Syllabus Cryptography and Network Security - (BC04001031) Total Credits L + T + (PR/2) Assessment Pattern and Marks Total Marks C Theory Tutorial / Practical ESE (E) PA / CA (M) PA / CA (I) ESE (V) 4 70 30 20 30 150 Unit No. Content 1. Introduction : Cyber Security, Information Security and Network Security, Security Objective, Challenges of Information Security, OSI Security Architecture, Security Attacks, Security Services, Security Mechanisms, Cryptography, Network Security, Trust and Trustworthiness, Standards. (Chapter - 1) 2. Symmetric Ciphers : Symmetric Cipher Model, Cryptography, Cryptanalysis and Brute-Force Attack, Substitution Techniques : Caesar Cipher, Monoalphabetic Ciphers, Playfair Cipher, Hill Cipher, Polyalphabetic Ciphers, One-Time Pad, Transposition Techniques, Stream Cipher and Block Cipher, Feistel Cipher Structure, Data Encryption Standard (DES) Encryption, Advance Encryption Standard (AES) Encryption, Block Cipher Modes of Operation : ECB, CBC, CFB, OFB, CTR, Principal of Pseudorandom Number Generation, RC4. (Chapter - 2) 3. Asymmetric Ciphers : Public Key Cryptosystem, Applications for Public Key Cryptosystems, Requirements for Public key Cryptosystem, RSA Algorithm, Diffie Hellman Key Exchange Algorithm, Man-in-the-Middle Attack. (Chapter - 3) 4. Cryptographic Data Integrity : Application of Cryptographic Hash Functions : Message Authentication and Digital Signatures, Secure Hash Algorithm (SHA), Message Authentication Code (MAC), Requirements for Message Authentication Codes, HMAC, Pseudo Random Number Generation (PRNG) Using Hash Functions and MACs, Digital Signature Properties, Digital Signature Requirements. (Chapter - 4) 5. Network Security : Web Security Threads, Web Traffic Security Approaches, Transport Layer Security (TLS) Architecture, TLS Record Protocol, Alert Protocol, Handshake Protocol, SSL/TLS Attacks, Hyper Text Transfer Protocol Secure (HTTPS), Secure Shell (SSH). (Chapter - 5)
