diff options
Diffstat (limited to 'src/cryptography/hazmat/backends/openssl/hashes.py')
| -rw-r--r-- | src/cryptography/hazmat/backends/openssl/hashes.py | 34 |
1 files changed, 19 insertions, 15 deletions
diff --git a/src/cryptography/hazmat/backends/openssl/hashes.py b/src/cryptography/hazmat/backends/openssl/hashes.py index 549fa2bf5..764dce0ed 100644 --- a/src/cryptography/hazmat/backends/openssl/hashes.py +++ b/src/cryptography/hazmat/backends/openssl/hashes.py @@ -18,19 +18,21 @@ class _HashContext(object): self._backend = backend if ctx is None: - ctx = self._backend._lib.Cryptography_EVP_MD_CTX_new() + ctx = self._backend._lib.EVP_MD_CTX_new() ctx = self._backend._ffi.gc( - ctx, self._backend._lib.Cryptography_EVP_MD_CTX_free + ctx, self._backend._lib.EVP_MD_CTX_free ) evp_md = self._backend._evp_md_from_algorithm(algorithm) if evp_md == self._backend._ffi.NULL: raise UnsupportedAlgorithm( - "{0} is not a supported hash on this backend.".format( - algorithm.name), - _Reasons.UNSUPPORTED_HASH + "{} is not a supported hash on this backend.".format( + algorithm.name + ), + _Reasons.UNSUPPORTED_HASH, ) - res = self._backend._lib.EVP_DigestInit_ex(ctx, evp_md, - self._backend._ffi.NULL) + res = self._backend._lib.EVP_DigestInit_ex( + ctx, evp_md, self._backend._ffi.NULL + ) self._backend.openssl_assert(res != 0) self._ctx = ctx @@ -38,9 +40,9 @@ class _HashContext(object): algorithm = utils.read_only_property("_algorithm") def copy(self): - copied_ctx = self._backend._lib.Cryptography_EVP_MD_CTX_new() + copied_ctx = self._backend._lib.EVP_MD_CTX_new() copied_ctx = self._backend._ffi.gc( - copied_ctx, self._backend._lib.Cryptography_EVP_MD_CTX_free + copied_ctx, self._backend._lib.EVP_MD_CTX_free ) res = self._backend._lib.EVP_MD_CTX_copy_ex(copied_ctx, self._ctx) self._backend.openssl_assert(res != 0) @@ -58,21 +60,23 @@ class _HashContext(object): # extendable output functions use a different finalize return self._finalize_xof() else: - buf = self._backend._ffi.new("unsigned char[]", - self._backend._lib.EVP_MAX_MD_SIZE) + buf = self._backend._ffi.new( + "unsigned char[]", self._backend._lib.EVP_MAX_MD_SIZE + ) outlen = self._backend._ffi.new("unsigned int *") res = self._backend._lib.EVP_DigestFinal_ex(self._ctx, buf, outlen) self._backend.openssl_assert(res != 0) self._backend.openssl_assert( outlen[0] == self.algorithm.digest_size ) - return self._backend._ffi.buffer(buf)[:outlen[0]] + return self._backend._ffi.buffer(buf)[: outlen[0]] def _finalize_xof(self): - buf = self._backend._ffi.new("unsigned char[]", - self.algorithm.digest_size) + buf = self._backend._ffi.new( + "unsigned char[]", self.algorithm.digest_size + ) res = self._backend._lib.EVP_DigestFinalXOF( self._ctx, buf, self.algorithm.digest_size ) self._backend.openssl_assert(res != 0) - return self._backend._ffi.buffer(buf)[:self.algorithm.digest_size] + return self._backend._ffi.buffer(buf)[: self.algorithm.digest_size] |