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Acrobat 9 Family of Products
Validating Signatures
Security Feature User Guide
Troubleshooting an Identity Problem 117
7.5.1.2 Displaying the Signer’s Certificate
When a certificate is displayed in the certificate viewer, you can check certificate validity, trust settings,
associated policies, and other details that help you establish the owner’s identity. The Certificate Viewer
provides six tabs that displays certificate data and allows you to manage that certificate (
Table 12
).
1. Choose
Advanced
(Acrobat) or
Document
(Reader)
> Manage Trusted Identities
.
2. Choose
Certificates
in the
Display
drop-down list.
Note:
In addition to this method, you can also display the certificate from any signature or certificate
security method workflow where a
Show Certificate
or
Certificate Details
button appears.
3. Select the certificate.
4. Choose
Show Certificate
. The Certificate Viewer displays the certificate. (
Figure 84
). The following
details are available:
Left hand panel
: The certificate chain.
Bottom area
: A description of the certificate, path validity statement, path validation time, and
sometimes the type of validation.
Summary tab
: Owner, issuer, validity period, intended usage. An
Export
button allow users to
export the certificate to a file.
Details tab
: Lists all the certificate fields (extensions) and their values.
Revocation tab
: Indicates whether a revocation check occurred and the result. Allows users to
initiate a manual check and analyze problems.
Trust tab
: Displays the certificates trust level. Provides an
Add to Trusted Identities
button that
allows the user to add the certificate to the trusted identity list and set its trust level.
Policies tab
: Displays policy restriction information for a signature to be valid, if any.
Legal Notice tab
: Displays other certificate policies and a button which links to that policy, if any.
Policies
Lists policy OIDs associated with this certificate,
if any. Describes the policy.
View policy details.
Legal Notice Displays a generic legal disclaimer, the
certificate issuer’s policy statement, issuer
notice, and link to the policy, if any.
If an issuer policy is used, the policy can be displayed.
Table 12 Certificate Viewer information
Tab
What it shows
What you can do