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Non-intrusive data authentication systems and methods

United States Patent

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September 8, 2020
View the Complete Patent at the US Patent & Trademark Office
Systems and methods are disclosed that create a separate digital and cryptographically secure signal "branch" to a secondary observer from a primary signal path of an information system. The information system may be a measurement system. The secure signal branch is creating without interfering with the primary signal path. In such a manner, the secondary observer may authenticate reported data while not interfering with the signal of the information system.
15/ 813,427
November 15, 2017
G06F 21/60 (20130101)H04L 9/32 (20060101)G06F 21/82 (20130101)G06F 21/86 (20130101)G09C 1/00 (20060101)H04L 9/08 (20060101)
STATEMENT OF GOVERNMENT INTEREST The United States Government has rights in this invention pursuant to Contract No. DE-AC04-94AL85000 between the United States Department of Energy and Sandia Corporation, and Contract No. DE-NA0003525 between the United State Department of Energy and National Technology & Engineering Solutions of Sandia, LLC, for the operation of the Sandia National Laboratories.