diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/cryptography/hazmat/backends/openssl/x509.py | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/cryptography/hazmat/backends/openssl/x509.py b/src/cryptography/hazmat/backends/openssl/x509.py index 80f32e29..eefcb20f 100644 --- a/src/cryptography/hazmat/backends/openssl/x509.py +++ b/src/cryptography/hazmat/backends/openssl/x509.py @@ -260,7 +260,9 @@ class _Certificate(object): def public_key(self): pkey = self._backend._lib.X509_get_pubkey(self._x509) - self._backend.openssl_assert(pkey != self._backend._ffi.NULL) + if pkey == self._backend._ffi.NULL: + raise ValueError("Certificate public key is of an unkonwn type") + pkey = self._backend._ffi.gc(pkey, self._backend._lib.EVP_PKEY_free) return self._backend._evp_pkey_to_public_key(pkey) |