Patent ID: 7500606

Claim:
A method of settling signatureless payment of a slip of bank card sales for mobile payment in a mobile terminal, by use of a method of confirming personal identification during payment settlement of a mobile terminal which is provided with an IC (Integrated Circuit) chip card, the signatureless payment settlement method comprising the steps of: (a) comparing a password of the IC chip card which is used for payment settlement and is input through the mobile terminal with a prestored password so as to be verified in the IC chip card; (b) producing an authentication value using an input password, a stored corresponding card issuing company key and card issuing information, and a random number which is produced in the IC card if both the passwords are same; (c) transmitting the produced authentication value and card information to a mobile payment settlement terminal in a card affiliated shop via the mobile terminal; (d) confirming validity of the card in a card inquiring machine (CAT) or the POS (Point of Sales) system if the produced authentication value and the card information have been transmitted via the mobile payment settlement terminal; and (e) printing the authentication value on a customer's signature column of a slip of sales as a personal authentication identification if it is approved to use a corresponding card in the result of the confirmation result.