Patent ID: 8146167

Claim:
A use management method for a peripheral device comprising: a step of providing a host apparatus with a normal operation processor and a first disparate secure processor; a step of providing a predetermined peripheral device connected to the host apparatus with a mechanism control processor and a second disparate secure processor, the predetermined peripheral device being a disc drive unit; a step of said host apparatus sending policy information defining use contents permissible for said predetermined peripheral device and key information identifying an application program for authorization to said peripheral device; a step of said host apparatus causing the application program operable on said host apparatus to read intrinsic information having substantially same content as the key information sent to said peripheral device; and a step of said peripheral device making a determination whether or not said application program gaining access to the peripheral device with said intrinsic information is valid by collating said intrinsic information with said received key information, and permitting said program to use the peripheral device according to said received policy information, if said program is determined to be valid.