Cryptography and Network Security Important Topics

Affiliated Colleges

CS6701 Cryptography and Network Security

UNIT I INTRODUCTION & NUMBER THEORY

OSI security architecture

Euclid‟s algorithm

The Chinese remainder theorem

UNIT II BLOCK CIPHERS & PUBLIC KEY CRYPTOGRAPHY

Advanced Encryption Standard (AES)

Public key cryptography

Elliptic curve arithmetic and cryptography.

UNIT III HASH FUNCTIONS AND DIGITAL SIGNATURES

Authentication requirement and function

Digital signature and authentication protocols

UNIT IV SECURITY PRACTICE & SYSTEM SECURITY

Types and Designs of Firewalls

Intrusion detection system

Practical implementation of cryptography and security

UNIT V E-MAIL, IP & WEB SECURITY

E-mail Security establishing keys privacy

IP Security Encapsulation Security Payload (ESP)

Encoding-Secure Electronic Transaction (SET)

MaplaBench