whoami7 - Manager
:
/
home
/
c
/
i
/
d
/
cideo
/
library
/
Zend
/
InfoCard
/
Cipher
/
Symmetric
/
Adapter
/
Upload File:
files >> /home/c/i/d/cideo/library/Zend/InfoCard/Cipher/Symmetric/Adapter/Aes256cbc.php
<?php /** * Zend Framework * * LICENSE * * This source file is subject to the new BSD license that is bundled * with this package in the file LICENSE.txt. * It is also available through the world-wide-web at this URL: * http://framework.zend.com/license/new-bsd * If you did not receive a copy of the license and are unable to * obtain it through the world-wide-web, please send an email * to license@zend.com so we can send you a copy immediately. * * @category Zend * @package Zend_InfoCard * @subpackage Zend_InfoCard_Cipher * @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License * @version $Id: Aes256cbc.php 9094 2008-03-30 18:36:55Z thomas $ */ /** * Zend_InfoCard_Cipher_Symmetric_Adapter_Abstract */ require_once 'Zend/InfoCard/Cipher/Symmetric/Adapter/Abstract.php'; /** * Zend_InfoCard_Cipher_Symmetric_Aes256cbc_Interface */ require_once 'Zend/InfoCard/Cipher/Symmetric/Aes256cbc/Interface.php'; /** * Zend_InfoCard_Cipher_Exception */ require_once 'Zend/InfoCard/Cipher/Exception.php'; /** * Implements AES256 with CBC encryption implemented using the mCrypt extension * * @category Zend * @package Zend_InfoCard * @subpackage Zend_InfoCard_Cipher * @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License */ class Zend_InfoCard_Cipher_Symmetric_Adapter_Aes256cbc extends Zend_InfoCard_Cipher_Symmetric_Adapter_Abstract implements Zend_InfoCard_Cipher_Symmetric_Aes256cbc_Interface { /** * The MCRYPT Cipher constant for this encryption */ const MCRYPT_CIPHER = MCRYPT_RIJNDAEL_128; /** * The MCRYPT Mode constant for this encryption */ const MCRYPT_MODE = MCRYPT_MODE_CBC; /** * The default length of the IV to use */ const IV_LENGTH = 16; /** * The object constructor * * @throws Zend_InfoCard_Cipher_Exception */ public function __construct() { // Can't test for this // @codeCoverageIgnoreStart if(!extension_loaded('mcrypt')) { throw new Zend_InfoCard_Cipher_Exception("Use of the AES256CBC Cipher requires the mcrypt extension"); } // @codeCoveregIgnoreEnd } /** * Decrypts data using the AES Algorithm using the mCrypt extension * * @throws Zend_InfoCard_Cipher_Exception * @param string $encryptedData The encrypted data in binary format * @param string $decryptionKey The decryption key * @param integer $iv_length The IV length to use * @return string the decrypted data with any terminating nulls removed */ public function decrypt($encryptedData, $decryptionKey, $iv_length = null) { $iv_length = is_null($iv_length) ? self::IV_LENGTH : $iv_length; $mcrypt_iv = null; if($iv_length > 0) { $mcrypt_iv = substr($encryptedData, 0, $iv_length); $encryptedData = substr($encryptedData, $iv_length); } $decrypted = mcrypt_decrypt(self::MCRYPT_CIPHER, $decryptionKey, $encryptedData, self::MCRYPT_MODE, $mcrypt_iv); if(!$decrypted) { throw new Zend_InfoCard_Cipher_Exception("Failed to decrypt data using AES256CBC Algorithm"); } $decryptedLength = strlen($decrypted); $paddingLength = substr($decrypted, $decryptedLength -1, 1); $decrypted = substr($decrypted, 0, $decryptedLength - ord($paddingLength)); return rtrim($decrypted, "\0"); } }
Copyright ©2021 || Defacer Indonesia