diff options
Diffstat (limited to 'src/OpenSSL/crypto.py')
| -rw-r--r-- | src/OpenSSL/crypto.py | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/OpenSSL/crypto.py b/src/OpenSSL/crypto.py index 8dec9a6..7f95d20 100644 --- a/src/OpenSSL/crypto.py +++ b/src/OpenSSL/crypto.py @@ -1367,7 +1367,10 @@ class X509: :return: ``True`` if the certificate has expired, ``False`` otherwise. :rtype: bool """ - time_string = self.get_notAfter().decode("utf-8") + time_string = self.get_notAfter() + if time_string is None: + raise ValueError("Unable to determine notAfter") + time_string = time_string.decode("utf-8") not_after = datetime.datetime.strptime(time_string, "%Y%m%d%H%M%SZ") return not_after < datetime.datetime.utcnow() |