AUTHENTICATING AN INTEGRATED CIRCUIT BASED ON STORED INFORMATION
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United States of America Patent
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Issued Date -
Sep 23, 2010
app pub date -
Nov 20, 2009
filing date -
Nov 21, 2008
priority date (Note) -
Abandoned
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Abstract
Exemplary embodiments provide methods and systems of authenticating an integrated circuit (IC). The manufacturing location of an IC is authenticated by storing in the IC a local signature derived from a GPS signal that was received at the manufacturing location at the time of manufacture. A remote signature is derived from a GPS signal that was received at a remote site nearly simultaneously as the reception of the GPS signal at the manufacturing location. The local signature is compared to the remote signature at an authentication site to determine the authenticity of the IC.
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