diff options
Diffstat (limited to 'tests/hazmat/primitives/test_asym_utils.py')
| -rw-r--r-- | tests/hazmat/primitives/test_asym_utils.py | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/tests/hazmat/primitives/test_asym_utils.py b/tests/hazmat/primitives/test_asym_utils.py index f2f8850f..f8a67b68 100644 --- a/tests/hazmat/primitives/test_asym_utils.py +++ b/tests/hazmat/primitives/test_asym_utils.py @@ -4,6 +4,8 @@ from __future__ import absolute_import, division, print_function +import pytest + from cryptography.hazmat.primitives.asymmetric.utils import ( decode_rfc6979_signature, encode_rfc6979_signature ) @@ -32,3 +34,8 @@ def test_rfc6979_signature(): sig4 = encode_rfc6979_signature(-1, 0) assert sig4 == b"0\x06\x02\x01\xFF\x02\x01\x00" assert decode_rfc6979_signature(sig4) == (-1, 0) + + +def test_decode_rfc6979_trailing_bytes(): + with pytest.raises(ValueError): + decode_rfc6979_signature(b"0\x06\x02\x01\x01\x02\x01\x01\x00\x00\x00") |