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| author | Ayrx <terrycwk1994@gmail.com> | 2014-04-21 11:40:47 +0800 |
|---|---|---|
| committer | Ayrx <terrycwk1994@gmail.com> | 2014-04-22 12:12:41 +0800 |
| commit | 458cfd5df6902f4ee427fa0ca0eb67a8031b204c (patch) | |
| tree | 519cb24cf21d96ddec48337a40889e4584b82e02 /cryptography | |
| parent | 4b8628aa626413d41ebc976c1a097ca3f4e13959 (diff) | |
| download | cryptography-458cfd5df6902f4ee427fa0ca0eb67a8031b204c.tar.gz cryptography-458cfd5df6902f4ee427fa0ca0eb67a8031b204c.tar.bz2 cryptography-458cfd5df6902f4ee427fa0ca0eb67a8031b204c.zip | |
Changed stub keys and ivs to use null bytes
Diffstat (limited to 'cryptography')
| -rw-r--r-- | cryptography/hazmat/backends/openssl/backend.py | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/cryptography/hazmat/backends/openssl/backend.py b/cryptography/hazmat/backends/openssl/backend.py index 7cfdd284..11731133 100644 --- a/cryptography/hazmat/backends/openssl/backend.py +++ b/cryptography/hazmat/backends/openssl/backend.py @@ -556,8 +556,11 @@ class Backend(object): return self._ffi.buffer(buf)[:res] def cmac_algorithm_supported(self, algorithm): - return (backend._lib.Cryptography_HAS_CMAC == 1 - and backend.cipher_supported(algorithm, CBC(0))) + return ( + backend._lib.Cryptography_HAS_CMAC == 1 + and backend.cipher_supported(algorithm, CBC( + b"\x00" * algorithm.block_size)) + ) def create_cmac_ctx(self, algorithm): return _CMACContext(self, algorithm) |