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Challenge-response data communication protocol

  • US 20030065956A1
  • Filed: 09/28/2001
  • Published: 04/03/2003
  • Est. Priority Date: 09/28/2001
  • Status: Abandoned Application
First Claim
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1. A data communication method comprising:

  • sending an ID from a first component to a second component, said ID identifying said first component;

    sending a challenge from said second component to said first component, said challenge being based upon said ID;

    sending a response to said challenge, and a data element, from said first component to said second component if said first component validates said challenge, said response being based upon said data element; and

    accepting said data element at said second component if said second component validates said response.

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