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• The phone uses a server certificate to create a connection with improved
security to the content server. The phone receives the server certificate from
the content server before the connection is established and its validity is
checked using the authority certificates saved in the phone. Server certificates
are not saved.
The security indicator is displayed during a connection, if the data
transmission between the phone and the content server is encrypted.
• Authority certificates are used by some services, such as banking services, for
checking the validity of other certificates. Authority certificates can either 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.
To view the authority certificates, press Menu and select Services, Settings,
Security settings, Authority certificates and Certificate list.
• User certificates are issued to users by a Certifying Authority. User certificates
are required, for example, to make a digital signature and they associate the
user with a specific private key in a security module.
To view the user certificates, press Menu and select Services, Settings, Security
settings, User certificates and Certificate list.