Modern History of Cryptography Techniques
Heather writes "The encryption scheme you rely on today might be full of holes just a few years down the road. Learn how far we've come in the last few decades, and why your apps need to be ready for change. This article builds on a previous article about Enigma, Germany's WWII-era encryption system."
Fiction, but still good:
Neal Stephenson - Cryptonomicon
Then to explain how Enoch Root lives so long, you'll need to read
Neal Stephenson - The Baroque Cycle Trilogy
I have been a user for about 10 years. This ends Feb 2014. The site's been ruined. I'm off. Dice, FU