I wouldn't call myself an expert by any means, but I learned most of what little I do know from three sources: 1. Applied Cryptography by Bruce Schneier. 2. T

I wouldn't call myself an expert by any means, but I learned most of what little I do know from three sources: 1. Applied Cryptography by Bruce Schneier. 2. The Matasano Crypto Challenges: www.cryptopals.com 3. The Stanford cryptography courses taught by Dr. Boneh online (still waiting on the second one).