Chapter 16 Certificates
NWA/WAC/WAX Series User’s Guide
190
The following table describes the labels in this screen.
Table 78 Configuration > Object > Certificate > My Certificates > Edit
LABEL DESCRIPTION
Name This field displays the identifying name of this certificate. You can use up to 31 alphanumeric
and ;‘~!@#$%^&()_+[]{}’,.=-
characters.
Certification Path
This field displays for a certificate, not a certification request.
Click the Refresh button to have this read-only text box display the hierarchy of certification authorities that
validate the certificate (and the certificate itself).
If the issuing certification authority is one that you have imported as a trusted certification authority, it may be the
only certification authority in the list (along with the certificate itself). If the certificate is a self-signed certificate, the
certificate itself is the only one in the list. The Zyxel Device does not trust the certificate and displays “Not trusted” in
this field if any certificate on the path has expired or been revoked.
Refresh Click Refresh to display the certification path.
Certificate Information
These read-only fields display detailed information about the certificate.
Type This field displays general information about the certificate. CA-signed means that a
Certification Authority signed the certificate. Self-signed means that the certificate’s owner
signed the certificate (not a certification authority). “X.509” means that this certificate was
created and signed according to the ITU-T X.509 recommendation that defines the formats
for public-key certificates.
Version This field displays the X.509 version number.
Serial Number This field displays the certificate’s identification number given by the certification authority
or generated by the Zyxel Device.
Subject This field displays information that identifies the owner of the certificate, such as Common
Name (CN), Organizational Unit (OU), Organization (O), State (ST), and Country (C).
Issuer This field displays identifying information about the certificate’s issuing certification authority,
such as Common Name, Organizational Unit, Organization and Country.
With self-signed certificates, this is the same as the Subject Name field.
“none” displays for a certification request.
Signature
Algorithm
This field displays the type of algorithm that was used to sign the certificate.
Valid From This field displays the date that the certificate becomes applicable. “none” displays for a
certification request.
Valid To This field displays the date that the certificate expires. The text displays in red and includes
an Expired! message if the certificate has expired. “none” displays for a certification
request.
Key Algorithm This field displays the type of algorithm that was used to generate the certificate’s key pair
(the Zyxel Device uses RSA encryption) and the length of the key set in bits (1024 bits for
example).
Subject
Alternative
Name
This field displays the certificate owner‘s IP address (IP), domain name (DNS) or e-mail
address (EMAIL).
Key Usage This field displays for what functions the certificate’s key can be used. For example,
“DigitalSignature” means that the key can be used to sign certificates and
“KeyEncipherment” means that the key can be used to encrypt text.
Extended Key
Usage
This field displays for what EKU (Extended Key Usage) functions the certificate’s key can be
used.
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