The Codebreakers: The Comprehensive History of Secret Communication from Ancient Times to the Internet
Writer: David Kahn
Published: 05 December 1996The magnificent, unrivaled history of codes and ciphers -- how they're made, how they're broken, and the many and fascinating roles they've played since the dawn of civilization in war, business, diplomacy, and espionage -- updated with a new chapter on computer cryptography and the Ultra secret.
Pages: 1200
ISBN: 0684831309
ISBN-13: 978-0684831305
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