Hundreds of examples, as well as fully coded programs, round out a practical, hands-on approach which encourages students to test the material they are learning. Difficult math concepts are organized in appendices at the end of each chapter so that students can first learn the principles, then apply the technical background. A gentle introduction to the fundamentals of number theory is provided in the opening chapters, paving the way for the student to move on to more complex security and cryptography topics. Forouzan presents difficult security topics from the ground up. This edition also provides a website that includes Powerpoint files as well as instructor and students solutions manuals. Cryptography Network Security Behrouz Forouzan Author: mx.up.edu. Forouzan 2008 In this new first edition, well-known author Behrouz Forouzan uses his accessible. DATA COMMUNICATIONS AND NETWORKING, FOURTH EDITION. In this new first edition, well-known author Behrouz Forouzan uses his accessible writing style and visual approach to simplify the difficult concepts of cryptography and network security. Introduction to Cryptography and Network Security Behrouz A. Forouzan will find a wide variety of resources available at the.