METHOD FOR REPORTING BROADCAST INFORMATION, MOBILE STATION, AND AUTHENTICATION ORGANIZATION SYSTEM

摘要

PROBLEM TO BE SOLVED: To prevent "Forwarding Attack". SOLUTION: A method for reporting broadcast information includes: a step in which each of a plurality of mobile stations UE obtains the location information related to the mobile stations UE and manages information related to the obtained location information; a step of reporting broadcast information provided with an electronic signature to each of the mobile stations UE; a step in which each of the plurality of mobile stations UE verifies the broadcast information by use of the electronic signature provided to the received multi-address information; a step in which each of the mobile stations UE, when the verifying is successful, compares location information contained in the broadcast information with the location information being managed; and a step in which each of the mobile stations UE performs processing in response to the broadcast information on the basis of the result of comparing. COPYRIGHT: (C)2010,JPO&INPIT