| 摘要 |
PURPOSE:To prevent the execution of copied software in the other information processor by permitting the conversion means of a execution preventing device corresponding to supplied software by one to one to convert prescribed data supplied from the processor and executing supplied software based on the converted result. CONSTITUTION:The conversion circuit 222 of the execution preventing device 220 supplied together with supply software converts data from the information processor 210 by a method corresponding to supplied software. When the converted result by the conversion circuit 222 agrees with identification information of supplied software, CPU 211 in the information processor 210 executes supplied software. Thus, the execution of copied supplied software in the other information processor can be prevented. |
