diff --git a/ChangeLog b/ChangeLog index 89f0dcdcc5..ea4d544f9c 100644 --- a/ChangeLog +++ b/ChangeLog @@ -95,6 +95,7 @@ phpMyAdmin - ChangeLog - issue #11380 Incomplete message after import - issue Incorrect scalar type declaration (reported under PHP 7) - issue #11389 ReCaptcha produces deprecated messages under PHP 7 +- issue #11387 phpseclib < 2.0 produces deprecated messages on PHP 7 4.4.13.1 (2015-08-08) - issue #11368 SQL error when importing phpMyAdmin dump file diff --git a/libraries/phpseclib/Crypt/AES.php b/libraries/phpseclib/Crypt/AES.php index 26b1ae8f24..2696e0abb7 100644 --- a/libraries/phpseclib/Crypt/AES.php +++ b/libraries/phpseclib/Crypt/AES.php @@ -5,23 +5,27 @@ * * Uses mcrypt, if available/possible, and an internal implementation, otherwise. * - * PHP versions 4 and 5 + * PHP version 5 * - * If {@link Crypt_AES::setKeyLength() setKeyLength()} isn't called, it'll be calculated from - * {@link Crypt_AES::setKey() setKey()}. ie. if the key is 128-bits, the key length will be 128-bits. If it's 136-bits - * it'll be null-padded to 192-bits and 192 bits will be the key length until {@link Crypt_AES::setKey() setKey()} + * NOTE: Since AES.php is (for compatibility and phpseclib-historical reasons) virtually + * just a wrapper to Rijndael.php you may consider using Rijndael.php instead of + * to save one include_once(). + * + * If {@link \phpseclib\Crypt\AES::setKeyLength() setKeyLength()} isn't called, it'll be calculated from + * {@link \phpseclib\Crypt\AES::setKey() setKey()}. ie. if the key is 128-bits, the key length will be 128-bits. If it's 136-bits + * it'll be null-padded to 192-bits and 192 bits will be the key length until {@link \phpseclib\Crypt\AES::setKey() setKey()} * is called, again, at which point, it'll be recalculated. * - * Since Crypt_AES extends Crypt_Rijndael, some functions are available to be called that, in the context of AES, don't - * make a whole lot of sense. {@link Crypt_AES::setBlockLength() setBlockLength()}, for instance. Calling that function, + * Since \phpseclib\Crypt\AES extends \phpseclib\Crypt\Rijndael, some functions are available to be called that, in the context of AES, don't + * make a whole lot of sense. {@link \phpseclib\Crypt\AES::setBlockLength() setBlockLength()}, for instance. Calling that function, * however possible, won't do anything (AES has a fixed block length whereas Rijndael has a variable one). * * Here's a short example of how to use this library: * * setKey('abcdefghijklmnop'); * @@ -35,145 +39,33 @@ * ?> * * - * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - * * @category Crypt - * @package Crypt_AES + * @package AES * @author Jim Wigginton - * @copyright MMVIII Jim Wigginton + * @copyright 2008 Jim Wigginton * @license http://www.opensource.org/licenses/mit-license.html MIT License * @link http://phpseclib.sourceforge.net */ -/** - * Include Crypt_Rijndael - */ -if (!class_exists('Crypt_Rijndael')) { - include_once 'Rijndael.php'; -} +namespace phpseclib\Crypt; -/**#@+ - * @access public - * @see Crypt_AES::encrypt() - * @see Crypt_AES::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 - */ -define('CRYPT_AES_MODE_CTR', CRYPT_MODE_CTR); -/** - * Encrypt / decrypt using the Electronic Code Book mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Electronic_codebook_.28ECB.29 - */ -define('CRYPT_AES_MODE_ECB', CRYPT_MODE_ECB); -/** - * Encrypt / decrypt using the Code Book Chaining mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Cipher-block_chaining_.28CBC.29 - */ -define('CRYPT_AES_MODE_CBC', CRYPT_MODE_CBC); -/** - * Encrypt / decrypt using the Cipher Feedback mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Cipher_feedback_.28CFB.29 - */ -define('CRYPT_AES_MODE_CFB', CRYPT_MODE_CFB); -/** - * Encrypt / decrypt using the Cipher Feedback mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Output_feedback_.28OFB.29 - */ -define('CRYPT_AES_MODE_OFB', CRYPT_MODE_OFB); -/**#@-*/ - -/**#@+ - * @access private - * @see Crypt_AES::Crypt_AES() - */ -/** - * Toggles the internal implementation - */ -define('CRYPT_AES_MODE_INTERNAL', CRYPT_MODE_INTERNAL); -/** - * Toggles the mcrypt implementation - */ -define('CRYPT_AES_MODE_MCRYPT', CRYPT_MODE_MCRYPT); -/**#@-*/ +use phpseclib\Crypt\Rijndael; /** * Pure-PHP implementation of AES. * - * @package Crypt_AES + * @package AES * @author Jim Wigginton * @access public */ -class Crypt_AES extends Crypt_Rijndael +class AES extends Rijndael { - /** - * The namespace used by the cipher for its constants. - * - * @see Crypt_Base::const_namespace - * @var String - * @access private - */ - var $const_namespace = 'AES'; - - /** - * Default Constructor. - * - * Determines whether or not the mcrypt extension should be used. - * - * $mode could be: - * - * - CRYPT_AES_MODE_ECB - * - * - CRYPT_AES_MODE_CBC - * - * - CRYPT_AES_MODE_CTR - * - * - CRYPT_AES_MODE_CFB - * - * - CRYPT_AES_MODE_OFB - * - * If not explicitly set, CRYPT_AES_MODE_CBC will be used. - * - * @see Crypt_Rijndael::Crypt_Rijndael() - * @see Crypt_Base::Crypt_Base() - * @param optional Integer $mode - * @access public - */ - function Crypt_AES($mode = CRYPT_AES_MODE_CBC) - { - parent::Crypt_Rijndael($mode); - } - /** * Dummy function * - * Since Crypt_AES extends Crypt_Rijndael, this function is, technically, available, but it doesn't do anything. + * Since \phpseclib\Crypt\AES extends \phpseclib\Crypt\Rijndael, this function is, technically, available, but it doesn't do anything. * - * @see Crypt_Rijndael::setBlockLength() + * @see \phpseclib\Crypt\Rijndael::setBlockLength() * @access public * @param Integer $length */ @@ -181,4 +73,56 @@ class Crypt_AES extends Crypt_Rijndael { return; } + + /** + * Sets the key length + * + * Valid key lengths are 128, 192, and 256. If the length is less than 128, it will be rounded up to + * 128. If the length is greater than 128 and invalid, it will be rounded down to the closest valid amount. + * + * @see \phpseclib\Crypt\Rijndael:setKeyLength() + * @access public + * @param Integer $length + */ + function setKeyLength($length) + { + switch ($length) { + case 160: + $length = 192; + break; + case 224: + $length = 256; + } + parent::setKeyLength($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 $key + */ + function setKey($key) + { + parent::setKey($key); + + if (!$this->explicit_key_length) { + $length = strlen($key); + switch (true) { + case $length <= 16: + $this->key_size = 16; + break; + case $length <= 24: + $this->key_size = 24; + break; + default: + $this->key_size = 32; + } + $this->_setEngine(); + } + } } diff --git a/libraries/phpseclib/Crypt/Base.php b/libraries/phpseclib/Crypt/Base.php index 83f46e3e56..715ab2a5da 100644 --- a/libraries/phpseclib/Crypt/Base.php +++ b/libraries/phpseclib/Crypt/Base.php @@ -1,14 +1,14 @@ * @author Hans-Juergen Petrich - * @copyright MMVII Jim Wigginton + * @copyright 2007 Jim Wigginton * @license http://www.opensource.org/licenses/mit-license.html MIT License * @link http://phpseclib.sourceforge.net */ -/**#@+ - * @access public - * @see Crypt_Base::encrypt() - * @see Crypt_Base::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 - */ -define('CRYPT_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 - */ -define('CRYPT_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 - */ -define('CRYPT_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 - */ -define('CRYPT_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 - */ -define('CRYPT_MODE_OFB', 4); -/** - * Encrypt / decrypt using streaming mode. - * - */ -define('CRYPT_MODE_STREAM', 5); -/**#@-*/ +namespace phpseclib\Crypt; -/**#@+ - * @access private - * @see Crypt_Base::Crypt_Base() - */ -/** - * Base value for the internal implementation $engine switch - */ -define('CRYPT_MODE_INTERNAL', 1); -/** - * Base value for the mcrypt implementation $engine switch - */ -define('CRYPT_MODE_MCRYPT', 2); -/**#@-*/ +use phpseclib\Crypt\Hash; /** - * Base Class for all Crypt_* cipher classes + * Base Class for all \phpseclib\Crypt\* cipher classes * - * @package Crypt_Base + * @package Base * @author Jim Wigginton * @author Hans-Juergen Petrich - * @access public */ -class Crypt_Base +abstract class Base { + /**#@+ + * @access public + * @see \phpseclib\Crypt\Base::encrypt() + * @see \phpseclib\Crypt\Base::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; + /**#@-*/ + + /** + * Whirlpool available flag + * + * @see \phpseclib\Crypt\Base::_hashInlineCryptFunction() + * @var Boolean + * @access private + */ + static $WHIRLPOOL_AVAILABLE; + + /**#@+ + * @access private + * @see \phpseclib\Crypt\Base::__construct() + */ + /** + * Base value for the internal implementation $engine switch + */ + const ENGINE_INTERNAL = 1; + /** + * Base value for the mcrypt implementation $engine switch + */ + const ENGINE_MCRYPT = 2; + /** + * Base value for the mcrypt implementation $engine switch + */ + const ENGINE_OPENSSL = 3; + /**#@-*/ + /** * The Encryption Mode * - * @see Crypt_Base::Crypt_Base() + * @see \phpseclib\Crypt\Base::__construct() * @var Integer * @access private */ @@ -140,7 +137,7 @@ class Crypt_Base /** * The Key * - * @see Crypt_Base::setKey() + * @see \phpseclib\Crypt\Base::setKey() * @var String * @access private */ @@ -149,7 +146,7 @@ class Crypt_Base /** * The Initialization Vector * - * @see Crypt_Base::setIV() + * @see \phpseclib\Crypt\Base::setIV() * @var String * @access private */ @@ -158,8 +155,8 @@ class Crypt_Base /** * A "sliding" Initialization Vector * - * @see Crypt_Base::enableContinuousBuffer() - * @see Crypt_Base::_clearBuffers() + * @see \phpseclib\Crypt\Base::enableContinuousBuffer() + * @see \phpseclib\Crypt\Base::_clearBuffers() * @var String * @access private */ @@ -168,8 +165,8 @@ class Crypt_Base /** * A "sliding" Initialization Vector * - * @see Crypt_Base::enableContinuousBuffer() - * @see Crypt_Base::_clearBuffers() + * @see \phpseclib\Crypt\Base::enableContinuousBuffer() + * @see \phpseclib\Crypt\Base::_clearBuffers() * @var String * @access private */ @@ -178,7 +175,7 @@ class Crypt_Base /** * Continuous Buffer status * - * @see Crypt_Base::enableContinuousBuffer() + * @see \phpseclib\Crypt\Base::enableContinuousBuffer() * @var Boolean * @access private */ @@ -187,8 +184,8 @@ class Crypt_Base /** * Encryption buffer for CTR, OFB and CFB modes * - * @see Crypt_Base::encrypt() - * @see Crypt_Base::_clearBuffers() + * @see \phpseclib\Crypt\Base::encrypt() + * @see \phpseclib\Crypt\Base::_clearBuffers() * @var Array * @access private */ @@ -197,8 +194,8 @@ class Crypt_Base /** * Decryption buffer for CTR, OFB and CFB modes * - * @see Crypt_Base::decrypt() - * @see Crypt_Base::_clearBuffers() + * @see \phpseclib\Crypt\Base::decrypt() + * @see \phpseclib\Crypt\Base::_clearBuffers() * @var Array * @access private */ @@ -210,7 +207,7 @@ class Crypt_Base * 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 Crypt_Base::encrypt() + * @see \phpseclib\Crypt\Base::encrypt() * @var Resource * @access private */ @@ -222,7 +219,7 @@ class Crypt_Base * 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 Crypt_Base::decrypt() + * @see \phpseclib\Crypt\Base::decrypt() * @var Resource * @access private */ @@ -231,8 +228,8 @@ class Crypt_Base /** * Does the enmcrypt resource need to be (re)initialized? * - * @see Crypt_Twofish::setKey() - * @see Crypt_Twofish::setIV() + * @see \phpseclib\Crypt\Twofish::setKey() + * @see \phpseclib\Crypt\Twofish::setIV() * @var Boolean * @access private */ @@ -241,8 +238,8 @@ class Crypt_Base /** * Does the demcrypt resource need to be (re)initialized? * - * @see Crypt_Twofish::setKey() - * @see Crypt_Twofish::setIV() + * @see \phpseclib\Crypt\Twofish::setKey() + * @see \phpseclib\Crypt\Twofish::setIV() * @var Boolean * @access private */ @@ -259,9 +256,9 @@ class Crypt_Base * use a separate ECB-mode mcrypt resource. * * @link http://phpseclib.sourceforge.net/cfb-demo.phps - * @see Crypt_Base::encrypt() - * @see Crypt_Base::decrypt() - * @see Crypt_Base::_setupMcrypt() + * @see \phpseclib\Crypt\Base::encrypt() + * @see \phpseclib\Crypt\Base::decrypt() + * @see \phpseclib\Crypt\Base::_setupMcrypt() * @var Resource * @access private */ @@ -271,7 +268,7 @@ class Crypt_Base * Optimizing value while CFB-encrypting * * Only relevant if $continuousBuffer enabled - * and $engine == CRYPT_MODE_MCRYPT + * and $engine == self::ENGINE_MCRYPT * * It's faster to re-init $enmcrypt if * $buffer bytes > $cfb_init_len than @@ -283,7 +280,7 @@ class Crypt_Base * which, typically, depends on the complexity * on its internaly Key-expanding algorithm. * - * @see Crypt_Base::encrypt() + * @see \phpseclib\Crypt\Base::encrypt() * @var Integer * @access private */ @@ -303,7 +300,7 @@ class Crypt_Base /** * Padding status * - * @see Crypt_Base::enablePadding() + * @see \phpseclib\Crypt\Base::enablePadding() * @var Boolean * @access private */ @@ -312,7 +309,7 @@ class Crypt_Base /** * Is the mode one that is paddable? * - * @see Crypt_Base::Crypt_Base() + * @see \phpseclib\Crypt\Base::__construct() * @var Boolean * @access private */ @@ -323,39 +320,68 @@ class Crypt_Base * which will be determined automatically on __construct() * * Currently available $engines are: - * - CRYPT_MODE_MCRYPT (fast, php-extension: mcrypt, extension_loaded('mcrypt') required) - * - CRYPT_MODE_INTERNAL (slower, pure php-engine, no php-extension required) + * - 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) * - * In the pipeline... maybe. But currently not available: - * - CRYPT_MODE_OPENSSL (very fast, php-extension: openssl, extension_loaded('openssl') required) - * - * If possible, CRYPT_MODE_MCRYPT will be used for each cipher. - * Otherwise CRYPT_MODE_INTERNAL - * - * @see Crypt_Base::encrypt() - * @see Crypt_Base::decrypt() + * @see \phpseclib\Crypt\Base::_setEngine() + * @see \phpseclib\Crypt\Base::encrypt() + * @see \phpseclib\Crypt\Base::decrypt() * @var Integer * @access private */ var $engine; + /** + * Holds the preferred crypt engine + * + * @see \phpseclib\Crypt\Base::_setEngine() + * @see \phpseclib\Crypt\Base::setPreferredEngine() + * @var Integer + * @access private + */ + var $preferredEngine; + /** * The mcrypt specific name of the cipher * - * Only used if $engine == CRYPT_MODE_MCRYPT + * Only used if $engine == self::ENGINE_MCRYPT * * @link http://www.php.net/mcrypt_module_open * @link http://www.php.net/mcrypt_list_algorithms - * @see Crypt_Base::_setupMcrypt() + * @see \phpseclib\Crypt\Base::_setupMcrypt() * @var String * @access private */ var $cipher_name_mcrypt; + /** + * The openssl specific name of the cipher + * + * Only used if $engine == CRYPT_ENGINE_OPENSSL + * + * @link http://www.php.net/openssl-get-cipher-methods + * @var String + * @access private + */ + var $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 + */ + var $cipher_name_openssl_ecb; + /** * The default password key_size used by setPassword() * - * @see Crypt_Base::setPassword() + * @see \phpseclib\Crypt\Base::setPassword() * @var Integer * @access private */ @@ -364,45 +390,22 @@ class Crypt_Base /** * The default salt used by setPassword() * - * @see Crypt_Base::setPassword() + * @see \phpseclib\Crypt\Base::setPassword() * @var String * @access private */ var $password_default_salt = 'phpseclib/salt'; - /** - * The namespace used by the cipher for its constants. - * - * ie: AES.php is using CRYPT_AES_MODE_* for its constants - * so $const_namespace is AES - * - * DES.php is using CRYPT_DES_MODE_* for its constants - * so $const_namespace is DES... and so on - * - * All CRYPT_<$const_namespace>_MODE_* are aliases of - * the generic CRYPT_MODE_* constants, so both could be used - * for each cipher. - * - * Example: - * $aes = new Crypt_AES(CRYPT_AES_MODE_CFB); // $aes will operate in cfb mode - * $aes = new Crypt_AES(CRYPT_MODE_CFB); // identical - * - * @see Crypt_Base::Crypt_Base() - * @var String - * @access private - */ - var $const_namespace; - /** * The name of the performance-optimized callback function * * Used by encrypt() / decrypt() - * only if $engine == CRYPT_MODE_INTERNAL + * only if $engine == self::ENGINE_INTERNAL * - * @see Crypt_Base::encrypt() - * @see Crypt_Base::decrypt() - * @see Crypt_Base::_setupInlineCrypt() - * @see Crypt_Base::$use_inline_crypt + * @see \phpseclib\Crypt\Base::encrypt() + * @see \phpseclib\Crypt\Base::decrypt() + * @see \phpseclib\Crypt\Base::_setupInlineCrypt() + * @see \phpseclib\Crypt\Base::$use_inline_crypt * @var Callback * @access private */ @@ -411,14 +414,32 @@ class Crypt_Base /** * Holds whether performance-optimized $inline_crypt() can/should be used. * - * @see Crypt_Base::encrypt() - * @see Crypt_Base::decrypt() - * @see Crypt_Base::inline_crypt + * @see \phpseclib\Crypt\Base::encrypt() + * @see \phpseclib\Crypt\Base::decrypt() + * @see \phpseclib\Crypt\Base::inline_crypt * @var mixed * @access private */ var $use_inline_crypt; + /** + * If OpenSSL can be used in ECB but not in CTR we can emulate CTR + * + * @see \phpseclib\Crypt\Base::_openssl_ctr_process() + * @var Boolean + * @access private + */ + var $openssl_emulate_ctr = false; + + /** + * Determines what options are passed to openssl_encrypt/decrypt + * + * @see \phpseclib\Crypt\Base::isValidEngine() + * @var mixed + * @access private + */ + var $openssl_options; + /** * Default Constructor. * @@ -426,69 +447,45 @@ class Crypt_Base * * $mode could be: * - * - CRYPT_MODE_ECB + * - self::MODE_ECB * - * - CRYPT_MODE_CBC + * - self::MODE_CBC * - * - CRYPT_MODE_CTR + * - self::MODE_CTR * - * - CRYPT_MODE_CFB + * - self::MODE_CFB * - * - CRYPT_MODE_OFB + * - self::MODE_OFB * * (or the alias constants of the chosen cipher, for example for AES: CRYPT_AES_MODE_ECB or CRYPT_AES_MODE_CBC ...) * - * If not explicitly set, CRYPT_MODE_CBC will be used. + * If not explicitly set, self::MODE_CBC will be used. * * @param optional Integer $mode * @access public */ - function Crypt_Base($mode = CRYPT_MODE_CBC) + function __construct($mode = self::MODE_CBC) { - $const_crypt_mode = 'CRYPT_' . $this->const_namespace . '_MODE'; - - // Determining the availibility of mcrypt support for the cipher - if (!defined($const_crypt_mode)) { - switch (true) { - case extension_loaded('mcrypt') && in_array($this->cipher_name_mcrypt, mcrypt_list_algorithms()): - define($const_crypt_mode, CRYPT_MODE_MCRYPT); - break; - default: - define($const_crypt_mode, CRYPT_MODE_INTERNAL); - } - } - - // Determining which internal $engine should be used. - // The fastes possible first. - switch (true) { - case empty($this->cipher_name_mcrypt): // The cipher module has no mcrypt-engine support at all so we force CRYPT_MODE_INTERNAL - $this->engine = CRYPT_MODE_INTERNAL; - break; - case constant($const_crypt_mode) == CRYPT_MODE_MCRYPT: - $this->engine = CRYPT_MODE_MCRYPT; - break; - default: - $this->engine = CRYPT_MODE_INTERNAL; - } - // $mode dependent settings switch ($mode) { - case CRYPT_MODE_ECB: + case self::MODE_ECB: $this->paddable = true; + $this->mode = self::MODE_ECB; + break; + case self::MODE_CTR: + case self::MODE_CFB: + case self::MODE_OFB: + case self::MODE_STREAM: $this->mode = $mode; break; - case CRYPT_MODE_CTR: - case CRYPT_MODE_CFB: - case CRYPT_MODE_OFB: - case CRYPT_MODE_STREAM: - $this->mode = $mode; - break; - case CRYPT_MODE_CBC: + case self::MODE_CBC: default: $this->paddable = true; - $this->mode = CRYPT_MODE_CBC; + $this->mode = self::MODE_CBC; } + $this->_setEngine(); + // Determining whether inline crypting can be used by the cipher if ($this->use_inline_crypt !== false && function_exists('create_function')) { $this->use_inline_crypt = true; @@ -498,17 +495,16 @@ class Crypt_Base /** * Sets the initialization vector. (optional) * - * SetIV is not required when CRYPT_MODE_ECB (or ie for AES: CRYPT_AES_MODE_ECB) is being used. If not explicitly set, it'll be assumed + * SetIV is not required when self::MODE_ECB (or ie for AES: \phpseclib\Crypt\AES::MODE_ECB) is being used. If not explicitly set, it'll be assumed * to be all zero's. * - * Note: Could, but not must, extend by the child Crypt_* class - * * @access public * @param String $iv + * @internal Can be overwritten by a sub class, but does not have to be */ function setIV($iv) { - if ($this->mode == CRYPT_MODE_ECB) { + if ($this->mode == self::MODE_ECB) { return; } @@ -526,39 +522,39 @@ class Crypt_Base * * If the key is not explicitly set, it'll be assumed to be all null bytes. * - * Note: Could, but not must, extend by the child Crypt_* class - * * @access public * @param String $key + * @internal Could, but not must, extend by the child Crypt_* class */ function setKey($key) { $this->key = $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}: + * {@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 * - * Note: Could, but not must, extend by the child Crypt_* class - * * @see Crypt/Hash.php * @param String $password * @param optional String $method + * @return Boolean * @access public + * @internal Could, but not must, extend by the child Crypt_* class */ function setPassword($password, $method = 'pbkdf2') { $key = ''; switch ($method) { - default: // 'pbkdf2' + default: // 'pbkdf2' or 'pbkdf1' $func_args = func_get_args(); // Hash function @@ -572,19 +568,37 @@ class Crypt_Base $count = isset($func_args[4]) ? $func_args[4] : 1000; // Keylength - $dkLen = isset($func_args[5]) ? $func_args[5] : $this->password_key_size; + if (isset($func_args[5])) { + $dkLen = $func_args[5]; + } else { + $dkLen = $method == 'pbkdf1' ? 2 * $this->password_key_size : $this->password_key_size; + } - // Determining if php[>=5.5.0]'s hash_pbkdf2() function avail- and useable switch (true) { + case $method == 'pbkdf1': + $hashObj = new Hash(); + $hashObj->setHash($hash); + if ($dkLen > $hashObj->getLength()) { + user_error('Derived key too long'); + return false; + } + $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)); + $this->setIV(substr($key, $dkLen >> 1)); + + return true; + // Determining if php[>=5.5.0]'s hash_pbkdf2() function avail- and useable case !function_exists('hash_pbkdf2'): case !function_exists('hash_algos'): case !in_array($hash, hash_algos()): - if (!class_exists('Crypt_Hash')) { - include_once 'Crypt/Hash.php'; - } $i = 1; while (strlen($key) < $dkLen) { - $hmac = new Crypt_Hash(); + $hmac = new Hash(); $hmac->setHash($hash); $hmac->setKey($password); $f = $u = $hmac->hash($salt . pack('N', $i++)); @@ -602,6 +616,8 @@ class Crypt_Base } $this->setKey($key); + + return true; } /** @@ -618,16 +634,91 @@ class Crypt_Base * strlen($plaintext) will still need to be a multiple of the block size, however, arbitrary values can be added to make it that * length. * - * Note: Could, but not must, extend by the child Crypt_* class - * - * @see Crypt_Base::decrypt() + * @see \phpseclib\Crypt\Base::decrypt() * @access public * @param String $plaintext - * @return String $cipertext + * @return String $ciphertext + * @internal Could, but not must, extend by the child Crypt_* class */ function encrypt($plaintext) { - if ($this->engine == CRYPT_MODE_MCRYPT) { + if ($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, $this->openssl_options); + case self::MODE_ECB: + $result = openssl_encrypt($plaintext, $this->cipher_name_openssl, $this->key, $this->openssl_options); + return !defined('OPENSSL_RAW_DATA') ? substr($result, 0, -$this->block_size) : $result; + case self::MODE_CBC: + $result = openssl_encrypt($plaintext, $this->cipher_name_openssl, $this->key, $this->openssl_options, $this->encryptIV); + if ($this->continuousBuffer) { + $this->encryptIV = substr($result, -$this->block_size); + } + return !defined('OPENSSL_RAW_DATA') ? substr($result, 0, -$this->block_size) : $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, $this->openssl_options, $iv); + $iv = $this->_string_pop($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, $this->openssl_options, $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(); $this->changed = false; @@ -640,7 +731,7 @@ class Crypt_Base // re: {@link http://phpseclib.sourceforge.net/cfb-demo.phps} // using mcrypt's default handing of CFB the above would output two different things. using phpseclib's // rewritten CFB implementation the above outputs the same thing twice. - if ($this->mode == CRYPT_MODE_CFB && $this->continuousBuffer) { + if ($this->mode == self::MODE_CFB && $this->continuousBuffer) { $block_size = $this->block_size; $iv = &$this->encryptIV; $pos = &$this->enbuffer['pos']; @@ -693,10 +784,6 @@ class Crypt_Base return $ciphertext; } - if ($this->paddable) { - $plaintext = $this->_pad($plaintext); - } - $ciphertext = mcrypt_generic($this->enmcrypt, $plaintext); if (!$this->continuousBuffer) { @@ -714,20 +801,17 @@ class Crypt_Base $inline = $this->inline_crypt; return $inline('encrypt', $this, $plaintext); } - if ($this->paddable) { - $plaintext = $this->_pad($plaintext); - } $buffer = &$this->enbuffer; $block_size = $this->block_size; $ciphertext = ''; switch ($this->mode) { - case CRYPT_MODE_ECB: + case self::MODE_ECB: for ($i = 0; $i < strlen($plaintext); $i+=$block_size) { $ciphertext.= $this->_encryptBlock(substr($plaintext, $i, $block_size)); } break; - case CRYPT_MODE_CBC: + case self::MODE_CBC: $xor = $this->encryptIV; for ($i = 0; $i < strlen($plaintext); $i+=$block_size) { $block = substr($plaintext, $i, $block_size); @@ -739,32 +823,34 @@ class Crypt_Base $this->encryptIV = $xor; } break; - case CRYPT_MODE_CTR: + case self::MODE_CTR: $xor = $this->encryptIV; - if (strlen($buffer['encrypted'])) { + if (strlen($buffer['ciphertext'])) { for ($i = 0; $i < strlen($plaintext); $i+=$block_size) { $block = substr($plaintext, $i, $block_size); - if (strlen($block) > strlen($buffer['encrypted'])) { - $buffer['encrypted'].= $this->_encryptBlock($this->_generateXor($xor, $block_size)); + if (strlen($block) > strlen($buffer['ciphertext'])) { + $buffer['ciphertext'].= $this->_encryptBlock($xor); } - $key = $this->_stringShift($buffer['encrypted'], $block_size); + $this->_increment_str($xor); + $key = $this->_string_shift($buffer['ciphertext'], $block_size); $ciphertext.= $block ^ $key; } } else { for ($i = 0; $i < strlen($plaintext); $i+=$block_size) { $block = substr($plaintext, $i, $block_size); - $key = $this->_encryptBlock($this->_generateXor($xor, $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) { - $buffer['encrypted'] = substr($key, $start) . $buffer['encrypted']; + $buffer['ciphertext'] = substr($key, $start) . $buffer['ciphertext']; } } break; - case CRYPT_MODE_CFB: + case self::MODE_CFB: // cfb loosely routines inspired by openssl's: // {@link http://cvs.openssl.org/fileview?f=openssl/crypto/modes/cfb128.c&v=1.3.2.2.2.1} if ($this->continuousBuffer) { @@ -806,7 +892,7 @@ class Crypt_Base $pos = $len; } break; - case CRYPT_MODE_OFB: + case self::MODE_OFB: $xor = $this->encryptIV; if (strlen($buffer['xor'])) { for ($i = 0; $i < strlen($plaintext); $i+=$block_size) { @@ -815,7 +901,7 @@ class Crypt_Base $xor = $this->_encryptBlock($xor); $buffer['xor'].= $xor; } - $key = $this->_stringShift($buffer['xor'], $block_size); + $key = $this->_string_shift($buffer['xor'], $block_size); $ciphertext.= $block ^ $key; } } else { @@ -832,7 +918,7 @@ class Crypt_Base } } break; - case CRYPT_MODE_STREAM: + case self::MODE_STREAM: $ciphertext = $this->_encryptBlock($plaintext); break; } @@ -846,16 +932,101 @@ class Crypt_Base * 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. * - * Note: Could, but not must, extend by the child Crypt_* class - * - * @see Crypt_Base::encrypt() + * @see \phpseclib\Crypt\Base::encrypt() * @access public * @param String $ciphertext * @return String $plaintext + * @internal Could, but not must, extend by the child Crypt_* class */ function decrypt($ciphertext) { - if ($this->engine == CRYPT_MODE_MCRYPT) { + if ($this->paddable) { + // we pad with chr(0) since that's what mcrypt_generic does. to quote from {@link http://www.php.net/function.mcrypt-generic}: + // "The data is padded with "\0" to make sure the length of the data is n * blocksize." + $ciphertext = str_pad($ciphertext, strlen($ciphertext) + ($this->block_size - strlen($ciphertext) % $this->block_size) % $this->block_size, chr(0)); + } + + if ($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, $this->openssl_options); + break; + case self::MODE_ECB: + if (!defined('OPENSSL_RAW_DATA')) { + $ciphetext.= openssl_encrypt('', $this->cipher_name_openssl_ecb, $this->key, true); + } + $plaintext = openssl_decrypt($ciphertext, $this->cipher_name_openssl, $this->key, $this->openssl_options); + break; + case self::MODE_CBC: + if (!defined('OPENSSL_RAW_DATA')) { + $padding = str_repeat(chr($this->block_size), $this->block_size) ^ substr($ciphertext, -$this->block_size); + $ciphertext.= substr(openssl_encrypt($padding, $this->cipher_name_openssl_ecb, $this->key, true), 0, $this->block_size); + } + $plaintext = openssl_decrypt($ciphertext, $this->cipher_name_openssl, $this->key, $this->openssl_options, $this->decryptIV); + if ($this->continuousBuffer) { + $this->decryptIV = substr($ciphertext, -$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, $this->openssl_options, $iv); + if ($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, $this->openssl_options, $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, $this->openssl_options, $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(); @@ -866,7 +1037,7 @@ class Crypt_Base $this->dechanged = false; } - if ($this->mode == CRYPT_MODE_CFB && $this->continuousBuffer) { + if ($this->mode == self::MODE_CFB && $this->continuousBuffer) { $iv = &$this->decryptIV; $pos = &$this->debuffer['pos']; $len = strlen($ciphertext); @@ -904,12 +1075,6 @@ class Crypt_Base return $plaintext; } - if ($this->paddable) { - // we pad with chr(0) since that's what mcrypt_generic does. to quote from {@link http://www.php.net/function.mcrypt-generic}: - // "The data is padded with "\0" to make sure the length of the data is n * blocksize." - $ciphertext = str_pad($ciphertext, strlen($ciphertext) + ($block_size - strlen($ciphertext) % $block_size) % $block_size, chr(0)); - } - $plaintext = mdecrypt_generic($this->demcrypt, $ciphertext); if (!$this->continuousBuffer) { @@ -929,20 +1094,16 @@ class Crypt_Base } $block_size = $this->block_size; - if ($this->paddable) { - // we pad with chr(0) since that's what mcrypt_generic does [...] - $ciphertext = str_pad($ciphertext, strlen($ciphertext) + ($block_size - strlen($ciphertext) % $block_size) % $block_size, chr(0)); - } $buffer = &$this->debuffer; $plaintext = ''; switch ($this->mode) { - case CRYPT_MODE_ECB: + case self::MODE_ECB: for ($i = 0; $i < strlen($ciphertext); $i+=$block_size) { $plaintext.= $this->_decryptBlock(substr($ciphertext, $i, $block_size)); } break; - case CRYPT_MODE_CBC: + case self::MODE_CBC: $xor = $this->decryptIV; for ($i = 0; $i < strlen($ciphertext); $i+=$block_size) { $block = substr($ciphertext, $i, $block_size); @@ -953,21 +1114,23 @@ class Crypt_Base $this->decryptIV = $xor; } break; - case CRYPT_MODE_CTR: + 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'].= $this->_encryptBlock($this->_generateXor($xor, $block_size)); + $buffer['ciphertext'].= $this->_encryptBlock($xor); + $this->_increment_str($xor); } - $key = $this->_stringShift($buffer['ciphertext'], $block_size); + $key = $this->_string_shift($buffer['ciphertext'], $block_size); $plaintext.= $block ^ $key; } } else { for ($i = 0; $i < strlen($ciphertext); $i+=$block_size) { $block = substr($ciphertext, $i, $block_size); - $key = $this->_encryptBlock($this->_generateXor($xor, $block_size)); + $key = $this->_encryptBlock($xor); + $this->_increment_str($xor); $plaintext.= $block ^ $key; } } @@ -978,7 +1141,7 @@ class Crypt_Base } } break; - case CRYPT_MODE_CFB: + case self::MODE_CFB: if ($this->continuousBuffer) { $iv = &$this->decryptIV; $pos = &$buffer['pos']; @@ -1019,7 +1182,7 @@ class Crypt_Base $pos = $len; } break; - case CRYPT_MODE_OFB: + case self::MODE_OFB: $xor = $this->decryptIV; if (strlen($buffer['xor'])) { for ($i = 0; $i < strlen($ciphertext); $i+=$block_size) { @@ -1028,7 +1191,7 @@ class Crypt_Base $xor = $this->_encryptBlock($xor); $buffer['xor'].= $xor; } - $key = $this->_stringShift($buffer['xor'], $block_size); + $key = $this->_string_shift($buffer['xor'], $block_size); $plaintext.= $block ^ $key; } } else { @@ -1045,13 +1208,185 @@ class Crypt_Base } } break; - case CRYPT_MODE_STREAM: + case self::MODE_STREAM: $plaintext = $this->_decryptBlock($ciphertext); break; } return $this->paddable ? $this->_unpad($plaintext) : $plaintext; } + /** + * 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 Crypt_Base::encrypt() + * and Crypt_Base::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 Crypt_Base::encrypt() + * @see Crypt_Base::decrypt() + * @param String $plaintext + * @param String $encryptIV + * @param Array $buffer + * @return String + * @access private + */ + function _openssl_ctr_process($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'])) { + $result = openssl_encrypt($xor, $this->cipher_name_openssl_ecb, $key, $this->openssl_options); + $result = !defined('OPENSSL_RAW_DATA') ? substr($result, 0, -$this->block_size) : $result; + $buffer['ciphertext'].= $result; + } + $this->_increment_str($xor); + $otp = $this->_string_shift($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, $this->openssl_options); + $otp = !defined('OPENSSL_RAW_DATA') ? substr($otp, 0, -$this->block_size) : $otp; + $this->_increment_str($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 ^ $this->_string_shift($buffer['ciphertext'], strlen($plaintext)); + $plaintext = substr($plaintext, strlen($ciphertext)); + + if (!strlen($plaintext)) { + return $ciphertext; + } + } + + $overflow = strlen($plaintext) % $block_size; + if ($overflow) { + $plaintext2 = $this->_string_pop($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, $this->openssl_options, $encryptIV); + $temp = $this->_string_pop($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, $this->openssl_options, $encryptIV); + $temp = $this->_string_pop($ciphertext, $block_size); + if ($this->continuousBuffer) { + $encryptIV = $temp; + } + } + if ($this->continuousBuffer) { + if (!defined('OPENSSL_RAW_DATA')) { + $encryptIV.= openssl_encrypt('', $this->cipher_name_openssl_ecb, $key, $this->openssl_options); + } + $encryptIV = openssl_decrypt($encryptIV, $this->cipher_name_openssl_ecb, $key, $this->openssl_options); + if ($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 Crypt_Base::encrypt() + * and Crypt_Base::decrypt(). + * + * @see Crypt_Base::encrypt() + * @see Crypt_Base::decrypt() + * @param String $plaintext + * @param String $encryptIV + * @param Array $buffer + * @return String + * @access private + */ + function _openssl_ofb_process($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, $this->openssl_options, $encryptIV); + $xor = $this->_string_pop($ciphertext, $block_size); + if ($this->continuousBuffer) { + $encryptIV = $xor; + } + $ciphertext.= $this->_string_shift($xor, $overflow) ^ substr($plaintext, -$overflow); + if ($this->continuousBuffer) { + $buffer['xor'] = $xor; + } + } else { + $ciphertext = openssl_encrypt($plaintext, $this->cipher_name_openssl, $key, $this->openssl_options, $encryptIV); + if ($this->continuousBuffer) { + $encryptIV = substr($ciphertext, -$block_size) ^ substr($plaintext, -$block_size); + } + } + } + + return $ciphertext; + } + + /** + * phpseclib <-> OpenSSL Mode Mapper + * + * May need to be overwritten by classes extending this one in some cases + * + * @return Integer + * @access private + */ + function _openssl_translate_mode() + { + switch ($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". * @@ -1064,7 +1399,7 @@ class Crypt_Base * away characters that shouldn't be stripped away. (SSH knows how many bytes are added because the length is * transmitted separately) * - * @see Crypt_Base::disablePadding() + * @see \phpseclib\Crypt\Base::disablePadding() * @access public */ function enablePadding() @@ -1075,7 +1410,7 @@ class Crypt_Base /** * Do not pad packets. * - * @see Crypt_Base::enablePadding() + * @see \phpseclib\Crypt\Base::enablePadding() * @access public */ function disablePadding() @@ -1112,23 +1447,24 @@ class Crypt_Base * 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 Crypt_*() object changes after each + * 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. * - * Note: Could, but not must, extend by the child Crypt_* class - * - * @see Crypt_Base::disableContinuousBuffer() + * @see \phpseclib\Crypt\Base::disableContinuousBuffer() * @access public + * @internal Could, but not must, extend by the child Crypt_* class */ function enableContinuousBuffer() { - if ($this->mode == CRYPT_MODE_ECB) { + if ($this->mode == self::MODE_ECB) { return; } $this->continuousBuffer = true; + + $this->_setEngine(); } /** @@ -1136,14 +1472,13 @@ class Crypt_Base * * The default behavior. * - * Note: Could, but not must, extend by the child Crypt_* class - * - * @see Crypt_Base::enableContinuousBuffer() + * @see \phpseclib\Crypt\Base::enableContinuousBuffer() * @access public + * @internal Could, but not must, extend by the child Crypt_* class */ function disableContinuousBuffer() { - if ($this->mode == CRYPT_MODE_ECB) { + if ($this->mode == self::MODE_ECB) { return; } if (!$this->continuousBuffer) { @@ -1152,56 +1487,191 @@ class Crypt_Base $this->continuousBuffer = false; $this->changed = true; + + $this->_setEngine(); + } + + /** + * Test for engine validity + * + * @see \phpseclib\Crypt\Base::Crypt_Base() + * @param Integer $engine + * @access public + * @return Boolean + */ + function isValidEngine($engine) + { + switch ($engine) { + case self::ENGINE_OPENSSL: + if ($this->mode == self::MODE_STREAM && $this->continuousBuffer) { + return false; + } + $this->openssl_emulate_ctr = false; + $result = $this->cipher_name_openssl && + extension_loaded('openssl') && + // PHP 5.3.0 - 5.3.2 did not let you set IV's + version_compare(PHP_VERSION, '5.3.3', '>='); + if (!$result) { + return false; + } + + // prior to PHP 5.4.0 OPENSSL_RAW_DATA and OPENSSL_ZERO_PADDING were not defined. instead of expecting an integer + // $options openssl_encrypt expected a boolean $raw_data. + if (!defined('OPENSSL_RAW_DATA')) { + $this->openssl_options = true; + } else { + $this->openssl_options = OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING; + } + + $methods = openssl_get_cipher_methods(); + if (in_array($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_INTERNAL: + return true; + } + + return false; + } + + /** + * Sets the preferred crypt engine + * + * Currently, $engine could be: + * + * - \phpseclib\Crypt\Base::ENGINE_OPENSSL [very fast] + * + * - \phpseclib\Crypt\Base::ENGINE_MCRYPT [fast] + * + * - \phpseclib\Crypt\Base::ENGINE_INTERNAL [slow] + * + * If the preferred crypt engine is not available the fastest available one will be used + * + * @see \phpseclib\Crypt\Base::Crypt_Base() + * @param Integer $engine + * @access public + */ + function setPreferredEngine($engine) + { + switch ($engine) { + //case self::ENGINE_OPENSSL; + case self::ENGINE_MCRYPT: + case self::ENGINE_INTERNAL: + $this->preferredEngine = $engine; + break; + default: + $this->preferredEngine = self::ENGINE_OPENSSL; + } + + $this->_setEngine(); + } + + /** + * Returns the engine currently being utilized + * + * @see \phpseclib\Crypt\Base::_setEngine() + * @access public + */ + function getEngine() + { + return $this->engine; + } + + /** + * Sets the engine as appropriate + * + * @see \phpseclib\Crypt\Base::Crypt_Base() + * @access private + */ + function _setEngine() + { + $this->engine = null; + + $candidateEngines = array( + $this->preferredEngine, + self::ENGINE_OPENSSL, + self::ENGINE_MCRYPT + ); + foreach ($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 extend by the child Crypt_* class + * Note: Must be extended by the child \phpseclib\Crypt\* class * * @access private * @param String $in * @return String */ - function _encryptBlock($in) - { - user_error((version_compare(PHP_VERSION, '5.0.0', '>=') ? __METHOD__ : __FUNCTION__) . '() must extend by class ' . get_class($this), E_USER_ERROR); - } + abstract function _encryptBlock($in); /** * Decrypts a block * - * Note: Must extend by the child Crypt_* class + * Note: Must be extended by the child \phpseclib\Crypt\* class * * @access private * @param String $in * @return String */ - function _decryptBlock($in) - { - user_error((version_compare(PHP_VERSION, '5.0.0', '>=') ? __METHOD__ : __FUNCTION__) . '() must extend by class ' . get_class($this), E_USER_ERROR); - } + abstract function _decryptBlock($in); /** * Setup the key (expansion) * - * Only used if $engine == CRYPT_MODE_INTERNAL + * Only used if $engine == self::ENGINE_INTERNAL * - * Note: Must extend by the child Crypt_* class + * Note: Must extend by the child \phpseclib\Crypt\* class * - * @see Crypt_Base::_setup() + * @see \phpseclib\Crypt\Base::_setup() * @access private */ - function _setupKey() - { - user_error((version_compare(PHP_VERSION, '5.0.0', '>=') ? __METHOD__ : __FUNCTION__) . '() must extend by class ' . get_class($this), E_USER_ERROR); - } + abstract function _setupKey(); /** - * Setup the CRYPT_MODE_INTERNAL $engine + * Setup the self::ENGINE_INTERNAL $engine * * (re)init, if necessary, the internal cipher $engine and flush all $buffers - * Used (only) if $engine == CRYPT_MODE_INTERNAL + * 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: @@ -1214,14 +1684,12 @@ class Crypt_Base * * - First run of encrypt() / decrypt() with no init-settings * - * Internally: _setup() is called always before(!) en/decryption. - * - * Note: Could, but not must, extend by the child Crypt_* class - * * @see setKey() * @see setIV() * @see disableContinuousBuffer() * @access private + * @internal _setup() is always called before en/decryption. + * @internal Could, but not must, extend by the child Crypt_* class */ function _setup() { @@ -1234,10 +1702,10 @@ class Crypt_Base } /** - * Setup the CRYPT_MODE_MCRYPT $engine + * Setup the self::ENGINE_MCRYPT $engine * * (re)init, if necessary, the (ext)mcrypt resources and flush all $buffers - * Used (only) if $engine = CRYPT_MODE_MCRYPT + * Used (only) if $engine = self::ENGINE_MCRYPT * * _setupMcrypt() will be called each time if $changed === true * typically this happens when using one or more of following public methods: @@ -1250,13 +1718,11 @@ class Crypt_Base * * - First run of encrypt() / decrypt() * - * - * Note: Could, but not must, extend by the child Crypt_* class - * * @see setKey() * @see setIV() * @see disableContinuousBuffer() * @access private + * @internal Could, but not must, extend by the child Crypt_* class */ function _setupMcrypt() { @@ -1265,12 +1731,12 @@ class Crypt_Base if (!isset($this->enmcrypt)) { static $mcrypt_modes = array( - CRYPT_MODE_CTR => 'ctr', - CRYPT_MODE_ECB => MCRYPT_MODE_ECB, - CRYPT_MODE_CBC => MCRYPT_MODE_CBC, - CRYPT_MODE_CFB => 'ncfb', - CRYPT_MODE_OFB => MCRYPT_MODE_NOFB, - CRYPT_MODE_STREAM => MCRYPT_MODE_STREAM, + 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], ''); @@ -1279,13 +1745,13 @@ class Crypt_Base // 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 == CRYPT_MODE_CFB) { + 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 ($this->mode == CRYPT_MODE_CFB) { + if ($this->mode == self::MODE_CFB) { mcrypt_generic_init($this->ecb, $this->key, str_repeat("\0", $this->block_size)); } } @@ -1300,7 +1766,7 @@ class Crypt_Base * 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 Crypt_Base::_unpad() + * @see \phpseclib\Crypt\Base::_unpad() * @param String $text * @access private * @return String @@ -1329,7 +1795,7 @@ class Crypt_Base * 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 Crypt_Base::_pad() + * @see \phpseclib\Crypt\Base::_pad() * @param String $text * @access private * @return String @@ -1356,14 +1822,12 @@ class Crypt_Base * after disableContinuousBuffer() or on cipher $engine (re)init * ie after setKey() or setIV() * - * Note: Could, but not must, extend by the child Crypt_* class - * * @access public + * @internal Could, but not must, extend by the child Crypt_* class */ function _clearBuffers() { - $this->enbuffer = array('encrypted' => '', 'xor' => '', 'pos' => 0, 'enmcrypt_init' => true); - $this->debuffer = array('ciphertext' => '', 'xor' => '', 'pos' => 0, 'demcrypt_init' => true); + $this->enbuffer = $this->debuffer = array('ciphertext' => '', 'xor' => '', 'pos' => 0, 'enmcrypt_init' => true); // mcrypt's handling of invalid's $iv: // $this->encryptIV = $this->decryptIV = strlen($this->iv) == $this->block_size ? $this->iv : str_repeat("\0", $this->block_size); @@ -1380,7 +1844,7 @@ class Crypt_Base * @access private * @return String */ - function _stringShift(&$string, $index = 1) + function _string_shift(&$string, $index = 1) { $substr = substr($string, 0, $index); $string = substr($string, $index); @@ -1388,43 +1852,57 @@ class Crypt_Base } /** - * Generate CTR XOR encryption key + * String Pop * - * Encrypt the output of this and XOR it against the ciphertext / plaintext to get the - * plaintext / ciphertext in CTR mode. + * Inspired by array_pop * - * @see Crypt_Base::decrypt() - * @see Crypt_Base::encrypt() - * @param String $iv - * @param Integer $length + * @param String $string + * @param optional Integer $index * @access private - * @return String $xor + * @return String */ - function _generateXor(&$iv, $length) + function _string_pop(&$string, $index = 1) { - $xor = ''; - $block_size = $this->block_size; - $num_blocks = floor(($length + ($block_size - 1)) / $block_size); - for ($i = 0; $i < $num_blocks; $i++) { - $xor.= $iv; - for ($j = 4; $j <= $block_size; $j+= 4) { - $temp = substr($iv, -$j, 4); - switch ($temp) { - case "\xFF\xFF\xFF\xFF": - $iv = substr_replace($iv, "\x00\x00\x00\x00", -$j, 4); - break; - case "\x7F\xFF\xFF\xFF": - $iv = substr_replace($iv, "\x80\x00\x00\x00", -$j, 4); - break 2; - default: - extract(unpack('Ncount', $temp)); - $iv = substr_replace($iv, pack('N', $count + 1), -$j, 4); - break 2; - } + $substr = substr($string, -$index); + $string = substr($string, 0, -$index); + return $substr; + } + + /** + * Increment the current string + * + * @see \phpseclib\Crypt\Base::decrypt() + * @see \phpseclib\Crypt\Base::encrypt() + * @param String $var + * @access private + */ + function _increment_str(&$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; } } - return $xor; + $remainder = strlen($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); } /** @@ -1437,7 +1915,7 @@ class Crypt_Base * * _setupInlineCrypt() would be called only if: * - * - $engine == CRYPT_MODE_INTERNAL and + * - $engine == self::ENGINE_INTERNAL and * * - $use_inline_crypt === true * @@ -1472,7 +1950,7 @@ class Crypt_Base * - 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 Crypt_* class. + * - 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) @@ -1480,19 +1958,18 @@ class Crypt_Base * - The callback function should not use the 'return' statement, but en/decrypt'ing the content of $in only * * - * @see Crypt_Base::_setup() - * @see Crypt_Base::_createInlineCryptFunction() - * @see Crypt_Base::encrypt() - * @see Crypt_Base::decrypt() + * @see \phpseclib\Crypt\Base::_setup() + * @see \phpseclib\Crypt\Base::_createInlineCryptFunction() + * @see \phpseclib\Crypt\Base::encrypt() + * @see \phpseclib\Crypt\Base::decrypt() * @access private + * @internal If a Crypt_* class providing inline crypting it must extend _setupInlineCrypt() */ function _setupInlineCrypt() { - // If a Crypt_* class providing inline crypting it must extend _setupInlineCrypt() - - // If, for any reason, an extending Crypt_Base() Crypt_* class + // If, for any reason, an extending \phpseclib\Crypt\Base() \phpseclib\Crypt\* class // not using inline crypting then it must be ensured that: $this->use_inline_crypt = false - // ie in the class var declaration of $use_inline_crypt in general for the Crypt_* class, + // ie in the class var declaration of $use_inline_crypt in general for the \phpseclib\Crypt\* class, // in the constructor at object instance-time // or, if it's runtime-specific, at runtime @@ -1589,7 +2066,7 @@ class Crypt_Base * +----------------------------------------------------------------------------------------------+ * * - * See also the Crypt_*::_setupInlineCrypt()'s for + * See also the \phpseclib\Crypt\*::_setupInlineCrypt()'s for * productive inline $cipher_code's how they works. * * Structure of: @@ -1603,9 +2080,9 @@ class Crypt_Base * ); * * - * @see Crypt_Base::_setupInlineCrypt() - * @see Crypt_Base::encrypt() - * @see Crypt_Base::decrypt() + * @see \phpseclib\Crypt\Base::_setupInlineCrypt() + * @see \phpseclib\Crypt\Base::encrypt() + * @see \phpseclib\Crypt\Base::decrypt() * @param Array $cipher_code * @access private * @return String (the name of the created callback function) @@ -1626,10 +2103,9 @@ class Crypt_Base // merged with the $cipher_code algorithm // for encrypt- and decryption. switch ($this->mode) { - case CRYPT_MODE_ECB: + case self::MODE_ECB: $encrypt = $init_encrypt . ' $_ciphertext = ""; - $_text = $self->_pad($_text); $_plaintext_len = strlen($_text); for ($_i = 0; $_i < $_plaintext_len; $_i+= '.$block_size.') { @@ -1655,29 +2131,30 @@ class Crypt_Base return $self->_unpad($_plaintext); '; break; - case CRYPT_MODE_CTR: + case self::MODE_CTR: $encrypt = $init_encrypt . ' $_ciphertext = ""; $_plaintext_len = strlen($_text); $_xor = $self->encryptIV; $_buffer = &$self->enbuffer; - - if (strlen($_buffer["encrypted"])) { + if (strlen($_buffer["ciphertext"])) { for ($_i = 0; $_i < $_plaintext_len; $_i+= '.$block_size.') { $_block = substr($_text, $_i, '.$block_size.'); - if (strlen($_block) > strlen($_buffer["encrypted"])) { - $in = $self->_generateXor($_xor, '.$block_size.'); + if (strlen($_block) > strlen($_buffer["ciphertext"])) { + $in = $_xor; '.$encrypt_block.' - $_buffer["encrypted"].= $in; + $self->_increment_str($_xor); + $_buffer["ciphertext"].= $in; } - $_key = $self->_stringShift($_buffer["encrypted"], '.$block_size.'); + $_key = $self->_string_shift($_buffer["ciphertext"], '.$block_size.'); $_ciphertext.= $_block ^ $_key; } } else { for ($_i = 0; $_i < $_plaintext_len; $_i+= '.$block_size.') { $_block = substr($_text, $_i, '.$block_size.'); - $in = $self->_generateXor($_xor, '.$block_size.'); + $in = $_xor; '.$encrypt_block.' + $self->_increment_str($_xor); $_key = $in; $_ciphertext.= $_block ^ $_key; } @@ -1685,7 +2162,7 @@ class Crypt_Base if ($self->continuousBuffer) { $self->encryptIV = $_xor; if ($_start = $_plaintext_len % '.$block_size.') { - $_buffer["encrypted"] = substr($_key, $_start) . $_buffer["encrypted"]; + $_buffer["ciphertext"] = substr($_key, $_start) . $_buffer["ciphertext"]; } } @@ -1702,18 +2179,20 @@ class Crypt_Base for ($_i = 0; $_i < $_ciphertext_len; $_i+= '.$block_size.') { $_block = substr($_text, $_i, '.$block_size.'); if (strlen($_block) > strlen($_buffer["ciphertext"])) { - $in = $self->_generateXor($_xor, '.$block_size.'); + $in = $_xor; '.$encrypt_block.' + $self->_increment_str($_xor); $_buffer["ciphertext"].= $in; } - $_key = $self->_stringShift($_buffer["ciphertext"], '.$block_size.'); + $_key = $self->_string_shift($_buffer["ciphertext"], '.$block_size.'); $_plaintext.= $_block ^ $_key; } } else { for ($_i = 0; $_i < $_ciphertext_len; $_i+= '.$block_size.') { $_block = substr($_text, $_i, '.$block_size.'); - $in = $self->_generateXor($_xor, '.$block_size.'); + $in = $_xor; '.$encrypt_block.' + $self->_increment_str($_xor); $_key = $in; $_plaintext.= $_block ^ $_key; } @@ -1728,7 +2207,7 @@ class Crypt_Base return $_plaintext; '; break; - case CRYPT_MODE_CFB: + case self::MODE_CFB: $encrypt = $init_encrypt . ' $_ciphertext = ""; $_buffer = &$self->enbuffer; @@ -1827,7 +2306,7 @@ class Crypt_Base return $_plaintext; '; break; - case CRYPT_MODE_OFB: + case self::MODE_OFB: $encrypt = $init_encrypt . ' $_ciphertext = ""; $_plaintext_len = strlen($_text); @@ -1843,7 +2322,7 @@ class Crypt_Base $_xor = $in; $_buffer["xor"].= $_xor; } - $_key = $self->_stringShift($_buffer["xor"], '.$block_size.'); + $_key = $self->_string_shift($_buffer["xor"], '.$block_size.'); $_ciphertext.= $_block ^ $_key; } } else { @@ -1879,7 +2358,7 @@ class Crypt_Base $_xor = $in; $_buffer["xor"].= $_xor; } - $_key = $self->_stringShift($_buffer["xor"], '.$block_size.'); + $_key = $self->_string_shift($_buffer["xor"], '.$block_size.'); $_plaintext.= $_block ^ $_key; } } else { @@ -1900,7 +2379,7 @@ class Crypt_Base return $_plaintext; '; break; - case CRYPT_MODE_STREAM: + case self::MODE_STREAM: $encrypt = $init_encrypt . ' $_ciphertext = ""; '.$encrypt_block.' @@ -1912,11 +2391,10 @@ class Crypt_Base return $_plaintext; '; break; - // case CRYPT_MODE_CBC: + // case self::MODE_CBC: default: $encrypt = $init_encrypt . ' $_ciphertext = ""; - $_text = $self->_pad($_text); $_plaintext_len = strlen($_text); $in = $self->encryptIV; @@ -1974,11 +2452,46 @@ class Crypt_Base * for which $mode the lambda function was created. * * @access private - * @return &Array + * @return Array &$functions */ function &_getLambdaFunctions() { static $functions = array(); return $functions; } + + /** + * Generates a digest from $bytes + * + * @see _setupInlineCrypt() + * @access private + * @param $bytes + * @return String + */ + function _hashInlineCryptFunction($bytes) + { + if (!isset(self::$WHIRLPOOL_AVAILABLE)) { + self::$WHIRLPOOL_AVAILABLE = extension_loaded('hash') && in_array('whirlpool', hash_algos()); + } + + $result = ''; + $hash = $bytes; + + switch (true) { + case self::$WHIRLPOOL_AVAILABLE: + foreach (str_split($bytes, 64) as $t) { + $hash = hash('whirlpool', $hash, true); + $result .= $t ^ $hash; + } + return $result . hash('whirlpool', $hash, true); + default: + $len = strlen($bytes); + for ($i = 0; $i < $len; $i+=20) { + $t = substr($bytes, $i, 20); + $hash = pack('H*', sha1($hash)); + $result .= $t ^ $hash; + } + return $result . pack('H*', sha1($hash)); + } + } } diff --git a/libraries/phpseclib/Crypt/Random.php b/libraries/phpseclib/Crypt/Random.php index 0277393131..9fb1d15bb5 100644 --- a/libraries/phpseclib/Crypt/Random.php +++ b/libraries/phpseclib/Crypt/Random.php @@ -3,54 +3,44 @@ /** * Random Number Generator * - * PHP versions 4 and 5 + * PHP version 5 * * Here's a short example of how to use this library: * * * * - * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - * * @category Crypt - * @package Crypt_Random + * @package Random * @author Jim Wigginton - * @copyright MMVII Jim Wigginton + * @copyright 2007 Jim Wigginton * @license http://www.opensource.org/licenses/mit-license.html MIT License * @link http://phpseclib.sourceforge.net */ -// laravel is a PHP framework that utilizes phpseclib. laravel workbenches may, independently, -// have phpseclib as a requirement as well. if you're developing such a program you may encounter -// a "Cannot redeclare crypt_random_string()" error. -if (!function_exists('crypt_random_string')) { - /** - * "Is Windows" test - * - * @access private - */ - define('CRYPT_RANDOM_IS_WINDOWS', strtoupper(substr(PHP_OS, 0, 3)) === 'WIN'); +namespace phpseclib\Crypt; +use phpseclib\Crypt\AES; +use phpseclib\Crypt\Base; +use phpseclib\Crypt\Blowfish; +use phpseclib\Crypt\DES; +use phpseclib\Crypt\RC4; +use phpseclib\Crypt\TripleDES; +use phpseclib\Crypt\Twofish; + +/** + * Pure-PHP Random Number Generator + * + * @package Random + * @author Jim Wigginton + * @access public + */ +class Random +{ /** * Generate a random string. * @@ -60,11 +50,10 @@ if (!function_exists('crypt_random_string')) { * * @param Integer $length * @return String - * @access public */ - function crypt_random_string($length) + public static function string($length) { - if (CRYPT_RANDOM_IS_WINDOWS) { + if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') { // method 1. prior to PHP 5.3 this would call rand() on windows hence the function_exists('class_alias') call. // ie. class_alias is a function that was introduced in PHP 5.3 if (function_exists('mcrypt_create_iv') && function_exists('class_alias')) { @@ -120,7 +109,7 @@ if (!function_exists('crypt_random_string')) { // 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 + // 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. @@ -168,9 +157,9 @@ if (!function_exists('crypt_random_string')) { 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); + if ($_OLD_SESSION !== false) { + $_SESSION = $_OLD_SESSION; + unset($_OLD_SESSION); } else { unset($_SESSION); } @@ -191,21 +180,27 @@ if (!function_exists('crypt_random_string')) { // // http://en.wikipedia.org/wiki/Cryptographically_secure_pseudorandom_number_generator#Designs_based_on_cryptographic_primitives switch (true) { - case class_exists('Crypt_AES'): - $crypto = new Crypt_AES(CRYPT_AES_MODE_CTR); + case class_exists('\phpseclib\Crypt\AES'): + $crypto = new AES(Base::MODE_CTR); break; - case class_exists('Crypt_TripleDES'): - $crypto = new Crypt_TripleDES(CRYPT_DES_MODE_CTR); + case class_exists('\phpseclib\Crypt\Twofish'): + $crypto = new Twofish(Base::MODE_CTR); break; - case class_exists('Crypt_DES'): - $crypto = new Crypt_DES(CRYPT_DES_MODE_CTR); + case class_exists('\phpseclib\Crypt\Blowfish'): + $crypto = new Blowfish(Base::MODE_CTR); break; - case class_exists('Crypt_RC4'): - $crypto = new Crypt_RC4(); + case class_exists('\phpseclib\Crypt\TripleDES'): + $crypto = new TripleDES(Base::MODE_CTR); + break; + case class_exists('\phpseclib\Crypt\DES'): + $crypto = new DES(Base::MODE_CTR); + break; + case class_exists('\phpseclib\Crypt\RC4'): + $crypto = new RC4(); break; default: - $crypto = $seed; - return crypt_random_string($length); + user_error(__CLASS__ . ' requires at least one symmetric cipher be loaded'); + return false; } $crypto->setKey($key); @@ -213,37 +208,21 @@ if (!function_exists('crypt_random_string')) { $crypto->enableContinuousBuffer(); } - if (is_string($crypto)) { - // 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") - // - // ANSI X9.31 recommends ciphers be used and phpseclib does use them if they're available (see - // later on in the code) but if they're not we'll use sha1 - $result = ''; - while (strlen($result) < $length) { // each loop adds 20 bytes - // microtime() isn't packed as "densely" as it could be but then neither is that the idea. - // the idea is simply to ensure that each "block" has a unique element to it. - $i = pack('H*', sha1(microtime())); - $r = pack('H*', sha1($i ^ $v)); - $v = pack('H*', sha1($r ^ $i)); - $result.= $r; - } - return substr($result, 0, $length); - } - //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()); - $r = $crypto->encrypt($i ^ $v); - $v = $crypto->encrypt($r ^ $i); + $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); diff --git a/libraries/phpseclib/Crypt/Rijndael.php b/libraries/phpseclib/Crypt/Rijndael.php index 821547df9b..90c75d8365 100644 --- a/libraries/phpseclib/Crypt/Rijndael.php +++ b/libraries/phpseclib/Crypt/Rijndael.php @@ -5,13 +5,13 @@ * * Uses mcrypt, if available/possible, and an internal implementation, otherwise. * - * PHP versions 4 and 5 + * PHP version 5 * - * If {@link Crypt_Rijndael::setBlockLength() setBlockLength()} isn't called, it'll be assumed to be 128 bits. If - * {@link Crypt_Rijndael::setKeyLength() setKeyLength()} isn't called, it'll be calculated from - * {@link Crypt_Rijndael::setKey() setKey()}. ie. if the key is 128-bits, the key length will be 128-bits. If it's + * If {@link \phpseclib\Crypt\Rijndael::setBlockLength() setBlockLength()} isn't called, it'll be assumed to be 128 bits. If + * {@link \phpseclib\Crypt\Rijndael::setKeyLength() setKeyLength()} isn't called, it'll be calculated from + * {@link \phpseclib\Crypt\Rijndael::setKey() setKey()}. ie. if the key is 128-bits, the key length will be 128-bits. If it's * 136-bits it'll be null-padded to 192-bits and 192 bits will be the key length until - * {@link Crypt_Rijndael::setKey() setKey()} is called, again, at which point, it'll be recalculated. + * {@link \phpseclib\Crypt\Rijndael::setKey() setKey()} is called, again, at which point, it'll be recalculated. * * Not all Rijndael implementations may support 160-bits or 224-bits as the block length / key length. mcrypt, for example, * does not. AES, itself, only supports block lengths of 128 and key lengths of 128, 192, and 256. @@ -28,9 +28,9 @@ * Here's a short example of how to use this library: * * setKey('abcdefghijklmnop'); * @@ -44,133 +44,48 @@ * ?> * * - * LICENSE: Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - * * @category Crypt - * @package Crypt_Rijndael + * @package Rijndael * @author Jim Wigginton - * @copyright MMVIII Jim Wigginton + * @copyright 2008 Jim Wigginton * @license http://www.opensource.org/licenses/mit-license.html MIT License * @link http://phpseclib.sourceforge.net */ -/** - * Include Crypt_Base - * - * Base cipher class - */ -if (!class_exists('Crypt_Base')) { - include_once 'Base.php'; -} +namespace phpseclib\Crypt; -/**#@+ - * @access public - * @see Crypt_Rijndael::encrypt() - * @see Crypt_Rijndael::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 - */ -define('CRYPT_RIJNDAEL_MODE_CTR', CRYPT_MODE_CTR); -/** - * Encrypt / decrypt using the Electronic Code Book mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Electronic_codebook_.28ECB.29 - */ -define('CRYPT_RIJNDAEL_MODE_ECB', CRYPT_MODE_ECB); -/** - * Encrypt / decrypt using the Code Book Chaining mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Cipher-block_chaining_.28CBC.29 - */ -define('CRYPT_RIJNDAEL_MODE_CBC', CRYPT_MODE_CBC); -/** - * Encrypt / decrypt using the Cipher Feedback mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Cipher_feedback_.28CFB.29 - */ -define('CRYPT_RIJNDAEL_MODE_CFB', CRYPT_MODE_CFB); -/** - * Encrypt / decrypt using the Cipher Feedback mode. - * - * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Output_feedback_.28OFB.29 - */ -define('CRYPT_RIJNDAEL_MODE_OFB', CRYPT_MODE_OFB); -/**#@-*/ - -/**#@+ - * @access private - * @see Crypt_Rijndael::Crypt_Rijndael() - */ -/** - * Toggles the internal implementation - */ -define('CRYPT_RIJNDAEL_MODE_INTERNAL', CRYPT_MODE_INTERNAL); -/** - * Toggles the mcrypt implementation - */ -define('CRYPT_RIJNDAEL_MODE_MCRYPT', CRYPT_MODE_MCRYPT); -/**#@-*/ +use phpseclib\Crypt\Base; /** * Pure-PHP implementation of Rijndael. * - * @package Crypt_Rijndael + * @package Rijndael * @author Jim Wigginton * @access public */ -class Crypt_Rijndael extends Crypt_Base +class Rijndael extends Base { /** * The default password key_size used by setPassword() * - * @see Crypt_Base::password_key_size - * @see Crypt_Base::setPassword() + * @see \phpseclib\Crypt\Base::password_key_size + * @see \phpseclib\Crypt\Base::setPassword() * @var Integer * @access private */ var $password_key_size = 16; - /** - * The namespace used by the cipher for its constants. - * - * @see Crypt_Base::const_namespace - * @var String - * @access private - */ - var $const_namespace = 'RIJNDAEL'; - /** * The mcrypt specific name of the cipher * * Mcrypt is useable for 128/192/256-bit $block_size/$key_size. For 160/224 not. - * Crypt_Rijndael determines automatically whether mcrypt is useable + * \phpseclib\Crypt\Rijndael determines automatically whether mcrypt is useable * or not for the current $block_size/$key_size. * In case of, $cipher_name_mcrypt will be set dynamically at run time accordingly. * - * @see Crypt_Base::cipher_name_mcrypt - * @see Crypt_Base::engine - * @see _setupEngine() + * @see \phpseclib\Crypt\Base::cipher_name_mcrypt + * @see \phpseclib\Crypt\Base::engine + * @see isValidEngine() * @var String * @access private */ @@ -179,8 +94,8 @@ class Crypt_Rijndael extends Crypt_Base /** * The default salt used by setPassword() * - * @see Crypt_Base::password_default_salt - * @see Crypt_Base::setPassword() + * @see \phpseclib\Crypt\Base::password_default_salt + * @see \phpseclib\Crypt\Base::setPassword() * @var String * @access private */ @@ -223,7 +138,6 @@ class Crypt_Rijndael extends Crypt_Base * 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. - * */ var $Nb = 4; @@ -275,406 +189,6 @@ class Crypt_Rijndael extends Crypt_Base */ var $kl; - /** - * Precomputed mixColumns table - * - * 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. - * - * @see Crypt_Rijndael:_encryptBlock() - * @see Crypt_Rijndael:_decryptBlock() - * @var Array - * @access private - */ - var $t0 = array( - 0xC66363A5, 0xF87C7C84, 0xEE777799, 0xF67B7B8D, 0xFFF2F20D, 0xD66B6BBD, 0xDE6F6FB1, 0x91C5C554, - 0x60303050, 0x02010103, 0xCE6767A9, 0x562B2B7D, 0xE7FEFE19, 0xB5D7D762, 0x4DABABE6, 0xEC76769A, - 0x8FCACA45, 0x1F82829D, 0x89C9C940, 0xFA7D7D87, 0xEFFAFA15, 0xB25959EB, 0x8E4747C9, 0xFBF0F00B, - 0x41ADADEC, 0xB3D4D467, 0x5FA2A2FD, 0x45AFAFEA, 0x239C9CBF, 0x53A4A4F7, 0xE4727296, 0x9BC0C05B, - 0x75B7B7C2, 0xE1FDFD1C, 0x3D9393AE, 0x4C26266A, 0x6C36365A, 0x7E3F3F41, 0xF5F7F702, 0x83CCCC4F, - 0x6834345C, 0x51A5A5F4, 0xD1E5E534, 0xF9F1F108, 0xE2717193, 0xABD8D873, 0x62313153, 0x2A15153F, - 0x0804040C, 0x95C7C752, 0x46232365, 0x9DC3C35E, 0x30181828, 0x379696A1, 0x0A05050F, 0x2F9A9AB5, - 0x0E070709, 0x24121236, 0x1B80809B, 0xDFE2E23D, 0xCDEBEB26, 0x4E272769, 0x7FB2B2CD, 0xEA75759F, - 0x1209091B, 0x1D83839E, 0x582C2C74, 0x341A1A2E, 0x361B1B2D, 0xDC6E6EB2, 0xB45A5AEE, 0x5BA0A0FB, - 0xA45252F6, 0x763B3B4D, 0xB7D6D661, 0x7DB3B3CE, 0x5229297B, 0xDDE3E33E, 0x5E2F2F71, 0x13848497, - 0xA65353F5, 0xB9D1D168, 0x00000000, 0xC1EDED2C, 0x40202060, 0xE3FCFC1F, 0x79B1B1C8, 0xB65B5BED, - 0xD46A6ABE, 0x8DCBCB46, 0x67BEBED9, 0x7239394B, 0x944A4ADE, 0x984C4CD4, 0xB05858E8, 0x85CFCF4A, - 0xBBD0D06B, 0xC5EFEF2A, 0x4FAAAAE5, 0xEDFBFB16, 0x864343C5, 0x9A4D4DD7, 0x66333355, 0x11858594, - 0x8A4545CF, 0xE9F9F910, 0x04020206, 0xFE7F7F81, 0xA05050F0, 0x783C3C44, 0x259F9FBA, 0x4BA8A8E3, - 0xA25151F3, 0x5DA3A3FE, 0x804040C0, 0x058F8F8A, 0x3F9292AD, 0x219D9DBC, 0x70383848, 0xF1F5F504, - 0x63BCBCDF, 0x77B6B6C1, 0xAFDADA75, 0x42212163, 0x20101030, 0xE5FFFF1A, 0xFDF3F30E, 0xBFD2D26D, - 0x81CDCD4C, 0x180C0C14, 0x26131335, 0xC3ECEC2F, 0xBE5F5FE1, 0x359797A2, 0x884444CC, 0x2E171739, - 0x93C4C457, 0x55A7A7F2, 0xFC7E7E82, 0x7A3D3D47, 0xC86464AC, 0xBA5D5DE7, 0x3219192B, 0xE6737395, - 0xC06060A0, 0x19818198, 0x9E4F4FD1, 0xA3DCDC7F, 0x44222266, 0x542A2A7E, 0x3B9090AB, 0x0B888883, - 0x8C4646CA, 0xC7EEEE29, 0x6BB8B8D3, 0x2814143C, 0xA7DEDE79, 0xBC5E5EE2, 0x160B0B1D, 0xADDBDB76, - 0xDBE0E03B, 0x64323256, 0x743A3A4E, 0x140A0A1E, 0x924949DB, 0x0C06060A, 0x4824246C, 0xB85C5CE4, - 0x9FC2C25D, 0xBDD3D36E, 0x43ACACEF, 0xC46262A6, 0x399191A8, 0x319595A4, 0xD3E4E437, 0xF279798B, - 0xD5E7E732, 0x8BC8C843, 0x6E373759, 0xDA6D6DB7, 0x018D8D8C, 0xB1D5D564, 0x9C4E4ED2, 0x49A9A9E0, - 0xD86C6CB4, 0xAC5656FA, 0xF3F4F407, 0xCFEAEA25, 0xCA6565AF, 0xF47A7A8E, 0x47AEAEE9, 0x10080818, - 0x6FBABAD5, 0xF0787888, 0x4A25256F, 0x5C2E2E72, 0x381C1C24, 0x57A6A6F1, 0x73B4B4C7, 0x97C6C651, - 0xCBE8E823, 0xA1DDDD7C, 0xE874749C, 0x3E1F1F21, 0x964B4BDD, 0x61BDBDDC, 0x0D8B8B86, 0x0F8A8A85, - 0xE0707090, 0x7C3E3E42, 0x71B5B5C4, 0xCC6666AA, 0x904848D8, 0x06030305, 0xF7F6F601, 0x1C0E0E12, - 0xC26161A3, 0x6A35355F, 0xAE5757F9, 0x69B9B9D0, 0x17868691, 0x99C1C158, 0x3A1D1D27, 0x279E9EB9, - 0xD9E1E138, 0xEBF8F813, 0x2B9898B3, 0x22111133, 0xD26969BB, 0xA9D9D970, 0x078E8E89, 0x339494A7, - 0x2D9B9BB6, 0x3C1E1E22, 0x15878792, 0xC9E9E920, 0x87CECE49, 0xAA5555FF, 0x50282878, 0xA5DFDF7A, - 0x038C8C8F, 0x59A1A1F8, 0x09898980, 0x1A0D0D17, 0x65BFBFDA, 0xD7E6E631, 0x844242C6, 0xD06868B8, - 0x824141C3, 0x299999B0, 0x5A2D2D77, 0x1E0F0F11, 0x7BB0B0CB, 0xA85454FC, 0x6DBBBBD6, 0x2C16163A - ); - - /** - * Precomputed mixColumns table - * - * @see Crypt_Rijndael:_encryptBlock() - * @see Crypt_Rijndael:_decryptBlock() - * @var Array - * @access private - */ - var $t1 = array( - 0xA5C66363, 0x84F87C7C, 0x99EE7777, 0x8DF67B7B, 0x0DFFF2F2, 0xBDD66B6B, 0xB1DE6F6F, 0x5491C5C5, - 0x50603030, 0x03020101, 0xA9CE6767, 0x7D562B2B, 0x19E7FEFE, 0x62B5D7D7, 0xE64DABAB, 0x9AEC7676, - 0x458FCACA, 0x9D1F8282, 0x4089C9C9, 0x87FA7D7D, 0x15EFFAFA, 0xEBB25959, 0xC98E4747, 0x0BFBF0F0, - 0xEC41ADAD, 0x67B3D4D4, 0xFD5FA2A2, 0xEA45AFAF, 0xBF239C9C, 0xF753A4A4, 0x96E47272, 0x5B9BC0C0, - 0xC275B7B7, 0x1CE1FDFD, 0xAE3D9393, 0x6A4C2626, 0x5A6C3636, 0x417E3F3F, 0x02F5F7F7, 0x4F83CCCC, - 0x5C683434, 0xF451A5A5, 0x34D1E5E5, 0x08F9F1F1, 0x93E27171, 0x73ABD8D8, 0x53623131, 0x3F2A1515, - 0x0C080404, 0x5295C7C7, 0x65462323, 0x5E9DC3C3, 0x28301818, 0xA1379696, 0x0F0A0505, 0xB52F9A9A, - 0x090E0707, 0x36241212, 0x9B1B8080, 0x3DDFE2E2, 0x26CDEBEB, 0x694E2727, 0xCD7FB2B2, 0x9FEA7575, - 0x1B120909, 0x9E1D8383, 0x74582C2C, 0x2E341A1A, 0x2D361B1B, 0xB2DC6E6E, 0xEEB45A5A, 0xFB5BA0A0, - 0xF6A45252, 0x4D763B3B, 0x61B7D6D6, 0xCE7DB3B3, 0x7B522929, 0x3EDDE3E3, 0x715E2F2F, 0x97138484, - 0xF5A65353, 0x68B9D1D1, 0x00000000, 0x2CC1EDED, 0x60402020, 0x1FE3FCFC, 0xC879B1B1, 0xEDB65B5B, - 0xBED46A6A, 0x468DCBCB, 0xD967BEBE, 0x4B723939, 0xDE944A4A, 0xD4984C4C, 0xE8B05858, 0x4A85CFCF, - 0x6BBBD0D0, 0x2AC5EFEF, 0xE54FAAAA, 0x16EDFBFB, 0xC5864343, 0xD79A4D4D, 0x55663333, 0x94118585, - 0xCF8A4545, 0x10E9F9F9, 0x06040202, 0x81FE7F7F, 0xF0A05050, 0x44783C3C, 0xBA259F9F, 0xE34BA8A8, - 0xF3A25151, 0xFE5DA3A3, 0xC0804040, 0x8A058F8F, 0xAD3F9292, 0xBC219D9D, 0x48703838, 0x04F1F5F5, - 0xDF63BCBC, 0xC177B6B6, 0x75AFDADA, 0x63422121, 0x30201010, 0x1AE5FFFF, 0x0EFDF3F3, 0x6DBFD2D2, - 0x4C81CDCD, 0x14180C0C, 0x35261313, 0x2FC3ECEC, 0xE1BE5F5F, 0xA2359797, 0xCC884444, 0x392E1717, - 0x5793C4C4, 0xF255A7A7, 0x82FC7E7E, 0x477A3D3D, 0xACC86464, 0xE7BA5D5D, 0x2B321919, 0x95E67373, - 0xA0C06060, 0x98198181, 0xD19E4F4F, 0x7FA3DCDC, 0x66442222, 0x7E542A2A, 0xAB3B9090, 0x830B8888, - 0xCA8C4646, 0x29C7EEEE, 0xD36BB8B8, 0x3C281414, 0x79A7DEDE, 0xE2BC5E5E, 0x1D160B0B, 0x76ADDBDB, - 0x3BDBE0E0, 0x56643232, 0x4E743A3A, 0x1E140A0A, 0xDB924949, 0x0A0C0606, 0x6C482424, 0xE4B85C5C, - 0x5D9FC2C2, 0x6EBDD3D3, 0xEF43ACAC, 0xA6C46262, 0xA8399191, 0xA4319595, 0x37D3E4E4, 0x8BF27979, - 0x32D5E7E7, 0x438BC8C8, 0x596E3737, 0xB7DA6D6D, 0x8C018D8D, 0x64B1D5D5, 0xD29C4E4E, 0xE049A9A9, - 0xB4D86C6C, 0xFAAC5656, 0x07F3F4F4, 0x25CFEAEA, 0xAFCA6565, 0x8EF47A7A, 0xE947AEAE, 0x18100808, - 0xD56FBABA, 0x88F07878, 0x6F4A2525, 0x725C2E2E, 0x24381C1C, 0xF157A6A6, 0xC773B4B4, 0x5197C6C6, - 0x23CBE8E8, 0x7CA1DDDD, 0x9CE87474, 0x213E1F1F, 0xDD964B4B, 0xDC61BDBD, 0x860D8B8B, 0x850F8A8A, - 0x90E07070, 0x427C3E3E, 0xC471B5B5, 0xAACC6666, 0xD8904848, 0x05060303, 0x01F7F6F6, 0x121C0E0E, - 0xA3C26161, 0x5F6A3535, 0xF9AE5757, 0xD069B9B9, 0x91178686, 0x5899C1C1, 0x273A1D1D, 0xB9279E9E, - 0x38D9E1E1, 0x13EBF8F8, 0xB32B9898, 0x33221111, 0xBBD26969, 0x70A9D9D9, 0x89078E8E, 0xA7339494, - 0xB62D9B9B, 0x223C1E1E, 0x92158787, 0x20C9E9E9, 0x4987CECE, 0xFFAA5555, 0x78502828, 0x7AA5DFDF, - 0x8F038C8C, 0xF859A1A1, 0x80098989, 0x171A0D0D, 0xDA65BFBF, 0x31D7E6E6, 0xC6844242, 0xB8D06868, - 0xC3824141, 0xB0299999, 0x775A2D2D, 0x111E0F0F, 0xCB7BB0B0, 0xFCA85454, 0xD66DBBBB, 0x3A2C1616 - ); - - /** - * Precomputed mixColumns table - * - * @see Crypt_Rijndael:_encryptBlock() - * @see Crypt_Rijndael:_decryptBlock() - * @var Array - * @access private - */ - var $t2 = array( - 0x63A5C663, 0x7C84F87C, 0x7799EE77, 0x7B8DF67B, 0xF20DFFF2, 0x6BBDD66B, 0x6FB1DE6F, 0xC55491C5, - 0x30506030, 0x01030201, 0x67A9CE67, 0x2B7D562B, 0xFE19E7FE, 0xD762B5D7, 0xABE64DAB, 0x769AEC76, - 0xCA458FCA, 0x829D1F82, 0xC94089C9, 0x7D87FA7D, 0xFA15EFFA, 0x59EBB259, 0x47C98E47, 0xF00BFBF0, - 0xADEC41AD, 0xD467B3D4, 0xA2FD5FA2, 0xAFEA45AF, 0x9CBF239C, 0xA4F753A4, 0x7296E472, 0xC05B9BC0, - 0xB7C275B7, 0xFD1CE1FD, 0x93AE3D93, 0x266A4C26, 0x365A6C36, 0x3F417E3F, 0xF702F5F7, 0xCC4F83CC, - 0x345C6834, 0xA5F451A5, 0xE534D1E5, 0xF108F9F1, 0x7193E271, 0xD873ABD8, 0x31536231, 0x153F2A15, - 0x040C0804, 0xC75295C7, 0x23654623, 0xC35E9DC3, 0x18283018, 0x96A13796, 0x050F0A05, 0x9AB52F9A, - 0x07090E07, 0x12362412, 0x809B1B80, 0xE23DDFE2, 0xEB26CDEB, 0x27694E27, 0xB2CD7FB2, 0x759FEA75, - 0x091B1209, 0x839E1D83, 0x2C74582C, 0x1A2E341A, 0x1B2D361B, 0x6EB2DC6E, 0x5AEEB45A, 0xA0FB5BA0, - 0x52F6A452, 0x3B4D763B, 0xD661B7D6, 0xB3CE7DB3, 0x297B5229, 0xE33EDDE3, 0x2F715E2F, 0x84971384, - 0x53F5A653, 0xD168B9D1, 0x00000000, 0xED2CC1ED, 0x20604020, 0xFC1FE3FC, 0xB1C879B1, 0x5BEDB65B, - 0x6ABED46A, 0xCB468DCB, 0xBED967BE, 0x394B7239, 0x4ADE944A, 0x4CD4984C, 0x58E8B058, 0xCF4A85CF, - 0xD06BBBD0, 0xEF2AC5EF, 0xAAE54FAA, 0xFB16EDFB, 0x43C58643, 0x4DD79A4D, 0x33556633, 0x85941185, - 0x45CF8A45, 0xF910E9F9, 0x02060402, 0x7F81FE7F, 0x50F0A050, 0x3C44783C, 0x9FBA259F, 0xA8E34BA8, - 0x51F3A251, 0xA3FE5DA3, 0x40C08040, 0x8F8A058F, 0x92AD3F92, 0x9DBC219D, 0x38487038, 0xF504F1F5, - 0xBCDF63BC, 0xB6C177B6, 0xDA75AFDA, 0x21634221, 0x10302010, 0xFF1AE5FF, 0xF30EFDF3, 0xD26DBFD2, - 0xCD4C81CD, 0x0C14180C, 0x13352613, 0xEC2FC3EC, 0x5FE1BE5F, 0x97A23597, 0x44CC8844, 0x17392E17, - 0xC45793C4, 0xA7F255A7, 0x7E82FC7E, 0x3D477A3D, 0x64ACC864, 0x5DE7BA5D, 0x192B3219, 0x7395E673, - 0x60A0C060, 0x81981981, 0x4FD19E4F, 0xDC7FA3DC, 0x22664422, 0x2A7E542A, 0x90AB3B90, 0x88830B88, - 0x46CA8C46, 0xEE29C7EE, 0xB8D36BB8, 0x143C2814, 0xDE79A7DE, 0x5EE2BC5E, 0x0B1D160B, 0xDB76ADDB, - 0xE03BDBE0, 0x32566432, 0x3A4E743A, 0x0A1E140A, 0x49DB9249, 0x060A0C06, 0x246C4824, 0x5CE4B85C, - 0xC25D9FC2, 0xD36EBDD3, 0xACEF43AC, 0x62A6C462, 0x91A83991, 0x95A43195, 0xE437D3E4, 0x798BF279, - 0xE732D5E7, 0xC8438BC8, 0x37596E37, 0x6DB7DA6D, 0x8D8C018D, 0xD564B1D5, 0x4ED29C4E, 0xA9E049A9, - 0x6CB4D86C, 0x56FAAC56, 0xF407F3F4, 0xEA25CFEA, 0x65AFCA65, 0x7A8EF47A, 0xAEE947AE, 0x08181008, - 0xBAD56FBA, 0x7888F078, 0x256F4A25, 0x2E725C2E, 0x1C24381C, 0xA6F157A6, 0xB4C773B4, 0xC65197C6, - 0xE823CBE8, 0xDD7CA1DD, 0x749CE874, 0x1F213E1F, 0x4BDD964B, 0xBDDC61BD, 0x8B860D8B, 0x8A850F8A, - 0x7090E070, 0x3E427C3E, 0xB5C471B5, 0x66AACC66, 0x48D89048, 0x03050603, 0xF601F7F6, 0x0E121C0E, - 0x61A3C261, 0x355F6A35, 0x57F9AE57, 0xB9D069B9, 0x86911786, 0xC15899C1, 0x1D273A1D, 0x9EB9279E, - 0xE138D9E1, 0xF813EBF8, 0x98B32B98, 0x11332211, 0x69BBD269, 0xD970A9D9, 0x8E89078E, 0x94A73394, - 0x9BB62D9B, 0x1E223C1E, 0x87921587, 0xE920C9E9, 0xCE4987CE, 0x55FFAA55, 0x28785028, 0xDF7AA5DF, - 0x8C8F038C, 0xA1F859A1, 0x89800989, 0x0D171A0D, 0xBFDA65BF, 0xE631D7E6, 0x42C68442, 0x68B8D068, - 0x41C38241, 0x99B02999, 0x2D775A2D, 0x0F111E0F, 0xB0CB7BB0, 0x54FCA854, 0xBBD66DBB, 0x163A2C16 - ); - - /** - * Precomputed mixColumns table - * - * @see Crypt_Rijndael:_encryptBlock() - * @see Crypt_Rijndael:_decryptBlock() - * @var Array - * @access private - */ - var $t3 = array( - 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 - ); - - /** - * Precomputed invMixColumns table - * - * @see Crypt_Rijndael:_encryptBlock() - * @see Crypt_Rijndael:_decryptBlock() - * @var Array - * @access private - */ - var $dt0 = array( - 0x51F4A750, 0x7E416553, 0x1A17A4C3, 0x3A275E96, 0x3BAB6BCB, 0x1F9D45F1, 0xACFA58AB, 0x4BE30393, - 0x2030FA55, 0xAD766DF6, 0x88CC7691, 0xF5024C25, 0x4FE5D7FC, 0xC52ACBD7, 0x26354480, 0xB562A38F, - 0xDEB15A49, 0x25BA1B67, 0x45EA0E98, 0x5DFEC0E1, 0xC32F7502, 0x814CF012, 0x8D4697A3, 0x6BD3F9C6, - 0x038F5FE7, 0x15929C95, 0xBF6D7AEB, 0x955259DA, 0xD4BE832D, 0x587421D3, 0x49E06929, 0x8EC9C844, - 0x75C2896A, 0xF48E7978, 0x99583E6B, 0x27B971DD, 0xBEE14FB6, 0xF088AD17, 0xC920AC66, 0x7DCE3AB4, - 0x63DF4A18, 0xE51A3182, 0x97513360, 0x62537F45, 0xB16477E0, 0xBB6BAE84, 0xFE81A01C, 0xF9082B94, - 0x70486858, 0x8F45FD19, 0x94DE6C87, 0x527BF8B7, 0xAB73D323, 0x724B02E2, 0xE31F8F57, 0x6655AB2A, - 0xB2EB2807, 0x2FB5C203, 0x86C57B9A, 0xD33708A5, 0x302887F2, 0x23BFA5B2, 0x02036ABA, 0xED16825C, - 0x8ACF1C2B, 0xA779B492, 0xF307F2F0, 0x4E69E2A1, 0x65DAF4CD, 0x0605BED5, 0xD134621F, 0xC4A6FE8A, - 0x342E539D, 0xA2F355A0, 0x058AE132, 0xA4F6EB75, 0x0B83EC39, 0x4060EFAA, 0x5E719F06, 0xBD6E1051, - 0x3E218AF9, 0x96DD063D, 0xDD3E05AE, 0x4DE6BD46, 0x91548DB5, 0x71C45D05, 0x0406D46F, 0x605015FF, - 0x1998FB24, 0xD6BDE997, 0x894043CC, 0x67D99E77, 0xB0E842BD, 0x07898B88, 0xE7195B38, 0x79C8EEDB, - 0xA17C0A47, 0x7C420FE9, 0xF8841EC9, 0x00000000, 0x09808683, 0x322BED48, 0x1E1170AC, 0x6C5A724E, - 0xFD0EFFFB, 0x0F853856, 0x3DAED51E, 0x362D3927, 0x0A0FD964, 0x685CA621, 0x9B5B54D1, 0x24362E3A, - 0x0C0A67B1, 0x9357E70F, 0xB4EE96D2, 0x1B9B919E, 0x80C0C54F, 0x61DC20A2, 0x5A774B69, 0x1C121A16, - 0xE293BA0A, 0xC0A02AE5, 0x3C22E043, 0x121B171D, 0x0E090D0B, 0xF28BC7AD, 0x2DB6A8B9, 0x141EA9C8, - 0x57F11985, 0xAF75074C, 0xEE99DDBB, 0xA37F60FD, 0xF701269F, 0x5C72F5BC, 0x44663BC5, 0x5BFB7E34, - 0x8B432976, 0xCB23C6DC, 0xB6EDFC68, 0xB8E4F163, 0xD731DCCA, 0x42638510, 0x13972240, 0x84C61120, - 0x854A247D, 0xD2BB3DF8, 0xAEF93211, 0xC729A16D, 0x1D9E2F4B, 0xDCB230F3, 0x0D8652EC, 0x77C1E3D0, - 0x2BB3166C, 0xA970B999, 0x119448FA, 0x47E96422, 0xA8FC8CC4, 0xA0F03F1A, 0x567D2CD8, 0x223390EF, - 0x87494EC7, 0xD938D1C1, 0x8CCAA2FE, 0x98D40B36, 0xA6F581CF, 0xA57ADE28, 0xDAB78E26, 0x3FADBFA4, - 0x2C3A9DE4, 0x5078920D, 0x6A5FCC9B, 0x547E4662, 0xF68D13C2, 0x90D8B8E8, 0x2E39F75E, 0x82C3AFF5, - 0x9F5D80BE, 0x69D0937C, 0x6FD52DA9, 0xCF2512B3, 0xC8AC993B, 0x10187DA7, 0xE89C636E, 0xDB3BBB7B, - 0xCD267809, 0x6E5918F4, 0xEC9AB701, 0x834F9AA8, 0xE6956E65, 0xAAFFE67E, 0x21BCCF08, 0xEF15E8E6, - 0xBAE79BD9, 0x4A6F36CE, 0xEA9F09D4, 0x29B07CD6, 0x31A4B2AF, 0x2A3F2331, 0xC6A59430, 0x35A266C0, - 0x744EBC37, 0xFC82CAA6, 0xE090D0B0, 0x33A7D815, 0xF104984A, 0x41ECDAF7, 0x7FCD500E, 0x1791F62F, - 0x764DD68D, 0x43EFB04D, 0xCCAA4D54, 0xE49604DF, 0x9ED1B5E3, 0x4C6A881B, 0xC12C1FB8, 0x4665517F, - 0x9D5EEA04, 0x018C355D, 0xFA877473, 0xFB0B412E, 0xB3671D5A, 0x92DBD252, 0xE9105633, 0x6DD64713, - 0x9AD7618C, 0x37A10C7A, 0x59F8148E, 0xEB133C89, 0xCEA927EE, 0xB761C935, 0xE11CE5ED, 0x7A47B13C, - 0x9CD2DF59, 0x55F2733F, 0x1814CE79, 0x73C737BF, 0x53F7CDEA, 0x5FFDAA5B, 0xDF3D6F14, 0x7844DB86, - 0xCAAFF381, 0xB968C43E, 0x3824342C, 0xC2A3405F, 0x161DC372, 0xBCE2250C, 0x283C498B, 0xFF0D9541, - 0x39A80171, 0x080CB3DE, 0xD8B4E49C, 0x6456C190, 0x7BCB8461, 0xD532B670, 0x486C5C74, 0xD0B85742 - ); - - /** - * Precomputed invMixColumns table - * - * @see Crypt_Rijndael:_encryptBlock() - * @see Crypt_Rijndael:_decryptBlock() - * @var Array - * @access private - */ - var $dt1 = array( - 0x5051F4A7, 0x537E4165, 0xC31A17A4, 0x963A275E, 0xCB3BAB6B, 0xF11F9D45, 0xABACFA58, 0x934BE303, - 0x552030FA, 0xF6AD766D, 0x9188CC76, 0x25F5024C, 0xFC4FE5D7, 0xD7C52ACB, 0x80263544, 0x8FB562A3, - 0x49DEB15A, 0x6725BA1B, 0x9845EA0E, 0xE15DFEC0, 0x02C32F75, 0x12814CF0, 0xA38D4697, 0xC66BD3F9, - 0xE7038F5F, 0x9515929C, 0xEBBF6D7A, 0xDA955259, 0x2DD4BE83, 0xD3587421, 0x2949E069, 0x448EC9C8, - 0x6A75C289, 0x78F48E79, 0x6B99583E, 0xDD27B971, 0xB6BEE14F, 0x17F088AD, 0x66C920AC, 0xB47DCE3A, - 0x1863DF4A, 0x82E51A31, 0x60975133, 0x4562537F, 0xE0B16477, 0x84BB6BAE, 0x1CFE81A0, 0x94F9082B, - 0x58704868, 0x198F45FD, 0x8794DE6C, 0xB7527BF8, 0x23AB73D3, 0xE2724B02, 0x57E31F8F, 0x2A6655AB, - 0x07B2EB28, 0x032FB5C2, 0x9A86C57B, 0xA5D33708, 0xF2302887, 0xB223BFA5, 0xBA02036A, 0x5CED1682, - 0x2B8ACF1C, 0x92A779B4, 0xF0F307F2, 0xA14E69E2, 0xCD65DAF4, 0xD50605BE, 0x1FD13462, 0x8AC4A6FE, - 0x9D342E53, 0xA0A2F355, 0x32058AE1, 0x75A4F6EB, 0x390B83EC, 0xAA4060EF, 0x065E719F, 0x51BD6E10, - 0xF93E218A, 0x3D96DD06, 0xAEDD3E05, 0x464DE6BD, 0xB591548D, 0x0571C45D, 0x6F0406D4, 0xFF605015, - 0x241998FB, 0x97D6BDE9, 0xCC894043, 0x7767D99E, 0xBDB0E842, 0x8807898B, 0x38E7195B, 0xDB79C8EE, - 0x47A17C0A, 0xE97C420F, 0xC9F8841E, 0x00000000, 0x83098086, 0x48322BED, 0xAC1E1170, 0x4E6C5A72, - 0xFBFD0EFF, 0x560F8538, 0x1E3DAED5, 0x27362D39, 0x640A0FD9, 0x21685CA6, 0xD19B5B54, 0x3A24362E, - 0xB10C0A67, 0x0F9357E7, 0xD2B4EE96, 0x9E1B9B91, 0x4F80C0C5, 0xA261DC20, 0x695A774B, 0x161C121A, - 0x0AE293BA, 0xE5C0A02A, 0x433C22E0, 0x1D121B17, 0x0B0E090D, 0xADF28BC7, 0xB92DB6A8, 0xC8141EA9, - 0x8557F119, 0x4CAF7507, 0xBBEE99DD, 0xFDA37F60, 0x9FF70126, 0xBC5C72F5, 0xC544663B, 0x345BFB7E, - 0x768B4329, 0xDCCB23C6, 0x68B6EDFC, 0x63B8E4F1, 0xCAD731DC, 0x10426385, 0x40139722, 0x2084C611, - 0x7D854A24, 0xF8D2BB3D, 0x11AEF932, 0x6DC729A1, 0x4B1D9E2F, 0xF3DCB230, 0xEC0D8652, 0xD077C1E3, - 0x6C2BB316, 0x99A970B9, 0xFA119448, 0x2247E964, 0xC4A8FC8C, 0x1AA0F03F, 0xD8567D2C, 0xEF223390, - 0xC787494E, 0xC1D938D1, 0xFE8CCAA2, 0x3698D40B, 0xCFA6F581, 0x28A57ADE, 0x26DAB78E, 0xA43FADBF, - 0xE42C3A9D, 0x0D507892, 0x9B6A5FCC, 0x62547E46, 0xC2F68D13, 0xE890D8B8, 0x5E2E39F7, 0xF582C3AF, - 0xBE9F5D80, 0x7C69D093, 0xA96FD52D, 0xB3CF2512, 0x3BC8AC99, 0xA710187D, 0x6EE89C63, 0x7BDB3BBB, - 0x09CD2678, 0xF46E5918, 0x01EC9AB7, 0xA8834F9A, 0x65E6956E, 0x7EAAFFE6, 0x0821BCCF, 0xE6EF15E8, - 0xD9BAE79B, 0xCE4A6F36, 0xD4EA9F09, 0xD629B07C, 0xAF31A4B2, 0x312A3F23, 0x30C6A594, 0xC035A266, - 0x37744EBC, 0xA6FC82CA, 0xB0E090D0, 0x1533A7D8, 0x4AF10498, 0xF741ECDA, 0x0E7FCD50, 0x2F1791F6, - 0x8D764DD6, 0x4D43EFB0, 0x54CCAA4D, 0xDFE49604, 0xE39ED1B5, 0x1B4C6A88, 0xB8C12C1F, 0x7F466551, - 0x049D5EEA, 0x5D018C35, 0x73FA8774, 0x2EFB0B41, 0x5AB3671D, 0x5292DBD2, 0x33E91056, 0x136DD647, - 0x8C9AD761, 0x7A37A10C, 0x8E59F814, 0x89EB133C, 0xEECEA927, 0x35B761C9, 0xEDE11CE5, 0x3C7A47B1, - 0x599CD2DF, 0x3F55F273, 0x791814CE, 0xBF73C737, 0xEA53F7CD, 0x5B5FFDAA, 0x14DF3D6F, 0x867844DB, - 0x81CAAFF3, 0x3EB968C4, 0x2C382434, 0x5FC2A340, 0x72161DC3, 0x0CBCE225, 0x8B283C49, 0x41FF0D95, - 0x7139A801, 0xDE080CB3, 0x9CD8B4E4, 0x906456C1, 0x617BCB84, 0x70D532B6, 0x74486C5C, 0x42D0B857 - ); - - /** - * Precomputed invMixColumns table - * - * @see Crypt_Rijndael:_encryptBlock() - * @see Crypt_Rijndael:_decryptBlock() - * @var Array - * @access private - */ - var $dt2 = array( - 0xA75051F4, 0x65537E41, 0xA4C31A17, 0x5E963A27, 0x6BCB3BAB, 0x45F11F9D, 0x58ABACFA, 0x03934BE3, - 0xFA552030, 0x6DF6AD76, 0x769188CC, 0x4C25F502, 0xD7FC4FE5, 0xCBD7C52A, 0x44802635, 0xA38FB562, - 0x5A49DEB1, 0x1B6725BA, 0x0E9845EA, 0xC0E15DFE, 0x7502C32F, 0xF012814C, 0x97A38D46, 0xF9C66BD3, - 0x5FE7038F, 0x9C951592, 0x7AEBBF6D, 0x59DA9552, 0x832DD4BE, 0x21D35874, 0x692949E0, 0xC8448EC9, - 0x896A75C2, 0x7978F48E, 0x3E6B9958, 0x71DD27B9, 0x4FB6BEE1, 0xAD17F088, 0xAC66C920, 0x3AB47DCE, - 0x4A1863DF, 0x3182E51A, 0x33609751, 0x7F456253, 0x77E0B164, 0xAE84BB6B, 0xA01CFE81, 0x2B94F908, - 0x68587048, 0xFD198F45, 0x6C8794DE, 0xF8B7527B, 0xD323AB73, 0x02E2724B, 0x8F57E31F, 0xAB2A6655, - 0x2807B2EB, 0xC2032FB5, 0x7B9A86C5, 0x08A5D337, 0x87F23028, 0xA5B223BF, 0x6ABA0203, 0x825CED16, - 0x1C2B8ACF, 0xB492A779, 0xF2F0F307, 0xE2A14E69, 0xF4CD65DA, 0xBED50605, 0x621FD134, 0xFE8AC4A6, - 0x539D342E, 0x55A0A2F3, 0xE132058A, 0xEB75A4F6, 0xEC390B83, 0xEFAA4060, 0x9F065E71, 0x1051BD6E, - 0x8AF93E21, 0x063D96DD, 0x05AEDD3E, 0xBD464DE6, 0x8DB59154, 0x5D0571C4, 0xD46F0406, 0x15FF6050, - 0xFB241998, 0xE997D6BD, 0x43CC8940, 0x9E7767D9, 0x42BDB0E8, 0x8B880789, 0x5B38E719, 0xEEDB79C8, - 0x0A47A17C, 0x0FE97C42, 0x1EC9F884, 0x00000000, 0x86830980, 0xED48322B, 0x70AC1E11, 0x724E6C5A, - 0xFFFBFD0E, 0x38560F85, 0xD51E3DAE, 0x3927362D, 0xD9640A0F, 0xA621685C, 0x54D19B5B, 0x2E3A2436, - 0x67B10C0A, 0xE70F9357, 0x96D2B4EE, 0x919E1B9B, 0xC54F80C0, 0x20A261DC, 0x4B695A77, 0x1A161C12, - 0xBA0AE293, 0x2AE5C0A0, 0xE0433C22, 0x171D121B, 0x0D0B0E09, 0xC7ADF28B, 0xA8B92DB6, 0xA9C8141E, - 0x198557F1, 0x074CAF75, 0xDDBBEE99, 0x60FDA37F, 0x269FF701, 0xF5BC5C72, 0x3BC54466, 0x7E345BFB, - 0x29768B43, 0xC6DCCB23, 0xFC68B6ED, 0xF163B8E4, 0xDCCAD731, 0x85104263, 0x22401397, 0x112084C6, - 0x247D854A, 0x3DF8D2BB, 0x3211AEF9, 0xA16DC729, 0x2F4B1D9E, 0x30F3DCB2, 0x52EC0D86, 0xE3D077C1, - 0x166C2BB3, 0xB999A970, 0x48FA1194, 0x642247E9, 0x8CC4A8FC, 0x3F1AA0F0, 0x2CD8567D, 0x90EF2233, - 0x4EC78749, 0xD1C1D938, 0xA2FE8CCA, 0x0B3698D4, 0x81CFA6F5, 0xDE28A57A, 0x8E26DAB7, 0xBFA43FAD, - 0x9DE42C3A, 0x920D5078, 0xCC9B6A5F, 0x4662547E, 0x13C2F68D, 0xB8E890D8, 0xF75E2E39, 0xAFF582C3, - 0x80BE9F5D, 0x937C69D0, 0x2DA96FD5, 0x12B3CF25, 0x993BC8AC, 0x7DA71018, 0x636EE89C, 0xBB7BDB3B, - 0x7809CD26, 0x18F46E59, 0xB701EC9A, 0x9AA8834F, 0x6E65E695, 0xE67EAAFF, 0xCF0821BC, 0xE8E6EF15, - 0x9BD9BAE7, 0x36CE4A6F, 0x09D4EA9F, 0x7CD629B0, 0xB2AF31A4, 0x23312A3F, 0x9430C6A5, 0x66C035A2, - 0xBC37744E, 0xCAA6FC82, 0xD0B0E090, 0xD81533A7, 0x984AF104, 0xDAF741EC, 0x500E7FCD, 0xF62F1791, - 0xD68D764D, 0xB04D43EF, 0x4D54CCAA, 0x04DFE496, 0xB5E39ED1, 0x881B4C6A, 0x1FB8C12C, 0x517F4665, - 0xEA049D5E, 0x355D018C, 0x7473FA87, 0x412EFB0B, 0x1D5AB367, 0xD25292DB, 0x5633E910, 0x47136DD6, - 0x618C9AD7, 0x0C7A37A1, 0x148E59F8, 0x3C89EB13, 0x27EECEA9, 0xC935B761, 0xE5EDE11C, 0xB13C7A47, - 0xDF599CD2, 0x733F55F2, 0xCE791814, 0x37BF73C7, 0xCDEA53F7, 0xAA5B5FFD, 0x6F14DF3D, 0xDB867844, - 0xF381CAAF, 0xC43EB968, 0x342C3824, 0x405FC2A3, 0xC372161D, 0x250CBCE2, 0x498B283C, 0x9541FF0D, - 0x017139A8, 0xB3DE080C, 0xE49CD8B4, 0xC1906456, 0x84617BCB, 0xB670D532, 0x5C74486C, 0x5742D0B8 - ); - - /** - * Precomputed invMixColumns table - * - * @see Crypt_Rijndael:_encryptBlock() - * @see Crypt_Rijndael:_decryptBlock() - * @var Array - * @access private - */ - var $dt3 = 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 - ); - - /** - * The SubByte S-Box - * - * @see Crypt_Rijndael::_encryptBlock() - * @var Array - * @access private - */ - var $sbox = 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 - ); - - /** - * The inverse SubByte S-Box - * - * @see Crypt_Rijndael::_decryptBlock() - * @var Array - * @access private - */ - var $isbox = 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 - ); - /** * Default Constructor. * @@ -682,26 +196,21 @@ class Crypt_Rijndael extends Crypt_Base * * $mode could be: * - * - CRYPT_RIJNDAEL_MODE_ECB + * - \phpseclib\Crypt\Base::MODE_ECB * - * - CRYPT_RIJNDAEL_MODE_CBC + * - \phpseclib\Crypt\Base::MODE_CBC * - * - CRYPT_RIJNDAEL_MODE_CTR + * - \phpseclib\Crypt\Base::MODE_CTR * - * - CRYPT_RIJNDAEL_MODE_CFB + * - \phpseclib\Crypt\Base::MODE_CFB * - * - CRYPT_RIJNDAEL_MODE_OFB + * - \phpseclib\Crypt\Base::MODE_OFB * - * If not explicitly set, CRYPT_RIJNDAEL_MODE_CBC will be used. + * If not explictly set, \phpseclib\Crypt\Base::MODE_CBC will be used. * - * @see Crypt_Base::Crypt_Base() + * @see \phpseclib\Crypt\Base::Crypt_Base() * @param optional Integer $mode * @access public - */ - function Crypt_Rijndael($mode = CRYPT_RIJNDAEL_MODE_CBC) - { - parent::Crypt_Base($mode); - } /** * Sets the key. @@ -715,29 +224,33 @@ class Crypt_Rijndael extends Crypt_Base * * Note: 160/224-bit keys must explicitly set by setKeyLength(), otherwise they will be round/pad up to 192/256 bits. * - * @see Crypt_Base:setKey() + * @see \phpseclib\Crypt\Base:setKey() * @see setKeyLength() * @access public * @param String $key */ function setKey($key) { - parent::setKey($key); - if (!$this->explicit_key_length) { $length = strlen($key); switch (true) { case $length <= 16: $this->key_size = 16; break; + case $length <= 20: + $this->key_size = 20; + break; case $length <= 24: $this->key_size = 24; break; + case $length <= 28: + $this->key_size = 28; + break; default: $this->key_size = 32; } - $this->_setupEngine(); } + parent::setKey($key); } /** @@ -781,7 +294,7 @@ class Crypt_Rijndael extends Crypt_Base $this->explicit_key_length = true; $this->changed = true; - $this->_setupEngine(); + $this->_setEngine(); } /** @@ -798,76 +311,50 @@ class Crypt_Rijndael extends Crypt_Base $length >>= 5; if ($length > 8) { $length = 8; - } else if ($length < 4) { + } elseif ($length < 4) { $length = 4; } $this->Nb = $length; $this->block_size = $length << 2; $this->changed = true; - $this->_setupEngine(); + $this->_setEngine(); } /** - * Setup the fastest possible $engine + * Test for engine validity * - * Determines if the mcrypt (MODE_MCRYPT) $engine available - * and usable for the current $block_size and $key_size. + * This is mainly just a wrapper to set things up for \phpseclib\Crypt\Base::isValidEngine() * - * If not, the slower MODE_INTERNAL $engine will be set. - * - * @see setKey() - * @see setKeyLength() - * @see setBlockLength() - * @access private + * @see \phpseclib\Crypt\Base::Crypt_Base() + * @param Integer $engine + * @access public + * @return Boolean */ - function _setupEngine() + function isValidEngine($engine) { - if (constant('CRYPT_' . $this->const_namespace . '_MODE') == CRYPT_MODE_INTERNAL) { - // No mcrypt support at all for rijndael - return; - } - - // The required mcrypt module name for the current $block_size of rijndael - $cipher_name_mcrypt = 'rijndael-' . ($this->block_size << 3); - - // Determining the availibility/usability of $cipher_name_mcrypt - switch (true) { - case $this->key_size % 8: // mcrypt is not usable for 160/224-bit keys, only for 128/192/256-bit keys - case !in_array($cipher_name_mcrypt, mcrypt_list_algorithms()): // $cipher_name_mcrypt is not available for the current $block_size - $engine = CRYPT_MODE_INTERNAL; + switch ($engine) { + case self::ENGINE_OPENSSL: + if ($this->block_size != 16) { + return false; + } + $this->cipher_name_openssl_ecb = 'aes-' . ($this->key_size << 3) . '-ecb'; + $this->cipher_name_openssl = 'aes-' . ($this->key_size << 3) . '-' . $this->_openssl_translate_mode(); break; - default: - $engine = CRYPT_MODE_MCRYPT; + case self::ENGINE_MCRYPT: + $this->cipher_name_mcrypt = 'rijndael-' . ($this->block_size << 3); + if ($this->key_size % 8) { // is it a 160/224-bit key? + // mcrypt is not usable for them, only for 128/192/256-bit keys + return false; + } } - if ($this->engine == $engine && $this->cipher_name_mcrypt == $cipher_name_mcrypt) { - // allready set, so we not unnecessary close $this->enmcrypt/demcrypt/ecb - return; - } - - // Set the $engine - $this->engine = $engine; - $this->cipher_name_mcrypt = $cipher_name_mcrypt; - - if ($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); - $this->ecb = null; - } - } + return parent::isValidEngine($engine); } /** - * Setup the CRYPT_MODE_MCRYPT $engine + * Setup the \phpseclib\Crypt\Base::ENGINE_MCRYPT $engine * - * @see Crypt_Base::_setupMcrypt() + * @see \phpseclib\Crypt\Base::_setupMcrypt() * @access private */ function _setupMcrypt() @@ -885,16 +372,15 @@ class Crypt_Rijndael extends Crypt_Base */ function _encryptBlock($in) { - static $t0, $t1, $t2, $t3, $sbox; - if (!$t0) { - for ($i = 0; $i < 256; ++$i) { - $t0[] = (int)$this->t0[$i]; - $t1[] = (int)$this->t1[$i]; - $t2[] = (int)$this->t2[$i]; - $t3[] = (int)$this->t3[$i]; - $sbox[] = (int)$this->sbox[$i]; - } + 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); @@ -905,9 +391,9 @@ class Crypt_Rijndael extends Crypt_Base $Nr = $this->Nr; // addRoundKey - $i = -1; + $wc = $Nb - 1; foreach ($words as $word) { - $state[] = $word ^ $w[0][++$i]; + $state[] = $word ^ $w[++$wc]; } // fips-197.pdf#page=19, "Figure 5. Pseudo Code for the Cipher", states that this loop has four components - @@ -930,7 +416,7 @@ class Crypt_Rijndael extends Crypt_Base $t1[$state[$j] >> 16 & 0x000000FF] ^ $t2[$state[$k] >> 8 & 0x000000FF] ^ $t3[$state[$l] & 0x000000FF] ^ - $w[$round][$i]; + $w[++$wc]; ++$i; $j = ($j + 1) % $Nb; $k = ($k + 1) % $Nb; @@ -957,7 +443,7 @@ class Crypt_Rijndael extends Crypt_Base ($state[$j] & 0x00FF0000) ^ ($state[$k] & 0x0000FF00) ^ ($state[$l] & 0x000000FF) ^ - $w[$Nr][$i]; + $w[$i]; ++$i; $j = ($j + 1) % $Nb; $k = ($k + 1) % $Nb; @@ -987,16 +473,15 @@ class Crypt_Rijndael extends Crypt_Base */ function _decryptBlock($in) { - static $dt0, $dt1, $dt2, $dt3, $isbox; - if (!$dt0) { - for ($i = 0; $i < 256; ++$i) { - $dt0[] = (int)$this->dt0[$i]; - $dt1[] = (int)$this->dt1[$i]; - $dt2[] = (int)$this->dt2[$i]; - $dt3[] = (int)$this->dt3[$i]; - $isbox[] = (int)$this->isbox[$i]; - } + 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); @@ -1007,9 +492,9 @@ class Crypt_Rijndael extends Crypt_Base $Nr = $this->Nr; // addRoundKey - $i = -1; + $wc = $Nb - 1; foreach ($words as $word) { - $state[] = $word ^ $dw[$Nr][++$i]; + $state[] = $word ^ $dw[++$wc]; } $temp = array(); @@ -1024,7 +509,7 @@ class Crypt_Rijndael extends Crypt_Base $dt1[$state[$j] >> 16 & 0x000000FF] ^ $dt2[$state[$k] >> 8 & 0x000000FF] ^ $dt3[$state[$l] & 0x000000FF] ^ - $dw[$round][$i]; + $dw[++$wc]; ++$i; $j = ($j + 1) % $Nb; $k = ($k + 1) % $Nb; @@ -1045,10 +530,10 @@ class Crypt_Rijndael extends Crypt_Base ($state[$k] & 0x0000FF00) | ($state[$l] & 0x000000FF); - $temp[$i] = $dw[0][$i] ^ ($isbox[$word & 0x000000FF] | - ($isbox[$word >> 8 & 0x000000FF] << 8) | - ($isbox[$word >> 16 & 0x000000FF] << 16) | - ($isbox[$word >> 24 & 0x000000FF] << 24)); + $temp[$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; @@ -1072,7 +557,7 @@ class Crypt_Rijndael extends Crypt_Base /** * Setup the key (expansion) * - * @see Crypt_Base::_setupKey() + * @see \phpseclib\Crypt\Base::_setupKey() * @access private */ function _setupKey() @@ -1129,7 +614,7 @@ class Crypt_Rijndael extends Crypt_Base // 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 / $this->Nk]; - } else if ($this->Nk > 6 && $i % $this->Nk == 4) { + } elseif ($this->Nk > 6 && $i % $this->Nk == 4) { $temp = $this->_subWord($temp); } $w[$i] = $w[$i - $this->Nk] ^ $temp; @@ -1142,6 +627,7 @@ class Crypt_Rijndael extends Crypt_Base // 1. Apply the Key Expansion. // 2. Apply InvMixColumn to all Round Keys except the first and the last one." // also, see fips-197.pdf#page=27, "5.3.5 Equivalent Inverse Cipher" + list($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) { @@ -1152,10 +638,10 @@ class Crypt_Rijndael extends Crypt_Base $j = 0; while ($j < $this->Nb) { $dw = $this->_subWord($this->w[$row][$j]); - $temp[$j] = $this->dt0[$dw >> 24 & 0x000000FF] ^ - $this->dt1[$dw >> 16 & 0x000000FF] ^ - $this->dt2[$dw >> 8 & 0x000000FF] ^ - $this->dt3[$dw & 0x000000FF]; + $temp[$j] = $dt0[$dw >> 24 & 0x000000FF] ^ + $dt1[$dw >> 16 & 0x000000FF] ^ + $dt2[$dw >> 8 & 0x000000FF] ^ + $dt3[$dw & 0x000000FF]; $j++; } $this->dw[$row] = $temp; @@ -1169,20 +655,18 @@ class Crypt_Rijndael extends Crypt_Base $this->dw[$row] = $this->w[$row]; - // In case of $this->use_inline_crypt === true we have to use 1-dim key arrays (both ascending) - if ($this->use_inline_crypt) { - $this->dw = array_reverse($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]; - } + // 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; } + $this->w = $w; + $this->dw = $dw; } /** @@ -1193,7 +677,10 @@ class Crypt_Rijndael extends Crypt_Base */ function _subWord($word) { - $sbox = $this->sbox; + static $sbox; + if (empty($sbox)) { + list(,,,, $sbox) = $this->_getTables(); + } return $sbox[$word & 0x000000FF] | ($sbox[$word >> 8 & 0x000000FF] << 8) | @@ -1201,10 +688,183 @@ class Crypt_Rijndael extends Crypt_Base ($sbox[$word >> 24 & 0x000000FF] << 24); } + /** + * Provides the mixColumns and sboxes tables + * + * @see Crypt_Rijndael:_encryptBlock() + * @see Crypt_Rijndael:_setupInlineCrypt() + * @see Crypt_Rijndael:_subWord() + * @access private + * @return Array &$tables + */ + 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 $tables; + } + + /** + * Provides the inverse mixColumns and inverse sboxes tables + * + * @see Crypt_Rijndael:_decryptBlock() + * @see Crypt_Rijndael:_setupInlineCrypt() + * @see Crypt_Rijndael:_setupKey() + * @access private + * @return Array &$tables + */ + 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 Crypt_Base::_setupInlineCrypt() + * @see \phpseclib\Crypt\Base::_setupInlineCrypt() * @access private */ function _setupInlineCrypt() @@ -1213,44 +873,52 @@ class Crypt_Rijndael extends Crypt_Base // So here we are'nt under the same heavy timing-stress as we are in _de/encryptBlock() or de/encrypt(). // However...the here generated function- $code, stored as php callback in $this->inline_crypt, must work as fast as even possible. - $lambda_functions =& Crypt_Rijndael::_getLambdaFunctions(); + $lambda_functions =& self::_getLambdaFunctions(); - // The first 10 generated $lambda_functions will use the key-words hardcoded for better performance. - // For memory reason we limit those ultra-optimized functions. - // After that, we use pure (extracted) integer vars for the key-words which is faster than accessing them via array. - if (count($lambda_functions) < 10) { - $w = $this->w; - $dw = $this->dw; - $init_encrypt = ''; - $init_decrypt = ''; - } else { - for ($i = 0, $cw = count($this->w); $i < $cw; ++$i) { - $w[] = '$w[' . $i . ']'; - $dw[] = '$dw[' . $i . ']'; - } - $init_encrypt = '$w = $self->w;'; - $init_decrypt = '$dw = $self->dw;'; + // We create max. 10 hi-optimized code for memory reason. Means: For each $key one ultra fast inline-crypt function. + // (Currently, for Crypt_Rijndael/AES, one generated $lambda_function cost on php5.5@32bit ~80kb unfreeable mem and ~130kb on php5.5@64bit) + // After that, we'll still create very fast optimized code but not the hi-ultimative code, for each $mode one. + $gen_hi_opt_code = (bool)( count($lambda_functions) < 10 ); + + // Generation of a uniqe hash for our generated code + $code_hash = "Crypt_Rijndael, {$this->mode}, {$this->Nr}, {$this->Nb}"; + if ($gen_hi_opt_code) { + $code_hash = str_pad($code_hash, 32) . $this->_hashInlineCryptFunction($this->key); } - $code_hash = md5(str_pad("Crypt_Rijndael, {$this->mode}, {$this->block_size}, ", 32, "\0") . implode(',', $w)); - if (!isset($lambda_functions[$code_hash])) { + switch (true) { + case $gen_hi_opt_code: + // The hi-optimized $lambda_functions will use the key-words hardcoded for better performance. + $w = $this->w; + $dw = $this->dw; + $init_encrypt = ''; + $init_decrypt = ''; + break; + default: + for ($i = 0, $cw = count($this->w); $i < $cw; ++$i) { + $w[] = '$w[' . $i . ']'; + $dw[] = '$dw[' . $i . ']'; + } + $init_encrypt = '$w = $self->w;'; + $init_decrypt = '$dw = $self->dw;'; + } + $Nr = $this->Nr; $Nb = $this->Nb; $c = $this->c; // Generating encrypt code: $init_encrypt.= ' - static $t0, $t1, $t2, $t3, $sbox; - if (!$t0) { - for ($i = 0; $i < 256; ++$i) { - $t0[$i] = (int)$self->t0[$i]; - $t1[$i] = (int)$self->t1[$i]; - $t2[$i] = (int)$self->t2[$i]; - $t3[$i] = (int)$self->t3[$i]; - $sbox[$i] = (int)$self->sbox[$i]; - } + static $tables; + if (empty($tables)) { + $tables = &$self->_getTables(); } + $t0 = $tables[0]; + $t1 = $tables[1]; + $t2 = $tables[2]; + $t3 = $tables[3]; + $sbox = $tables[4]; '; $s = 'e'; @@ -1289,26 +957,25 @@ class Crypt_Rijndael extends Crypt_Base $encrypt_block .= '$in = pack("N*"'."\n"; for ($i = 0; $i < $Nb; ++$i) { $encrypt_block.= ', - ($'.$e.$i .' & 0xFF000000) ^ - ($'.$e.(($i + $c[1]) % $Nb).' & 0x00FF0000) ^ - ($'.$e.(($i + $c[2]) % $Nb).' & 0x0000FF00) ^ - ($'.$e.(($i + $c[3]) % $Nb).' & 0x000000FF) ^ + ($'.$e.$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 $dt0, $dt1, $dt2, $dt3, $isbox; - if (!$dt0) { - for ($i = 0; $i < 256; ++$i) { - $dt0[$i] = (int)$self->dt0[$i]; - $dt1[$i] = (int)$self->dt1[$i]; - $dt2[$i] = (int)$self->dt2[$i]; - $dt3[$i] = (int)$self->dt3[$i]; - $isbox[$i] = (int)$self->isbox[$i]; - } + static $invtables; + if (empty($invtables)) { + $invtables = &$self->_getInvTables(); } + $dt0 = $invtables[0]; + $dt1 = $invtables[1]; + $dt2 = $invtables[2]; + $dt3 = $invtables[3]; + $isbox = $invtables[4]; '; $s = 'e'; @@ -1347,10 +1014,10 @@ class Crypt_Rijndael extends Crypt_Base $decrypt_block .= '$in = pack("N*"'."\n"; for ($i = 0; $i < $Nb; ++$i) { $decrypt_block.= ', - ($'.$e.$i. ' & 0xFF000000) ^ - ($'.$e.(($Nb + $i - $c[1]) % $Nb).' & 0x00FF0000) ^ - ($'.$e.(($Nb + $i - $c[2]) % $Nb).' & 0x0000FF00) ^ - ($'.$e.(($Nb + $i - $c[3]) % $Nb).' & 0x000000FF) ^ + ($'.$e.$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"; } $decrypt_block .= ');'; diff --git a/libraries/phpseclib/LICENSE b/libraries/phpseclib/LICENSE new file mode 100644 index 0000000000..75f6b2045c --- /dev/null +++ b/libraries/phpseclib/LICENSE @@ -0,0 +1,21 @@ +Copyright 2007-2013 TerraFrost and other contributors +http://phpseclib.sourceforge.net/ + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/libraries/plugins/auth/AuthenticationCookie.class.php b/libraries/plugins/auth/AuthenticationCookie.class.php index 76e89bf936..f3a0a35a2a 100644 --- a/libraries/plugins/auth/AuthenticationCookie.class.php +++ b/libraries/plugins/auth/AuthenticationCookie.class.php @@ -10,6 +10,8 @@ if (! defined('PHPMYADMIN')) { exit; } +use phpseclib\Crypt; + /* Get the authentication interface */ require_once 'libraries/plugins/AuthenticationPlugin.class.php'; @@ -28,6 +30,20 @@ if (! empty($_REQUEST['target'])) { */ require './libraries/plugins/auth/swekey/swekey.auth.lib.php'; +/** + * phpseclib + */ +if (! function_exists('openssl_encrypt') + || ! function_exists('openssl_decrypt') + || ! function_exists('openssl_random_pseudo_bytes') + || PHP_VERSION_ID < 50304 +) { + require PHPSECLIB_INC_DIR . '/Crypt/Base.php'; + require PHPSECLIB_INC_DIR . '/Crypt/Rijndael.php'; + require PHPSECLIB_INC_DIR . '/Crypt/AES.php'; + require PHPSECLIB_INC_DIR . '/Crypt/Random.php'; +} + /** * Handles the cookie authentication method * @@ -712,7 +728,7 @@ class AuthenticationCookie extends AuthenticationPlugin if (self::useOpenSSL()) { $_SESSION['encryption_key'] = openssl_random_pseudo_bytes(256); } else { - $_SESSION['encryption_key'] = crypt_random_string(256); + $_SESSION['encryption_key'] = Crypt\Random::string(256); } } return $_SESSION['encryption_key']; @@ -753,7 +769,7 @@ class AuthenticationCookie extends AuthenticationPlugin $this->_cookie_iv ); } else { - $cipher = new Crypt_AES(CRYPT_AES_MODE_CBC); + $cipher = new Crypt\AES(Crypt\Base::MODE_CBC); $cipher->setIV($this->_cookie_iv); $cipher->setKey($secret); return base64_encode($cipher->encrypt($data)); @@ -787,7 +803,7 @@ class AuthenticationCookie extends AuthenticationPlugin $this->_cookie_iv ); } else { - $cipher = new Crypt_AES(CRYPT_AES_MODE_CBC); + $cipher = new Crypt\AES(Crypt\Base::MODE_CBC); $cipher->setIV($this->_cookie_iv); $cipher->setKey($secret); return $cipher->decrypt(base64_decode($encdata)); @@ -804,7 +820,7 @@ class AuthenticationCookie extends AuthenticationPlugin if (self::useOpenSSL()) { return openssl_cipher_iv_length('AES-128-CBC'); } - $cipher = new Crypt_AES(CRYPT_AES_MODE_CBC); + $cipher = new Crypt\AES(Crypt\Base::MODE_CBC); return $cipher->block_size; } @@ -823,7 +839,7 @@ class AuthenticationCookie extends AuthenticationPlugin $this->getIVSize() ); } else { - $this->_cookie_iv = crypt_random_string( + $this->_cookie_iv = Crypt\Random::string( $this->getIVSize() ); } @@ -864,4 +880,4 @@ class AuthenticationCookie extends AuthenticationPlugin if (! AuthenticationCookie::useOpenSSL()) { include PHPSECLIB_INC_DIR . '/Crypt/AES.php'; include PHPSECLIB_INC_DIR . '/Crypt/Random.php'; -} \ No newline at end of file +}