Physical Unclonable Functions Having Magnetic Particles
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United States of America Patent
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Jun 22, 2017
filing date -
Oct 9, 2015
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Abstract
A physical unclonable function (PUF) apparatus having magnetic particles is disclosed. The magnetic field data and the image view of the magnetic particles in the PUF apparatus are difficult to counterfeit. A PUF apparatus may be incorporated into a user-replaceable supply item for an imaging device. Further, a PUF reader may be incorporated into an imaging device to read the PUF. Other systems are disclosed.
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