Nokia 5228 - Certificate management

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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 — View and edit authority certificates.

Trusted site certificates — View and edit trusted site certificates.

Personal certificates — View and edit personal certificates.

Phone certificates — View and edit device certificates.


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Digital certificates do not guarantee safety; they are used to verify the origin of


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 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 Options > Certificate details. The

validity of the certificate is checked, and one of the following notes may be

Certificate not trusted — You have not set any application to use the certificate.

Expired certificate — The certificate validity period has ended.

Certificate not valid yet — The certificate validity period has not yet begun.

Certificate corrupted — The certificate cannot be used. Contact the certificate


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

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:


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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


To change the value, select Options > Change trust setting.