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| author | Alex Stapleton <alexs@prol.etari.at> | 2013-12-21 15:16:57 +0000 |
|---|---|---|
| committer | Alex Stapleton <alexs@prol.etari.at> | 2013-12-21 17:12:05 +0000 |
| commit | 1b1327cfe537b9e7bdc271239d1025c2479239c3 (patch) | |
| tree | 8a27a12313c0ba6ab6b62757d1332e18bac2df9c /cryptography | |
| parent | 9b9318d79ba5927603b120411d13b607938cae56 (diff) | |
| download | cryptography-1b1327cfe537b9e7bdc271239d1025c2479239c3.tar.gz cryptography-1b1327cfe537b9e7bdc271239d1025c2479239c3.tar.bz2 cryptography-1b1327cfe537b9e7bdc271239d1025c2479239c3.zip | |
Raise UnsupportedAlgorithm when initing Hash()
Instead of just an AssertionError.
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 |