USER AUTHENTICATION CONTROL DEVICE, USER AUTHENTICATION DEVICE, DATA PROCESSING DEVICE, AND USER AUTHENTICATION CONTROL METHOD AND THE LIKE

摘要

It is an object to provide a user authentication control device, a user authentication device, a data processing device, and a user authentication control method and the like that control an authentication interval and an authentication effective period in accordance with a communication speed so as to make it possible to keep a balance between user convenience and safety. The user authentication device, which controls an authentication effective period for a user authentication device of a data processing device connected with a server device through a network, is provided with a band width acquiring means for acquiring a communication speed of the network and an effective period determining means for determining an effective period of the authentication in accordance with the communication speed.