Digital Signature - Nokia 5140i User Manual

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To view the list of the authority or
user certificates downloaded to your
phone, select
Menu
Settings
>
Security settings
Authority certificates
certificates.
The security indicator
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.
>
Web
>
>
or
User
is
Copyright © 2006 Nokia. All rights reserved.
To make a digital signature, select a
link on a page, for example, the title
of a book you want to buy and its
price. The text to sign, which may
include the price and date, is shown.
Check that the header text is
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 it all first and
select Sign.
The text may not fit within a single
screen. Therefore, make sure you
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. x), and select OK.
The digital signature icon
disappears, and the service may
display a confirmation of your
purchase.
W e b
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