Introduction: A revolutionary cipher -- Cryptology before 1500: a bit of magic -- The black chambers: 1500-1776 -- Crypto goes to war: the American Revolution -- Crypto goes to war: the American Civil ...
It has been going on for thousands of years. Smart people build secret codes, and smarter people crack them. New codes are put forth, smarter cryptanalysts show up. This long-lasting battle of wits ...
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