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-rw-r--r--src/cryptography/hazmat/backends/openssl/hmac.py13
1 files changed, 6 insertions, 7 deletions
diff --git a/src/cryptography/hazmat/backends/openssl/hmac.py b/src/cryptography/hazmat/backends/openssl/hmac.py
index dcf2fbaf..ab1ad46f 100644
--- a/src/cryptography/hazmat/backends/openssl/hmac.py
+++ b/src/cryptography/hazmat/backends/openssl/hmac.py
@@ -20,10 +20,10 @@ class _HMACContext(object):
self._backend = backend
if ctx is None:
- ctx = self._backend._ffi.new("HMAC_CTX *")
- self._backend._lib.HMAC_CTX_init(ctx)
+ ctx = self._backend._lib.Cryptography_HMAC_CTX_new()
+ self._backend.openssl_assert(ctx != self._backend._ffi.NULL)
ctx = self._backend._ffi.gc(
- ctx, self._backend._lib.HMAC_CTX_cleanup
+ ctx, self._backend._lib.Cryptography_HMAC_CTX_free
)
evp_md = self._backend._lib.EVP_get_digestbyname(
algorithm.name.encode('ascii'))
@@ -44,10 +44,10 @@ class _HMACContext(object):
algorithm = utils.read_only_property("_algorithm")
def copy(self):
- copied_ctx = self._backend._ffi.new("HMAC_CTX *")
- self._backend._lib.HMAC_CTX_init(copied_ctx)
+ copied_ctx = self._backend._lib.Cryptography_HMAC_CTX_new()
+ self._backend.openssl_assert(copied_ctx != self._backend._ffi.NULL)
copied_ctx = self._backend._ffi.gc(
- copied_ctx, self._backend._lib.HMAC_CTX_cleanup
+ copied_ctx, self._backend._lib.Cryptography_HMAC_CTX_free
)
res = self._backend._lib.Cryptography_HMAC_CTX_copy(
copied_ctx, self._ctx
@@ -72,7 +72,6 @@ class _HMACContext(object):
)
self._backend.openssl_assert(res != 0)
self._backend.openssl_assert(outlen[0] == self.algorithm.digest_size)
- self._backend._lib.HMAC_CTX_cleanup(self._ctx)
return self._backend._ffi.buffer(buf)[:outlen[0]]
def verify(self, signature):