Does every kid go through a secret codes phase? It sometimes seems like it. When my daughter hit it, I was happy to dive deep into cryptology with her. I’m an enthusiastic puzzle-solver, particularly ...
Throughout human history, the desire to communicate in secret has driven some of the most brilliant minds to create increasingly complex systems of hidden language. Generals encoded battle plans, ...
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 ...
1. Introduction -- 2. From Julius Caesar to simple substitution -- 3. Polyalphabetic systems -- 4. Jigsaw ciphers -- 5. Two-letter ciphers -- 6. Codes -- 7. Ciphers for spies -- 8. Producing random ...
Does every kid go through a secret codes phase? It sometimes seems like it. When my daughter hit it, I was happy to dive deep into cryptology with her. I’m an enthusiastic puzzle-solver, particularly ...
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