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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.
View certificate details—check authenticity
You can only be sure of the correct identity of a server
when the signature and the period of validity 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 details. When you open
certificate details, the validity of the certificate is
checked, and one of the following notes may be displayed:
Certificate not trusted—You have not set any application
to use the certificate. See "Change the trust settings," p.
106.
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.
Change the trust settings
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.
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.
Symbian installation: Yes—The certificate is able to
certify the origin of a new Symbian operating system
application.
Internet: Yes—The certificate is able to certify servers.
App. installation: Yes—The certificate is able to certify the
origin of a new Java
TM
application.
Select Options > Edit trust setting to change the value.
Security module
To view or edit a security module (if available) in Secur.
mod., select the module. To view detailed information
about a security module, select the module and Options >
Security details.
R1114_en.book Page 106 Thursday, October 19, 2006 3:43 PM