Moserware: A Stick Figure Guide to the Advanced Encryption Standard (AES)
http://www.moserware.com/2009/09/stick-figure-guide-to-advanced.html
Advanced Encryption Standard (AES)
good explanation of AES Rijndael.jsCrypto
Encrypt data sentback to a server - quickly
We offer a fast, small symmetric encryption library written in Javascript. Though several such libraries exist, jsCrypto offers several advantages.