Certificates; Chapter 12 Certificates; Overview; What You Need To Know About Certificates - ZyXEL Communications P-793H User Manual

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H A P T E R

12.1 Overview

This chapter describes how your P-793H v2 can use certificates as a means of
authenticating clients. It gives background information about public-key
certificates and explains how to use them.
A certificate contains the certificate owner's identity and public key. Certificates
provide a way to exchange public keys for use in authentication.

Figure 84 Certificates Example

In the figure above, the P-793H v2 (Z) checks the identity of the notebook (A)
using a certificate before granting it access to the network.

12.1.1 What You Need to Know About Certificates

Certification Authority
A Certification Authority (CA) issues certificates and guarantees the identity of
each certificate owner. There are commercial certification authorities like
CyberTrust or VeriSign and government certification authorities. You can use the
P-793H v2 to generate certification requests that contain identifying information
and public keys and then send the certification requests to a certification
authority.
Certificate File Formats
The certification authority certificate that you want to import has to be in one of
these file formats:
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Certificates

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