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![]() Date: 1999-11-04 02:36:09Rotor machines Music Combinatorics Enigma machine Marian Rejewski Parity of a permutation Reflector Alan Turing Cycle Mathematics Permutations Cryptography | Source URL: cryptocellar.web.cern.chDownload Document from Source WebsiteFile Size: 145,89 KBShare Document on Facebook |