Network Security and Cryptography

This module covers the following topics:

• Fundamental Issues in Network Security: Different types of security attacks, defense approaches, security life cycle, security service classification and pervasive security mechanisms.
• Networking and Network Security: Network types and their threats and security threats in TCP/IP Layers.
• Secure Protocols: Different secured authentication protocols, Key distribution mechanisms, IPSec, and SSL/TLS.
• Wireless network security: Security mechanisms in GSM, UMTS and wireless LAN (WLAN).
• Tools for monitoring malicious activity or policy violations: Firewall and Intrusion Detection System (IDS).
• Information security and cryptography: Security Goals, Security Services and Security Mechanisms, Cryptography and its services to information security, Cryptography vs. steganography
• Symmetric-key cryptography: Traditional Symmetric Key Ciphers, Modern Symmetric Key Ciphers (DES & AES), Encipherment Modes and Cryptanalysis
• Asymmetric-key cryptography: Types of Asymmetric key cryptography algorithms (RSA and ECC) and their working principles with mathematical understanding and applications, cryptanalysis
• Data integrity and authentication: Cryptography Hash Algorithms and their operations, applications of hash, Message authentication code, Entity authentication
• Digital Signature and Public Key Infrastructure: Digital signature algorithms and their applications, Digital Certificate, Public Key Infrastructure, and its purpose