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Identification Documents and Authentication of Such Documents

  • US 20070114788A1
  • Filed: 01/23/2007
  • Published: 05/24/2007
  • Est. Priority Date: 08/09/1995
  • Status: Active Grant
First Claim
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1. An apparatus to authentic an identification document, the identification document comprising first machine-readable information including a first plural-bit message, and semantic information carried on or in the identification document, said apparatus comprising:

  • a first reader to read the first machine-readable information to obtain the first plural-bit message;

    a second reader to obtain information from the semantic information carried on or in the identification document, a decryption unit to decrypt the first plural-bit message or the information obtained from the semantic information, a decision unit to determine whether the identification document is authentic based at least in part on the first plural-bit message and the semantic information.

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