Chapter 15: Key Management

Objectives of Chapter 15: To explain the need for a key-distribution center; to show how a KDC can create a session key; to show how two parties can use a symmetric-key agreement protocol to create a session key; to describe Kerberos as a KDC and an authentication protocol; to explain the need for certification authorities for public keys; to introduce the idea of a Public-Key Infrastructure (PKI) and explain some of its duties.