Reference : Security in the Shell : An Optical Physical Unclonable Function made of Shells of Cho...

	Document type :	Scientific congresses, symposiums and conference proceedings : Paper published in a book
	Discipline(s) :	Engineering, computing & technology : Electrical & electronics engineering
	Focus Areas :	Security, Reliability and Trust
	To cite this reference:	http://hdl.handle.net/10993/32518

Title :	Security in the Shell : An Optical Physical Unclonable Function made of Shells of Cholesteric Liquid Crystals
Language :	English
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 >]
Publication date :	2-Oct-2017
Main document title :	Proc. of the 9th IEEE Workshop on Information Forensics and Security
Peer reviewed :	Yes
On invitation :	No
Audience :	International
Event name :	9th IEEE Workshop on Information Forensics and Security
Event date :	7-9 December
Event place (city) :	Rennes
Event country :	France
Keywords :	[en] 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 centres :	Interdisciplinary Centre for Security, Reliability and Trust (SnT) > Applied Security and Information Assurance Group (APSIA)
Funders :	UL
Name of the research project :	UNIQUE
Target :	Researchers
Permalink :	http://hdl.handle.net/10993/32518

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