/**
* Test for engine validity
*
* This is mainly just a wrapper to set things up for \phpseclib\Crypt\Base::isValidEngine()
*
* @see \phpseclib\Crypt\Base::__construct()
* @param int $engine
* @access public
* @return bool
*/
function isValidEngine($engine)
{
if ($engine == self::ENGINE_OPENSSL) {
$this->cipher_name_openssl_ecb = 'des-ede3';
$mode = $this->_openssl_translate_mode();
$this->cipher_name_openssl = $mode == 'ecb' ? 'des-ede3' : 'des-ede3-' . $mode;
}
return parent::isValidEngine($engine);
}