Nokia 7380 User Guide - Page 89
saved in the security module by the service provider, or they can
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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. The security icon does not indicate that the data transmission between the gateway and the content server (or place where the requested resource is stored) is secure. The service provider secures the data transmission between the gateway and the content server. • 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. • 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. Copyright © 2005 Nokia. All rights reserved. 89