Copyright © 2003 Nokia. All rights reserved. 113Menu functionssecure. It is up to the service provider to secure the data transmission between the gateway and thecontent server.Browser securitySecurity features are needed for some WAP services, such as banking or shopping services on a WAPsite. For such connections you need security certificates and probably a security module which may beavailable on your SIM card. For more information, contact your service provider.Security moduleThe security module provides security services for WAP related applications, and allows you to usedigital signatures. The security module can contain user and/or authority certificates as well as privateand public keys. The certificates are saved in the security module by the SIM card issuer or the serviceprovider.Press Menu, and select Services, Settings and Security module settings. Select• Security module details to show the security module title, its status, manufacturer and serialnumber.• Change signing PIN to select the signing PIN you want to change.See also Access codes on page 14.CertificatesThere are three kinds of certificates; server certificates, authority certificates and user certificates.Authority certificates can either be saved in the security module by the SIM card issuer or serviceprovider, or they can be downloaded from a WAP page and be saved in the phone’s memory or on theSIM card. User certificates are saved in the security module by the SIM card issuer or the serviceprovider. Server certificates are not saved.
