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Remote Authentication of an Object Using a Signature Encoded in a Number of Data Portions

  • US 20080016363A1
  • Filed: 09/28/2007
  • Published: 01/17/2008
  • Est. Priority Date: 05/18/2004
  • Status: Active Grant
First Claim
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1. A method of authenticating an object, the method including, in a computer system:

  • receiving from a sensing device, indicating data, the indicating data being generated in response to sensing of coded data provided on or in a surface associated with the object, the indicating data being indicative of;

    an identity of the object;

    a plurality of signature fragments, the signature being a digital signature of at least part of the identity;

    determining, using the indicating data, the identity and the plurality of signature fragments;

    determining, using the plurality of signature fragments, a determined signature;

    generating, using the determined signature and a key, a generated identity;

    comparing the identity to the generated identity; and

    , authenticating the object using the results of the comparison.

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