Patent ID: 7773778

Claim:
An authentication apparatus comprising: detection means for detecting a plurality of authentication targets; registration authentication information acquisition means for acquiring a plurality of pieces of registration authentication information based on a detection of the plurality of authentication targets, wherein each of said plurality, of pieces of registration authentication information is unique to an authentication target, said plurality of pieces of registration authentication information being based on biological information obtained from different kinds of parts or the same kind of parts of a living body of a registered user; personal authentication information generation means for acquiring biological information from a part of the living body selected by the user to be authenticated, and then generating personal authentication information based on said biological information acquired; collation means for arranging a collation order, of said plurality of pieces of registration authentication information acquired, and then sequentially collating said plurality of pieces of registration authentication information with the personal authentication information in accordance with said collation order, wherein the collation order is based on an order the of authentication targets are detected by the detection means; and notification means for notifying an external section of said authentication target whose said registration authentication information corresponds to said personal authentication information as an authentication target successfully authenticated.