Nokia N80IE User Manual

Also see for N 80: User guide User guide Software guide Supplementary guide User guide

Contents

Nokia N80IE User Manual Manual pdf 110 page image

Tools110Certificate managementDigital certificates do not guarantee safety; they are usedto verify the origin of software.In the certificate management main view, you can see alist of authority certificates that are stored in your device.Press to see a list of personal certificates, if available.Digital certificates should be used if you want to connectto an online bank or another site or remote server foractions that involve transferring confidential information.They should also be used if you want to reduce the risk ofviruses or other malicious software and be sure of theauthenticity of software when downloading and installingsoftware.Important: Even if the use of certificates makes therisks involved in remote connections and softwareinstallation considerably smaller, they must be usedcorrectly in order to benefit from increased security. Theexistence of a certificate does not offer any protection byitself; the certificate manager must contain correct,authentic, or trusted certificates for increased security tobe available. Certificates have a restricted lifetime. IfExpired certificate or Certificate not valid yet is showneven if the certificate should be valid, check that thecurrent date and time in your device are correct.View certificate details—check authenticityYou can only be sure of the correct identity of a serverwhen the signature and the period of validity of a servercertificate have been checked.You are notified if the identity of the server is notauthentic or if you do not have the correct securitycertificate in your device.To check certificate details, scroll to a certificate, andselect Options > Certificate details. When you opencertificate details, the validity of the certificate is checked,and one of the following notes may be displayed:• Certificate not trusted—You have not set anyapplication to use the certificate. See ‘Change the trustsettings’, p. 110.• Expired certificate—The period of validity has endedfor the selected certificate.• Certificate not valid yet—The period of validity hasnot yet begun for the selected certificate.• Certificate corrupted—The certificate cannot be used.Contact the certificate issuer.Change the trust settingsBefore changing any certificate settings, you must makesure that you really trust the owner of the certificate andthat the certificate really belongs to the listed owner.