Copyright2004 Nokia. All rights reserved. 158Digital signatureYou can create digital signatures with your phone. The signature can be tracedback to you via the private key in the security module and the user certificate thatwas used to create the signature. Using the digital signature may be considered tobe equal to a normal signature on any legal document.To create a digital signature, select a link on a page, for example, the title of thebook you want to buy and its price. The text that needs to be signed (possiblyincluding amount, date, etc.) will be shown.Check that the header text is Read and that the digital signature icon isshown.Note: If the digital signature icon does not appear, there is a securitybreach and you should not enter any personal data such as your signingPIN.To add the digital signature to the text, read all of the text first and then you canselect Sign.Note: The text may not fit on a single screen. Therefore, make sure toscroll through and read all of the text before signing.Select the user certificate that you want to use. Key in the signing PIN(see Access codes on page 16) and press OK. The digital signature icon willdisappear and the service may display a confirmation of your purchase.