Nokia 3110 User Guide - Page 67

Web Security module The security module improves security services for applications requiring a browser connection and allows you to use a digital signature. The security module may contain certificates as well as private and public keys. The certificates are saved in the security module by the service provider. To view or change the security module settings, select Menu > Settings > Security > Security module settings. Security > Authority certificates or User certificates. is displayed during a connection if the data transmission between the phone and the content server is encrypted. The security icon does not indicate that the data transmission between the gateway and the content server (or place where the requested resource is stored) is secure. The service provider secures the data transmission between the gateway and the content server. Certificates Digital signature Important: Even if the use of certificates makes the risks involved in remote connections and software installation considerably smaller, they must be used correctly in order to benefit from increased security. The You can create digital signatures with your phone if your SIM card has a security module. The digital signature is the same as signing your name to a paper bill, contract, or other document. existence of a certificate does not offer any protection To create a digital signature, select a link on a page (for by itself; the certificate manager must contain correct, example, the title of the book you want to buy and its authentic, or trusted certificates for increased security price). The text to be signed is shown and may include to be available. Certificates have a restricted lifetime. If the amount and date. "Expired certificate" or "Certificate not valid yet" is shown even if the certificate should be valid, check that the current date and time in your device are correct. Check that the header text is Read and that the digital signature icon is shown. If the digital signature icon does not appear, there is a security breach; do not There are three kinds of certificates: server certificates, enter any personal data (such as your signing PIN). authority certificates, and user certificates. You may receive these certificates from your service provider. To sign the text, read all of the text first, and select Authority certificates and user certificates may also be Sign. The text may not fit within a single screen. saved in the security module by your service provider. Therefore, make sure to scroll through and read all of the text before signing. To view the list of the authority or user certificates downloaded to your phone, select Menu > Settings > 67