| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent incorrect authentication with stolen biometric authentication information which is properly obtained. <P>SOLUTION: The authentication device acquires a plurality of biometric authentication information and executes biometric authentication based on the plurality of biometric authentication information. An authentication part 20 determines, based on the similarity between reference information set based on biometric authentication information acquired and authenticated in advance among the plurality of biometric authentication information, and biometric authentication information acquired later among the plurality of biometric authentication information, that authentication fails when the similarity exceeds a predetermined similarity upper limit. <P>COPYRIGHT: (C)2010,JPO&INPIT |
