×

RECEIPT SERVER, ELECTRONIC RECEIPT SYSTEM, AND PROGRAM

  • US 20170249612A1
  • Filed: 02/17/2017
  • Published: 08/31/2017
  • Est. Priority Date: 02/26/2016
  • Status: Abandoned Application
First Claim
Patent Images

1. An electronic receipt system comprising a point-of-sale (POS) terminal and a receipt server, whereinthe POS terminal is configured to:

  • perform a settlement transaction with respect to a transaction for a user,determine, based on a user setting, whether a digital authentication service should be applied to electronic receipt data corresponding to the settlement transaction,generate the electronic receipt data corresponding to the settlement transaction, wherein the electronic receipt data includes a user ID of the user and indicates whether the digital authentication service should be applied thereto, andtransmit the electronic receipt data to the receipt server, andthe receipt server is configured to;

    store the electronic receipt data received from the POS terminal,determine whether the electronic receipt data indicates that the digital authentication service should be applied thereto,when the electronic receipt data indicates that the digital authentication service should be applied thereto, request and receive a time stamp token (TST) from a time stamping authority server, wherein the TST is generated based on a hash of the electronic receipt data and a time of generation,when the TST is received, store the TST in association with the electronic receipt data, andin response to a request for certified electronic receipt data, transmit the electronic receipt data with the associated TST.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×