diff options
Diffstat (limited to 'tests/hazmat/primitives/test_aes.py')
| -rw-r--r-- | tests/hazmat/primitives/test_aes.py | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/tests/hazmat/primitives/test_aes.py b/tests/hazmat/primitives/test_aes.py index 565cc11d..f1d434f1 100644 --- a/tests/hazmat/primitives/test_aes.py +++ b/tests/hazmat/primitives/test_aes.py @@ -13,6 +13,7 @@ from cryptography.hazmat.backends.interfaces import CipherBackend from cryptography.hazmat.primitives.ciphers import algorithms, base, modes from .utils import _load_all_params, generate_aead_test, generate_encrypt_test +from ...doubles import DummyMode from ...utils import load_nist_vectors @@ -484,14 +485,17 @@ class TestAESModeGCM(object): modes.CFB(bytearray(b"\x00" * 16)), modes.CFB8(bytearray(b"\x00" * 16)), modes.XTS(bytearray(b"\x00" * 16)), + # Add a dummy mode for coverage of the cipher_supported check. + DummyMode(), ] ) @pytest.mark.requires_backend_interface(interface=CipherBackend) def test_buffer_protocol_alternate_modes(mode, backend): data = bytearray(b"sixteen_byte_msg") - cipher = base.Cipher( - algorithms.AES(bytearray(os.urandom(32))), mode, backend - ) + key = algorithms.AES(bytearray(os.urandom(32))) + if not backend.cipher_supported(key, mode): + pytest.skip("AES in {} mode not supported".format(mode.name)) + cipher = base.Cipher(key, mode, backend) enc = cipher.encryptor() ct = enc.update(data) + enc.finalize() dec = cipher.decryptor() |