Nokia 6085 Manual Del Usuario página 105

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Change signing PIN — to change the signing PIN code for the digital signature.
Select the signing PIN you want to change. Enter the current PIN code, then enter
the new code twice.
See also "Access codes," p. 11.
Certificates
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.
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.
There are three kinds of certificates: server certificates, authority certificates,
and user certificates. You may receive these certificates from your service provider.
Authority certificates and user certificates may also be saved in the security
module by the service provider.
To view the list of the authority or user certificates downloaded into your phone,
select Menu > Settings > Security > Authority certificates or User certificates.
The security indicator
between the phone and the content server is encrypted.
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is displayed during a connection, if the data transmission