ET7010 CRYPTOGRAPHY AND NETWORK SECURITY

ET7010     CRYPTOGRAPHY AND NETWORK SECURITY 

UNIT I      SYMMETRIC CIPHERS

Overview – classical Encryption Techniques – Block Ciphers and the Data Encryption standard – Introduction to Finite Fields – Advanced Encryption standard – Contemporary Symmetric Ciphers – Confidentiality using Symmetric Encryption.

  

UNIT II    PUBLIC-KEY ENCRYPTION AND HASH FUNCTIONS

Introduction to Number Theory – Public-Key Cryptography and RSA – Key Management – Diffie-Hellman Key Exchange – Elliptic Curve Cryptography – Message Authentication and Hash Functions – Hash Algorithms – Digital Signatures and Authentication Protocols.  

UNIT III  NETWORK SECURITY PRACTICE

Authentication Applications – Kerberos – X.509 Authentication Service – Electronic mail Security – Pretty Good Privacy – S/MIME – IP Security architecture – Authentication Header – Encapsulating Security Payload – Key Management.  

UNIT IV  SYSTEM SECURITY

Intruders – Intrusion Detection – Password Management – Malicious Software – Firewalls – Firewall Design Principles – Trusted Systems. 

UNIT V   WIRELESS SECURITY

Introduction to Wireless LAN Security Standards – Wireless LAN Security Factors and Issues.   

        

TEXT BOOKS 

1.   William Stallings, “Cryptography And Network Security – Principles And        Practices”, Pearson Education, 3rd Edition, 2003.  

REFERENCES 

1. Atul Kahate, “Cryptography and Network Security”, Tata McGraw Hill, 2003. 

2. Bruce Schneier, “Applied Cryptography”, John Wiley and Sons Inc, 2001. 

3. Stewart S. Miller, “Wi-Fi Security”, McGraw Hill, 2003. 

4. Charles B. Pfleeger, Shari Lawrence Pfleeger, “Security In Computing”, 3rd Edition, Pearson Education, 2003. 

5. Mai, “Modern Cryptography:  Theory and Practice”, First Edition, Pearson         Education, 2003.