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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.
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, such as the title of
the book you want to buy and its price. The text to sign is displayed,
which may include the amount and date.
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.