network security

1. BASIC CONCEPTS

2. TYPES OF SECURITY ATTACKS

3. SECURITY SERVICES

4.  SUBSTITUTION TECHNIQUES- Monoalphabetic and ceser cipher with example

5. Substitution Techniques -Play fair cipher with examples

6. Substitution Techniques-Hill cipher with example

7.  feistel cipher/strucutre

8. Modes of operations

9. DES (dataencryption standard) algorithm

10. IDEA(International Data Encryption Standard) 

11. AES (Advanced Encryption Standard)

12. Blow fish algorithm

13. Cast 128 algorithm

14. Introduction to Number Theory

15.  fermat's theorem with solved examples

16. Euler's theorem and Euler's totient function with examples

17. Chinese remainder theorem with examples

18. Principlesof public key cryptography

19.  RSA algorithm

20. Diffie Hellman key exchange

21. Ellipticcurve cryptography & diffie helman key exchange