Implementing homomorphic encryption based secure feedback control

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    Author
    Tran, J; Farokhi, F; Cantoni, M; Shames, I
    Date
    2020-04
    Source Title
    Control Engineering Practice
    Publisher
    Elsevier BV
    University of Melbourne Author/s
    Farokhi, Farhad; Cantoni, Michael; Shames, Iman
    Affiliation
    Electrical and Electronic Engineering
    Metadata
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    Document Type
    Journal Article
    Citations
    Tran, J., Farokhi, F., Cantoni, M. & Shames, I. (2020). Implementing homomorphic encryption based secure feedback control. Control Engineering Practice, 97, pp.104350-104350. https://doi.org/10.1016/j.conengprac.2020.104350.
    Access Status
    This item is embargoed and will be available on 2022-04-01
    URI
    http://hdl.handle.net/11343/251368
    DOI
    10.1016/j.conengprac.2020.104350
    ARC Grant code
    ARC/LP160100666
    Abstract
    This paper is about an encryption based approach to the secure implementation of feedback controllers for physical systems. Specifically, Paillier’s homomorphic encryption is used to digitally implement a class of linear dynamic controllers, which includes the commonplace static gain and PID type feedback control laws as special cases. The developed implementation is amenable to Field Programmable Gate Array (FPGA) realization. Experimental results, including timing analysis and resource usage characteristics for different encryption key lengths, are presented for the realization of an inverted pendulum controller; as this is an unstable plant, the control is necessarily fast.

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