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Digital certificate proxy

  • US 20030046544A1
  • Filed: 09/06/2001
  • Published: 03/06/2003
  • Est. Priority Date: 09/06/2001
  • Status: Active Grant
First Claim
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1. A computer-user authentication system, comprising:

  • a physical token that can be carried by a user and introduced to a secure computing platform;

    a long-term digital certificate disposed in the physical token; and

    a short-term digital certificate authorized by the long-term digital certificate and generated by said physical token when the physical token is proximate thereto.

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