CS6701 CRYPTOGRAPHY AND NETWORK SECURITY Syllabus Regulation 2017
CS6701 CRYPTOGRAPHY AND NETWORK SECURITY OBJECTIVES: The student should be made to: · Understand OSI security architecture and classical encryption techniques. · Acquire fundamental knowledge on the concepts of finite fields and number theory. · Understand various block cipher and stream cipher models. · Describe the principles of public key cryptosystems, hash functions and digital signature. UNIT I INTRODUCTION & NUMBER THEORY 10 Services, Mechanisms and attacks-the OSI security architecture-Network security model-Classical Encryption techniques (Symmetric cipher model, substitution techniques, transposition techniques, steganography).FINITE FIELDS AND NUMBER THEORY: Groups, Rings, Fields-Modular arithmetic- Euclid’s algorithm-Finite fields- Polynomial Arithmet...