AES, PGP, SSL, IPSEC and PKI
Public Key Infrastructure (PKI)
What is it?
- The “Trust” Structure for Public Key Applications
- Three Main Functional Components:
Certificate Authority (CA)
Repository for Keys, Certificates and Certificate Revocation Lists (CRLs) Usually based on Lightweight Directory Access Protocol
Management Function (Typically GUI)
Why do we care?
- Widely used in commercial applications
- Basis for global eCommerce
- Cornerstone for IP VPNs
Introduction to Encryption