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21
MIDP 2.0 Security Model
SMS send
SMS receive
Access phonebook
Dial a call
CBS
Receive CBS
Record audio/video
Capture snapshot image
Access File System
The radio button messages will appear as follows and mapped to the permission types as
shown in the table below:
MIDP 2.0 Permission Types
Blanket
Session
Oneshot
No access
The above runtime dialog prompts will not be displayed when the protected function is set
to "Allowed" (or full access), or if that permission type is an option for that protected
function according to the security policy table flexed in the handset.
Trusted MIDlet Suites Using x.509 PKI
Using the x.509 PKI (Public Key Infrastructure) mechanism, the handset will be able to
verify the signer of the MIDlet suite and bind it to a protection domain which will allow the
MIDlet suite access to the protected API or function. Once the MIDlet suite is bound to a
protection domain, it will use the permission defined in the protection domain to grant the
MIDlet suite access to the defined protected APIs or functions.
The MIDlet suite is protected by signing the JAR file. The signature and certificates are
added to the application descriptor (JAD) as attributes and will be used by the handset to
verify the signature. Authentication is complete when the handset uses the root certificate
(found on the handset) to bind the MIDlet suite to a protection domain (found on the
handset).
95
"Send SMS?"
"Receive SMS?"
"Use Phonebook?"
"Make Phone Call?"
"Use CBS?"
"Receive CBS?"
"Record?"
"Video capture?"
"Using File?"
Dialog Prompts
"Always yes. Do not ask again."
"Yes, this is running."
"Only this operation. Ask me again."
"Not this operation. Ask me again."
"Not this running."
"No, always denied. Do not ask again."
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