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York College of Pennsylvania - York College of Pennsylvania - ALL - Fall 2010 | ||
Section 101 | ||
 | The Codebreakers: The Comprehensive History of Secret Communication from Ancient Times to the Internet (Updated Edition) by David Kahn Hardcover, 1,200 Pages, Published 1996 ISBN-10: 0-684-83130-9 / 0684831309 ISBN-13: 978-0-684-83130-5 / 9780684831305 The 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. M | |