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Impractical Python Projects
book

Impractical Python Projects

by Lee Vaughan
November 2018
Beginner content levelBeginner
424 pages
11h 43m
English
No Starch Press
Content preview from Impractical Python Projects

5ENCODING ENGLISH CIVIL WAR CIPHERS

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In 1587, Mary, Queen of Scots, lost her head due to a scrap of paper. Fifty-five years later, Sir John Trevanion, a supporter of another beheaded monarch, Charles the First, had his head saved by a scrap of paper. What made the difference? Steganography.

Steganography is the time-tested practice of concealing messages so well that their existence isn’t even suspected. The name is based on the Greek words for “covered writing,” and a very literal Grecian example was to take wax-covered wooden tablets used for writing, scrape off the wax, write on the wood, and then cover the board with a new coating of smooth ...

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Publisher Resources

ISBN: 9781492069454