Chú thích Máy_Enigma

  1. ↑ Singh, Simon (1999), The Code Book: The Science of Secrecy from Ancient Egypt to Quantum Cryptography, Luân Đôn: Fourth Estate, tr. 127, ISBN 1-85702-879-1 
  2. ↑ Hakim, Joy (1995). A History of Us: War, Peace and all that Jazz. New York: Oxford University Press. ISBN 0-19-509514-6. 
  3. 1 2 3 4 5 6 “Hành trình ly kỳ của cỗ máy mã hóa vĩ đại Enigma”. 
  4. 1 2 3 “Khám phá máy mã Enigma”. 
  5. 1 2 3 4 5 “Chiếc máy mật mã thần kỳ”. 
  6. ↑ Kahn (1991).
  7. ↑ Miller, A. Ray (2001), The Cryptographic Mathematics of Enigma (PDF), National Security Agency 
  8. ↑ Bletchley Park veteran and historian F.H. Hinsley is often cited as an authority for the two-year estimate, yet his assessment in Codebreakers is much less definitive: "Would the [Soviets] meanwhile have defeated Đức, or Germany the Soviets, or would there have been stalemate on the eastern fronts? What would have been decided about the atom bomb? Not even counter-factual historians can answer such questions. They are questions which do not arise, because the war went as it did. But those historians who are concerned only with the war as it was must ask why it went as it did. And they need venture only a reasonable distance beyond the facts to recognise the extent to which the explanation lies in the influence of Ultra." F.H. Hinsley, "Introduction: The Influence of Ultra in the Second World War," Codebreakers: The Inside Story of Bletchley Park, edited by F.H. Hinsley and Alan Stripp, Oxford University Press, 1993, pp. 12–13.
  9. ↑ Kahn (1991), Hinsley and Stripp (1993).
  10. ↑ “Chinh phục mật mã của Đức Quốc xã”. 
  11. ↑ “Mật mã Enigma chỉ được giải sau …64 năm”. 
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