The Hut Six Story: The Story of Breaking the Enigma Codes
A British mathematician who joined England's code breakers at the outbreak of World War II, throws new light on the breaking of Germany's Enigma Code and on other clandestine activities of the war
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able achieved activities AFAC Air Force aircraft Alastair Denniston attack battle Bletchley Park blitzkrieg bombe breaking British callsigns capabilities Chatham Chicksands cipher clerk cipher machine command communications system coordinated crib cryptanalytical cryptographic Decoding Room developed diagonal board Dilly Dilly Knox drums early enciphered encoded enemy Enigma keys Enigma machine Enigma message Enigma traffic equipment female Figure frequency German German Enigma German radio nets handle Hut 6 Ultra idea important in-out terminals indicator setting intercept operators intercept stations involved Jeffreys apparatus Josh Cooper JTIDs keyboard lampboard letter pairings Machine Room military MITRE Morse code North Vietnam organization planning Polybius square positions possible preamble problem procedures Registration Room ring settings Rommel scrambler scrambler unit sheets signals Sillies Soviet staff stecker steckerboard story success tactical teleprinter test register text setting thinking tion traffic register Travis Turing twenty-six U.S. Army umkehrwalze Vietnam Warsaw Pact wheel order Wrens