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The Scandalous History of the Last Rotor Cipher Machine

Cars That Think

To decrypt the message, those same rotors and settings, along with those of the modificator, must be re-created in the receiver's identical machine. The HX-63 includes, in addition to the hand crank, a nickel-cadmium battery to run the rotor circuit and printer if no mains power is available. Nor are Apple Macs safe.