Microsoft Corporation RM-2 Benutzerhandbuch
M e n u f u n c t i o n s
121
Important: Note, however, 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.
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.
Important: 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 phone are correct.
certificate or Certificate not valid yet is shown even if the
certificate should be valid, check that the current date and time
in your phone are correct.
Important: Before changing these settings, you must make sure
that you really trust the owner of the certificate and that the
certificate really belongs to the listed owner.
that you really trust the owner of the certificate and that the
certificate really belongs to the listed owner.
Digital signature
You can create digital signatures with your phone. The signature can be
traced back to you via the private key in the security module and the
user certificate that was used to create the signature. Using the digital
signature may be considered to be equal to a normal signature on any
legal document.
traced back to you via the private key in the security module and the
user certificate that was used to create the signature. Using the digital
signature may be considered to be equal to a normal signature on any
legal document.
To create a digital signature, select a link on a page, for example the title
of the book you want to buy and its price. The text that needs to be
signed (possibly including amount, date, etc.) will be shown.
of the book you want to buy and its price. The text that needs to be
signed (possibly including amount, date, etc.) will be shown.
Check that the header text is
Read
and that the digital signature icon
is shown.
Note: If the digital signature icon does not appear, there is a
security breach and you should not enter any personal data
such as your signing PIN.
security breach and you should not enter any personal data
such as your signing PIN.
To add the digital signature to the text, read all of the text first and then
you can select
you can select
Sign
.
Note: The text may not fit on a single screen. Therefore, make
sure to scroll through and read all of the text before signing.
sure to scroll through and read all of the text before signing.
Select the user certificate that you want to use. Key in the signing PIN
(see Access codes on page 13) and press
(see Access codes on page 13) and press
OK
. The digital signature icon
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