Sinopsis
This book teaches students how to analyze patterns though cryptography. Illustrates and explains how use a cipher to encrypt and decrypt simple substitution ciphers, poly-alaphabetic ciphers and transposition ciphers. Includes famous examples of encrypted messages about and by figures like Julius Caesar and Queen Elizabeth I.
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Reseña del editor
A brief history of cryptography also shows how to break simple ciphers by analyzing the patterns used to create them.
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