This morning, I gave a talk at TrueNorth PHP. The talk was aimed at explaining the basics of Cryptography as needed for the average developer. It is intended to give a high level understanding of cryptography and cryptographic techniques. So, with no further adue, here's the slides:
Or view full screen at: http://ircmaxell.github.com/cryptography-presentation-tnphp/index.html.
Or on github at: https://github.com/ircmaxell/cryptography-presentation-tnphp