PMG5317-T20A User’s Guide
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CHAPTER 19
Certificates
19.1 Overview
The GPON Device 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.
19.1.1 What You Can Do in this Chapter
•Use the Local Certificates screen to generate certification requests and import the GPON
Device's CA-signed certificates (Section 19.4 on page 202).
•Use the Trusted CA screen to save the certificates of trusted CAs to the GPON Device (Section
19.4 on page 202).
19.2 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 GPON
Device to generate certification requests that contain identifying information and public keys and
then send the certification requests to a certification authority.
19.3 The Local Certificates Screen
Click Security > Certificates to open the Local Certificates screen. This is the GPON Device’s
summary list of certificates and certification requests.
Figure 110 Security > Certificates > Local Certificates
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