User Manual

Tools
105
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 will be notified on the phone display if the identity of the server is not authentic or if
you do not have the correct security certificate in your phone.
Options in the
certificate management
main view: Certificate
details, Delete, Trust
settings, Mark/Unmark,
Help, and Exit.
To check certificate details, scroll to a certificate, and select Options→ Certificate details.
When you open certificate details, Certificate management checks the validity of the
certificate, and one of the following notes may appear:
• Certificate not trusted - You have not set any application to use the certificate. See
‘Changing the trust settings’, p. 105.
• 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.
Changing 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. For
example:
• Symbian installation: Yes - The certificate is able to certify the origin of 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 new Java
application.
Select Options→ Edit trust setting to change the value.
R0915_en.book Page 105 Wednesday, September 15, 2004 12:14 PM