public function testDecryptPadding()
{
$des = new DES(Base::MODE_CBC);
$des->disablePadding();
// when the key and iv are not specified they should be null padded
//$des->setKey();
//$des->setIV();
$des->setPreferredEngine(Base::ENGINE_INTERNAL);
$internal = $des->decrypt('d');
$result = pack('H*', '79b305d1ce555221');
$this->assertEquals($result, $internal, 'Failed asserting that the internal engine produced the correct result');
$des->setPreferredEngine(Base::ENGINE_MCRYPT);
if ($des->getEngine() == Base::ENGINE_MCRYPT) {
$mcrypt = $des->decrypt('d');
$this->assertEquals($result, $mcrypt, 'Failed asserting that the mcrypt engine produced the correct result');
} else {
self::markTestSkipped('Unable to initialize mcrypt engine');
}
$des->setPreferredEngine(Base::ENGINE_OPENSSL);
if ($des->getEngine() == Base::ENGINE_OPENSSL) {
$openssl = $des->decrypt('d');
$this->assertEquals($result, $openssl, 'Failed asserting that the OpenSSL engine produced the correct result');
} else {
self::markTestSkipped('Unable to initialize OpenSSL engine');
}
}
/**
* Sets the internal crypt engine
*
* @see \phpseclib\Crypt\Base::Crypt_Base()
* @see \phpseclib\Crypt\Base::setPreferredEngine()
* @param Integer $engine
* @access public
* @return Integer
*/
function setPreferredEngine($engine)
{
if ($this->mode_3cbc) {
$this->des[0]->setPreferredEngine($engine);
$this->des[1]->setPreferredEngine($engine);
$this->des[2]->setPreferredEngine($engine);
}
return parent::setPreferredEngine($engine);
}
