CREDIT CARD SETTLEMENT SYSTEM AND COMPUTER REDABLE RECORDING MEDIUM RECORDING CREDIT CARD SETTLEMENT PROGRAM

PROBLEM TO BE SOLVED: To execute the settlement of a case that a charged amount is not defined on a network at the time of a contract without changing a conventional secure credit card settlement protocol. SOLUTION: A card holder computer 100 is provided with a means for presenting (11) information...

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1. Verfasser: KANISHIMA KEN
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To execute the settlement of a case that a charged amount is not defined on a network at the time of a contract without changing a conventional secure credit card settlement protocol. SOLUTION: A card holder computer 100 is provided with a means for presenting (11) information obtained by adding the digital signature of the computer 100 to a charged amount from a merchant computer 200 to the computer 100 and information obtained by ciphering a credit card number inputted to the computer 100 by a payment gateway disclosed cipher key for a gateway computer 300 (hereafter these two information are referred to as I) to the computer 200 and a means for presenting (17) information including the I to the computer 300 when the computer 200 temporarily presents (13) information including the I to the computer 300, and after receiving a response that its authorization result is available, outputs an authorization request for the payment of the computer 100 in order to receive payment from the computer 100.