PAYMENT SYSTEM, PAYMENT DEVICE, TRANSACTION TERMINAL, PAYMENT MANAGEMENT METHOD AND PROGRAM
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United States of America Patent
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Issued Date -
Dec 8, 2016
app pub date -
Feb 2, 2015
filing date -
Feb 13, 2014
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Abstract
A payment system includes a first transaction terminal and a second transaction terminal which make a transaction, and a payment device which manages payments. The first transaction terminal has a first communication unit which transmits part of a digital certificate of the first transaction terminal to the second transaction terminal via a first communication path. The payment device has: a communication unit which receives the part of the digital certificate of the first transaction terminal from the first transaction terminal, and receives part of a digital certificate of the second transaction terminal and the part of the digital certificate of the first transaction terminal from the second transaction terminal, via a second communication path different from the first communication path; and an authentication unit which performs authentication of the first transaction terminal and the second transaction terminal based on the parts of the respective digital certificates of the first transaction terminal and the second transaction terminal.
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