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This is a simulation of an 1938 Army M3 five-rotor military Enigma machine. Use the arrow keys to navigate between screens. Use the keyboard keys to interact with the machine's keyboard and plugboard. Use the number keys 1-5 to interact with the rotors. The rotors are above the keyboard, while the plugboard is below. If you're unfamiliar with the Enigma machine, the YouTube channel Numberphile has…
