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TRANSPARENTLY SECURING DATA FOR TRANSMISSION ON FINANCIAL NETWORKS

  • US 20080243701A1
  • Filed: 04/25/2008
  • Published: 10/02/2008
  • Est. Priority Date: 09/07/2004
  • Status: Active Grant
First Claim
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1. A method for processing token data for a transaction, the method comprising:

  • receiving a string of first token data from a token at a token reader;

    modifying a portion of the first token data and generating second token data, the second token data including modified token data;

    performing a mod 10 operation on the second token data and determining a mod 10 check digit that will cause a modulo arithmetic check of the second token data to yield the same result as the modulo arithmetic check would yield on the first token data; and

    inserting the mod 10 check digit in the second data string and forwarding the second data string for the transaction.

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