Authorized Self-Study Guide Cisco IP Telephony (CIPT), Second Edition

Chapter 25. Understanding the Public Key Infrastructure

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This chapter covers the following topics:

• Describing the problem of secure, scalable distribution of public keys and presenting PKI as a solution

• Explaining the concept of a trusted introducer

• Explaining certificates, CAs, certification paths, certificate trust, and revocation lists

• Explaining the certificate enrollment procedure

• Explaining PKI certificate revocation

• Explaining the use of PKI in existing applications

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Cisco CallManager Release 4.0 and later supports many security features that are based on a Public Key Infrastructure (PKI) solution. In earlier releases, ...