Network Security and Cryptography

Network Security and Cryptography, 2nd Edition, is a textbook that introduces core principles and techniques for protecting networked systems. Intended primarily for courses in computer science along with electronics and communication, the text covers foundational concepts in computer networks.

The volume addresses fundamental mechanisms such as classical cipher schemes, public key cryptography, authentication schemes, and Internet security. It also highlights security issues connected to emerging technologies.

In addition to academic instruction, the book functions as a reference and refresher for practicing professionals. Review questions at the end of each chapter provide self-assessment practice on key topics.