Nokia 7600

Page 144
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2003 Nokia. All rights reserved.
144
• Authority certificates
Authority certificates are used by some online services, such as banking 
services, for checking the validity of other certificates. Authority certificates 
can be saved in the security module by the service provider, or they can be 
downloaded from the network, if the service supports the use of authority 
certificates.
• User certificates
User certificates are issued to users by a Certifying Authority. User certificates 
are needed, for example, to create a digital signature, and they associate the 
user with a specific private key in a security module.
 Important:
Note, however, 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 phone are correct.
Before changing these settings, you must make sure that you really trust 
the owner of the certificate and that the certificate really belongs to the 
listed owner. 
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