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 ...

Divers scouring the Baltic Sea for discarded fishing nets have stumbled on the rarest of finds: an Enigma encryption machine used by the Nazis to encode secret messages during World War II. The ...

Machine Enigma and its coding system were designed and patented for both civil and military service by a German engineer Arthur Scherbius in February 1918. It was a ...

So-called encryption wars are nothing new. The debate over government and law enforcement access to encrypted material is rightly headline news today, but it's a battle that’s been fought time and ...

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 ...