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 certificate details, scroll to a certificate,
and select
Options
Certificate
>
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
●
validity period has not yet begun.
Certificate corrupted
●
be 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
details. The
— You have not set any
— The certificate
— The certificate cannot
certificate and that the certificate really belongs to
the listed owner.
Scroll to an authority certificate, and select
Options
Trust
settings. Depending on the
>
certificate, a list of the applications that can use the
selected certificate is shown. For example:
Symbian
installation:
●
able to certify the origin of a new Symbian
operating system application.
Internet:
Yes
— The certificate is able to certify
●
servers.
App.
installation:
Yes
●
to certify the origin of a new Java application.
Select
Options
Edit trust setting
>
value.
Security module
Press
, and select
Tools
General
Security
>
>
To view or edit a security module (if available), scroll
to it, and press the scroll key.
To view detailed information about a security
module, scroll to it, and select
details.
Yes
— The certificate is
— The certificate is able
to change the
Settings
>
>
Security
module.
Options
Security
>
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