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Non-networked RFID-PUF authentication

  • US 8,683,210 B2
  • Filed: 11/20/2009
  • Issued: 03/25/2014
  • Est. Priority Date: 11/21/2008
  • Status: Active Grant
First Claim
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1. An integrated circuit comprising:

  • a sequence generator configured to generate a series of challenges;

    a hidden output generator configured to generate a series of hidden outputs, each hidden output a function of a corresponding challenge in the series of challenges;

    access control circuitry for preventing disclosure of the hidden outputs outside of the integrated circuit; and

    bit reduction circuitry configured to generate a response sequence including a plurality of response parts, each response part a function of a corresponding plurality of hidden outputs.

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