| .. _crypto: | |
| ********************** | |
| Cryptographic Services | |
| ********************** | |
| .. index:: single: cryptography | |
| The modules described in this chapter implement various algorithms of a | |
| cryptographic nature. They are available at the discretion of the installation. | |
| On Unix systems, the :mod:`crypt` module may also be available. | |
| Here's an overview: | |
| .. toctree:: | |
| hashlib.rst | |
| hmac.rst |