Nokia N97 Nokia N97 User Guide in English and Spanish - Page 141
View certificate details - check authenticity, Change the trust settings, Symbian installation
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Settings ● Personal certificates - View and edit personal checked, and one of the following notes may be certificates. displayed: ● Phone certificates - View and edit device certificates. ● Certificate not trusted - You have not set any application to use the certificate. Digital certificates do not guarantee safety; they are ● Expired certificate - The certificate validity used to verify the origin of software. period has ended. ● Certificate not valid yet - The certificate validity Important: Even if the use of certificates makes the risks involved in remote connections and software installation considerably smaller, they must be used period has not yet begun. ● Certificate corrupted - The certificate cannot be used. Contact the certificate issuer. correctly in order to benefit from increased security. Change the trust settings The existence of a certificate does not offer any protection by itself; the certificate manager must contain correct, authentic, or trusted certificates for increased security to be available. Certificates have a restricted lifetime. If "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. View certificate details - check authenticity You can only be sure of the correct identity of a server when the signature and the validity period of a server certificate have been checked. You are notified if the identity of the server is not authentic or if you do not have the correct security certificate in your device. Before changing any certificate settings, you must make sure that you really trust the owner of the certificate and that the certificate really belongs to the listed owner. To change the settings for an authority certificate, select Options > Trust settings. Depending on the certificate, a list of the applications that can use the selected certificate is shown. For example: ● Symbian installation: Yes - The certificate is able to certify the origin of a new Symbian operating system application. ● Internet: Yes - The certificate is able to certify servers. ● App. installation: Yes - The certificate is able to certify the origin of a new Java™ application. To check the details of a certificate, select Options > Certificate details. The validity of the certificate is To change the value, select Options > Change trust 141 setting.