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This is the Internet version of the user's guide. © Print only for private use.
Setting up WAP and Email 61
To turn on a secure connection
1. Scroll to Connect,
WAP Options, WAP Profiles.
2. Select the profile to be used. Press
Edit.
3. Select Advanced,
Security.
4. Select On or Off.
Security module (Locks)
The security module is located on the SIM card, if
your network operator or service provider supplies
such a service. It can contain both certificates and
your private keys. The security module is protected
by a special access PIN and your phone asks you for
it when establishing a secure connection.
To enter the access PIN (for the security
module) and the signature PIN
•Scroll to Connect, WAP Options, Security,
Locks.
Digital signatures
You can sign a contract with your phone by entering
a digital signature PIN as if signing with a pen on
paper. Digital signature records can be traced back
to your private key through a certificate that is used
for signing a contract.
All transactions (signed contracts) made with
your phone when browsing are stored in your phone.
To check your contracts
•Scroll to Connect, WAP Options, Security,
Contracts.
Trusted certificates and Client certificates
To establish a secure connection when using certain
WAP services, for example banking or WAP shopping,
you need certificates in your phone.
• The different types of certificates are as follows:
1. Server certificates are used to identify a WAP
gateway to the phone and to show that it is certified
by a trusted authority. The server certificate is
checked against trusted certificates that are stored in
the phone or in a security module. If the phone
cannot verify the identity of a server, you are given
the option to terminate or continue the connection.
2. Trusted certificates are used to verify the WAP
gateway that you are trying to connect to. Your
phone may already contain trusted certificates when
you buy it. If you have a security module, it may also
contain trusted certificates. You can also download
trusted certificates from www.SonyEricsson.com.
3. Client certificates are located in a security module
together with your private keys. Client certificates
can be used to present your identity to a bank or
other services. They can also be used for digital
signatures.