In addition, the rotors could be quickly rewired in the field, and input and output from the machine was accelerated via the use of punched paper tape. These features include the use of 10 rotors (each with 30 contacts), wheels rotating in opposite directions, and more frequent wheel stepping. However, the Fialka incorporates a number of different features from the Enigma that made it a much more daunting cipher-generating machine. Its development came after World War II and was based loosely on the German Enigma machine, with rotors moving to a new position each time a key is pressed, creating a new electrical circuit and an alphabetic substitution for the letter pressed. The Fialka is an electromechanical, wheel-based code-generating and decoding machine. An original Cold War-era Russian M-125 cipher machine, codenamed 'Fialka,' sold for $22,000 according to Boston-based RR Auction.
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