diff options
Diffstat (limited to 'src/cryptography/hazmat/backends/openssl/x509.py')
-rw-r--r-- | src/cryptography/hazmat/backends/openssl/x509.py | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/cryptography/hazmat/backends/openssl/x509.py b/src/cryptography/hazmat/backends/openssl/x509.py index 9637fc0e..b870eeb7 100644 --- a/src/cryptography/hazmat/backends/openssl/x509.py +++ b/src/cryptography/hazmat/backends/openssl/x509.py @@ -16,6 +16,9 @@ from cryptography.hazmat.backends.openssl.decode_asn1 import ( _REVOKED_CERTIFICATE_EXTENSION_PARSER, _asn1_integer_to_int, _asn1_string_to_bytes, _decode_x509_name, _obj2txt, _parse_asn1_time ) +from cryptography.hazmat.backends.openssl.encode_asn1 import ( + _encode_asn1_int_gc +) from cryptography.hazmat.primitives import hashes, serialization from cryptography.hazmat.primitives.asymmetric import dsa, ec, rsa @@ -235,6 +238,22 @@ class _CertificateRevocationList(object): h.update(der) return h.finalize() + def get_revoked_certificate_by_serial_number(self, serial_number): + revoked = self._backend._ffi.new("X509_REVOKED **") + asn1_int = _encode_asn1_int_gc(self._backend, serial_number) + res = self._backend._lib.X509_CRL_get0_by_serial( + self._x509_crl, revoked, asn1_int + ) + if res == 0: + return None + else: + self._backend.openssl_assert( + revoked[0] != self._backend._ffi.NULL + ) + return _RevokedCertificate( + self._backend, self._x509_crl, revoked[0] + ) + @property def signature_hash_algorithm(self): oid = self.signature_algorithm_oid |