diff options
| -rw-r--r-- | cryptography/hazmat/backends/openssl/backend.py | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/cryptography/hazmat/backends/openssl/backend.py b/cryptography/hazmat/backends/openssl/backend.py index 5d2fddc1..cb988ac9 100644 --- a/cryptography/hazmat/backends/openssl/backend.py +++ b/cryptography/hazmat/backends/openssl/backend.py @@ -1018,9 +1018,11 @@ class Backend(object): bn_ctx = self._lib.BN_CTX_new() assert bn_ctx != self._ffi.NULL bn_ctx = self._ffi.gc(bn_ctx, self._lib.BN_CTX_free) - self._lib.BN_CTX_start(bn_ctx) - yield bn_ctx - self._lib.BN_CTX_end(bn_ctx) + try: + self._lib.BN_CTX_start(bn_ctx) + yield bn_ctx + finally: + self._lib.BN_CTX_end(bn_ctx) def _ec_key_set_public_key_affine_coordinates(self, ctx, x, y): """ |