Nokia 6555 User Manual

Also see for 6555 - Cell Phone 30 MB: User guide User guide User guide Brochure & specs User guide

Contents

Nokia 6555 User Manual Manual pdf 50 page image

M E d i a N e t50To view or change the security module settings, select Menu > Settings >Security > Security module sett.CertificatesImportant: Even if the use of certificates makes the risks involved inremote connections and software installation considerably smaller,they must be used correctly in order to benefit from increased security.The existence of a certificate does not offer any protection by itself; thecertificate manager must contain correct, authentic, or trusted certificates forincreased security to be available. Certificates have a restricted lifetime. IfExpired certificate or Certificate not valid yet is shown even if the certificateshould be valid, check that the current date and time in your device are correct.Before changing any certificate settings, you must make sure that you really trustthe owner of the certificate and that the certificate really belongs to the listedowner.There are three kinds of certificates: server certificates, authority certificates, anduser certificates. You may receive these certificates from your service provider.Authority certificates and user certificates may also be saved in the securitymodule by the service provider.To view the list of the authority or user certificates downloaded into your phone,select Menu > Settings > Security > Authority certificates or User certificates.is displayed during a connection, if the data transmission between thephone and the content server is encrypted.The security icon does not indicate that the data transmission between thegateway and the content server (or place where the requested resource is stored)is secure. The service provider secures the data transmission between thegateway and the content server.Digital signatureYou can make digital signatures with your phone if your SmartChip card has asecurity module. Using the digital signature can be the same as signing yourname to a paper bill, contract, or other document.To make a digital signature, select a link on a page, for example, the title of thebook you want to buy and its price. The text to sign, which may include theamount and date, is shown.Check that the header text is Read and that the digital signature icon isshown.FCC DraftFCC Draft