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Cryptography, A Study on Secret Writings
by Andre Langie

Publisher: Aegean Park Press 1998
ISBN/ASIN: 0894120611
ISBN-13: 9780894120619
Number of pages: 192

Description:
This book is a classic in cryptographic literature. Text is divided into parts: Descriptions of the principal systems of cryptography; Examples of deciphering (cryptanalysis); Lists and tables with bibliography; plus an important section titled "The Playfair Cipher". This latter section is written by Lt. Commander W.W. Smith, U.S. Navy. Here the student is taken step-by-step through the solution of a Playfair Cipher problem.

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