/**
* @dataProvider engineVectors
*/
public function testVectors($engine, $engineName, $key, $keyLen, $plaintext, $ciphertext)
{
$rc2 = new RC2();
$rc2->disablePadding();
$rc2->setKeyLength($keyLen);
$rc2->setKey(pack('H*', $key));
// could also do $rc2->setKey(pack('H*', $key), $keyLen)
if (!$rc2->isValidEngine($engine)) {
self::markTestSkipped('Unable to initialize ' . $engineName . ' engine');
}
$rc2->setPreferredEngine($engine);
$result = bin2hex($rc2->encrypt(pack('H*', $plaintext)));
$this->assertEquals($result, $ciphertext, "Failed asserting that {$plaintext} yielded expected output in {$engineName} engine");
}
/**
* Returns a SymmetricKey object baesd on a PBES2 $algo
*
* @access public
* @param string $algo
*/
static function getPBES2EncryptionObject($algo)
{
switch ($algo) {
case 'desCBC':
$cipher = new TripleDES(BlockCipher::MODE_CBC);
break;
case 'des-EDE3-CBC':
$cipher = new TripleDES(BlockCipher::MODE_CBC);
break;
case 'rc2CBC':
$cipher = new RC2(BlockCipher::MODE_CBC);
// in theory this can be changed
$cipher->setKeyLength(128);
break;
case 'rc5-CBC-PAD':
throw new UnsupportedAlgorithmException('rc5-CBC-PAD is not supported for PBES2 PKCS#8 keys');
case 'aes128-CBC-PAD':
case 'aes192-CBC-PAD':
case 'aes256-CBC-PAD':
$cipher = new AES(BlockCipher::MODE_CBC);
$cipher->setKeyLength(substr($algo, 3, 3));
break;
default:
throw new UnsupportedAlgorithmException("{$algo} is not supported");
}
return $cipher;
}