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| author | David Benjamin <davidben@davidben.net> | 2018-05-12 15:07:21 -0400 |
|---|---|---|
| committer | Alex Gaynor <alex.gaynor@gmail.com> | 2018-05-12 15:07:21 -0400 |
| commit | 590692fe6a071b3c694ae8966b84b45ece9b1a07 (patch) | |
| tree | 9a41ccdca9bcb0feeffe172c2827f288ed28342d | |
| parent | 617825d026a933e355d644ba12a408c63b8fb20f (diff) | |
| download | cryptography-590692fe6a071b3c694ae8966b84b45ece9b1a07.tar.gz cryptography-590692fe6a071b3c694ae8966b84b45ece9b1a07.tar.bz2 cryptography-590692fe6a071b3c694ae8966b84b45ece9b1a07.zip | |
Check for CMAC_Init errors. (#4232)
| -rw-r--r-- | src/cryptography/hazmat/backends/openssl/cmac.py | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/cryptography/hazmat/backends/openssl/cmac.py b/src/cryptography/hazmat/backends/openssl/cmac.py index 5919017a..e20f66d3 100644 --- a/src/cryptography/hazmat/backends/openssl/cmac.py +++ b/src/cryptography/hazmat/backends/openssl/cmac.py @@ -36,10 +36,11 @@ class _CMACContext(object): self._backend.openssl_assert(ctx != self._backend._ffi.NULL) ctx = self._backend._ffi.gc(ctx, self._backend._lib.CMAC_CTX_free) - self._backend._lib.CMAC_Init( + res = self._backend._lib.CMAC_Init( ctx, self._key, len(self._key), evp_cipher, self._backend._ffi.NULL ) + self._backend.openssl_assert(res == 1) self._ctx = ctx |