Nokia 6510 User Manual

Also see for 6510: User guide Quick setup guide Support guide Support guide

Contents

Nokia 6510 User Manual Manual pdf 67 page image

M e n u f u n c t i o n sCopyright © 2004 Nokia. All rights reserved. 55To clear the cache memory whenno WAP connection is in progress• Press Menu, select Services, andClear the cache.To clear the cache memory when aWAP connection is in progress• Press Options and select Clearthe cache.Security indicatorIf the security indicator isdisplayed during a WAP connection,the data transmission between thephone and the WAP gateway or WAPserver (identified by the IP addressin the Edit active service settings) isencrypted.However, the security indicator doesnot indicate that the datatransmission between the gatewayand the content server (the locationwhere the requested resource isstored) is secure. It is up to theservice provider to secure the datatransmission between the gatewayand the content server.Security moduleThe security module providessecurity services for WAP relatedapplications, and allows the use ofthe phones digital signaturefunctionality. If present, the securitymodule is in the SIM card as anoptional service of your serviceprovider. The security module helpsto determine whether the cardcontent has not been maliciouslyread or modified. It can containcertificates, as well as private andpublic keys to operate thecertificates. The certificates arestored in the security module by SIMcard issuer or service provider.Digital signatureWith the digital signaturefunctionality you can, for example,digitally sign a bill or a financialcontract. The signature can betraced back to you via the privatekey and the associated certificatethat was used to perform thesignature, so signing using thedigital signature is the same assigning your name to a paper bill,contract or other document.A digital signature is initiated by acode embedded in a WAP page.Select a link, for example, the title ofthe book you want to buy and itsprice. The digital signatureprocedure starts and shows the textto sign. At this point the header textis Read and the digital signatureicon is shown.Note: If the digitalsignature icon does notappear, this means thatthere is a security breach,and you should not enterany personal data such asyour signing PIN.