TERMINAL DEVICE, PROVISION SERVER, ELECTRONIC INFORMATION UTILIZATION METHOD, ELECTRONIC INFORMATION PROVISION METHOD, TERMINAL DEVICE PROGRAM, PROVISION SERVER PROGRAM, INTERMEDIATE PROGRAM AND RECORDING MEDIUM

摘要

A device authentication system wherein authentication can be effectively performed in utilization of services via a network. A CE device (3) includes a browser (9) for accessing a service server (4) and an authentication module (7) for performing a device authentication by use of an authentication server (5). A device authentication plug-in (8) has a function for activating the authentication module (7) and can be determined by a predetermined MIME type. The browser (9), when receiving an EMBED tag having the MIME type, activates the device authentication plug-in (8).