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System and method for secured configuration data for programmable logic devices

  • US 6,785,816 B1
  • Filed: 05/01/2000
  • Issued: 08/31/2004
  • Est. Priority Date: 05/01/2000
  • Status: Expired due to Term
First Claim
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1. A system for secured configuration data for a programmable device comprising:

  • at least one memory device, the at least one memory device storing configuration data comprising at least one configuration bitstream and an associated authentication tag for each at least one configuration bitstream, each authentication tag created using one associated at least one configuration bitstream;

    a programmable device operably connected to the at least one memory device, the programmable device receiving one of the at least one configuration bitstream, the programmable device using the associated authentication tag of the one of the at least one configuration bitstream to verify that the one of the at least one configuration bitstream is authentic, the programmable device loading the one of the at least one configuration bitstream if the one of the at least one configuration bitstream is authentic.

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