System and method for preventing unauthorized access to electronic data

  • US 20020029347A1
  • Filed: 02/26/2001
  • Published: 03/07/2002
  • Est. Priority Date: 09/01/2000
  • Status: Active Grant
First Claim
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1. A system for preventing unauthorized access to electronic data on an electronic device, the system comprising:

  • a portable licensing medium configured to communicate with the electronic device and to store license data, the license data configured to be used by the electronic device to determine whether to allow access to the electronic data; and

    a registration authority configured to communicate with the electronic device, the registration authority having verification data for verifying the license data stored on the licensing medium, wherein the registration authority provides updated license data for the licensing medium.

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