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MCA 5 SEM. Subject: Network Security
UNIT - 1 Foundations of Cryptography and security Security trends, The OSI Security architecture Security attack, services and mechanism Ciphers and secret messages, Mathematical tools for cryptography, substitution techniques, modular arithmetic, Euclid's algorithm, finite fields, polynomial arithmetic.
UNIT - 2 Symmetric Cipher Symmetric cipher model, Design Principles of Block Ciphers, Theory of Block Cipher Design, Feistel cipher network structure, Data Encryption Standard (DES), Strength of DES Triple DES, Mode of operation. Advance encryption Standard (AES) Evaluation criteria of AES, AES cipher ,key distribution.
UNIT - 3 Public Key cryptography and Hash function Prime numbers and testing for primarily, factoring large numbers, Principles of public key cryptosystem, RSA algorithm. Key management, Diffie-Helman Key exchange, elliptic curve arithmetic, elliptic curve cryptography, Hash and Message authentication Code (MAC), Hash And MAC algorithms, Digital signature and Authentication protocol.
UNIT - 4 IP and Web security protocols Authentication application, Kerberos, Public key infrastructure. E-mail, Pretty Good Privacy (PGP), S/MIME. IP security, Web Security, Secure Socket layer (SSL) and Transport layer security, Secure Electronic Transaction (SET).
UNIT - 5 System Security Firewall, and Intrusion Detection system (IDS), Malicious Software.
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