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Security module
The security module improves security services for applications requiring a browser
connection, and allows you to use a digital signature. The security module may
contain certificates as well as private and public keys. The certificates are saved
in the security module by the service provider.
Select Menu > Web > Settings > Security settings > Security module settings
and one of the following options:
Security module details — to show the security module title, status, manufacturer,
and serial number.
Module PIN request — to set the phone to ask for the module PIN when using
services provided by the security module. Enter the code, and select On. To disable
the module PIN request, select Off.
Change module PIN — to change the module PIN, if allowed by the security module.
Enter the current module PIN code, then enter the new code twice.
Change signing PIN — to change the signing PIN code for the digital signature.
Select the signing PIN you want to change. Enter the current PIN code, then enter
the new code twice.
See also "Access codes" on page 17.
Certificates
Important: Note that 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.
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.
There are three kinds of certificates: server certificates, authority certificates, and
user certificates. You may receive these certificates from your service provider.
Authority certificates and user certificates may also be saved in the security module
by the service provider.