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DATA PROTECTION AND CRYPTOGRAPHIC FUNCTIONS USING A DEVICE-SPECIFIC VALUE

  • US 20060271792A1
  • Filed: 06/01/2006
  • Published: 11/30/2006
  • Est. Priority Date: 04/16/2002
  • Status: Active Grant
First Claim
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1. A method comprising:

  • generating a digital value in an integrated circuit that substantially depends on circuit characteristics that vary among a plurality of like integrated circuits; and

    using the generated digital value, including accessing protected information in the integrated circuit.

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