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Method of implementing a key recovery system

  • US 20010036276A1
  • Filed: 07/02/2001
  • Published: 11/01/2001
  • Est. Priority Date: 09/16/1997
  • Status: Active Grant
First Claim
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1. A method of generating a recovery key encryption key (RKEK) in a secure manner by an integrated circuit and a key recovery escrow agent, which comprises the steps of:

  • generating by the integrated circuit a first number having a private component and a public component;

    generating by the escrow agent a second number having a private component and a public component;

    providing the public component of the first number to the escrow agent;

    providing the public component of the second number to the integrated circuit;

    conducting a mathematical operation by the integrated circuit using the private component of the first number, and the public component of the second number to create the RKEK; and

    conducting a mathematical operation by the escrow agent using the private component of the second number, and the public component of the first number to create the RKEK.

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