Certificates; Chapter 16 Certificates; Overview; What You Can Do In This Chapter - ZyXEL Communications PMG2006-T20A User Manual

16.1 Overview

The PMG2006-T20A can use certificates (also called digital IDs) to authenticate users. Certificates are
based on public-private key pairs. A certificate contains the certificate owner's identity and public key.
Certificates provide a way to exchange public keys for use in authentication.

16.1.1 What You Can Do in this Chapter

• Use the Local Certificates screen to generate certification requests and import the PMG2006-T20A's
CA-signed certificates
• Use the Trusted CA screen to save the certificates of trusted CAs to the PMG2006-T20A
on page

16.2 What You Need to Know

The following terms and concepts may help as you read through this chapter.
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. The certification authority uses its private key to sign certificates. Anyone can then use the
certification authority's public key to verify the certificates. You can use the PMG2006-T20A to generate
certification requests that contain identifying information and public keys and then send the
certification requests to a certification authority.

16.3 The Local Certificates Screen

Click Security > Certificates to open the Local Certificates screen. This is the PMG2006-T20A's summary
list of certificates and certification requests.
Figure 75 Security > Certificates > Local Certificates
(Section 16.4 on page
114).
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Certificates

114).
111
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(Section 16.4