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 | Introduction to Cryptography (Undergraduate Texts in Mathematics) (2nd Edition) by Johannes A. Buchmann Paperback, 338 Pages, Published 2004 ISBN-10: 0-387-20756-2 / 0387207562 ISBN-13: 978-0-387-20756-8 / 9780387207568 Cryptography is a key technology in electronic key systems. It is used to keep data secret, digitally sign documents, access control, and so forth. Users therefore should not only know how its techniques work, but they must also be able to estimate their efficiency and security. Based on courses tau | |