def test_aes_cbc(): encrypter = AES_CBCEncrypter() orig_msg = b'Murder must advertise.' iv = b'Dorothy L Sayers' ctx, tag = encrypter.encrypt(orig_msg, iv) _msg = encrypter.decrypt(ctx, iv=iv, tag=tag) assert _msg == orig_msg
def test_aes_cbc_missing_decrypt_key(): encrypter = AES_CBCEncrypter() orig_msg = b'Murder must advertise.' ctx, tag = encrypter.encrypt(orig_msg) encrypter.key = None with pytest.raises(MissingKey): encrypter.decrypt(ctx, iv=encrypter.iv, tag=b'12346567890')
def test_aes_cbc_wrong_tag(): encrypter = AES_CBCEncrypter() orig_msg = b'Murder must advertise.' ctx, tag = encrypter.encrypt(orig_msg) with pytest.raises(VerificationError): encrypter.decrypt(ctx, iv=encrypter.iv, tag=b'12346567890')
def test_aes_cbc_no_iv(): encrypter = AES_CBCEncrypter() orig_msg = b'Murder must advertise.' ctx, tag = encrypter.encrypt(orig_msg) _msg = encrypter.decrypt(ctx, iv=encrypter.iv, tag=tag) assert _msg == orig_msg
def test_aes_cbc_unsupported_padding(): with pytest.raises(Unsupported): AES_CBCEncrypter(msg_padding='ABC')