The Lorenz cipher, also known as the Lorenz SZ40/42, was a cipher machine used by the German military during World War II for high-level communications. It was a more complex system than the simpler Enigma machine and was used for encrypting messages between high command and field units. The Lorenz cipher operated using a series of rotating wheels and was based on a binary system, where messages were encoded as a series of 5-bit binary numbers.
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