Communication & Network Security (C&NS)

Class Slides:

1. C&NS: Slide-1: Network Security Overview-"Traditional Cipher"

2.C&NS: Slide-2: Symmetric Key Cipher: Mono-alphabetic

3.C&NS: Slide-3: Symmetric Key Cipher: Poly-alphabetic

4.C&NS: Slide-4: Symmetric Key Cipher: Transposition

5.C&NS: Slide-5: Symmetric Key Cipher: Algebraic Structure

6.C&NS: Slide-6: Modern Symmetric Key Cipher

7.C&NS: Slide-7: Asymmetric Key Cipher: RSA

8.C&NS: Slide-8: Cryptographic Key Distribution System

9.C&NS: Slide-9: Network Security

10. Firewall

Matlab Codes:(Link)

1. knapsack crypto-system

2. RSA