A fascinating look at the core fundamentals of encryption...well worth the 10 minutes of your life to watch...at least in my opinion.
By Keith Shaw, April 25, 2012, 3:25 PM
A quick look at two mistakes made by German encryption methods
The wonderful "ArtOfTheProblem" YouTube channel has a great 10-minute video highlighting the encryption methods used during World War II, specifically focusing on the Enigma machine. While going through why the encryption is so difficult, the video then reveals two mistakes that German operators and the machine's designer made, allowing the Allies to crack the codes created by the device.
Any student of security and/or cryptography will enjoy this look at our past: