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Cloning protection for electronic equipment

  • US 20030061488A1
  • Filed: 09/25/2001
  • Published: 03/27/2003
  • Est. Priority Date: 09/25/2001
  • Status: Abandoned Application
First Claim
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1. A method for preventing cloning of an electronic device, said method comprising steps of:

  • generating a first electronic signature from a first identification code and a second identification code, the second identification code being suitable for uniquely identifying a hardware component of the electronic device;

    decrypting an encrypted electronic signature for generating a second electronic signature;

    comparing the first electronic signature and the second electronic signature; and

    departing from normal operation of the electronic device if the first electronic signature and the second electronic signature differ.

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