Security (Cryptography) Basics


  • What is and Why network security? 
  • What security services do we need? 
  • Cryptographic process 
  • Public key vs. Secret key scheme 
  • Digital signing, Tamper-proofing & Encrypting 
  • Security (Cryptographic) technologies 
  • Key distribution and management 
    • Kerberos, Certificate 
  • Security needs for E-commerce

Security/Cryptographic systems 

  • Focus of this talk 
    • Network security 
    • Distributed computing 
    • Protection of network-based apps, data, resource 
  • Will not cover 
    • Physical security 
    • Stand-alone system security 
    • Personnel issues 
    • Policy issues

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