Current File : /www/varak.net/shop.varak.net/classes/Rijndael.php
<?php
/*
* 2007-2016 PrestaShop
*
* NOTICE OF LICENSE
*
* This source file is subject to the Open Software License (OSL 3.0)
* that is bundled with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://opensource.org/licenses/osl-3.0.php
* 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@prestashop.com so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
* versions in the future. If you wish to customize PrestaShop for your
* needs please refer to http://www.prestashop.com for more information.
*
* @author PrestaShop SA <contact@prestashop.com>
* @copyright 2007-2016 PrestaShop SA
* @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0)
* International Registered Trademark & Property of PrestaShop SA
*/
class RijndaelCore
{
protected $_key;
protected $_iv;
public function __construct($key, $iv)
{
$this->_key = $key;
$this->_iv = base64_decode($iv);
}
/**
* Base64 is not required, but it is be more compact than urlencode
*
* @param string $plaintext
* @return bool|string
*/
public function encrypt($plaintext)
{
$length = (ini_get('mbstring.func_overload') & 2) ? mb_strlen($plaintext, ini_get('default_charset')) : strlen($plaintext);
if ($length >= 1048576) {
return false;
}
return base64_encode(mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $this->_key, $plaintext, MCRYPT_MODE_CBC, $this->_iv)).sprintf('%06d', $length);
}
public function decrypt($ciphertext)
{
if (ini_get('mbstring.func_overload') & 2) {
$length = intval(mb_substr($ciphertext, -6, 6, ini_get('default_charset')));
$ciphertext = mb_substr($ciphertext, 0, -6, ini_get('default_charset'));
return mb_substr(
mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $this->_key, base64_decode($ciphertext), MCRYPT_MODE_CBC, $this->_iv),
0,
$length,
ini_get('default_charset')
);
} else {
$length = intval(substr($ciphertext, -6));
$ciphertext = substr($ciphertext, 0, -6);
return substr(mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $this->_key, base64_decode($ciphertext), MCRYPT_MODE_CBC, $this->_iv), 0, $length);
}
}
}
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