Nokia 3610 fold Nokia 3610 fold User Guide in English - Page 48

Certificates, Digital signature, Settings, Security, Authority certificates - buy

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Certificates Important: 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. 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 device are correct. Before changing any certificate settings, you must make sure that you really trust the owner of the certificate and that the certificate really belongs to the listed owner. 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 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. 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. 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. The digital signature icon disappears, and the service may display a confirmation of your purchase. 47

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47
Certificates
Important:
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.
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
device are correct.
Before changing any certificate settings, you must make sure that you really trust the owner
of the certificate and that the certificate really belongs to the listed owner.
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 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.
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.
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. The digital signature icon
disappears, and the service may display a confirmation of your purchase.