diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/cryptography/hazmat/backends/openssl/ec.py | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/cryptography/hazmat/backends/openssl/ec.py b/src/cryptography/hazmat/backends/openssl/ec.py index cfd559ae..16df37af 100644 --- a/src/cryptography/hazmat/backends/openssl/ec.py +++ b/src/cryptography/hazmat/backends/openssl/ec.py @@ -182,6 +182,11 @@ class _EllipticCurvePrivateKey(object): _Reasons.UNSUPPORTED_EXCHANGE_ALGORITHM ) + if type(peer_public_key.curve) is not type(self.curve): + raise ValueError( + "peer_public_key and self are not on the same curve" + ) + group = self._backend._lib.EC_KEY_get0_group(self._ec_key) z_len = (self._backend._lib.EC_GROUP_get_degree(group) + 7) // 8 self._backend.openssl_assert(z_len > 0) |