Microsoft Corporation RM-2 User Manual
M e n u f u n c t i o n s
120
•
Change module PIN
to change the module PIN, if allowed by the
security module. Key in the current module PIN code, then key in the
new code twice.
new code twice.
•
Change signing PIN
. Select the signing PIN that you want to change.
Key in the current PIN code, then key in the new code twice.
See also Access codes on page 13.
Certificates
There are three kinds of certificates: server certificates, authority
certificates and user certificates.
certificates and user certificates.
• The phone uses a server certificate to improve security in the
connection between the phone and the content server. The phone
receives the server certificate from the service provider before the
connection is established and its validity is checked using the
authority certificates that are saved on the phone. Server certificates
are not saved.
receives the server certificate from the service provider before the
connection is established and its validity is checked using the
authority certificates that are saved on the phone. Server certificates
are not saved.
The security indicator
is displayed during a connection if the data
transmission between the phone and the content server is encrypted.
• Authority certificates are used by some services, such as banking, for
checking the validity of other certificates. Authority certificates can
either be saved in the security module by the service provider, or they
can be downloaded from the network, if the service supports the use
of authority certificates.
either be saved in the security module by the service provider, or they
can be downloaded from the network, if the service supports the use
of authority certificates.
• User certificates are issued to users by a Certifying Authority. User
certificates are required, for example, to create a digital signature.
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