You’re trying to break the German Enigma machine. … It’s the greatest encryption device in history, and the Germans use it for all major communications. If the Allies broke Enigma—well, this would ...

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 ...

A formula used to turn ordinary data, or "plaintext," into a secret coded message known as "ciphertext." The ciphertext can reside in storage or travel over unsecure networks without its contents ...