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Title: Circuit that includes a physically unclonable function

Abstract

Described herein are various technologies pertaining to authentication of integrated circuits by using external factors to affect or modify an output of a physically unclonable function (PUF) circuit. In an example, the output of the PUF circuit in response to a challenge signal can be sensitive to changes in environmental factors. In another example, the output of the PUF circuit can be sensitive to user-selectable configuration parameters of the PUF circuit. In yet another example, the output of the PUF circuit can be modified by additional circuitry external to the PUF circuit based upon one or more selectable or configurable inputs. A PUF-based device authentication system that uses external factors as authentication inputs to affect a challenge response of the device authentication system can enhance authentication capabilities by permitting multi-factor authentication.

Inventors:
; ; ;
Issue Date:
Research Org.:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1568192
Patent Number(s):
10256983
Application Number:
15/077,488
Assignee:
National Technology & Engineering Solutions of Sandia, LLC (Albuquerque, NM)
Patent Classifications (CPCs):
H - ELECTRICITY H04 - ELECTRIC COMMUNICATION TECHNIQUE H04L - TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
DOE Contract Number:  
AC04-94AL85000
Resource Type:
Patent
Resource Relation:
Patent File Date: 03/22/2016
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING

Citation Formats

Bauer, Todd, Hamlet, Jason, Birmingham, Ryan Michael, and Pierson, Lyndon G. Circuit that includes a physically unclonable function. United States: N. p., 2019. Web.
Bauer, Todd, Hamlet, Jason, Birmingham, Ryan Michael, & Pierson, Lyndon G. Circuit that includes a physically unclonable function. United States.
Bauer, Todd, Hamlet, Jason, Birmingham, Ryan Michael, and Pierson, Lyndon G. Tue . "Circuit that includes a physically unclonable function". United States. https://www.osti.gov/servlets/purl/1568192.
@article{osti_1568192,
title = {Circuit that includes a physically unclonable function},
author = {Bauer, Todd and Hamlet, Jason and Birmingham, Ryan Michael and Pierson, Lyndon G.},
abstractNote = {Described herein are various technologies pertaining to authentication of integrated circuits by using external factors to affect or modify an output of a physically unclonable function (PUF) circuit. In an example, the output of the PUF circuit in response to a challenge signal can be sensitive to changes in environmental factors. In another example, the output of the PUF circuit can be sensitive to user-selectable configuration parameters of the PUF circuit. In yet another example, the output of the PUF circuit can be modified by additional circuitry external to the PUF circuit based upon one or more selectable or configurable inputs. A PUF-based device authentication system that uses external factors as authentication inputs to affect a challenge response of the device authentication system can enhance authentication capabilities by permitting multi-factor authentication.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2019},
month = {4}
}

Patent:

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