1.. _crypto: 2 3********************** 4Cryptographic Services 5********************** 6 7.. index:: single: cryptography 8 9The modules described in this chapter implement various algorithms of a 10cryptographic nature. They are available at the discretion of the installation. 11Here's an overview: 12 13 14.. toctree:: 15 16 hashlib.rst 17 hmac.rst 18 secrets.rst 19