(Code: 9780486200972)
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Thorough, systematic introduction to serious cryptography, especially strong in modern forms of cipher solution used by experts. Nihilist, grille, U. S. Army, key-phrase, multiple-alphabet, Gronsfeld, Porta, Beaufort, periodic ciphers and more. Simple and advanced methods. 166 specimens to solve with solutions.

Illustrations: -
Author: Gaines
Size: -
Format: Book
Copyright: -
ISBN 13: 9780486200972

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