Nokia 6820 User Guide - Page 163

Security module The security module can contain certificates as well as private and public keys. The security module may improve the security services for applications requiring browser connection, and allows you to use a digital signature. The certificates are saved in the security module by the service provider. Press Menu and select Services, Settings, Security settings and Security module settings. Select • Security module details to show the security module title, its status, manufacturer and serial number. • Module PIN request to set the phone to ask for the module PIN when using services that are provided by the security module. Key in the code and select On. To disable the module PIN request, select Off. • Change module PIN to change the module PIN, if allowed by the security module. Key in the current module PIN code, then key in the new code twice. • Change signing PIN. Select the signing PIN that you want to change. Key in the current PIN code, then key in the new code twice. See also Access codes on page 21. Certificates There are three kinds of certificates: server certificates, authority certificates and user certificates. • The phone uses a server certificate to improve security in the connection between the phone and the content server. The phone receives the server certificate from the service provider before the connection is established and Copyright © 2004 Nokia. All rights reserved. 163