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Diffstat (limited to 'src/cryptography/x509/base.py')
| -rw-r--r-- | src/cryptography/x509/base.py | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/cryptography/x509/base.py b/src/cryptography/x509/base.py index 498ccbb9..ffa71916 100644 --- a/src/cryptography/x509/base.py +++ b/src/cryptography/x509/base.py @@ -6,6 +6,7 @@ from __future__ import absolute_import, division, print_function import abc import datetime +import os from enum import Enum import six @@ -723,3 +724,7 @@ class RevokedCertificateBuilder(object): ) return backend.create_x509_revoked_certificate(self) + + +def random_serial_number(): + return utils.int_from_bytes(os.urandom(20), "big") >> 1 |