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| author | Alex Gaynor <alex.gaynor@gmail.com> | 2013-12-21 10:38:58 -0800 |
|---|---|---|
| committer | Alex Gaynor <alex.gaynor@gmail.com> | 2013-12-21 10:38:58 -0800 |
| commit | 4447e5a72c6c5d4f3f8fc27711e094540d66ef67 (patch) | |
| tree | e83aaec9dac1c1cdcf8a0798d1eeac5f78f1e875 /cryptography | |
| parent | 72d3b80eeb5c31fb487f56f38f283b6416301ad9 (diff) | |
| parent | 1b1327cfe537b9e7bdc271239d1025c2479239c3 (diff) | |
| download | cryptography-4447e5a72c6c5d4f3f8fc27711e094540d66ef67.tar.gz cryptography-4447e5a72c6c5d4f3f8fc27711e094540d66ef67.tar.bz2 cryptography-4447e5a72c6c5d4f3f8fc27711e094540d66ef67.zip | |
Merge pull request #324 from public/unsupported-hash
Raise UnsupportedAlgorithm when initing Hash()
Diffstat (limited to 'cryptography')
| -rw-r--r-- | cryptography/hazmat/backends/openssl/backend.py | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/cryptography/hazmat/backends/openssl/backend.py b/cryptography/hazmat/backends/openssl/backend.py index 588a4273..5b7cb3de 100644 --- a/cryptography/hazmat/backends/openssl/backend.py +++ b/cryptography/hazmat/backends/openssl/backend.py @@ -400,7 +400,11 @@ class _HashContext(object): self._backend.lib.EVP_MD_CTX_destroy) evp_md = self._backend.lib.EVP_get_digestbyname( algorithm.name.encode("ascii")) - assert evp_md != self._backend.ffi.NULL + if evp_md == self._backend.ffi.NULL: + raise UnsupportedAlgorithm( + "{0} is not a supported hash on this backend".format( + algorithm.name) + ) res = self._backend.lib.EVP_DigestInit_ex(ctx, evp_md, self._backend.ffi.NULL) assert res != 0 |