CryptLib/Random/Mixer/Rijndael.php

   1 <?php
   2 /**
   3  * The Rijndael-128 based high strength mixer class
   4  *
   5  * This class implements a mixer based upon the recommendations in RFC 4086
   6  * section 5.2
   7  *
   8  * PHP version 5.3
   9  *
  10  * @see        http://tools.ietf.org/html/rfc4086#section-5.2
  11  * @category   PHPCryptLib
  12  * @package    Random
  13  * @subpackage Mixer
  14  * @author     Anthony Ferrara <ircmaxell@ircmaxell.com>
  15  * @copyright  2011 The Authors
  16  * @license    http://www.opensource.org/licenses/mit-license.html  MIT License
  17  * @version    Build @@version@@
  18  */
  19
  20 namespace CryptLib\Random\Mixer;
  21
  22 use \CryptLib\Cipher\Factory as CipherFactory;
  23 use \CryptLib\Core\Strength;
  24
  25 /**
  26  * The Rijndael-128 based high strength mixer class
  27  *
  28  * This class implements a mixer based upon the recommendations in RFC 4086
  29  * section 5.2
  30  *
  31  * @see        http://tools.ietf.org/html/rfc4086#section-5.2
  32  * @category   PHPCryptLib
  33  * @package    Random
  34  * @subpackage Mixer
  35  * @author     Anthony Ferrara <ircmaxell@ircmaxell.com>
  36  */
  37 class Rijndael extends DES {
  38
  39     /**
  40      * An instance of a Rijndael symmetric encryption cipher
  41      *
  42      * @var Cipher The Rijndael cipher instance
  43      */
  44     protected $cipher = 'rijndael-128';
  45
  46     /**
  47      * Return an instance of Strength indicating the strength of the source
  48      *
  49      * @return Strength An instance of one of the strength classes
  50      */
  51     public static function getStrength() {
  52         return new Strength(Strength::HIGH);
  53     }
  54
  55 }