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Security in the Shell : An Optical Physical Unclonable Function made of Shells of Cholesteric Liquid Crystals
Lenzini, Gabriele; Samir, Ouchani; Roenne, Peter et al.
2017In Proc. of the 9th IEEE Workshop on Information Forensics and Security
Peer reviewed
 

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Keywords :
PUF; object authentication; Cholesteric Liquid Crystals
Abstract :
[en] We describe the application in security of shells of Cholesteric Liquid Crystals (ChLCs). Such shells have a diameter in the microns range and can be gathered in hundreds in a surface area as small as a nail’s head. Because of their structural properties, a bundle of them reflects light, creating colorful patterns that we argue to be unique and computationally hard to predict. We argue also that the bundle itself is unclonable. These are typical properties of Physically Unclonable Functions, a family to which shells of ChLCs belong too. Herein we discuss their physical and security properties and their potential use in object authentication.
Research center :
Interdisciplinary Centre for Security, Reliability and Trust (SnT) > Applied Security and Information Assurance Group (APSIA)
Disciplines :
Electrical & electronics engineering
Author, co-author :
Lenzini, Gabriele ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT)
Samir, Ouchani
Roenne, Peter ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT)
Ryan, Peter ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Computer Science and Communications Research Unit (CSC)
Geng, Yong
Noh, Junghyun ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit
Lagerwall, Jan  ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit
External co-authors :
yes
Language :
English
Title :
Security in the Shell : An Optical Physical Unclonable Function made of Shells of Cholesteric Liquid Crystals
Publication date :
02 October 2017
Event name :
9th IEEE Workshop on Information Forensics and Security
Event place :
Rennes, France
Event date :
7-9 December
Audience :
International
Main work title :
Proc. of the 9th IEEE Workshop on Information Forensics and Security
Peer reviewed :
Peer reviewed
Focus Area :
Security, Reliability and Trust
Name of the research project :
UNIQUE
Funders :
UL - Université de Lorraine [FR]
Available on ORBilu :
since 04 October 2017

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