Decrypt cyphertext
| public static decrypt ( string $cyphertext, string $password, integer $cost, string $cipher = MCRYPT_RIJNDAEL_128, string $mode = MCRYPT_MODE_CBC, string $algo = 'sha256' ) : string | boolean | ||
| $cyphertext | string | Cypher text to decrypt |
| $password | string | Password that should be used to decrypt input data |
| $cost | integer | Number of HMAC iterations to perform on key |
| $cipher | string | Mcrypt cipher |
| $mode | string | Mcrypt mode |
| $algo | string | Hashing algorithm to use for internal operations |
| return | string | boolean | Returns false on checksum validation failure |
public function testCrossCompatability()
{
// If PHP 7.1, skip this test
if (self::mcryptDeprecated()) {
$this->assertTrue(true);
return;
}
$k = 'asdf';
$p = '1234';
$c = Aes::encrypt($p, $k);
$this->assertEquals($p, Mcrypt::decrypt($c, $k));
}
public function testEngine()
{
// If PHP 7.1, skip this test
if (self::mcryptDeprecated()) {
$this->assertTrue(true);
return;
}
$modes = self::mcryptModes();
$ciphers = self::mcryptCiphers();
foreach (hash_algos() as $algo) {
$input = 'AAAAAAAA';
$key = 'AAAAAAAA';
$cost = 0;
foreach ($modes as $mode) {
foreach ($ciphers as $cipher) {
$encrypted = Mcrypt::encrypt($input, $key, $cost, $cipher, $mode, $algo);
$this->assertEquals($input, Mcrypt::decrypt($encrypted, $key, $cost, $cipher, $mode, $algo));
}
}
}
}
public function testCrossDecryptFailure()
{
$pw = 'password';
$encrypted = \Dcrypt\Aes::encrypt('hello world', $pw);
try {
\Dcrypt\AesCtr::decrypt($encrypted, $pw);
$this->assertTrue(false);
} catch (\Exception $ex) {
$this->assertTrue(true);
}
try {
\Dcrypt\Mcrypt::decrypt($encrypted, $pw);
$this->assertTrue(false);
} catch (\Exception $ex) {
$this->assertTrue(true);
}
$encrypted = \Dcrypt\AesCtr::encrypt('hello world', $pw);
try {
\Dcrypt\Aes::decrypt($encrypted, $pw);
$this->assertTrue(false);
} catch (\Exception $ex) {
$this->assertTrue(true);
}
}
