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To view the list of the authority or user
certificates downloaded into your phone,
select Menu > Settings > Security >
Authority certificates or User certificates.
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.
Digital signature
You can make digital signatures with
your phone if your SIM card has a
security module. Using the digital
signature can be the same as signing
your name to a paper bill, contract, or
other document.
To make 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 to sign, which may include the
amount and date, is shown.
Check that the header text is Read and
that the digital signature icon ( ) is
shown.
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.
To sign the text, read all of the text first,
and select Sign.
The text may not fit within a single
screen. Therefore, make sure to scroll
through and read all of the text before
signing.
Select the user certificate you want to
use. Enter the signing PIN (see “Access
codes”, p. 9), and select OK. The digital
signature icon disappears, and the
service may display a confirmation of
your purchase.
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