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Method and system for secure distribution and utilization of data over a network

  • US 20080092220A1
  • Filed: 10/04/2007
  • Published: 04/17/2008
  • Est. Priority Date: 08/02/2001
  • Status: Abandoned Application
First Claim
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1. A method for distributing data over a network comprising:

  • establishing a secure connection between a client and a server;

    receiving a request from the client for data to be downloaded;

    generating a message associated with the data being downloaded to the client and associated with at least part of a distinguishing number for a portable token of the client and used by the client, the portable token being a physical device removeably coupleable to a client computer, the step of message generating comprising;

    including in the message a data identification number, including in the message a period of time for which the data may be used by the client, and including in the message a symmetrical key used to encrypt the data when distributing data from the server to the client over the network;

    and distributing the data and the associated message to the client.

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