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Break the Code: Cryptography for Beginners

Break the Code: Cryptography for Beginners

by Bud Johnson

Editorial: Dover Publications
ISBN: 9780486291468
Número de páginas: 80
Formatos: pdf, ePub, mobi, fb2
Tamaño de archivo: 2 Mb
Fecha de publicación: 2020-05-22
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Descripción

Veteran cryptographer's simply and clearly written how-to book provides youngsters 8 and up with all the information needed to decipher 56 secret messages. Funny cartoons and easy-to-follow instructions explain how to break six different codes, including simple letter grouping, reverse trail, shift code, key word code, date shift code and twisted path code. Examples and solutions. Read More Show Less