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The Codebreakers – The Story of Secret Writing (ISBN 0-684-83130-9) is a book by David Kahn, published in 1967, comprehensively chronicling the history of cryptography from ancient Egypt to the time of its writing. The United States government attempted to have the book altered before publication, and it succeeded in part.
David Kahn (February 7, 1930 – January 23, 2024) was an American historian, journalist, and writer. He wrote extensively on the history of cryptography and military intelligence . Kahn's first published book, The Codebreakers - The Story of Secret Writing (1967), has been widely considered to be a definitive account of the history of ...
In 1967, David Kahn in The Codebreakers described the 1944 capture of a Naval Enigma machine from U-505 and gave the first published hint about the scale, mechanisation and operational importance of the Anglo-American Enigma-breaking operation: The Allies now read U-boat operational traffic.
Created Date: 8/30/2012 4:52:52 PM
Kahn, David – The Codebreakers (1967) (ISBN 0-684-83130-9) A single-volume source for cryptographic history, at least for events up to the mid-'60s (i.e., to just before DES and the public release of asymmetric key cryptography). The added chapter on more recent developments (in the most recent edition) is quite thin.
David Kahn notes in The Codebreakers that modern cryptology originated among the Arabs, the first people to systematically document cryptanalytic methods. [15] Al-Khalil (717–786) wrote the Book of Cryptographic Messages, which contains the first use of permutations and combinations to list all possible Arabic words with and without vowels.
Mlecchita Vikalpa is the art of secret writing and secret communications. In The Codebreakers, a 1967 book by David Kahn about the history of cryptography, the reference to Mlecchita Vikalpa in Kamasutra is cited as proof of the prevalence of cryptographic methods in ancient India. Though Kamasutra does not have details of the methods by which ...
1967 – David Kahn's The Codebreakers is published. 1968 – John Anthony Walker walks into the Soviet Union's embassy in Washington and sells information on KL-7 cipher machine. The Walker spy ring operates until 1985. 1969 – The first hosts of ARPANET, Internet's ancestor, are connected.