Elementary Military Cryptography

by William F. Friedman

Text provides a foundation for the study of cryptography. Written in simple, easy to understand language, text is divided into three General, Cipher Systems, Code Systems. Methods of preparing keys are illustrated. Errors and their corrections are discussed. Text sets forth a number of vital precautions to be observed in safeguarding cryptographic systems and cryptograms from enemy cryptanalysis.

90 pages, Paperback

First published December 1, 1976