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Authenticating a printed circuit board

United States Patent

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March 17, 2020
View the Complete Patent at the US Patent & Trademark Office
A computing module is described herein, wherein the computing module is configured to perform acts including generating a digital signature for a printed circuit board (PCB), wherein the digital signature is based upon a sensor signal generated by a sensor that is electrically coupled to at least one of a trace of the PCB or an electrical component of the PCB. The acts further include determining that the PCB is authentic and is free of tampering based upon the digital signature. The acts additionally include outputting an indication that the PCB is authentic and is free of tampering responsive to determining that the PCB is authentic and is free of tampering.
15/ 624,907
June 16, 2017
G06F 21/00 (20130101)H04L 29/06 (20060101)H04L 9/32 (20060101)G06F 21/72 (20130101)G06F 21/78 (20130101)
STATEMENT OF GOVERNMENTAL INTEREST This invention was made with Government support under Contract No. DE-NA0003525 awarded by the United States Department of Energy/National Nuclear Security Administration. The U.S. Government has certain rights in the invention.