/**
* @dataProvider provideTestDecryptVectors
* @group Vectors
*/
public function testDecrypt($cipher, $key, $initv, $data, $adata, $expected, $result, $asize, $psize, $nsize, $tsize)
{
$cipher = new \CryptLib\Cipher\Block\Cipher\AES($cipher);
$cipher->setKey(pack('H*', $key));
if ($asize == 0) {
$adata = '';
}
if ($psize == 0) {
$data = 0;
}
$options = array('adata' => pack('H*', $adata), 'lSize' => 15 - $nsize, 'aSize' => $tsize);
$mode = new \CryptLib\Cipher\Block\Mode\CCM($cipher, pack('H*', $initv), $options);
$mode->decrypt(pack('H*', $expected));
$enc = $mode->finish();
if ($enc === false) {
$this->assertEquals('Fail', $result);
} else {
$this->assertEquals('Pass', $result);
}
}
public function testDecryptAuthFailure()
{
$factory = new \CryptLib\Cipher\Factory();
$aes = $factory->getBlockCipher('rijndael-128');
$key = '0123456789ABCDEFGHIJKLMNOPQRSTUV';
$aes->setKey($key);
$iv = 'FEDCBA9876543210';
$data = 'Foo Bar Baz Biz ';
$adata = 'Some Other Text';
$mode = new CryptLib\Cipher\Block\Mode\CCM($aes, $iv, array('adata' => $adata));
$mode->encrypt($data);
$enc = $mode->finish();
$mode->reset();
$enc = substr($enc, 0, -1) . chr(255);
$mode->decrypt($enc);
$this->assertFalse($mode->finish());
}
