/** * @expectedException \Defuse\Crypto\Exception\WrongKeyOrModifiedCiphertextException */ public function testBitflip() { $key = Key::createNewRandomKey(); $password = PasswordLock::hashAndEncrypt('YELLOW SUBMARINE', $key); $password[0] = \ord($password[0]) === 0 ? 255 : 0; PasswordLock::decryptAndVerify('YELLOW SUBMARINE', $password, $key); }
/** * @expectedException \Defuse\Crypto\Exception\InvalidCiphertext */ public function testBitflip() { $key = \Defuse\Crypto\Key::LoadFromAsciiSafeString(\hex2bin('0102030405060708090a0b0c0d0e0f10')); $password = PasswordLock::hashAndEncrypt('YELLOW SUBMARINE', $key); $password[0] = \ord($password[0]) === 0 ? 255 : 0; PasswordLock::decryptAndVerify('YELLOW SUBMARINE', $password, $key); }
/** * @expectedException \Defuse\Crypto\Exception\InvalidCiphertext */ public function testBitflip() { $key = \hex2bin('0102030405060708090a0b0c0d0e0f10'); $password = PasswordLock::hashAndEncrypt('YELLOW SUBMARINE', $key); $password[0] = \ord($password[0]) === 0 ? 255 : 0; PasswordLock::decryptAndVerify('YELLOW SUBMARINE', $password, $key); }
/** * Key rotation method -- decrypt with your old key then re-encrypt with your new key * * @param string $hashedValue * @param \Defuse\Crypto\Key $newKey * * @return string */ public function shouldRecreate(string $hashedValue, Key $newKey) : string { return PasswordLock::rotateKey($hashedValue, $this->key, $newKey); }