VMG1312-B Series User’s Guide 235
CHAPTER 19
Certificates
19.1 Overview
The Device can use certificat es ( also called digital I Ds) to authent icat e users. Cert ificat es are based
on public-privat e key pairs. A cert ificat e cont ains the cert ificat e ow ner ’s ident ity and public key.
Cert ificat es provide a way t o exchange public keys for use in authent icat ion.
19.1.1 What You Can Do in this Chapter
• The Local Cert ificat es screen let s you generat e certificat ion request s and im port the Device's
CA- signed certificat es (
Section 19.4 on page 239) .
• The Tr u ste d CA screen let s you save t he cert ificat es of trust ed CAs t o the Device (
Section 19.4
on page 239
) .
19.2 What You Need to Know
The following t erm s and concept s m ay help as you read through this chapt er.
Certification Authority
A Cert ificat ion Authority ( CA) issues cert ificat es and guarant ees t he ident it y of each certificat e
owner. There are com m ercial cert ificat ion authorit ies like CyberTrust or VeriSign and governm ent
cert ificat ion aut horities. The cert ificat ion authorit y uses its privat e key t o sign certificat es. Anyone
can t hen use the cert ificat ion aut hority's public key t o verify t he cert ificat es. You can use t he Device
to generat e cert ificat ion request s t hat contain ident ifying inform ation and public keys and then send
the certificat ion request s to a certificat ion authority.
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