AUTHENTICATED WEB PAGE URL SERVICE DEVICE, WEB SERVICE PROVIDING SYSTEM, OPERATION METHOD FOR AUTHENTICATED WEB PAGE URL SERVICE DEVICE, AND OPERATION METHOD FOR WEB SERVICE PROVIDING SYSTEM

摘要

PROBLEM TO BE SOLVED: To solve a problem, in which in a common authentication technology such as OpenID(R), there is a possibility that, for example, an unknown blog server γ is operated by a malicious person and the reliability of an XRDS document returned therefrom is not assured or is difficult to assure.;SOLUTION: An authenticated web page URL service is provided, which comprises: an authenticated web page URL storage unit that stores a plurality of authenticated web page URLs in association with URL IDs; an URL ID reception unit that in response to a request from one service provider server, directly or indirectly receives the URL ID that is transmitted from another service provider server; an authenticated web page URL acquisition unit that obtains an authenticated web page URL from the URL storage unit by using the received URL ID; and an authenticated web page URL transmission unit that transmits the obtained authenticated web page URL to the one service provider.;COPYRIGHT: (C)2014,JPO&INPIT