simplecrypt.php

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<?php
/**
 * @package     Joomla.Legacy
 * @subpackage  Simplecrypt
 *
 * @copyright   Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
 * @license     GNU General Public License version 2 or later; see LICENSE
 */

defined('JPATH_PLATFORM') or die;

/**
 * JSimpleCrypt is a very simple encryption algorithm for encrypting/decrypting strings
 *
 * @package     Joomla.Legacy
 * @subpackage  Simplecrypt
 * @since       11.1
 * @deprecated  12.3 (Platform) & 4.0 (CMS) - Use JCrypt instead.
 */
class JSimplecrypt
{
        /**
         * Encryption/Decryption Key
         *
         * @var         JCrypt
         * @since       12.1
         * @deprecated  12.3  Use JCrypt instead.
         */
        private $_crypt;

        /**
         * Object Constructor takes an optional key to be used for encryption/decryption. If no key is given then the
         * secret word from the configuration object is used.
         *
         * @param   string  $privateKey  Optional encryption key
         *
         * @since       11.1
         * @deprecated  12.3  Use JCrypt instead.
         */
        public function __construct($privateKey = null)
        {
                JLog::add('JSimpleCrypt is deprecated. Use JCrypt instead.', JLog::WARNING, 'deprecated');

                if (empty($privateKey))
                {
                        $privateKey = md5(JFactory::getConfig()->get('secret'));
                }

                // Build the JCryptKey object.
                $key = new JCryptKey('simple', $privateKey, $privateKey);

                // Setup the JCrypt object.
                $this->_crypt = new JCrypt(new JCryptCipherSimple, $key);
        }

        /**
         * Decrypt a string
         *
         * @param   string  $s  String to decrypt
         *
         * @return  string
         *
         * @since   11.1
         * @deprecated  12.3  Use JCrypt instead.
         */
        public function decrypt($s)
        {
                return $this->_crypt->decrypt($s);
        }

        /**
         * Encrypt a string
         *
         * @param   string  $s  String to encrypt
         *
         * @return  string
         *
         * @since   11.1
         * @deprecated  12.3  Use JCrypt instead.
         */
        public function encrypt($s)
        {
                return $this->_crypt->encrypt($s);
        }
}