View Certificate Details; Certificate Trust Settings; Security Modules - Nokia E51 User Manual

information. They should also be used if you want to
reduce the risk of viruses or other malicious software,
and to check the authenticity of software when you
download and install software to your device.
Tip: When you add a new certificate, check its
authenticity.

View certificate details

You can only be sure of the correct identity of a server
when the signature and the validity period of a server
certificate have been checked.
To view certificate details, select
One of the following notes may appear:
Certificate not trusted
•
application to use the certificate. You may want to
change the trust settings.
Expired certificate
•
ended for the selected certificate.
Certificate not valid yet
•
has not yet begun for the selected certificate.
Certificate corrupted
•
used. Contact the certificate issuer.

Certificate trust settings

Trusting a certificate means that you authorise it to
verify web pages, e-mail servers, software packages,
and other data. Only trusted certificates can be used to
verify services and software.
104
View details.
— You have not set any
— The period of validity has
— The period of validity
— The certificate cannot be
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.
To change the trust settings, select a certificate and
Options Trust settings. Select an application field
>
and press the scroll key to select
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
•
system application.
Internet — E-mail and graphics.
•
App. installation — New Java™ application.
•
Online certif. check — Online certificate status
•
protocol.

Security modules

Select Menu Tools
> >
Security Security module.
>
Yes or No. You cannot
— New Symbian operating
Settings General
> >