diff options
| -rw-r--r-- | cryptography/hazmat/backends/openssl/backend.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/cryptography/hazmat/backends/openssl/backend.py b/cryptography/hazmat/backends/openssl/backend.py index d9d8458e..c28d2335 100644 --- a/cryptography/hazmat/backends/openssl/backend.py +++ b/cryptography/hazmat/backends/openssl/backend.py @@ -519,7 +519,7 @@ class Backend(object): assert group != self._ffi.NULL nid = self._lib.EC_GROUP_get_curve_name(group) - assert nid != 0 + assert nid != self._lib.NID_undef curve_name = self._lib.OBJ_nid2sn(nid) assert curve_name != self._ffi.NULL |