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And there is a lot of its history on the Code Book http://www.amazon.com/Code-Book-Science-Secrecy-Cryptography/dp/0385495323 http://www.amazon.com/Code-Book-Sc

by borga 17y ago

And there is a lot of its history on the Code Book http://www.amazon.com/Code-Book-Science-Secrecy-Cryptography/dp/0385495323 http://www.amazon.com/Code-Book-Science-Secrecy-Cryptography...