ZyXEL GS-105I User Guide - Page 217

Certificates Overview, What You Need to Know, Local Certificates

Page 217 highlights

CHAPTER 20 Certificates 20.1 Certificates Overview The Zyxel 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. 20.1.1 What You Can Do in this Chapter • The Local Certificates screen lets you generate certification requests and import the Zyxel Device's CA-signed certificates (Section 20.4 on page 221). • The Trusted CA screen lets you save the certificates of trusted CAs to the Zyxel Device (Section 20.4 on page 221). 20.2 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 Zyxel Device to generate certification requests that contain identifying information and public keys and then send the certification requests to a certification authority. 20.3 Local Certificates Click Security > Certificates to open the Local Certificates screen. Use this screen to view the Zyxel Device's summary list of certificates, generate certification requests, and import the signed certificates. PX7511-B0 User's Guide 217

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PX7511-B0 User’s Guide
217
C
HAPTER
20
Certificates
20.1
Certificates Overview
The Zyxel 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.
20.1.1
What You Can Do in this Chapter
• The
Local Certificates
screen lets you generate certification requests and import the Zyxel Device's
CA-signed certificates (
Section 20.4 on page 221
).
• The
Trusted CA
screen lets you save the certificates of trusted CAs to the Zyxel Device (
Section 20.4 on
page 221
).
20.2
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 Zyxel Device to generate
certification requests that contain identifying information and public keys and then send the
certification requests to a certification authority.
20.3
Local Certificates
Click
Security >
Certificates
to open the
Local Certificates
screen. Use this screen to view the Zyxel
Device’s summary list of certificates, generate certification requests, and import the signed certificates.