Schneier, Bruce Applied cryptography : protocols, algorithms, and source code in C / Bruce Schneier - 2nd ed. - New York: John Wiley & Sons, 1996 - xxiii, 758 p.: ill; 23 cm. Includes bibliographical references (p. 675 - 741) and index ISBN: 0471117099 Subjects--Topical Terms: Computer securityTelecommunication--Security measuresCryptography