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The security indicator is displayed during a WAP connection, if the data
transmission between the phone and the WAP gateway or WAP server
(identified by the IP address in the Edit active service settings) is encrypted.
However, the security indicator is not an indication that the data transmission
between the gateway and the content server (place where the requested
resource is saved) is secure. It is up to the service provider to secure the data
transmission between the gateway and the content server.
• Authority certificates
For using some WAP services, such as banking services, and for checking the
validity of other certificates, you need an authority certificate. You can
download the certificate from a WAP site, if the WAP service supports the use
of authority certificates. If you save the certificate, it is added to the certificate
list in the phone. Authority certificates may also be available in the security
module.
• User certificates
User certificates are issued to users by a Certifying Authority. User certificates
are required, for example, to create a digital signature and they associate the
user with a specific private key in a security module. User certificates are saved
in the security module by the service provider, or you can download them to
your phone from a WAP site, if supported by the security module of the SIM
card.