BANKING SYSTEM, CARD PAYMENT REQUEST AND APPROVAL METHOD FOR BANKING SYSTEM

摘要

The present invention relates to a banking system, a card payment request and an approval method for the banking system, comprising: a first hash generated based on reference information including at least one among a banking terminal model, software information, and card information; a banking terminal which transmits a card payment approval request to a banking server, wherein the card payment approval request is encrypted with the reference information for generating the first hash; and a banking server which receives and decodes the encrypted card payment approval request information transmitted from the banking terminal, and then approves the card payment approval request after the integrity is authenticated for the card payment approval request information. The objective of the present invention is to guarantee the integrity of information when card payment request information is transmitted to the banking server from the banking terminal and vice versa.