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Linking public key of device to information during manufacture

  • US 20040030901A1
  • Filed: 02/03/2003
  • Published: 02/12/2004
  • Est. Priority Date: 08/04/2000
  • Status: Active Grant
First Claim
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1. A method in which information of a device that generates digital signatures is reliably identified, comprising the steps of:

  • (a) for each of a plurality of devices manufactured in an environment, (i) creating a public-private key pair within the environment, (ii) linking within the environment in a secure manner the public key with other information associated with the device, and (iii) before release of the device from the environment, storing the private key within the device for utilization in generating a digital signature for an electronic message; and

    (b) thereafter, when a said linked public key successfully authenticates a digitally signed message, identifying the other information associated with said linked public key as pertaining to the device to which belongs the private key utilized in digitally signing the message.

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