Abstract: In the present invention an authentication setting device (200) is equipped with an authentication setting unit (203) that transmits a setting request for requesting that device authentication information be set. An authentication execution device (300) is equipped with: an authentication information generation unit (312) which upon receiving the setting request sets the device authentication information; an authentication unit (309) which upon acquiring an authentication request outputs a collection request for requesting that device attribute information be collected; and a collection unit (308) which upon acquiring the collection request collects the device attribute information at the time of the acquisition of the collection request and outputs the collected device attribute information. Upon acquiring the device attribute information output from the collection unit (308) as device attribute information for use in authentication the authentication unit (309) performs authentication of the device on the basis of the acquired device attribute information for authentication and the device authentication information in order to determine whether or not the device can be authenticated.
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