| 摘要 |
A method (20) is described for the management of a service to be delivered, comprising the steps of:
- providing a user with a portable radio device (1) having first and second associated identifiers;
- providing a management apparatus (2, 5) to send enablement signals for the service delivery, which can be connected via radio to the portable device (1) and which stores said identifiers;
- authenticating (22) the portable device and/or the management apparatus before delivering the service. The method being characterized in that the authentication step comprises the steps of:
- decrypting (24) at the management apparatus the first identifier received in encrypted form from the portable device, and checking that it is stored at the management apparatus;
- digitally signing (23) said second identifier at the portable device or management apparatus and sending a relative digital signature;
- validating (25) said digital signature received at the management apparatus or portable device. |
