The third part of my Python crypto saga is on the ActiveState blog.

Cryptlib: Peter Gutmann’s cryptlib library -- a powerful security toolkit that allows even inexperienced crypto programmers to easily add encryption and authentication services to their software. The high-level interface provides anyone with the ability to add strong security capabilities to an application in as little as half an hour, without needing to know any of the low-level details that make the encryption or authentication work...

Read the whole article here: http://blogs.activestate.com/2010/05/python-crypto-state-of-the-art-part-3/