| # This file is dual licensed under the terms of the Apache License, Version | |
| # 2.0, and the BSD License. See the LICENSE file in the root of this repository | |
| # for complete details. | |
| from __future__ import absolute_import, division, print_function | |
| _default_backend = None | |
| def default_backend(): | |
| global _default_backend | |
| if _default_backend is None: | |
| from cryptography.hazmat.backends.openssl.backend import backend | |
| _default_backend = backend | |
| return _default_backend |