Chapter 8: Network Security

It is true greatness to have in one the frailty of a man and the security of a god.

—Seneca

• Problem: Security Attacks
• 8.1 Trust and Threats
• 8.2 Cryptographic Building Blocks
  • 8.2.1 Principles of Ciphers
  • 8.2.2 Secret-Key Ciphers
  • 8.2.3 Public-Key Ciphers
  • 8.2.4 Authenticators
• 8.3 Key Predistribution
  • 8.3.1 Predistribution of Public Keys
  • 8.3.2 Predistribution of Secret Keys
  • 8.3.3 Diffie-Hellman Key Exchange
• 8.4 Authentication Protocols
  • 8.4.1 Originality and Timeliness Techniques
  • 8.4.2 Public-Key Authentication Protocols
  • 8.4.3 Secret-Key Authentication Protocols
• 8.5 Example Systems
  • 8.5.1 Pretty Good Privacy (PGP)
  • 8.5.2 Secure Shell (SSH)
  • 8.5.3 Transport Layer Security (TLS, SSL, HTTPS)
  • 8.5.4 IP Security (IPsec)
  • 8.5.5 Wireless Security (802.11i)
  • 8.5.6 Firewalls
• Perspective: Is Security Getting Worse or Better?