Chapter 44 Certificates
UAG Series User’s Guide
475
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 UAG.
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. The UAG
uses rsa-pkcs1-sha1 (RSA public-private key encryption algorithm and the SHA1 hash
algorithm). Some certification authorities may use rsa-pkcs1-md5 (RSA public-private
key encryption algorithm and the MD5 hash algorithm).
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 UAG 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.
Basic Constraint This field displays general information about the certificate. For example, Subject
Type=CA means that this is a certification authority’s certificate and “Path Length
Constraint=1” means that there can only be one certification authority in the
certificate’s path. This field does not display for a certification request.
MD5 Fingerprint This is the certificate’s message digest that the UAG calculated using the MD5
algorithm.
SHA1 Fingerprint This is the certificate’s message digest that the UAG calculated using the SHA1
algorithm.
Table 223 Configuration > Object > Certificate > My Certificates > Edit (continued)
LABEL DESCRIPTION
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