // then immediately terminate. without such a request exec() will loop indefinitely. the ping process won't end but - // neither will your script. - - // although, in theory, the size of SSH_MSG_CHANNEL_REQUEST could exceed the maximum packet size established by - // SSH_MSG_CHANNEL_OPEN_CONFIRMATION, RFC4254#section-5.1 states that the "maximum packet size" refers to the - // "maximum size of an individual data packet". ie. SSH_MSG_CHANNEL_DATA. RFC4254#section-5.2 corroborates. - $packet = pack( - 'CNNa*CNa*', - NET_SSH2_MSG_CHANNEL_REQUEST, - $this->server_channels[self::CHANNEL_EXEC], - strlen('exec'), - 'exec', - 1, - strlen($command), - $command - ); - if (!$this->send_binary_packet($packet)) { - return false; - } - - $this->channel_status[self::CHANNEL_EXEC] = NET_SSH2_MSG_CHANNEL_REQUEST; - - $response = $this->get_channel_packet(self::CHANNEL_EXEC); - if ($response === false) { - return false; - } - - $this->channel_status[self::CHANNEL_EXEC] = NET_SSH2_MSG_CHANNEL_DATA; - - if ($callback === false || $this->in_request_pty_exec) { - return true; - } - - $output = ''; - while (true) { - $temp = $this->get_channel_packet(self::CHANNEL_EXEC); - switch (true) { - case $temp === true: - return is_callable($callback) ? true : $output; - case $temp === false: - return false; - default: - if (is_callable($callback)) { - if (call_user_func($callback, $temp) === true) { - $this->close_channel(self::CHANNEL_EXEC); - return true; - } - } else { - $output.= $temp; - } - } - } - } - - /** - * Creates an interactive shell - * - * @see self::read() - * @see self::write() - * @return bool - * @throws \UnexpectedValueException on receipt of unexpected packets - * @throws \RuntimeException on other errors - * @access private - */ - private function initShell() - { - if ($this->in_request_pty_exec === true) { - return true; - } - - $this->window_size_server_to_client[self::CHANNEL_SHELL] = $this->window_size; - $packet_size = 0x4000; - - $packet = pack( - 'CNa*N3', - NET_SSH2_MSG_CHANNEL_OPEN, - strlen('session'), - 'session', - self::CHANNEL_SHELL, - $this->window_size_server_to_client[self::CHANNEL_SHELL], - $packet_size - ); - - if (!$this->send_binary_packet($packet)) { - return false; - } - - $this->channel_status[self::CHANNEL_SHELL] = NET_SSH2_MSG_CHANNEL_OPEN; - - $response = $this->get_channel_packet(self::CHANNEL_SHELL); - if ($response === false) { - return false; - } - - $terminal_modes = pack('C', NET_SSH2_TTY_OP_END); - $packet = pack( - 'CNNa*CNa*N5a*', - NET_SSH2_MSG_CHANNEL_REQUEST, - $this->server_channels[self::CHANNEL_SHELL], - strlen('pty-req'), - 'pty-req', - 1, - strlen('vt100'), - 'vt100', - $this->windowColumns, - $this->windowRows, - 0, - 0, - strlen($terminal_modes), - $terminal_modes - ); - - if (!$this->send_binary_packet($packet)) { - return false; - } - - $response = $this->get_binary_packet(); - if ($response === false) { - throw new \RuntimeException('Connection closed by server'); - } - - if (!strlen($response)) { - return false; - } - list(, $type) = unpack('C', Strings::shift($response, 1)); - - switch ($type) { - case NET_SSH2_MSG_CHANNEL_SUCCESS: - // if a pty can't be opened maybe commands can still be executed - case NET_SSH2_MSG_CHANNEL_FAILURE: - break; - default: - $this->disconnect_helper(NET_SSH2_DISCONNECT_BY_APPLICATION); - throw new \UnexpectedValueException('Unable to request pseudo-terminal'); - } - - $packet = pack( - 'CNNa*C', - NET_SSH2_MSG_CHANNEL_REQUEST, - $this->server_channels[self::CHANNEL_SHELL], - strlen('shell'), - 'shell', - 1 - ); - if (!$this->send_binary_packet($packet)) { - return false; - } - - $this->channel_status[self::CHANNEL_SHELL] = NET_SSH2_MSG_CHANNEL_REQUEST; - - $response = $this->get_channel_packet(self::CHANNEL_SHELL); - if ($response === false) { - return false; - } - - $this->channel_status[self::CHANNEL_SHELL] = NET_SSH2_MSG_CHANNEL_DATA; - - $this->bitmap |= self::MASK_SHELL; - - return true; - } - - /** - * Return the channel to be used with read() / write() - * - * @see self::read() - * @see self::write() - * @return int - * @access public - */ - private function get_interactive_channel() - { - switch (true) { - case $this->in_subsystem: - return self::CHANNEL_SUBSYSTEM; - case $this->in_request_pty_exec: - return self::CHANNEL_EXEC; - default: - return self::CHANNEL_SHELL; - } - } - - /** - * Return an available open channel - * - * @return int - * @access public - */ - private function get_open_channel() - { - $channel = self::CHANNEL_EXEC; - do { - if (isset($this->channel_status[$channel]) && $this->channel_status[$channel] == NET_SSH2_MSG_CHANNEL_OPEN) { - return $channel; - } - } while ($channel++ < self::CHANNEL_SUBSYSTEM); - - return false; - } - - /** - * Returns the output of an interactive shell - * - * Returns when there's a match for $expect, which can take the form of a string literal or, - * if $mode == self::READ_REGEX, a regular expression. - * - * @see self::write() - * @param string $expect - * @param int $mode - * @return string - * @throws \RuntimeException on connection error - * @access public - */ - public function read($expect = '', $mode = self::READ_SIMPLE) - { - $this->curTimeout = $this->timeout; - $this->is_timeout = false; - - if (!$this->isAuthenticated()) { - throw new \RuntimeException('Operation disallowed prior to login()'); - } - - if (!($this->bitmap & self::MASK_SHELL) && !$this->initShell()) { - throw new \RuntimeException('Unable to initiate an interactive shell session'); - } - - $channel = $this->get_interactive_channel(); - - $match = $expect; - while (true) { - if ($mode == self::READ_REGEX) { - preg_match($expect, substr($this->interactiveBuffer, -1024), $matches); - $match = isset($matches[0]) ? $matches[0] : ''; - } - $pos = strlen($match) ? strpos($this->interactiveBuffer, $match) : false; - if ($pos !== false) { - return Strings::shift($this->interactiveBuffer, $pos + strlen($match)); - } - $response = $this->get_channel_packet($channel); - if (is_bool($response)) { - $this->in_request_pty_exec = false; - return $response ? Strings::shift($this->interactiveBuffer, strlen($this->interactiveBuffer)) : false; - } - - $this->interactiveBuffer.= $response; - } - } - - /** - * Inputs a command into an interactive shell. - * - * @see self::read() - * @param string $cmd - * @return bool - * @throws \RuntimeException on connection error - * @access public - */ - public function write($cmd) - { - if (!$this->isAuthenticated()) { - throw new \RuntimeException('Operation disallowed prior to login()'); - } - - if (!($this->bitmap & self::MASK_SHELL) && !$this->initShell()) { - throw new \RuntimeException('Unable to initiate an interactive shell session'); - } - - return $this->send_channel_packet($this->get_interactive_channel(), $cmd); - } - - /** - * Start a subsystem. - * - * Right now only one subsystem at a time is supported. To support multiple subsystem's stopSubsystem() could accept - * a string that contained the name of the subsystem, but at that point, only one subsystem of each type could be opened. - * To support multiple subsystem's of the same name maybe it'd be best if startSubsystem() generated a new channel id and - * returns that and then that that was passed into stopSubsystem() but that'll be saved for a future date and implemented - * if there's sufficient demand for such a feature. - * - * @see self::stopSubsystem() - * @param string $subsystem - * @return bool - * @access public - */ - public function startSubsystem($subsystem) - { - $this->window_size_server_to_client[self::CHANNEL_SUBSYSTEM] = $this->window_size; - - $packet = pack( - 'CNa*N3', - NET_SSH2_MSG_CHANNEL_OPEN, - strlen('session'), - 'session', - self::CHANNEL_SUBSYSTEM, - $this->window_size, - 0x4000 - ); - - if (!$this->send_binary_packet($packet)) { - return false; - } - - $this->channel_status[self::CHANNEL_SUBSYSTEM] = NET_SSH2_MSG_CHANNEL_OPEN; - - $response = $this->get_channel_packet(self::CHANNEL_SUBSYSTEM); - if ($response === false) { - return false; - } - - $packet = pack( - 'CNNa*CNa*', - NET_SSH2_MSG_CHANNEL_REQUEST, - $this->server_channels[self::CHANNEL_SUBSYSTEM], - strlen('subsystem'), - 'subsystem', - 1, - strlen($subsystem), - $subsystem - ); - if (!$this->send_binary_packet($packet)) { - return false; - } - - $this->channel_status[self::CHANNEL_SUBSYSTEM] = NET_SSH2_MSG_CHANNEL_REQUEST; - - $response = $this->get_channel_packet(self::CHANNEL_SUBSYSTEM); - - if ($response === false) { - return false; - } - - $this->channel_status[self::CHANNEL_SUBSYSTEM] = NET_SSH2_MSG_CHANNEL_DATA; - - $this->bitmap |= self::MASK_SHELL; - $this->in_subsystem = true; - - return true; - } - - /** - * Stops a subsystem. - * - * @see self::startSubsystem() - * @return bool - * @access public - */ - public function stopSubsystem() - { - $this->in_subsystem = false; - $this->close_channel(self::CHANNEL_SUBSYSTEM); - return true; - } - - /** - * Closes a channel - * - * If read() timed out you might want to just close the channel and have it auto-restart on the next read() call - * - * @access public - */ - public function reset() - { - $this->close_channel($this->get_interactive_channel()); - } - - /** - * Is timeout? - * - * Did exec() or read() return because they timed out or because they encountered the end? - * - * @access public - */ - public function isTimeout() - { - return $this->is_timeout; - } - - /** - * Disconnect - * - * @access public - */ - public function disconnect() - { - $this->disconnect_helper(NET_SSH2_DISCONNECT_BY_APPLICATION); - if (isset($this->realtime_log_file) && is_resource($this->realtime_log_file)) { - fclose($this->realtime_log_file); - } - unset(self::$connections[$this->getResourceId()]); - } - - /** - * Destructor. - * - * Will be called, automatically, if you're supporting just PHP5. If you're supporting PHP4, you'll need to call - * disconnect(). - * - * @access public - */ - public function __destruct() - { - $this->disconnect(); - } - - /** - * Is the connection still active? - * - * @return bool - * @access public - */ - public function isConnected() - { - return (bool) ($this->bitmap & self::MASK_CONNECTED); - } - - /** - * Have you successfully been logged in? - * - * @return bool - * @access public - */ - public function isAuthenticated() - { - return (bool) ($this->bitmap & self::MASK_LOGIN); - } - - /** - * Gets Binary Packets - * - * See '6. Binary Packet Protocol' of rfc4253 for more info. - * - * @see self::_send_binary_packet() - * @return string - * @throws \RuntimeException on connection errors - * @access private - */ - private function get_binary_packet() - { - if (!is_resource($this->fsock) || feof($this->fsock)) { - $this->bitmap = 0; - throw new \RuntimeException('Connection closed prematurely'); - } - - $start = microtime(true); - $raw = stream_get_contents($this->fsock, $this->decrypt_block_size); - - if (!strlen($raw)) { - return ''; - } - - if ($this->decrypt !== false) { - $raw = $this->decrypt->decrypt($raw); - } - - if (strlen($raw) < 5) { - return false; - } - extract(unpack('Npacket_length/Cpadding_length', Strings::shift($raw, 5))); - - $remaining_length = $packet_length + 4 - $this->decrypt_block_size; - - // quoting , - // "implementations SHOULD check that the packet length is reasonable" - // PuTTY uses 0x9000 as the actual max packet size and so to shall we - if ($remaining_length < -$this->decrypt_block_size || $remaining_length > 0x9000 || $remaining_length % $this->decrypt_block_size != 0) { - throw new \RuntimeException('Invalid size'); - } - - $buffer = ''; - while ($remaining_length > 0) { - $temp = stream_get_contents($this->fsock, $remaining_length); - if ($temp === false || feof($this->fsock)) { - $this->bitmap = 0; - throw new \RuntimeException('Error reading from socket'); - } - $buffer.= $temp; - $remaining_length-= strlen($temp); - } - $stop = microtime(true); - if (strlen($buffer)) { - $raw.= $this->decrypt !== false ? $this->decrypt->decrypt($buffer) : $buffer; - } - - $payload = Strings::shift($raw, $packet_length - $padding_length - 1); - $padding = Strings::shift($raw, $padding_length); // should leave $raw empty - - if ($this->hmac_check !== false) { - $hmac = stream_get_contents($this->fsock, $this->hmac_size); - if ($hmac === false || strlen($hmac) != $this->hmac_size) { - $this->bitmap = 0; - throw new \RuntimeException('Error reading socket'); - } elseif ($hmac != $this->hmac_check->hash(pack('NNCa*', $this->get_seq_no, $packet_length, $padding_length, $payload . $padding))) { - throw new \RuntimeException('Invalid HMAC'); - } - } - - //if ($this->decompress) { - // $payload = gzinflate(substr($payload, 2)); - //} - - $this->get_seq_no++; - - if (defined('NET_SSH2_LOGGING')) { - $current = microtime(true); - $message_number = isset($this->message_numbers[ord($payload[0])]) ? $this->message_numbers[ord($payload[0])] : 'UNKNOWN (' . ord($payload[0]) . ')'; - $message_number = '<- ' . $message_number . - ' (since last: ' . round($current - $this->last_packet, 4) . ', network: ' . round($stop - $start, 4) . 's)'; - $this->append_log($message_number, $payload); - $this->last_packet = $current; - } - - return $this->filter($payload); - } - - /** - * Filter Binary Packets - * - * Because some binary packets need to be ignored... - * - * @see self::_get_binary_packet() - * @return string - * @access private - */ - private function filter($payload) - { - switch (ord($payload[0])) { - case NET_SSH2_MSG_DISCONNECT: - Strings::shift($payload, 1); - if (strlen($payload) < 8) { - return false; - } - extract(unpack('Nreason_code/Nlength', Strings::shift($payload, 8))); - $this->errors[] = 'SSH_MSG_DISCONNECT: ' . $this->disconnect_reasons[$reason_code] . "\r\n" . utf8_decode(Strings::shift($payload, $length)); - $this->bitmap = 0; - return false; - case NET_SSH2_MSG_IGNORE: - $payload = $this->get_binary_packet(); - break; - case NET_SSH2_MSG_DEBUG: - Strings::shift($payload, 2); - if (strlen($payload) < 4) { - return false; - } - extract(unpack('Nlength', Strings::shift($payload, 4))); - $this->errors[] = 'SSH_MSG_DEBUG: ' . utf8_decode(Strings::shift($payload, $length)); - $payload = $this->get_binary_packet(); - break; - case NET_SSH2_MSG_UNIMPLEMENTED: - return false; - case NET_SSH2_MSG_KEXINIT: - if ($this->session_id !== false) { - if (!$this->key_exchange($payload)) { - $this->bitmap = 0; - return false; - } - $payload = $this->get_binary_packet(); - } - } - - // see http://tools.ietf.org/html/rfc4252#section-5.4; only called when the encryption has been activated and when we haven't already logged in - if (($this->bitmap & self::MASK_CONNECTED) && !$this->isAuthenticated() && ord($payload[0]) == NET_SSH2_MSG_USERAUTH_BANNER) { - Strings::shift($payload, 1); - if (strlen($payload) < 4) { - return false; - } - extract(unpack('Nlength', Strings::shift($payload, 4))); - $this->banner_message = utf8_decode(Strings::shift($payload, $length)); - $payload = $this->get_binary_packet(); - } - - // only called when we've already logged in - if (($this->bitmap & self::MASK_CONNECTED) && $this->isAuthenticated()) { - switch (ord($payload[0])) { - case NET_SSH2_MSG_GLOBAL_REQUEST: // see http://tools.ietf.org/html/rfc4254#section-4 - if (strlen($payload) < 4) { - return false; - } - extract(unpack('Nlength', Strings::shift($payload, 4))); - $this->errors[] = 'SSH_MSG_GLOBAL_REQUEST: ' . Strings::shift($payload, $length); - - if (!$this->send_binary_packet(pack('C', NET_SSH2_MSG_REQUEST_FAILURE))) { - return $this->disconnect_helper(NET_SSH2_DISCONNECT_BY_APPLICATION); - } - - $payload = $this->get_binary_packet(); - break; - case NET_SSH2_MSG_CHANNEL_OPEN: // see http://tools.ietf.org/html/rfc4254#section-5.1 - Strings::shift($payload, 1); - if (strlen($payload) < 4) { - return false; - } - extract(unpack('Nlength', Strings::shift($payload, 4))); - $data = Strings::shift($payload, $length); - if (strlen($payload) < 4) { - return false; - } - extract(unpack('Nserver_channel', Strings::shift($payload, 4))); - switch ($data) { - case 'auth-agent': - case 'auth-agent@openssh.com': - if (isset($this->agent)) { - $new_channel = self::CHANNEL_AGENT_FORWARD; - - if (strlen($payload) < 8) { - return false; - } - extract(unpack('Nremote_window_size', Strings::shift($payload, 4))); - extract(unpack('Nremote_maximum_packet_size', Strings::shift($payload, 4))); - - $this->packet_size_client_to_server[$new_channel] = $remote_window_size; - $this->window_size_server_to_client[$new_channel] = $remote_maximum_packet_size; - $this->window_size_client_to_server[$new_channel] = $this->window_size; - - $packet_size = 0x4000; - - $packet = pack( - 'CN4', - NET_SSH2_MSG_CHANNEL_OPEN_CONFIRMATION, - $server_channel, - $new_channel, - $packet_size, - $packet_size - ); - - $this->server_channels[$new_channel] = $server_channel; - $this->channel_status[$new_channel] = NET_SSH2_MSG_CHANNEL_OPEN_CONFIRMATION; - if (!$this->send_binary_packet($packet)) { - return false; - } - } - break; - default: - $packet = pack( - 'CN3a*Na*', - NET_SSH2_MSG_REQUEST_FAILURE, - $server_channel, - NET_SSH2_OPEN_ADMINISTRATIVELY_PROHIBITED, - 0, - '', - 0, - '' - ); - - if (!$this->send_binary_packet($packet)) { - return $this->disconnect_helper(NET_SSH2_DISCONNECT_BY_APPLICATION); - } - } - $payload = $this->get_binary_packet(); - break; - case NET_SSH2_MSG_CHANNEL_WINDOW_ADJUST: - Strings::shift($payload, 1); - if (strlen($payload) < 8) { - return false; - } - extract(unpack('Nchannel', Strings::shift($payload, 4))); - extract(unpack('Nwindow_size', Strings::shift($payload, 4))); - - $this->window_size_client_to_server[$channel]+= $window_size; - - $payload = ($this->bitmap & self::MASK_WINDOW_ADJUST) ? true : $this->get_binary_packet(); - } - } - - return $payload; - } - - /** - * Enable Quiet Mode - * - * Suppress stderr from output - * - * @access public - */ - public function enableQuietMode() - { - $this->quiet_mode = true; - } - - /** - * Disable Quiet Mode - * - * Show stderr in output - * - * @access public - */ - public function disableQuietMode() - { - $this->quiet_mode = false; - } - - /** - * Returns whether Quiet Mode is enabled or not - * - * @see self::enableQuietMode() - * @see self::disableQuietMode() - * @access public - * @return bool - */ - public function isQuietModeEnabled() - { - return $this->quiet_mode; - } - - /** - * Enable request-pty when using exec() - * - * @access public - */ - public function enablePTY() - { - $this->request_pty = true; - } - - /** - * Disable request-pty when using exec() - * - * @access public - */ - public function disablePTY() - { - if ($this->in_request_pty_exec) { - $this->_close_channel(self::CHANNEL_EXEC); - $this->in_request_pty_exec = false; - } - $this->request_pty = false; - } - - /** - * Returns whether request-pty is enabled or not - * - * @see self::enablePTY() - * @see self::disablePTY() - * @access public - * @return bool - */ - public function isPTYEnabled() - { - return $this->request_pty; - } - - /** - * Gets channel data - * - * Returns the data as a string if it's available and false if not. - * - * @param $client_channel - * @return mixed - * @throws \RuntimeException on connection error - * @access private - */ - protected function get_channel_packet($client_channel, $skip_extended = false) - { - if (!empty($this->channel_buffers[$client_channel])) { - return array_shift($this->channel_buffers[$client_channel]); - } - - while (true) { - if ($this->curTimeout) { - if ($this->curTimeout < 0) { - $this->is_timeout = true; - return true; - } - - $read = [$this->fsock]; - $write = $except = null; - - $start = microtime(true); - $sec = floor($this->curTimeout); - $usec = 1000000 * ($this->curTimeout - $sec); - // on windows this returns a "Warning: Invalid CRT parameters detected" error - if (!@stream_select($read, $write, $except, $sec, $usec) && !count($read)) { - $this->is_timeout = true; - return true; - } - $elapsed = microtime(true) - $start; - $this->curTimeout-= $elapsed; - } - - $response = $this->get_binary_packet(); - if ($response === false) { - throw new \RuntimeException('Connection closed by server'); - } - if ($client_channel == -1 && $response === true) { - return true; - } - if (!strlen($response)) { - return ''; - } - - if (!strlen($response)) { - return false; - } - extract(unpack('Ctype', Strings::shift($response, 1))); - - if (strlen($response) < 4) { - return false; - } - if ($type == NET_SSH2_MSG_CHANNEL_OPEN) { - extract(unpack('Nlength', Strings::shift($response, 4))); - } else { - extract(unpack('Nchannel', Strings::shift($response, 4))); - } - - // will not be setup yet on incoming channel open request - if (isset($channel) && isset($this->channel_status[$channel]) && isset($this->window_size_server_to_client[$channel])) { - $this->window_size_server_to_client[$channel]-= strlen($response); - - // resize the window, if appropriate - if ($this->window_size_server_to_client[$channel] < 0) { - $packet = pack('CNN', NET_SSH2_MSG_CHANNEL_WINDOW_ADJUST, $this->server_channels[$channel], $this->window_size); - if (!$this->send_binary_packet($packet)) { - return false; - } - $this->window_size_server_to_client[$channel]+= $this->window_size; - } - - switch ($this->channel_status[$channel]) { - case NET_SSH2_MSG_CHANNEL_OPEN: - switch ($type) { - case NET_SSH2_MSG_CHANNEL_OPEN_CONFIRMATION: - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nserver_channel', Strings::shift($response, 4))); - $this->server_channels[$channel] = $server_channel; - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nwindow_size', Strings::shift($response, 4))); - - if ($window_size < 0) { - $window_size&= 0x7FFFFFFF; - $window_size+= 0x80000000; - } - $this->window_size_client_to_server[$channel] = $window_size; - if (strlen($response) < 4) { - return false; - } - $temp = unpack('Npacket_size_client_to_server', Strings::shift($response, 4)); - - $this->packet_size_client_to_server[$channel] = $temp['packet_size_client_to_server']; - $result = $client_channel == $channel ? true : $this->get_channel_packet($client_channel, $skip_extended); - $this->on_channel_open(); - return $result; - //case NET_SSH2_MSG_CHANNEL_OPEN_FAILURE: - default: - $this->disconnect_helper(NET_SSH2_DISCONNECT_BY_APPLICATION); - throw new \RuntimeException('Unable to open channel'); - } - break; - case NET_SSH2_MSG_CHANNEL_REQUEST: - switch ($type) { - case NET_SSH2_MSG_CHANNEL_SUCCESS: - return true; - case NET_SSH2_MSG_CHANNEL_FAILURE: - return false; - default: - $this->disconnect_helper(NET_SSH2_DISCONNECT_BY_APPLICATION); - throw new \RuntimeException('Unable to fulfill channel request'); - } - case NET_SSH2_MSG_CHANNEL_CLOSE: - return $type == NET_SSH2_MSG_CHANNEL_CLOSE ? true : $this->get_channel_packet($client_channel, $skip_extended); - } - } - - // ie. $this->channel_status[$channel] == NET_SSH2_MSG_CHANNEL_DATA - - switch ($type) { - case NET_SSH2_MSG_CHANNEL_DATA: - /* - if ($channel == self::CHANNEL_EXEC) { - // SCP requires null packets, such as this, be sent. further, in the case of the ssh.com SSH server - // this actually seems to make things twice as fast. more to the point, the message right after - // SSH_MSG_CHANNEL_DATA (usually SSH_MSG_IGNORE) won't block for as long as it would have otherwise. - // in OpenSSH it slows things down but only by a couple thousandths of a second. - $this->send_channel_packet($channel, chr(0)); - } - */ - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nlength', Strings::shift($response, 4))); - $data = Strings::shift($response, $length); - - if ($channel == self::CHANNEL_AGENT_FORWARD) { - $agent_response = Objects::callFunc($this->agent, 'forward_data', [$data]); - if (!is_bool($agent_response)) { - $this->send_channel_packet($channel, $agent_response); - } - break; - } - - if ($client_channel == $channel) { - return $data; - } - if (!isset($this->channel_buffers[$channel])) { - $this->channel_buffers[$channel] = []; - } - $this->channel_buffers[$channel][] = $data; - break; - case NET_SSH2_MSG_CHANNEL_EXTENDED_DATA: - /* - if ($client_channel == self::CHANNEL_EXEC) { - $this->send_channel_packet($client_channel, chr(0)); - } - */ - // currently, there's only one possible value for $data_type_code: NET_SSH2_EXTENDED_DATA_STDERR - if (strlen($response) < 8) { - return false; - } - extract(unpack('Ndata_type_code/Nlength', Strings::shift($response, 8))); - $data = Strings::shift($response, $length); - - $this->stdErrorLog.= $data; - if ($skip_extended || $this->quiet_mode) { - break; - } - if ($client_channel == $channel) { - return $data; - } - if (!isset($this->channel_buffers[$channel])) { - $this->channel_buffers[$channel] = []; - } - $this->channel_buffers[$channel][] = $data; - break; - case NET_SSH2_MSG_CHANNEL_REQUEST: - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nlength', Strings::shift($response, 4))); - $value = Strings::shift($response, $length); - switch ($value) { - case 'exit-signal': - Strings::shift($response, 1); - if (strlen($response) < 4) { - return false; - } - extract(unpack('Nlength', Strings::shift($response, 4))); - $this->errors[] = 'SSH_MSG_CHANNEL_REQUEST (exit-signal): ' . Strings::shift($response, $length); - if (strlen($response) < 4) { - return false; - } - Strings::shift($response, 1); - extract(unpack('Nlength', Strings::shift($response, 4))); - if ($length) { - $this->errors[count($this->errors)].= "\r\n" . Strings::shift($response, $length); - } - - $this->send_binary_packet(pack('CN', NET_SSH2_MSG_CHANNEL_EOF, $this->server_channels[$client_channel])); - $this->send_binary_packet(pack('CN', NET_SSH2_MSG_CHANNEL_CLOSE, $this->server_channels[$channel])); - - $this->channel_status[$channel] = NET_SSH2_MSG_CHANNEL_EOF; - - break; - case 'exit-status': - if (strlen($response) < 5) { - return false; - } - extract(unpack('Cfalse/Nexit_status', Strings::shift($response, 5))); - - $this->exit_status = $exit_status; - - // "The client MAY ignore these messages." - // -- http://tools.ietf.org/html/rfc4254#section-6.10 - - break; - default: - // "Some systems may not implement signals, in which case they SHOULD ignore this message." - // -- http://tools.ietf.org/html/rfc4254#section-6.9 - break; - } - break; - case NET_SSH2_MSG_CHANNEL_CLOSE: - $this->curTimeout = 0; - - if ($this->bitmap & self::MASK_SHELL) { - $this->bitmap&= ~self::MASK_SHELL; - } - if ($this->channel_status[$channel] != NET_SSH2_MSG_CHANNEL_EOF) { - $this->send_binary_packet(pack('CN', NET_SSH2_MSG_CHANNEL_CLOSE, $this->server_channels[$channel])); - } - - $this->channel_status[$channel] = NET_SSH2_MSG_CHANNEL_CLOSE; - if ($client_channel == $channel) { - return true; - } - case NET_SSH2_MSG_CHANNEL_EOF: - break; - default: - $this->disconnect_helper(NET_SSH2_DISCONNECT_BY_APPLICATION); - throw new \RuntimeException('Error reading channel data'); - } - } - } - - /** - * Sends Binary Packets - * - * See '6. Binary Packet Protocol' of rfc4253 for more info. - * - * @param string $data - * @param string $logged - * @see self::_get_binary_packet() - * @return bool - * @access private - */ - protected function send_binary_packet($data, $logged = null) - { - if (!is_resource($this->fsock) || feof($this->fsock)) { - $this->bitmap = 0; - throw new \RuntimeException('Connection closed prematurely'); - } - - //if ($this->compress) { - // // the -4 removes the checksum: - // // http://php.net/function.gzcompress#57710 - // $data = substr(gzcompress($data), 0, -4); - //} - - // 4 (packet length) + 1 (padding length) + 4 (minimal padding amount) == 9 - $packet_length = strlen($data) + 9; - // round up to the nearest $this->encrypt_block_size - $packet_length+= (($this->encrypt_block_size - 1) * $packet_length) % $this->encrypt_block_size; - // subtracting strlen($data) is obvious - subtracting 5 is necessary because of packet_length and padding_length - $padding_length = $packet_length - strlen($data) - 5; - $padding = Random::string($padding_length); - - // we subtract 4 from packet_length because the packet_length field isn't supposed to include itself - $packet = pack('NCa*', $packet_length - 4, $padding_length, $data . $padding); - - $hmac = $this->hmac_create !== false ? $this->hmac_create->hash(pack('Na*', $this->send_seq_no, $packet)) : ''; - $this->send_seq_no++; - - if ($this->encrypt !== false) { - $packet = $this->encrypt->encrypt($packet); - } - - $packet.= $hmac; - - $start = microtime(true); - $result = strlen($packet) == fputs($this->fsock, $packet); - $stop = microtime(true); - - if (defined('NET_SSH2_LOGGING')) { - $current = microtime(true); - $message_number = isset($this->message_numbers[ord($data[0])]) ? $this->message_numbers[ord($data[0])] : 'UNKNOWN (' . ord($data[0]) . ')'; - $message_number = '-> ' . $message_number . - ' (since last: ' . round($current - $this->last_packet, 4) . ', network: ' . round($stop - $start, 4) . 's)'; - $this->append_log($message_number, isset($logged) ? $logged : $data); - $this->last_packet = $current; - } - - return $result; - } - - /** - * Logs data packets - * - * Makes sure that only the last 1MB worth of packets will be logged - * - * @param string $data - * @access private - */ - private function append_log($message_number, $message) - { - // remove the byte identifying the message type from all but the first two messages (ie. the identification strings) - if (strlen($message_number) > 2) { - Strings::shift($message); - } - - switch (NET_SSH2_LOGGING) { - // useful for benchmarks - case self::LOG_SIMPLE: - $this->message_number_log[] = $message_number; - break; - // the most useful log for SSH2 - case self::LOG_COMPLEX: - $this->message_number_log[] = $message_number; - $this->log_size+= strlen($message); - $this->message_log[] = $message; - while ($this->log_size > self::LOG_MAX_SIZE) { - $this->log_size-= strlen(array_shift($this->message_log)); - array_shift($this->message_number_log); - } - break; - // dump the output out realtime; packets may be interspersed with non packets, - // passwords won't be filtered out and select other packets may not be correctly - // identified - case self::LOG_REALTIME: - switch (PHP_SAPI) { - case 'cli': - $start = $stop = "\r\n"; - break; - default: - $start = '
';
-                        $stop = '
'; - } - echo $start . $this->format_log([$message], [$message_number]) . $stop; - @flush(); - @ob_flush(); - break; - // basically the same thing as self::LOG_REALTIME with the caveat that NET_SFTP_LOG_REALTIME_FILENAME - // needs to be defined and that the resultant log file will be capped out at self::LOG_MAX_SIZE. - // the earliest part of the log file is denoted by the first <<< START >>> and is not going to necessarily - // at the beginning of the file - case self::LOG_REALTIME_FILE: - if (!isset($this->realtime_log_file)) { - // PHP doesn't seem to like using constants in fopen() - $filename = NET_SSH2_LOG_REALTIME_FILENAME; - $fp = fopen($filename, 'w'); - $this->realtime_log_file = $fp; - } - if (!is_resource($this->realtime_log_file)) { - break; - } - $entry = $this->format_log([$message], [$message_number]); - if ($this->realtime_log_wrap) { - $temp = "<<< START >>>\r\n"; - $entry.= $temp; - fseek($this->realtime_log_file, ftell($this->realtime_log_file) - strlen($temp)); - } - $this->realtime_log_size+= strlen($entry); - if ($this->realtime_log_size > self::LOG_MAX_SIZE) { - fseek($this->realtime_log_file, 0); - $this->realtime_log_size = strlen($entry); - $this->realtime_log_wrap = true; - } - fputs($this->realtime_log_file, $entry); - } - } - - /** - * Sends channel data - * - * Spans multiple SSH_MSG_CHANNEL_DATAs if appropriate - * - * @param int $client_channel - * @param string $data - * @return bool - * @access private - */ - protected function send_channel_packet($client_channel, $data) - { - while (strlen($data)) { - if (!$this->window_size_client_to_server[$client_channel]) { - $this->bitmap^= self::MASK_WINDOW_ADJUST; - // using an invalid channel will let the buffers be built up for the valid channels - $this->get_channel_packet(-1); - $this->bitmap^= self::MASK_WINDOW_ADJUST; - } - - /* The maximum amount of data allowed is determined by the maximum - packet size for the channel, and the current window size, whichever - is smaller. - -- http://tools.ietf.org/html/rfc4254#section-5.2 */ - $max_size = min( - $this->packet_size_client_to_server[$client_channel], - $this->window_size_client_to_server[$client_channel] - ); - - $temp = Strings::shift($data, $max_size); - $packet = pack( - 'CN2a*', - NET_SSH2_MSG_CHANNEL_DATA, - $this->server_channels[$client_channel], - strlen($temp), - $temp - ); - $this->window_size_client_to_server[$client_channel]-= strlen($temp); - if (!$this->send_binary_packet($packet)) { - return false; - } - } - - return true; - } - - /** - * Closes and flushes a channel - * - * \phpseclib\Net\SSH2 doesn't properly close most channels. For exec() channels are normally closed by the server - * and for SFTP channels are presumably closed when the client disconnects. This functions is intended - * for SCP more than anything. - * - * @param int $client_channel - * @param bool $want_reply - * @return bool - * @access private - */ - private function close_channel($client_channel, $want_reply = false) - { - // see http://tools.ietf.org/html/rfc4254#section-5.3 - - $this->send_binary_packet(pack('CN', NET_SSH2_MSG_CHANNEL_EOF, $this->server_channels[$client_channel])); - - if (!$want_reply) { - $this->send_binary_packet(pack('CN', NET_SSH2_MSG_CHANNEL_CLOSE, $this->server_channels[$client_channel])); - } - - $this->channel_status[$client_channel] = NET_SSH2_MSG_CHANNEL_CLOSE; - - $this->curTimeout = 0; - - while (!is_bool($this->get_channel_packet($client_channel))) { - } - - if ($want_reply) { - $this->send_binary_packet(pack('CN', NET_SSH2_MSG_CHANNEL_CLOSE, $this->server_channels[$client_channel])); - } - - if ($this->bitmap & self::MASK_SHELL) { - $this->bitmap&= ~self::MASK_SHELL; - } - } - - /** - * Disconnect - * - * @param int $reason - * @return bool - * @access private - */ - private function disconnect_helper($reason) - { - if ($this->bitmap & self::MASK_CONNECTED) { - $data = pack('CNNa*Na*', NET_SSH2_MSG_DISCONNECT, $reason, 0, '', 0, ''); - $this->send_binary_packet($data); - $this->bitmap = 0; - fclose($this->fsock); - return false; - } - } - - /** - * Define Array - * - * Takes any number of arrays whose indices are integers and whose values are strings and defines a bunch of - * named constants from it, using the value as the name of the constant and the index as the value of the constant. - * If any of the constants that would be defined already exists, none of the constants will be defined. - * - * @param array $array - * @access private - */ - protected function define_array() - { - $args = func_get_args(); - foreach ($args as $arg) { - foreach ($arg as $key => $value) { - if (!defined($value)) { - define($value, $key); - } else { - break 2; - } - } - } - } - - /** - * Returns a log of the packets that have been sent and received. - * - * Returns a string if NET_SSH2_LOGGING == self::LOG_COMPLEX, an array if NET_SSH2_LOGGING == self::LOG_SIMPLE and false if !defined('NET_SSH2_LOGGING') - * - * @access public - * @return array|false|string - */ - public function getLog() - { - if (!defined('NET_SSH2_LOGGING')) { - return false; - } - - switch (NET_SSH2_LOGGING) { - case self::LOG_SIMPLE: - return $this->message_number_log; - case self::LOG_COMPLEX: - $log = $this->_format_log($this->message_log, $this->message_number_log); - return PHP_SAPI == 'cli' ? $log : '
' . $log . '
'; - default: - return false; - } - } - - /** - * Formats a log for printing - * - * @param array $message_log - * @param array $message_number_log - * @access private - * @return string - */ - protected function format_log($message_log, $message_number_log) - { - $output = ''; - for ($i = 0; $i < count($message_log); $i++) { - $output.= $message_number_log[$i] . "\r\n"; - $current_log = $message_log[$i]; - $j = 0; - do { - if (strlen($current_log)) { - $output.= str_pad(dechex($j), 7, '0', STR_PAD_LEFT) . '0 '; - } - $fragment = Strings::shift($current_log, $this->log_short_width); - $hex = substr(preg_replace_callback('#.#s', [$this, 'format_log_helper'], $fragment), strlen($this->log_boundary)); - // replace non ASCII printable characters with dots - // http://en.wikipedia.org/wiki/ASCII#ASCII_printable_characters - // also replace < with a . since < messes up the output on web browsers - $raw = preg_replace('#[^\x20-\x7E]|<#', '.', $fragment); - $output.= str_pad($hex, $this->log_long_width - $this->log_short_width, ' ') . $raw . "\r\n"; - $j++; - } while (strlen($current_log)); - $output.= "\r\n"; - } - - return $output; - } - - /** - * Helper function for _format_log - * - * For use with preg_replace_callback() - * - * @param array $matches - * @access private - * @return string - */ - private function format_log_helper($matches) - { - return $this->log_boundary . str_pad(dechex(ord($matches[0])), 2, '0', STR_PAD_LEFT); - } - - /** - * Helper function for agent->on_channel_open() - * - * Used when channels are created to inform agent - * of said channel opening. Must be called after - * channel open confirmation received - * - * @access private - */ - private function on_channel_open() - { - if (isset($this->agent)) { - Objects::callFunc($this->agent, 'on_channel_open', [$this]); - } - } - - /** - * Returns the first value of the intersection of two arrays or false if - * the intersection is empty. The order is defined by the first parameter. - * - * @param array $array1 - * @param array $array2 - * @return mixed False if intersection is empty, else intersected value. - * @access private - */ - private function array_intersect_first($array1, $array2) - { - foreach ($array1 as $value) { - if (in_array($value, $array2)) { - return $value; - } - } - return false; - } - - /** - * Returns all errors - * - * @return string[] - * @access public - */ - public function getErrors() - { - return $this->errors; - } - - /** - * Returns the last error - * - * @return string - * @access public - */ - public function getLastError() - { - $count = count($this->errors); - - if ($count > 0) { - return $this->errors[$count - 1]; - } - } - - /** - * Return the server identification. - * - * @return string - * @access public - */ - public function getServerIdentification() - { - $this->connect(); - - return $this->server_identifier; - } - - /** - * Return a list of the key exchange algorithms the server supports. - * - * @return array - * @access public - */ - public function getKexAlgorithms() - { - $this->connect(); - - return $this->kex_algorithms; - } - - /** - * Return a list of the host key (public key) algorithms the server supports. - * - * @return array - * @access public - */ - public function getServerHostKeyAlgorithms() - { - $this->connect(); - - return $this->server_host_key_algorithms; - } - - /** - * Return a list of the (symmetric key) encryption algorithms the server supports, when receiving stuff from the client. - * - * @return array - * @access public - */ - public function getEncryptionAlgorithmsClient2Server() - { - $this->connect(); - - return $this->encryption_algorithms_client_to_server; - } - - /** - * Return a list of the (symmetric key) encryption algorithms the server supports, when sending stuff to the client. - * - * @return array - * @access public - */ - public function getEncryptionAlgorithmsServer2Client() - { - $this->connect(); - - return $this->encryption_algorithms_server_to_client; - } - - /** - * Return a list of the MAC algorithms the server supports, when receiving stuff from the client. - * - * @return array - * @access public - */ - public function getMACAlgorithmsClient2Server() - { - $this->connect(); - - return $this->mac_algorithms_client_to_server; - } - - /** - * Return a list of the MAC algorithms the server supports, when sending stuff to the client. - * - * @return array - * @access public - */ - public function getMACAlgorithmsServer2Client() - { - $this->connect(); - - return $this->mac_algorithms_server_to_client; - } - - /** - * Return a list of the compression algorithms the server supports, when receiving stuff from the client. - * - * @return array - * @access public - */ - public function getCompressionAlgorithmsClient2Server() - { - $this->connect(); - - return $this->compression_algorithms_client_to_server; - } - - /** - * Return a list of the compression algorithms the server supports, when sending stuff to the client. - * - * @return array - * @access public - */ - public function getCompressionAlgorithmsServer2Client() - { - $this->connect(); - - return $this->compression_algorithms_server_to_client; - } - - /** - * Return a list of the languages the server supports, when sending stuff to the client. - * - * @return array - * @access public - */ - public function getLanguagesServer2Client() - { - $this->connect(); - - return $this->languages_server_to_client; - } - - /** - * Return a list of the languages the server supports, when receiving stuff from the client. - * - * @return array - * @access public - */ - public function getLanguagesClient2Server() - { - $this->connect(); - - return $this->languages_client_to_server; - } - - /** - * Returns the banner message. - * - * Quoting from the RFC, "in some jurisdictions, sending a warning message before - * authentication may be relevant for getting legal protection." - * - * @return string - * @access public - */ - public function getBannerMessage() - { - return $this->banner_message; - } - - /** - * Returns the server public host key. - * - * Caching this the first time you connect to a server and checking the result on subsequent connections - * is recommended. Returns false if the server signature is not signed correctly with the public host key. - * - * @return mixed - * @throws \RuntimeException on badly formatted keys - * @throws \phpseclib\Exception\NoSupportedAlgorithmsException when the key isn't in a supported format - * @access public - */ - public function getServerPublicHostKey() - { - if (!($this->bitmap & self::MASK_CONSTRUCTOR)) { - if (!$this->connect()) { - return false; - } - } - - $signature = $this->signature; - $server_public_host_key = $this->server_public_host_key; - - if (strlen($server_public_host_key) < 4) { - return false; - } - extract(unpack('Nlength', Strings::shift($server_public_host_key, 4))); - Strings::shift($server_public_host_key, $length); - - if ($this->signature_validated) { - return $this->bitmap ? - $this->signature_format . ' ' . Base64::encode($this->server_public_host_key) : - false; - } - - $this->signature_validated = true; - - switch ($this->signature_format) { - case 'ssh-dss': - $zero = new BigInteger(); - - if (strlen($server_public_host_key) < 4) { - return false; - } - $temp = unpack('Nlength', Strings::shift($server_public_host_key, 4)); - $p = new BigInteger(Strings::shift($server_public_host_key, $temp['length']), -256); - - if (strlen($server_public_host_key) < 4) { - return false; - } - $temp = unpack('Nlength', Strings::shift($server_public_host_key, 4)); - $q = new BigInteger(Strings::shift($server_public_host_key, $temp['length']), -256); - - if (strlen($server_public_host_key) < 4) { - return false; - } - $temp = unpack('Nlength', Strings::shift($server_public_host_key, 4)); - $g = new BigInteger(Strings::shift($server_public_host_key, $temp['length']), -256); - - if (strlen($server_public_host_key) < 4) { - return false; - } - $temp = unpack('Nlength', Strings::shift($server_public_host_key, 4)); - $y = new BigInteger(Strings::shift($server_public_host_key, $temp['length']), -256); - - /* The value for 'dss_signature_blob' is encoded as a string containing - r, followed by s (which are 160-bit integers, without lengths or - padding, unsigned, and in network byte order). */ - $temp = unpack('Nlength', Strings::shift($signature, 4)); - if ($temp['length'] != 40) { - $this->disconnect_helper(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED); - throw new \RuntimeException('Invalid signature'); - } - - $r = new BigInteger(Strings::shift($signature, 20), 256); - $s = new BigInteger(Strings::shift($signature, 20), 256); - - switch (true) { - case $r->equals($zero): - case $r->compare($q) >= 0: - case $s->equals($zero): - case $s->compare($q) >= 0: - $this->disconnectHepler(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED); - throw new \RuntimeException('Invalid signature'); - } - - $w = $s->modInverse($q); - - $u1 = $w->multiply(new BigInteger(sha1($this->exchange_hash), 16)); - list(, $u1) = $u1->divide($q); - - $u2 = $w->multiply($r); - list(, $u2) = $u2->divide($q); - - $g = $g->modPow($u1, $p); - $y = $y->modPow($u2, $p); - - $v = $g->multiply($y); - list(, $v) = $v->divide($p); - list(, $v) = $v->divide($q); - - if (!$v->equals($r)) { - //user_error('Bad server signature'); - return $this->disconnect_helper(NET_SSH2_DISCONNECT_HOST_KEY_NOT_VERIFIABLE); - } - - break; - case 'ssh-rsa': - if (strlen($server_public_host_key) < 4) { - return false; - } - $temp = unpack('Nlength', Strings::shift($server_public_host_key, 4)); - $e = new BigInteger(Strings::shift($server_public_host_key, $temp['length']), -256); - - if (strlen($server_public_host_key) < 4) { - return false; - } - $temp = unpack('Nlength', Strings::shift($server_public_host_key, 4)); - $rawN = Strings::shift($server_public_host_key, $temp['length']); - $n = new BigInteger($rawN, -256); - $nLength = strlen(ltrim($rawN, "\0")); - - /* - if (strlen($signature) < 4) { - return false; - } - $temp = unpack('Nlength', Strings::shift($signature, 4)); - $signature = Strings::shift($signature, $temp['length']); - - $rsa = new RSA(); - $rsa->load(['e' => $e, 'n' => $n], 'raw'); - $rsa->setHash('sha1'); - if (!$rsa->verify($this->exchange_hash, $signature, RSA::PADDING_PKCS1)) { - //user_error('Bad server signature'); - return $this->disconnect_helper(NET_SSH2_DISCONNECT_HOST_KEY_NOT_VERIFIABLE); - } - */ - - if (strlen($signature) < 4) { - return false; - } - $temp = unpack('Nlength', Strings::shift($signature, 4)); - $s = new BigInteger(Strings::shift($signature, $temp['length']), 256); - - // validate an RSA signature per "8.2 RSASSA-PKCS1-v1_5", "5.2.2 RSAVP1", and "9.1 EMSA-PSS" in the - // following URL: - // ftp://ftp.rsasecurity.com/pub/pkcs/pkcs-1/pkcs-1v2-1.pdf - - // also, see SSHRSA.c (rsa2_verifysig) in PuTTy's source. - - if ($s->compare(new BigInteger()) < 0 || $s->compare($n->subtract(new BigInteger(1))) > 0) { - $this->disconnect_helper(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED); - throw new \RuntimeException('Invalid signature'); - } - - $s = $s->modPow($e, $n); - $s = $s->toBytes(); - - $h = pack('N4H*', 0x00302130, 0x0906052B, 0x0E03021A, 0x05000414, sha1($this->exchange_hash)); - $h = chr(0x01) . str_repeat(chr(0xFF), $nLength - 2 - strlen($h)) . $h; - - if ($s != $h) { - //user_error('Bad server signature'); - return $this->disconnect_helper(NET_SSH2_DISCONNECT_HOST_KEY_NOT_VERIFIABLE); - } - break; - default: - $this->disconnect_helper(NET_SSH2_DISCONNECT_HOST_KEY_NOT_VERIFIABLE); - throw new NoSupportedAlgorithmsException('Unsupported signature format'); - } - - return $this->signature_format . ' ' . Base64::encode($this->server_public_host_key); - } - - /** - * Returns the exit status of an SSH command or false. - * - * @return false|int - * @access public - */ - public function getExitStatus() - { - if (is_null($this->exit_status)) { - return false; - } - return $this->exit_status; - } - - /** - * Returns the number of columns for the terminal window size. - * - * @return int - * @access public - */ - public function getWindowColumns() - { - return $this->windowColumns; - } - - /** - * Returns the number of rows for the terminal window size. - * - * @return int - * @access public - */ - public function getWindowRows() - { - return $this->windowRows; - } - - /** - * Sets the number of columns for the terminal window size. - * - * @param int $value - * @access public - */ - public function setWindowColumns($value) - { - $this->windowColumns = $value; - } - - /** - * Sets the number of rows for the terminal window size. - * - * @param int $value - * @access public - */ - public function setWindowRows($value) - { - $this->windowRows = $value; - } - - /** - * Sets the number of columns and rows for the terminal window size. - * - * @param int $columns - * @param int $rows - * @access public - */ - public function setWindowSize($columns = 80, $rows = 24) - { - $this->windowColumns = $columns; - $this->windowRows = $rows; - } - - /** - * To String Magic Method - * - * @return string - * @access public - */ - public function __toString() - { - return $this->getResourceId(); - } - - /** - * Get Resource ID - * - * We use {} because that symbols should not be in URL according to - * {@link http://tools.ietf.org/html/rfc3986#section-2 RFC}. - * It will safe us from any conflicts, because otherwise regexp will - * match all alphanumeric domains. - * - * @return string - */ - public function getResourceId() - { - return '{' . spl_object_hash($this) . '}'; - } - - /** - * Return existing connection - * - * @param string $id - * - * @return bool|SSH2 will return false if no such connection - */ - public static function getConnectionByResourceId($id) - { - return isset(self::$connections[$id]) ? self::$connections[$id] : false; - } - - /** - * Return all excising connections - * - * @return SSH2[] - */ - public static function getConnections() - { - return self::$connections; - } -} diff --git a/lib/phpaes/phpseclib/System/SSH/Agent.php b/lib/phpaes/phpseclib/System/SSH/Agent.php deleted file mode 100644 index 29182d10cb..0000000000 --- a/lib/phpaes/phpseclib/System/SSH/Agent.php +++ /dev/null @@ -1,340 +0,0 @@ - - * login('username', $agent)) { - * exit('Login Failed'); - * } - * - * echo $ssh->exec('pwd'); - * echo $ssh->exec('ls -la'); - * ?> - * - * - * @category System - * @package SSH\Agent - * @author Jim Wigginton - * @copyright 2014 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - * @internal See http://api.libssh.org/rfc/PROTOCOL.agent - */ - -namespace phpseclib\System\SSH; - -use ParagonIE\ConstantTime\Base64; -use phpseclib\Crypt\RSA; -use phpseclib\Exception\BadConfigurationException; -use phpseclib\System\SSH\Agent\Identity; -use phpseclib\Common\Functions\Objects; - -/** - * Pure-PHP ssh-agent client identity factory - * - * requestIdentities() method pumps out \phpseclib\System\SSH\Agent\Identity objects - * - * @package SSH\Agent - * @author Jim Wigginton - * @access internal - */ -class Agent -{ - /**#@+ - * Message numbers - * - * @access private - */ - // to request SSH1 keys you have to use SSH_AGENTC_REQUEST_RSA_IDENTITIES (1) - const SSH_AGENTC_REQUEST_IDENTITIES = 11; - // this is the SSH2 response; the SSH1 response is SSH_AGENT_RSA_IDENTITIES_ANSWER (2). - const SSH_AGENT_IDENTITIES_ANSWER = 12; - // the SSH1 request is SSH_AGENTC_RSA_CHALLENGE (3) - const SSH_AGENTC_SIGN_REQUEST = 13; - // the SSH1 response is SSH_AGENT_RSA_RESPONSE (4) - const SSH_AGENT_SIGN_RESPONSE = 14; - /**#@-*/ - - /**@+ - * Agent forwarding status - * - * @access private - */ - // no forwarding requested and not active - const FORWARD_NONE = 0; - // request agent forwarding when opportune - const FORWARD_REQUEST = 1; - // forwarding has been request and is active - const FORWARD_ACTIVE = 2; - /**#@-*/ - - /** - * Unused - */ - const SSH_AGENT_FAILURE = 5; - - /** - * Socket Resource - * - * @var resource - * @access private - */ - private $fsock; - - /** - * Agent forwarding status - * - * @var int - * @access private - */ - private $forward_status = self::FORWARD_NONE; - - /** - * Buffer for accumulating forwarded authentication - * agent data arriving on SSH data channel destined - * for agent unix socket - * - * @var string - * @access private - */ - private $socket_buffer = ''; - - /** - * Tracking the number of bytes we are expecting - * to arrive for the agent socket on the SSH data - * channel - * - * @var int - * @access private - */ - private $expected_bytes = 0; - - /** - * The current request channel - * - * @var int - * @access private - */ - private $request_channel; - - /** - * Default Constructor - * - * @return \phpseclib\System\SSH\Agent - * @throws \phpseclib\Exception\BadConfigurationException if SSH_AUTH_SOCK cannot be found - * @throws \RuntimeException on connection errors - * @access public - */ - public function __construct() - { - switch (true) { - case isset($_SERVER['SSH_AUTH_SOCK']): - $address = $_SERVER['SSH_AUTH_SOCK']; - break; - case isset($_ENV['SSH_AUTH_SOCK']): - $address = $_ENV['SSH_AUTH_SOCK']; - break; - default: - throw new BadConfigurationException('SSH_AUTH_SOCK not found'); - } - - $this->fsock = fsockopen('unix://' . $address, 0, $errno, $errstr); - if (!$this->fsock) { - throw new \RuntimeException("Unable to connect to ssh-agent (Error $errno: $errstr)"); - } - } - - /** - * Request Identities - * - * See "2.5.2 Requesting a list of protocol 2 keys" - * Returns an array containing zero or more \phpseclib\System\SSH\Agent\Identity objects - * - * @return array - * @throws \RuntimeException on receipt of unexpected packets - * @access public - */ - public function requestIdentities() - { - if (!$this->fsock) { - return []; - } - - $packet = pack('NC', 1, self::SSH_AGENTC_REQUEST_IDENTITIES); - if (strlen($packet) != fputs($this->fsock, $packet)) { - throw new \RuntimeException('Connection closed while requesting identities'); - } - - $length = current(unpack('N', fread($this->fsock, 4))); - $type = ord(fread($this->fsock, 1)); - if ($type != self::SSH_AGENT_IDENTITIES_ANSWER) { - throw new \RuntimeException('Unable to request identities'); - } - - $identities = []; - $keyCount = current(unpack('N', fread($this->fsock, 4))); - for ($i = 0; $i < $keyCount; $i++) { - $length = current(unpack('N', fread($this->fsock, 4))); - $key_blob = fread($this->fsock, $length); - $key_str = 'ssh-rsa ' . Base64::encode($key_blob); - $length = current(unpack('N', fread($this->fsock, 4))); - if ($length) { - $key_str.= ' ' . fread($this->fsock, $length); - } - $length = current(unpack('N', substr($key_blob, 0, 4))); - $key_type = substr($key_blob, 4, $length); - switch ($key_type) { - case 'ssh-rsa': - $key = new RSA(); - $key->load($key_str); - break; - case 'ssh-dss': - // not currently supported - break; - } - // resources are passed by reference by default - if (isset($key)) { - $identity = new Identity($this->fsock); - $identity->setPublicKey($key); - $identity->setPublicKeyBlob($key_blob); - $identities[] = $identity; - unset($key); - } - } - - return $identities; - } - - /** - * Signal that agent forwarding should - * be requested when a channel is opened - * - * @param Net_SSH2 $ssh - * @return bool - * @access public - */ - public function startSSHForwarding($ssh) - { - if ($this->forward_status == self::FORWARD_NONE) { - $this->forward_status = self::FORWARD_REQUEST; - } - } - - /** - * Request agent forwarding of remote server - * - * @param Net_SSH2 $ssh - * @return bool - * @access private - */ - private function request_forwarding($ssh) - { - $this->request_channel = Objects::callFunc($ssh, 'get_open_channel'); - if ($this->request_channel === false) { - return false; - } - - $packet = pack( - 'CNNa*C', - NET_SSH2_MSG_CHANNEL_REQUEST, - Objects::getVar($ssh, 'server_channels')[$this->request_channel], - strlen('auth-agent-req@openssh.com'), - 'auth-agent-req@openssh.com', - 1 - ); - - $this->update_channel_status($ssh, NET_SSH2_MSG_CHANNEL_REQUEST); - if (!Objects::callFunc($ssh, 'send_binary_packet', [$packet])) { - return false; - } - - $response = Objects::callFunc($ssh, 'get_channel_packet', [$this->request_channel]); - if ($response === false) { - return false; - } - - $this->update_channel_status($ssh, NET_SSH2_MSG_CHANNEL_OPEN); - $this->forward_status = self::FORWARD_ACTIVE; - - return true; - } - - /** - * On successful channel open - * - * This method is called upon successful channel - * open to give the SSH Agent an opportunity - * to take further action. i.e. request agent forwarding - * - * @param Net_SSH2 $ssh - * @access private - */ - private function on_channel_open($ssh) - { - if ($this->forward_status == self::FORWARD_REQUEST) { - $this->request_forwarding($ssh); - } - } - - /** - * Forward data to SSH Agent and return data reply - * - * @param string $data - * @return data from SSH Agent - * @throws \RuntimeException on connection errors - * @access private - */ - private function forward_data($data) - { - if ($this->expected_bytes > 0) { - $this->socket_buffer.= $data; - $this->expected_bytes -= strlen($data); - } else { - $agent_data_bytes = current(unpack('N', $data)); - $current_data_bytes = strlen($data); - $this->socket_buffer = $data; - if ($current_data_bytes != $agent_data_bytes + 4) { - $this->expected_bytes = ($agent_data_bytes + 4) - $current_data_bytes; - return false; - } - } - - if (strlen($this->socket_buffer) != fwrite($this->fsock, $this->socket_buffer)) { - throw new \RuntimeException('Connection closed attempting to forward data to SSH agent'); - } - - $this->socket_buffer = ''; - $this->expected_bytes = 0; - - $agent_reply_bytes = current(unpack('N', fread($this->fsock, 4))); - - $agent_reply_data = fread($this->fsock, $agent_reply_bytes); - $agent_reply_data = current(unpack('a*', $agent_reply_data)); - - return pack('Na*', $agent_reply_bytes, $agent_reply_data); - } - - /** - * Forward data to SSH Agent and return data reply - * - * @param \phpseclib\Net\SSH2 $ssh - * @param integer $status - * @access private - */ - private function update_channel_status($ssh, $status) - { - $temp = Objects::getVar($ssh, 'channel_status'); - $temp[$this->request_channel] = $status; - Objects::setVar($ssh, 'channel_status', $temp); - } -} diff --git a/lib/phpaes/phpseclib/System/SSH/Agent/Identity.php b/lib/phpaes/phpseclib/System/SSH/Agent/Identity.php deleted file mode 100644 index fd36fef3f4..0000000000 --- a/lib/phpaes/phpseclib/System/SSH/Agent/Identity.php +++ /dev/null @@ -1,171 +0,0 @@ - - * @copyright 2009 Jim Wigginton - * @license http://www.opensource.org/licenses/mit-license.html MIT License - * @link http://phpseclib.sourceforge.net - * @internal See http://api.libssh.org/rfc/PROTOCOL.agent - */ - -namespace phpseclib\System\SSH\Agent; - -use phpseclib\Crypt\RSA; -use phpseclib\Exception\UnsupportedAlgorithmException; -use phpseclib\System\SSH\Agent; - -/** - * Pure-PHP ssh-agent client identity object - * - * Instantiation should only be performed by \phpseclib\System\SSH\Agent class. - * This could be thought of as implementing an interface that phpseclib\Crypt\RSA - * implements. ie. maybe a Net_SSH_Auth_PublicKey interface or something. - * The methods in this interface would be getPublicKey and sign since those are the - * methods phpseclib looks for to perform public key authentication. - * - * @package SSH\Agent - * @author Jim Wigginton - * @access internal - */ -class Identity -{ - /** - * Key Object - * - * @var \phpseclib\Crypt\RSA - * @access private - * @see self::getPublicKey() - */ - private $key; - - /** - * Key Blob - * - * @var string - * @access private - * @see self::sign() - */ - private $key_blob; - - /** - * Socket Resource - * - * @var resource - * @access private - * @see self::sign() - */ - private $fsock; - - /** - * Default Constructor. - * - * @param resource $fsock - * @return \phpseclib\System\SSH\Agent\Identity - * @access private - */ - public function __construct($fsock) - { - $this->fsock = $fsock; - } - - /** - * Set Public Key - * - * Called by \phpseclib\System\SSH\Agent::requestIdentities() - * - * @param \phpseclib\Crypt\RSA $key - * @access private - */ - public function setPublicKey($key) - { - $this->key = $key; - $this->key->setPublicKey(); - } - - /** - * Set Public Key - * - * Called by \phpseclib\System\SSH\Agent::requestIdentities(). The key blob could be extracted from $this->key - * but this saves a small amount of computation. - * - * @param string $key_blob - * @access private - */ - public function setPublicKeyBlob($key_blob) - { - $this->key_blob = $key_blob; - } - - /** - * Get Public Key - * - * Wrapper for $this->key->getPublicKey() - * - * @param int $type optional - * @return mixed - * @access public - */ - public function getPublicKey($type = 'PKCS8') - { - return $this->key->getPublicKey($type); - } - - /** - * Sets the hash - * - * ssh-agent only supports signatures with sha1 hashes but to maintain BC with RSA.php this function exists - * - * @param string $hash optional - * @throws \phpseclib\Exception\UnsupportedAlgorithmException if the algorithm is unsupported - * @access public - */ - public function setHash($hash = 'sha1') - { - if ($hash != 'sha1') { - throw new UnsupportedAlgorithmException('ssh-agent can only be used with the sha1 hash'); - } - } - - /** - * Create a signature - * - * See "2.6.2 Protocol 2 private key signature request" - * - * @param string $message - * @param int $padding optional - * @return string - * @throws \RuntimeException on connection errors - * @throws \phpseclib\Exception\UnsupportedAlgorithmException if the algorithm is unsupported - * @access public - */ - public function sign($message, $padding = RSA::PADDING_PKCS1) - { - if ($padding != RSA::PADDING_PKCS1 && $padding != RSA::PADDING_RELAXED_PKCS1) { - throw new UnsupportedAlgorithmException('ssh-agent can only create PKCS1 signatures'); - } - - // the last parameter (currently 0) is for flags and ssh-agent only defines one flag (for ssh-dss): SSH_AGENT_OLD_SIGNATURE - $packet = pack('CNa*Na*N', Agent::SSH_AGENTC_SIGN_REQUEST, strlen($this->key_blob), $this->key_blob, strlen($message), $message, 0); - $packet = pack('Na*', strlen($packet), $packet); - if (strlen($packet) != fputs($this->fsock, $packet)) { - throw new \RuntimeException('Connection closed during signing'); - } - - $length = 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