ONETIME PASSWORD ISSUING DEVICE, PROGRAM, AND ONETIME PASSWORD ISSUING METHOD

摘要

PROBLEM TO BE SOLVED: To provide an onetime password issuing device capable of suppressing unjust authentication by a third person, and more improving the convenience of a user.;SOLUTION: A manager side device 7 is configured to, when receiving a password issue request from a server 5b (S9), extract one telephone number at random from among a plurality of assigned telephone numbers (S11), and to store in a database part the registration number information of the password issue request and onetime number information indicating the extracted telephone number in association with each other (S10, S13), and to notify a smart phone 3b of the onetime telephone number information (S12, S15, S16), and to, when telephone line connection is executed on the basis of the notified onetime number information (S17), determine whether or not the combination of the registration number information corresponding to the incoming call number of the telephone call and the onetime number information corresponding to the caller number is stored in the database part (S18), and to transmit the determination result to the server 5b (S19).;COPYRIGHT: (C)2015,JPO&INPIT