Offline Device Authentication and Anti-Counterfeiting Using Physically Unclonable Functions
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United States of America Patent
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Issued Date -
Jun 13, 2013
app pub date -
Dec 7, 2011
filing date -
Dec 7, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The output of a physically unclonable function (PUF) may be processed to reduce its size. The post-processing result is served as a device intrinsic unclonable identifier and is signed by the device manufacturer to create a certificate stored on board the same device that includes the physically unclonable function. This scheme may not require online verification and complex error correction on PUFs in some cases.
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