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Systems and methods for multifactor authentication

  • US 10,726,417 B1
  • Filed: 09/18/2012
  • Issued: 07/28/2020
  • Est. Priority Date: 03/25/2002
  • Status: Active Grant
First Claim
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1. A method of authenticating a transaction involving a user authentication device, a merchant, and an authentication entity system, the method comprising:

  • registering, by the authentication entity system, a sequence of position labels with a user identifier;

    receiving, by the authentication entity system, a transaction request from a merchant electronic device;

    storing, by the authentication entity system, the transaction request;

    generating, by the authentication entity system, a plurality of fields for the transaction request;

    assigning, by the authentication entity system, a position label to each field of the plurality of fields;

    assigning, by the authentication entity system, a character to each field of the plurality of fields;

    generating, by the authentication entity system, a first sequence using the assigned characters;

    displaying, by the authentication entity system, the first sequence on the user authentication device;

    receiving, by the authentication entity system, from the user authentication device, a second sequence and the user identifier, wherein the second sequence is a subset of the first sequence;

    retrieving, by the authentication entity system, the position label for each character in the second sequence;

    comparing, by the authentication entity system, the retrieved sequence of position labels to the registered sequence of position labels;

    determining, by the authentication entity system, that the retrieved sequence of position labels match the registered sequence of position labels; and

    based on the determining, authorizing, by the authentication entity system, the stored transaction request.

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