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Chapter 1. Overview of Red Hat Certificate System Subsystems
Every common PKI operation — issuing, renewing and revoking certificates; archiving and recovering keys; publishing CRLs and verifying certificate status — are carried out by interoperating subsystems within Red Hat Certificate System. The functions of each individual subsystem and the way that they work together to establish a robust and local PKI is described in this chapter.
1.1. Uses for Certificates
The purpose of certificates is to establish trust. Their usage varies depending on the kind of trust they are used to ensure. Some kinds of certificates are used to verify the identity of the presenter; others are used to verify that an object or item has not been tampered with.
For information on how certificates are used, the types of certificates, or how certificates establish identities and relationships, see Red Hat Certificate System Planning, Installation, and Deployment Guide.
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