diff options
| -rw-r--r-- | cryptography/hazmat/primitives/asymmetric/dsa.py | 9 | ||||
| -rw-r--r-- | tests/hazmat/primitives/test_dsa.py | 25 |
2 files changed, 1 insertions, 33 deletions
diff --git a/cryptography/hazmat/primitives/asymmetric/dsa.py b/cryptography/hazmat/primitives/asymmetric/dsa.py index 0f7cf21a..57a7ef3d 100644 --- a/cryptography/hazmat/primitives/asymmetric/dsa.py +++ b/cryptography/hazmat/primitives/asymmetric/dsa.py @@ -18,7 +18,7 @@ import six from cryptography import utils from cryptography.exceptions import UnsupportedAlgorithm, _Reasons from cryptography.hazmat.backends.interfaces import DSABackend -from cryptography.hazmat.primitives import hashes, interfaces +from cryptography.hazmat.primitives import interfaces def _check_dsa_parameters(modulus, subgroup_order, generator): @@ -157,13 +157,6 @@ class DSAPublicKey(object): "Backend object does not implement DSABackend", _Reasons.BACKEND_MISSING_INTERFACE ) - if not isinstance(algorithm, (hashes.SHA1, hashes.SHA224, - hashes.SHA256, hashes.SHA384, hashes.SHA512)): - raise UnsupportedAlgorithm( - "Unsupported Hash Algorithm, please use one of these: " - "SHA1, SHA224, SHA256, SHA384, SHA512", - _Reasons.UNSUPPORTED_HASH - ) return backend.create_dsa_verification_ctx(self, signature, algorithm) diff --git a/tests/hazmat/primitives/test_dsa.py b/tests/hazmat/primitives/test_dsa.py index e9c9ca24..3f65fd5a 100644 --- a/tests/hazmat/primitives/test_dsa.py +++ b/tests/hazmat/primitives/test_dsa.py @@ -766,31 +766,6 @@ class TestDSAVerification(object): with pytest.raises(AlreadyFinalized): verifier.update(b"more data") - @pytest.mark.parametrize( - "vector", - load_vectors_from_file( - os.path.join( - "asymmetric", "DSA", "FIPS_186-3", "SigVer.rsp"), - load_fips_dsa_sig_vectors - ) - ) - def test_dsa_verifier_invalid_digest_algorithm(self, vector, backend): - digest_algorithm = vector['digest_algorithm'].replace("-", "") - algorithm = self._algorithms_dict[digest_algorithm] - if (not backend.dsa_parameters_supported(vector['p'], vector['q']) - or not backend.dsa_hash_supported(algorithm)): - pytest.skip( - "{0} does not support the provided parameters".format(backend) - ) - - public_key = dsa.DSAPublicKey( - vector['p'], vector['q'], vector['g'], vector['y'] - ) - sig = der_encode_dsa_signature(vector['r'], vector['s']) - with raises_unsupported_algorithm( - _Reasons.UNSUPPORTED_HASH): - public_key.verifier(sig, hashes.MD5(), backend) - def test_dsa_verifier_invalid_backend(self, backend): pretend_backend = object() params = dsa.DSAParameters.generate(1024, backend) |