Nokia E75 - Manual (Page 137)

To view certificate details, open a certificate folder, and select
a certificate and Options > Certificate details .
One of the following notes may appear:
•
Certificate not trusted — You have not set any
application to use the certificate. You may want to change
the trust settings.
• Expired certificate — The period of validity has ended
for the selected certificate.
• Certificate not valid yet — The period of validity has not
yet begun for the selected certificate.
• Certificate corrupted — The certificate cannot be used.
Contact the certificate issuer.
Certificate trust settings
Select Menu > Control panel > Settings and General >
Security > Certificate management .
Trusting a certificate means that you authorize it to verify
web pages, e-mail servers, software packages and other data.
Only trusted certificates can be used to verify services and
software.
Important: Even if the use of certificates makes the
risks involved in remote connections and software
installation considerably smaller, they must be used correctly
in order to benefit from increased security. The existence of
a certificate does not offer any protection by itself; the
certificate manager must contain correct, authentic, or
trusted certificates for increased security to be available.
Certificates have a restricted lifetime. If "Expired certificate"
or "Certificate not valid yet" is shown, even if the certificate
should be valid, check that the current date and time in your
device are correct.
Before changing any certificate settings, you must make sure
that you really trust the owner of the certificate and that the
certificate really belongs to the listed owner.
To change the trust settings, select a certificate and
Options > Trust settings . Scroll to an application field, and
press the scroll key to select Yes or No . You cannot change
the trust settings of a personal certificate.
Depending on the certificate, a list of applications that can
use the certificate is displayed:
•
Symbian installation — New Symbian operating system
application.
• Internet — E-mail and graphics.
• App. installation — New Java application.
• Online certif. check — Online certificate status protocol.
View and edit security
modules
Select Menu > Control panel > Settings and General >
Security > Security module .
To view or edit a security module, select the module from the
list.
Security and data management
© 2008 Nokia. All rights reserved. 137