A team of divers found this rusted—but still recognizable—Enigma cipher machine at the bottom of the Baltic Sea. The Nazis used the device to encode secret military messages during WWII. World ...

The particularity of these cipher devices is that they shouldn't exist anymore. Not in one piece and certainly not functional. Because it was a state secret technology, utmost care was taken by German ...

This project by [Miro] is awesome, not only did he build a replica Enigma machine using modern technologies, but after completing it, he went back and revised several components to make it more usable ...

This sealogged Nazi machine will undergo restoration. German divers for the environmental group World Wildlife Fund were searching the ocean floor for abandoned nets threatening marine wildlife. What ...

1. Introduction -- 2. From Julius Caesar to simple substitution -- 3. Polyalphabetic systems -- 4. Jigsaw ciphers -- 5. Two-letter ciphers -- 6. Codes -- 7. Ciphers for spies -- 8. Producing random ...