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System for protecting sensitive data with distributed tokenization

  • US 8,595,850 B2
  • Filed: 02/01/2012
  • Issued: 11/26/2013
  • Est. Priority Date: 01/30/2012
  • Status: Active Grant
First Claim
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1. A method of generating a token using computing equipment associated with a token generating organization, comprising:

  • with the computing equipment, receiving a token request from a token requestor over a communications network, wherein the token request includes a number;

    with the computing equipment, mapping half of the number to a half-token;

    with the computing equipment, modifying the half-token;

    with the computing equipment, mapping the modified half-token to an additional half-token;

    with the computing equipment, modifying the additional half-token; and

    with the computing equipment, combining the modified half-token and the modified additional half-token to form the token.

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