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

  • US 20080098223A1
  • Filed: 10/04/2007
  • Published: 04/24/2008
  • Est. Priority Date: 08/02/2001
  • Status: Active Grant
First Claim
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1. A method of securely utilizing downloaded data comprising:

  • opening a media player;

    opening a data file;

    requesting a portable token from and used by a client, the portable token being a physical device removeably coupleable to a client computer;

    reading a distinguishing number from the token;

    verifying a digital message linking the data file to the token using the media player, the distinguishing number, and a private key in the token, wherein the digital message is required to access the data.

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