Nokia 5130 XpressMusic Nokia 5130 XpressMusic User Guide in US English Spani - Page 31

Digital signature, Settings, Security, Authority certificates, User certificates - downloads

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t-zones There are three kinds of certificates: server certificates, authority certificates, and user certificates. You may receive these certificates from your service provider. Authority certificates and user certificates may also be saved in the security module by the service provider. 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 the 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, which may include the amount and date, is displayed. Check that the header text is Read and that the digital signature icon is displayed. 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. 31

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t-zones
31
There are three kinds of certificates: server certificates, authority certificates, and
user certificates. You may receive these certificates from your service provider.
Authority certificates and user certificates may also be saved in the security
module by the service provider.
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 the 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, which may include the amount and
date, is displayed.
Check that the header text is
Read
and that the digital signature icon
is
displayed.
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.