Cryptography and Network Security

Unit 1: Basic Principles

           Security Goals, Cryptographic Attacks, Services and Mechanisms, Mathematics of Cryptography

Unit 2: Symmetric Encryption

            Mathematics of Symmetric Key Cryptography, Introduction to Modern Symmetric Key Ciphers, Data Encryption Standard, Advanced Encryption Standard.

Unit 3: Asymmetric Encryption

            Mathematics of Asymmetric Key Cryptography, Asymmetric Key Cryptography

Unit 4: Data Integrity, Digital Signature Schemes & Key Management

            Message Integrity and Message Authentication, Cryptographic Hash Functions, Digital Signature, Key Management.

Unit 5: Network Security-I (Part-1 , Part-2)

            Security at application layer: PGP and S/MIME, Security at the Transport Layer: SSL and TLS

Unit 6: Network Security-II (Part-1 , Part-2)

            Security at the Network Layer: IPSec, System Security

CNS Question Bank for 1, 2 & 3 Units--------->>         Link

CNS Question Bank for 4, 5 & 6 Units--------->>         Link