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| author | Cédric Krier <ced@b2ck.com> | 2016-02-27 00:28:39 +0100 |
|---|---|---|
| committer | Cédric Krier <ced@b2ck.com> | 2016-02-27 19:24:42 +0100 |
| commit | 94f9ea25b50a3dd2592abfc63385989955e60e68 (patch) | |
| tree | f9301d7a74915ab2991e732d3034367e82ae65ee /tests | |
| parent | f8c230d1ab16905c64baa88322aa0bb4e8f094bd (diff) | |
| download | cryptography-94f9ea25b50a3dd2592abfc63385989955e60e68.tar.gz cryptography-94f9ea25b50a3dd2592abfc63385989955e60e68.tar.bz2 cryptography-94f9ea25b50a3dd2592abfc63385989955e60e68.zip | |
Add padding check for ANSI X.923
All padding bytes must be 0.
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/hazmat/primitives/test_padding.py | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/tests/hazmat/primitives/test_padding.py b/tests/hazmat/primitives/test_padding.py index 9da8ea7a..9126e5bf 100644 --- a/tests/hazmat/primitives/test_padding.py +++ b/tests/hazmat/primitives/test_padding.py @@ -102,6 +102,21 @@ class TestPKCS7(object): class TestANSIX923(object): + @pytest.mark.parametrize(("size", "padded"), [ + (128, b"1111"), + (128, b"1111111111111111"), + (128, b"111111111111111\x06"), + (128, b"1111111111\x06\x06\x06\x06\x06\x06"), + (128, b""), + (128, b"\x06" * 6), + (128, b"\x00" * 16), + ]) + def test_invalid_padding(self, size, padded): + unpadder = padding.ANSIX923(size).unpadder() + with pytest.raises(ValueError): + unpadder.update(padded) + unpadder.finalize() + @pytest.mark.parametrize(("size", "unpadded", "padded"), [ ( 128, |