INTRODUCTION TO ENCRYPTION STANDARD
Computer Security Concepts - The OSI Security Architecture-Security Attacks - A Model for Network Security - Symmetric Cipher Model - Substitution Techniques - Transposition Techniques – Block Cipher Principles - Data Encryption Standard (DES) - Example - Multiple Encryption and Triple DES - Stream Ciphers - RC4
Lab Practice:
1. Implementation of Classical Encryption Technique
2. Implementation of Substitution Ciphers and Symmetric Cryptosystems
3. Implementation of Data Encryption Standard (DES)
NUMBER THEORY AND PUBLIC KEY CRYPTOGRAPHY
Principles of Pseudorandom Number Generation - Pseudorandom Number Generators -Divisibility and the Division Algorithm - The Euclidean Algorithm - Modular Arithmetic - The Chinese Remainder Theorem - Principles of Public Key Cryptosystems - The RSA Algorithm - Diffie Hellman Key Exchange - ElGamal Cryptosystem
Lab Practice:
1. Implementation of Euclidean Algorithm
2. Implementation of RSA Algorithm
3. Implementation of Diffie - Hellman Key Exchange
HASH FUNCTION AND DIGITAL SIGNATURE
Cryptographic Hash Functions - Two Simple Hash Functions Requirements and Security - Hash Functions Based on Cipher Block Chaining - Secure Hash Algorithm (SHA) - Message Authentication Codes - Message Authentication Requirements - Message Authentication Codes - Security of MACs - MACs Based on Hash Functions (HMAC) - Digital Signatures - ElGamal Digital Signature Scheme - Schnorr Digital Signature Scheme - Digital Signature Standard (DSS)
Lab Practice:
1. Implementation of SHA and MAC
2. Implementation of Digital Signature
INTERACTIVE TECHNIQUES AND TOOLS
Key Management And Distribution - Symmetric Key Distribution Using Asymmetric Encryption - Distribution of Public Keys - X.509 Certificates - Public Key Infrastructure - User Authentication Protocols - Remote User Authentication Principles - Remote User Authentication Using Symmetric Encryption - Email Security Pretty Good Privacy (PGP) - S/MIME
Lab Practice:
1. Implementation of Steganography
2. Implementation of PGP and Public key Distribution
TRANSPORT LEVEL SECURITY AND SYSTEM SECURITY
Web Security Issues - Secure Sockets Layer (SSL) - Transport Layer Security (TLS) – HTTPS - Secure Shell (SSH) - IP Security Overview - Policy - Encapsulating Security Payload – Intruders - Intrusion Detection - Malicious Software – Viruses – Worms – Kerberos - Firewalls - The Need for Firewall - Types of Firewall - Firewall Configurations
Lab Practice:
1. Implementation of SSL
2. Implementation of SSH and TLS
Reference Book:
Behrouz A. Ferouzan, “Cryptography & Network Security”, 2nd Edition, Tata Mc Graw Hill, 2011
Man Young Rhee, “Internet Security: Cryptographic Principles”, “Algorithms and Protocols”, 2nd Edition, Wiley Publications, 2003
Charles Pfleeger, “Security in Computing”, 4th Edition, Prentice Hall of India, 2006
Ulysess Black, “Internet Security Protocols”, 2nd Edition, Pearson Education Asia, 2000
Text Book:
William Stallings, “Cryptography and Network Security”, 6th Edition, Pearson Education, 2013
Charlie Kaufman, Radia Perlman and Mike Speciner, “Network Security”, 2nd Edition, Prentice Hall of India, 2002
