Codes And Ciphers

56459ea8d69ca.jpg Author Collins
Isbn 9780521810548
File size 2.4 MB
Year 2006
Pages 192
Language English
File format EPUB
Category Cryptography

Book Description:

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.

 

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