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author | Alex Gaynor <alex.gaynor@gmail.com> | 2013-11-22 12:52:18 -0800 |
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committer | Alex Gaynor <alex.gaynor@gmail.com> | 2013-11-22 12:52:18 -0800 |
commit | 0ab3e44b0512a6cbab845a65759a21787bf15d27 (patch) | |
tree | fd99b446da8b331d5215e35cbf20dacdc8e519a5 /tests/hazmat/primitives | |
parent | 838ad7d2f5bb97242a9f75ac9055be5be75a7711 (diff) | |
download | cryptography-0ab3e44b0512a6cbab845a65759a21787bf15d27.tar.gz cryptography-0ab3e44b0512a6cbab845a65759a21787bf15d27.tar.bz2 cryptography-0ab3e44b0512a6cbab845a65759a21787bf15d27.zip |
Raise a correct error when content isn't padded correctly
Diffstat (limited to 'tests/hazmat/primitives')
-rw-r--r-- | tests/hazmat/primitives/test_block.py | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/tests/hazmat/primitives/test_block.py b/tests/hazmat/primitives/test_block.py index 9460c53d..4c756203 100644 --- a/tests/hazmat/primitives/test_block.py +++ b/tests/hazmat/primitives/test_block.py @@ -18,7 +18,9 @@ import binascii import pytest from cryptography import utils -from cryptography.exceptions import UnsupportedAlgorithm, AlreadyFinalized +from cryptography.exceptions import ( + UnsupportedAlgorithm, AlreadyFinalized, IncorrectPadding +) from cryptography.hazmat.primitives import interfaces from cryptography.hazmat.primitives.ciphers import ( Cipher, algorithms, modes @@ -108,3 +110,19 @@ class TestCipherContext(object): with pytest.raises(UnsupportedAlgorithm): cipher.decryptor() + + def test_incorrectly_padded(self, backend): + cipher = Cipher( + algorithms.AES(b"\x00" * 16), + modes.CBC(b"\x00" * 16), + backend + ) + encryptor = cipher.encryptor() + encryptor.update(b"1") + with pytest.raises(IncorrectPadding): + encryptor.finalize() + + decryptor = cipher.decryptor() + decryptor.update(b"1") + with pytest.raises(IncorrectPadding): + decryptor.finalize() |