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2005 Nokia. All rights reserved. 67
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 the new code twice.
See also ”Access codes” p. x.
Certificates
Important: Note that 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 > Web >
Settings > Security settings >
Authority certificates or User
certificates.
The security indicator is displayed
during a connection if the data
transmission between the phone and
the content server is encrypted.
The security icon does not indicate
that the data transmission between
the gateway and the content server
(or place where the requested
resource is stored) is secure. The
service provider secures the data
transmission between the gateway
and the content server.