Stallings, William. Cryptography and network security : principles and practice / William Stallings. - 6rd ed. - Upper Saddle River, N.J. : Prentice Hall, c2014. - xiv, 751 p. : ill. ; 24 cm. Includes bibliographical references and index. ISBN: 9780273793359 0273793357 Subjects--Topical Terms: Computer networks--Security measures.Data encryption (Computer science)Coding theory.Computer security. Dewey Class. No.: 005.8 / S W C