Certificate Management - Nokia 5800 XpressMusic User Manual

In the offline or flight profiles, you may need to unlock the
device and change to the calling profile before making a call.
When calls are limited to closed user groups, calls may be
possible to the official emergency number programmed into
your device.

Certificate management

Select Menu Settings
>
Security Certificate management.
>
Digital certificates should be used if you want to connect to
an online bank or another site or remote server for actions
that involve transferring confidential information. They
should also be used if you want to reduce the risk of viruses
or other malicious software and be sure of the authenticity
of software when downloading and installing software.
Select from the following:
Authority certificates
●
certificates.
Trusted site certificates
●
certificates.
Personal certificates
●
certificates.
Phone certificates — View and edit device certificates.
●
Digital certificates do not guarantee safety; they are used to
verify the origin of software.
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 existence of
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and Phone Phone mgmt.
>
— View and edit authority
— View and edit trusted site
— View and edit personal
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.
To check the details of a certificate, select
Certificate details. The validity of the certificate is checked,
and one of the following notes may be displayed:
Certificate not trusted
●
application to use the certificate.
Expired certificate
●
ended.
Certificate not valid yet
●
has not yet begun.
Certificate corrupted
●
Contact the certificate issuer.
Change the trust settings
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.
Options
— You have not set any
— The certificate validity period has
— The certificate validity period
— The certificate cannot be used.
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