diff options
Diffstat (limited to 'tests/test_utils.py')
| -rw-r--r-- | tests/test_utils.py | 36 |
1 files changed, 31 insertions, 5 deletions
diff --git a/tests/test_utils.py b/tests/test_utils.py index 7a0b9e74..7b3ffbc3 100644 --- a/tests/test_utils.py +++ b/tests/test_utils.py @@ -27,11 +27,11 @@ from cryptography.exceptions import UnsupportedAlgorithm, _Reasons import cryptography_vectors from .utils import ( - check_backend_support, check_for_iface, load_cryptrec_vectors, - load_fips_dsa_key_pair_vectors, load_fips_dsa_sig_vectors, - load_fips_ecdsa_key_pair_vectors, load_fips_ecdsa_signing_vectors, - load_hash_vectors, load_nist_vectors, load_pkcs1_vectors, - load_rsa_nist_vectors, load_vectors_from_file, + check_backend_support, check_for_iface, dss_sig_value, + load_cryptrec_vectors, load_fips_dsa_key_pair_vectors, + load_fips_dsa_sig_vectors, load_fips_ecdsa_key_pair_vectors, + load_fips_ecdsa_signing_vectors, load_hash_vectors, load_nist_vectors, + load_pkcs1_vectors, load_rsa_nist_vectors, load_vectors_from_file, raises_unsupported_algorithm, select_backends ) @@ -125,6 +125,32 @@ def test_check_backend_support_no_backend(): check_backend_support(item) +def test_dss_sig_value(): + sig = dss_sig_value(1, 1) + assert sig == b"0\x06\x02\x01\x01\x02\x01\x01" + + sig2 = dss_sig_value(1037234182290683143945502320610861668562885151617, + 559776156650501990899426031439030258256861634312) + assert sig2 == ( + b'0-\x02\x15\x00\xb5\xaf0xg\xfb\x8bT9\x00\x13\xccg\x02\r\xdf\x1f,\x0b' + b'\x81\x02\x14b\r;"\xabP1D\x0c>5\xea\xb6\xf4\x81)\x8f\x9e\x9f\x08' + ) + + sig3 = dss_sig_value(0, 0) + assert sig3 == b"0\x06\x02\x01\x00\x02\x01\x00" + + +def test_dss_sig_value_negative(): + with pytest.raises(ValueError): + dss_sig_value(-1, 1) + + with pytest.raises(ValueError): + dss_sig_value(1, -1) + + with pytest.raises(ValueError): + dss_sig_value(-1, -1) + + def test_load_nist_vectors(): vector_data = textwrap.dedent(""" # CAVS 11.1 |