101To view the list of the authority or user certificates downloaded intoyour phone, select Menu > Settings > Security > Authority certificatesor 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 the gatewayand the content server (or place where the requested resource is stored) is secure.The service provider secures the data transmission between the gateway and thecontent server.Digital signatureYou can make digital signatures with your phone if your SIM 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 ofthe book you want to buy and its price. The text to sign, which may includethe amount and date, is shown.Check that the header text is Read and that the digital signature iconis shown.If the digital signature icon does not appear, there is a security breach, andyou should not enter any personal data such as your signing PIN.To sign the text, read all of the text first, and select Sign.The text may not fit within a single screen. Therefore, make sure to scrollthrough and read all of the text before signing.Select the user certificate you want to use. Enter the signing PIN. The digitalsignature icon disappears, and the service may display a confirmation ofyour purchase.
