PUF-based data integrity

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United States of America Patent

PATENT NO 11531785
APP PUB NO 20210081569A1
SERIAL NO

17018493

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Abstract

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A system includes a memory device configured to store data at addressable locations in the memory device, a physically unclonable function (PUF) device including an array of PUF elements, and a memory interface coupled to the memory device and the PUF device. The memory interface is configured to receive a request to store first data in the memory device, store the first data in the memory device at a first location of the memory device, and transmit the first data and the first location to the PUF device. The PUF device is configured to create a first challenge value using the first data and the first location, generate a first response value using the first challenge value, and store the first response value as a first data integrity tag in the memory device, wherein the first data integrity tag is associated with the first data.

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Patent Owner(s)

  • THE ARIZONA BOARD OF REGENTS ON BEHALF OF NORTHERN ARIZONA UNIVERSITY; INSTITUT POLYTECHNIQUE DE GRENOBLE; UNIVERSITÉ GRENOBLE ALPES

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cambou, Bertrand F Flagstaff, US 69 551
Flikkema, Paul G Flagstaff, US 10 17
Hely, David Grenoble, FR 18 83

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