Applied Cryptography, Second Edition: Protocols, Algorithms, and Source Code in C
Book Website: http://www.schneier.com/book-applied.html
Publisher: John Wiley & Sons, Inc.
Publishing Date: 1996
ISBN: 0-471-12845-7 (cloth bound), 0-471-11709-9 (paper bound)
Dewey Code: QA76.9.A25S351996
Available from:[http://www.amazon.com/dp/0471117099/ Amazon.com],[http://product.half.ebay.com/Applied-Cryptography_W0QQprZ718395QQtgZinfo Half.com]
Sections of Interest
Section 6.4, pp. 139--147 Digital Cash