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Removable cryptographic ignition key system and method

  • US 20040064720A1
  • Filed: 09/30/2002
  • Published: 04/01/2004
  • Est. Priority Date: 09/30/2002
  • Status: Active Grant
First Claim
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1. A system for conducting secure operations utilizing a removable cryptographic ignition key (CIK), said system comprising:

  • said removable CIK;

    a processor configured to receive said removable CIK;

    a proximity detector configured to determine if a distance between said removable CIK and said processor is within a predetermined distance, wherein said system is configured to;

    enable secure operations subsequent to said processor receiving said removable CIK;

    conduct secure operations while said removable CIK is within said predetermined distance of said processor; and

    disable secure operations when a distance between said removable CIK and said processor is greater than said predetermined distance.

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