DATA STORAGE APPARATUS DATA PROCESSING SYSTEM OPERATING SYSTEM AND DATA PROCESSING METHOD

摘要

An embodiment of the present invention provides a data storage apparatus, data processing system, operating system, and data processing method to enable personal identification information for initialization with the excellent safety and convenience to be handled. According to the embodiment of the present invention, the data storage apparatus has a controller. The controller has a personal identification information management unit and personal identification information access control unit. The personal identification information management unit manages both first personal identification information having only the authority to request the invalidation of data and deactivation of a data protection function and second personal identification information to which the authority to set the first personal identification information is authorized. The personal identification information access control unit permits the setting of the first personal identification information if the authentication by the second personal identification information is successful and the first personal identification information is an initial value or data protection function is deactivated and prohibits the acquisition of the first personal identification information even if the authentication is successful by any personal identification information.