This section of ChipsWorld is (drum roll please) UNDER CONSTRUCTION.
There, I have all the web cliches out of my system and now we return to your regularly scheduled content:
I, Chris Chiapusio, am Known Arms Trafficker #6038
Although its primary purpose is not cryptography, Distributed.Net provides an opportunity for you to assist in brute-forcing certain algorithms. Cryptographic algorithms that are designed with a finite keyspace (albiet huge) are potential targets for Distributed.Net's network of distributed computing. Please visit them, and get cracking!
If you need crypto software, you can try ftp.zedz.net. Failing that, I have a local mirror of some of the software that US citizens can use.
Here are some links to learn more about cryptography:
A Letter from senator conrad to the washington post.
Snake Oil FAQ
Electonic Privacy Information Center
Commercial Excryption Export Controls