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Physical Unclonable Function: Multilevel States of Nano‐Electromechanical Switch for a PUF‐Based Security Device (Small 3/2019)
Author(s) -
Hwang KyuMan,
Kim WuKang,
Jin Ik Kyeong,
Lee SeungWook,
Choi YangKyu
Publication year - 2019
Publication title -
small
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.785
H-Index - 236
eISSN - 1613-6829
pISSN - 1613-6810
DOI - 10.1002/smll.201970015
Subject(s) - physical unclonable function , robustness (evolution) , hardware security module , stiction , internet of things , materials science , nano , key generation , computer science , key (lock) , nanotechnology , microelectromechanical systems , embedded system , computer security , cryptography , biochemistry , chemistry , composite material , gene
In article number 1803825 , Yang‐Kyu Choi and co‐workers demonstrate a nano‐electromechanical (NEM) switch by use of the physical unclonable function (PUF) for high security. This PUF is based on the inherent random stiction arising from microfabrication. To improve a security level, a single NEM switch has more than 4‐states, which are distinguished by a magnitude and a direction of read current. This security key has high robustness against microwaves, radiation and thermal stress, and hence can provide a reliable authorized key for anti‐hacking.
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