Forouzan, Behrouz A. Introduction to cryptography and network security / Behrouz A. Forouzan. - Boston : McGraw-Hill Higher Education, c2008. - xxvi, 721 p. : ill. ; 24 cm. ISBN: 9780072870220 0072870222 9780073327532 (set) 0073327530 (set) LCCN: 2006052665 LC Class. No.: TK5105.59 / .F672 2008 Dewey Class. No.: 005.8