Nokia E55 User Manual

Also see for E55: User guide Service schematics User guide Service manual User guide

Contents

Nokia E55 User Manual Manual pdf 127 page image

Certificate trust settingsSelect Menu > Ctrl. panel > Settings and General >Security > Certificate management.Trusting a certificate means that you authorise it toverify web pages, e-mail servers, software packages,and other data. Only trusted certificates can be used toverify services and software.Important: Even if the use of certificates makesthe risks involved in remote connections and softwareinstallation considerably smaller, they must be usedcorrectly in order to benefit from increased security.The existence of a certificate does not offer anyprotection by itself; the certificate manager mustcontain correct, authentic, or trusted certificates forincreased security to be available. Certificates have arestricted lifetime. If "Expired certificate" or "Certificatenot valid yet" is shown, even if the certificate shouldbe valid, check that the current date and time in yourdevice are correct.Before changing any certificate settings, you mustmake sure that you really trust the owner of thecertificate and that the certificate really belongs to thelisted owner.To change the trust settings, select a certificate andOptions > Trust settings. Scroll to an applicationfield, and press the scroll key to select Yes or No. Youcannot change the trust settings of a personalcertificate.Depending on the certificate, a list of applications thatcan use the certificate is displayed:• Symbian installation — New Symbian operatingsystem application.• Internet — E-mail and graphics.• App. installation — New Java application.• Online certif. check — Online certificate statusprotocol.View and edit securitymodulesSelect Menu > Ctrl. panel > Settings and General >Security > Security module.To view or edit a security module, select the modulefrom the list.To view detailed information about a security module,select Options > Security details.To edit the PIN codes for the security module, open themodule, and select Module PIN to edit the PIN code forthe security module or Signing PIN to edit the PIN codefor digital signatures. You may not be able to changethese codes for all security modules.The key store contains the contents of the securitymodule. To delete the key store, select Options >Delete. You may not be able to delete the key store ofall security modules.Remote configurationSelect Menu > Ctrl. panel > Phone > Devicemgr..127 Security and data management