BIOLOGICAL INFORMATION STORING APPARATUS, BIOLOGICAL AUTHENTICATION APPARATUS, DATA STRUCTURE FOR BIOLOGICAL AUTHENTICATION, AND BIOLOGICAL AUTHENTICATION METHOD

A biological information storing apparatus includes: a biological information storing unit for storing biological information for authenticating reception of a first service; a biological information acquisition unit for acquiring biological information for authenticating reception of a second service different from the first service; and a determination unit for determining whether the biological information acquired by the acquisition unit and the biological information stored in the storing unit coincide with each other, wherein when the determination unit determines that the biological information acquired by the acquisition unit and the biological information stored in the storing unit coincide with each other, either the biological information acquired by the acquisition unit or the biological information stored in the storing unit is selected and stored into the storing unit as biological information for authenticating the reception of the first service and the second service.