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About
This practical field manual is designed to teach combat and survival professionals, as well as hobbyists, the basic mechanics of enciphering and deciphering messages. Includes everything from the simplest paper-and-pencil ciphers to state-of-the-art computer systems used by governments and militaries.
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Editions
1 edition- Paperback · English · 1990Paladin Press · 136 pages · 9780873645645
Ciphers