Security Module; Restore Original Settings - Nokia N97 User Manual

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.
View certificate details — check authenticity
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.
You are notified if the identity of the server is not
authentic or if you do not have the correct security
certificate in your device.
To check the details of a certificate, select
Certificate details. The validity of the certificate is
checked, and one of the following notes may be
displayed:
Certificate not trusted
●
application to use the certificate.
Expired certificate — The certificate validity
●
period has ended.
Certificate not valid yet
●
period has not yet begun.
Certificate corrupted
●
used. Contact the certificate issuer.
Change the trust settings
Before changing any certificate settings, you must
make sure that you really trust the owner of the
Options
— You have not set any
— The certificate validity
— The certificate cannot be
certificate and that the certificate really belongs to the
listed owner.
To change the settings for an authority certificate,
select Options Trust
>
certificate, a list of the applications that can use the
selected certificate is shown. For example:
Symbian installation:
●
to certify the origin of a new Symbian operating
system application.
Internet: Yes — The certificate is able to certify
●
servers.
App. installation:
●
certify the origin of a new Java™ application.
To change the value, select
>
setting.

Security module

Select Menu Settings
>
mgmt. Security
>
To view or edit a security module (if available), select
it from the list.
To view detailed information about a security module,
select Options Security
>

Restore original settings

Select Menu Settings
>
mgmt. Factory
>
settings. Depending on the
Yes — The certificate is able
Yes — The certificate is able to
Options Change trust
>
and Phone Phone
>
Security module.
>
details.
and Phone Phone
>
settings.
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