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Systems communications with non-sensitive identifiers

  • US 10,325,261 B2
  • Filed: 11/25/2015
  • Issued: 06/18/2019
  • Est. Priority Date: 11/25/2014
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving, by a transaction processing computer, from a resource provider computer associated with a resource provider, an authorization request message for a transaction between a user and the resource provider, the authorization request message including, a transaction identifier that was generated by the resource provider computer, a resource provider identifier that was generated by the transaction processing computer, a primary account number associated with an account of the user, and at least one of a timestamp, a transaction amount, information about purchased items, geo-location information associated with the transaction, or a digital certificate associated with the resource provider;

    determining, by the transaction processing computer, an authorizing entity identifier associated with an authorizing entity based on the authorization request message;

    storing, by the transaction processing computer, a transaction record including the resource provider identifier, the transaction identifier, the authorizing entity identifier, and at least one of the timestamp, the transaction amount, the information about purchased items, the geo-location information associated with the transaction, or the digital certificate associated with the resource provider, wherein the primary account number is not stored;

    transmitting, by the transaction processing computer, the authorization request message to an authorizing entity computer associated with the authorizing entity identifier, wherein the authorizing entity computer authorizes the transaction based on the primary account number;

    receiving, by the transaction processing computer, an authorization response message including the resource provider identifier and the transaction identifier, and not including the primary account number;

    transmitting, by the transaction processing computer, the authorization response message to the resource provider computer;

    receiving, by the transaction processing computer, from the resource provider computer, a request for reversing the transaction, the request including the resource provider identifier, the transaction identifier, and at least one of the timestamp, the transaction amount, the information about purchased items, the geo-location information associated with the transaction, or the digital certificate associated with the resource provider, the request not including the primary account number, wherein the transaction is uniquely identified by a combination of the resource provider identifier and the transaction identifier;

    identifying, by the transaction processing computer, the transaction record based on the resource provider identifier and the transaction identifier;

    obtaining, by the transaction processing computer, the authorizing entity identifier from the transaction record; and

    forwarding, by the transaction processing computer, the request to the authorizing entity computer associated with the authorizing entity identifier, wherein the authorizing entity computer determines the primary account number based on the resource provider identifier and the transaction identifier, and wherein the authorizing entity computer approves of the transaction reversal.

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