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DETECTING MALICIOUS HARDWARE BY MEASURING RADIO FREQUENCY EMISSIONS

  • US 20130162241A1
  • Filed: 12/22/2011
  • Published: 06/27/2013
  • Est. Priority Date: 12/22/2011
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • measuring radio frequency emissions at a plurality of positions relative to a trusted unit of a particular electronic device during operation of the trusted unit;

    measuring radio frequency emissions at the same plurality of positions relative to a second unit of the particular electronic device;

    for each of the plurality of positions, comparing the radio frequency emissions measured from the second unit to the radio frequency emissions measured from the trusted unit; and

    determining whether there is any frequency at which the measured amplitude of the radio frequency emissions from the second unit and the measured amplitude of the radio frequency emissions from the trusted unit exhibit a statistically significant difference.

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