* setKey('12345678901234567890123456789012'); * * $plaintext = str_repeat('a', 1024); * * echo $twofish->decrypt($twofish->encrypt($plaintext)); * ?> * * * @category Crypt * @package Twofish * @author Jim Wigginton * @author Hans-Juergen Petrich * @copyright 2007 Jim Wigginton * @license http://www.opensource.org/licenses/mit-license.html MIT License * @link http://phpseclib.sourceforge.net */ namespace phpseclib\Crypt; /** * Pure-PHP implementation of Twofish. * * @package Twofish * @author Jim Wigginton * @access public */ class Twofish extends Base { /** * Turns key lengths, be they valid or invalid, to valid key lengths * * @param int $length * @access private * @return int */ protected function calculateNewKeyLength($length) { switch (true) { case $length <= 128: return 128; case $length <= 192: return 192; default: return 256; } } }