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System and method of bootstrapping a temporary public-key infrastructure from a cellular telecommunication authentication and billing infrastructure

  • US 7,107,248 B1
  • Filed: 09/11/2000
  • Issued: 09/12/2006
  • Est. Priority Date: 09/11/2000
  • Status: Expired due to Term
First Claim
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1. A method for ordering, authorizing, and delivering goods and services using a mobile station, comprising:

  • accessing a gateway by the mobile station and transmitting an identification code for mobile station to the gateway;

    verifying the identity of the mobile station by the gateway by accessing an authentication center of a cellular network and comparing mobile station generated variables computed by the mobile station with gateway generated variables computed by the gateway;

    verifying the legitimacy of the gateway by the mobile station by comparing the variables computed by the gateway with the variables computed by the mobile station;

    requesting a digital certificate by the mobile station from the gateway used to order and authorize a product or service from a service provider;

    delivering a digital certificate to the mobile station by the gateway when the identity of the mobile station have been verified;

    requesting a product or service from the service provider; and

    transmitting a digital signature by the mobile station accompanied by the digital certificate for a signature verification key as authorization to said service provider.

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