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References
- ↑ Bamford, James (1982). The Puzzle Palace: Inside the National Security Agency, America's Most Secret Intelligence Organization. Penguin. pp. 426–57.
- ↑ Markoff, John (9 August 1989). "Paper on Codes Is Sent Despite U.S. Objections". New York Times (Late Edition (East Coast)). New York, N.Y. p. A.16.
'The N.S.A. has bullied the academic community,' said George Davida, a computer scientist at the University of Wisconsin. 'This dispute is typical of the kinds of things that I have warned about. The N.S.A. does not want to see research into cryptography.'
- ↑ US 4202051,Davida, George I.&Wells, David L.,"Digital data enciphering and deciphering circuit and method",issued 1980-05-06
