Codes and Ciphers

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Codes and Ciphers

Codes and Ciphers

Name: Codes and Ciphers
ISBN: 9785304977012

Collins, U K

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All you need to know about making and breaking codes. Gem Codes and Ciphers touches on everything from the smoke signals used by Native American Indians to encryption devices used by government agencies and the military. Not only does this handy, pocket-sized book cover the history of the development of codes and ciphers, it also has practical information and advice on how to make codes and, more importantly, how to break them! Topics covered:

Native American smoke signals, Masonic signals, flags, and semaphore;

Morse code, Braille, ASCII computer language;

Letter substitution � mono- and poly-alphabetic;

Computer algorithms;

Codes and ciphers throughout history

Development of code-breaking devices such as the Enigma machine.

Рік:

2013

Видавництво:

HarperCollins Publishers

Мова:

english