Certifying authorization in computer networks

  • US 6,212,634 B1
  • Filed: 11/15/1996
  • Issued: 04/03/2001
  • Est. Priority Date: 11/15/1996
  • Status: Expired due to Term
First Claim
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1. A system for certifying authorizations, comprising:

  • an authorizing computer; and

    an authorized computer;

    the authorizing computer and the authorized computer being interconnected by a computer network;

    the authorizing computer being programmed to create a public key pair comprising a new public key and a new private key, to create an authorization certificate that certifies that a holder of the authorization certificate is authorized to perform an action referred to in the authorization certificate, the authorization certificate comprising the new public key, and to cause the authorization certificate and the new private key to be transmitted to the authorized computer;

    the authorized computer being programmed to receive the authorization certificate and the new private key and to decrypt messages using the new private key as evidence that the authorized computer has obtained the authorization certificate legitimately;

    wherein the action referred to in the authorization certificate that the holder of the authorization certificate is authorized to perform is operation of a program at the authorized computer, and the authorization certificate comprises a program fragment that enables the program at the authorized computer to function.

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