diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/cryptography/x509/__init__.py | 2 | ||||
| -rw-r--r-- | src/cryptography/x509/base.py | 5 |
2 files changed, 7 insertions, 0 deletions
diff --git a/src/cryptography/x509/__init__.py b/src/cryptography/x509/__init__.py index 968d29d0..feab4497 100644 --- a/src/cryptography/x509/__init__.py +++ b/src/cryptography/x509/__init__.py @@ -11,6 +11,7 @@ from cryptography.x509.base import ( InvalidVersion, RevokedCertificate, RevokedCertificateBuilder, Version, load_der_x509_certificate, load_der_x509_crl, load_der_x509_csr, load_pem_x509_certificate, load_pem_x509_crl, load_pem_x509_csr, + random_serial_number, ) from cryptography.x509.extensions import ( AccessDescription, AuthorityInformationAccess, @@ -113,6 +114,7 @@ __all__ = [ "load_der_x509_csr", "load_pem_x509_crl", "load_der_x509_crl", + "random_serial_number", "InvalidVersion", "DuplicateExtension", "UnsupportedExtension", 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 |