SYSTEM AND METHOD FOR AUTHENTICATION

摘要

PROBLEM TO BE SOLVED: To provide an authentication system by which a customer can utilize a service such as a point service even without carrying a plurality of identification cards and a store can perform the service such as the point service even without issuing an identification card. SOLUTION: A point management server device 10 manages electronic points, and the store terminal device 12 of the store and the portable telephone 14 of the customer are connected to the point management server device 10 through a communication line. The customer performs member registration in the server device 10 in advance by using the portable telephone 14, etc. The server device 10 issues a password to the portable telephone 14, receives the password acquired by the terminal device 12 from the customer and authenticates the customer in the store.