\chapter{Cryptographic Services}\label{crypto}\index{cryptography} The modules described in this chapter implement various algorithms ofa cryptographic nature.  They are available at the discretion of theinstallation.  Here's an overview: \localmoduletable Hardcore cypherpunks will probably find the cryptographic moduleswritten by A.M. Kuchling of further interest; the package containsmodules for various encryption algorithms, most notably AES.  These modulesare not distributed with Python but available separately.  See the URL\url{http://www.amk.ca/python/code/crypto.html} for more information.\indexii{AES}{algorithm}\index{cryptography}\index{Kuchling, Andrew}