| 摘要 |
PURPOSE:To improve security in software sales by comparing permission information generated by a center with characteristic information and permitting the utilization of a software only when both attributes match. CONSTITUTION:An input characteristic detection means 2 analyzes the input characteristics of a user when the user inputs the utilization request of the software to an input means 1 provided in a software reproducing device, the input characteristic information analyzed by the input characteristic detection means 2 is converted in an information conversion means 3 and the characteristic information is generated. For that, the permission information received from the center 5 is compared with the characteristic information generated by the information conversion means 3 in a comparison means 4 and the execution of the software is permitted only when both attributes match. Thus, the security in the software sales is improved. |
