Nokia 7200 User Manual

Also see for 7200: User guide Service manual

Contents

Nokia 7200 User Manual Manual pdf 73 page image

M e n u f u n c t i o n s62 Copyright © 2004 Nokia. All rights reserved.Press Menu and select Services,Settings, Security settings andSecurity module settings.Select Security module details, andModule PIN request to set the phoneto ask for the module PIN whenusing services provided by securitymodule, Change module PIN tochange the module PIN, if allowedby the security module, and Changesigning PIN.See also ”Access codes” on page viii.CertificatesThere are three kinds of certificates:server certificates, authoritycertificates and user certificates.You may receive these certificatesfrom your service provider. Authoritycertificates and user certificates mayalso be saved in the security moduleby the service provider.The security indicator isdisplayed during a connection, if thedata transmission between thephone and the content server isencrypted.Digital signatureYou can make digital signatures withyour phone. The signature can betraced back to you via the privatekey on the security module and theuser certificate that was used toperform the signature. Using thedigital signature can be the same assigning your name to a paper bill,contract or other document.To make a digital signature, select alink on a page, for example, the titleof the book that you want to buy andits price. The text to sign (possiblyincluding amount, date, etc.) will beshown.Check that the header text is Readand that the digital signature iconis shown. If the digitalsignature icon does not appear, thereis a security breach, and you shouldnot enter any personal data such asyour signing PIN.To sign the text, read all of the textfirst and then you can select Sign.The text may not fit within a singlescreen. Therefore, make sure to scrollthrough and read all of the textbefore signing. Select the usercertificate that you want to use. Keyin the signing PIN (see ”Accesscodes” on page viii) and press OK.The digital signature icon willdisappear, and the service maydisplay a confirmation of yourpurchase.