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An On-line Design of Physical Watermarks
Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore, Singapore..
Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore, Singapore..
Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore, Singapore..
KTH, School of Electrical Engineering and Computer Science (EECS), Automatic Control.ORCID iD: 0000-0001-9940-5929
2018 (English)In: 2018 IEEE CONFERENCE ON DECISION AND CONTROL (CDC), IEEE , 2018, p. 440-445Conference paper, Published paper (Refereed)
Abstract [en]

This paper considers the problem of designing physical watermark signals to protect a control system against replay attacks. We first introduce the replay attack model, where an adversary replays the previous sensory data in order to fool the controller to believe the system is still operating normally. The physical watermarking scheme, which leverages a random control input as a watermark to detect the replay attack is introduced. The optimal watermark signal design problem is then proposed as an optimization problem, which achieves the optimal trade-off between the control performance and attack detection performance. For the system with unknown parameters, we provide a procedure to asymptotically derive the optimal watermarking signal. Numerical examples are provided to illustrate the effectiveness of the proposed strategy.

Place, publisher, year, edition, pages
IEEE , 2018. p. 440-445
Series
IEEE Conference on Decision and Control, ISSN 0743-1546
National Category
Computer and Information Sciences
Identifiers
URN: urn:nbn:se:kth:diva-245018DOI: 10.1109/CDC.2018.8619632ISI: 000458114800062Scopus ID: 2-s2.0-85062166469ISBN: 978-1-5386-1395-5 (print)OAI: oai:DiVA.org:kth-245018DiVA, id: diva2:1293507
Conference
57th IEEE Conference on Decision and Control (CDC), DEC 17-19, 2018, Miami Beach, FL
Note

QC 20190305

Available from: 2019-03-05 Created: 2019-03-05 Last updated: 2019-04-11Bibliographically approved

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Johansson, Karl H.

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
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  • asciidoc
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