/**
* @dataProvider engineIVVectors
*/
public function testVectorsWithIV($engine, $engineName, $key, $iv, $plaintext, $expected)
{
$des = new TripleDES();
if (!$des->isValidEngine($engine)) {
self::markTestSkipped('Unable to initialize ' . $engineName . ' engine');
}
$des->setPreferredEngine($engine);
$des->setKey($key);
$des->setIV($iv);
$des->disablePadding();
$result = $des->encrypt($plaintext);
$plaintext = bin2hex($plaintext);
$this->assertEquals($result, $expected, "Failed asserting that {$plaintext} yielded expected output in {$engineName} engine");
}
/**
* 3-DES Decrypt in EDE-CBC3 Mode
*
* @param string $hexEncryptedData
* Encrypted Data in hexadecimal representation
* @param string $hexKey
* Key in hexadecimal representation
* @param bool $useDesModeCBC3
* Use DES CBC3 Mode
*
* @return string
* Decrypted data in hexadecimal representation
*/
public static function tripleDesDecrypt($hexEncryptedData, $hexKey, $useDesModeCBC3 = false)
{
//fix Crypt Library padding
$hexKey = $hexKey . substr($hexKey, 0, 16);
if ($useDesModeCBC3) {
$crypt3DES = new TripleDES(TripleDES::MODE_CBC3);
// IDTech uses mode CRYPT_DES_MODE_CBC3
} else {
$crypt3DES = new TripleDES(TripleDES::MODE_ECB);
// Chinese uses mode CRYPT_DES_MODE_ECB
}
$crypt3DES->setKey(Utility::hex2bin($hexKey));
$crypt3DES->disablePadding();
return strtoupper(bin2hex($crypt3DES->decrypt(Utility::hex2bin($hexEncryptedData))));
}
