Secure and Private Implementation of Dynamic Controllers Using Semihomomorphic Encryption

Carlos Murguia; Farhad Farokhi; Iman Shames

doi:10.1109/TAC.2020.2992445

Secure and Private Implementation of Dynamic Controllers Using Semihomomorphic Encryption

Carlos Murguia
, Farhad Farokhi^*
, Iman Shames

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

73 Citations (Scopus)

Abstract

This article presents a secure and private implementation of linear time-invariant dynamic controllers using Paillier's encryption, a semihomomorphic encryption method. To avoid overflow or underflow within the encryption domain, the state of the controller is reset periodically. A control design approach is presented to ensure stability and optimize performance of the closed-loop system with encrypted controller.

Original language	English
Article number	9086151
Pages (from-to)	3950-3957
Number of pages	8
Journal	IEEE Transactions on Automatic Control
Volume	65
Issue number	9
DOIs	https://doi.org/10.1109/TAC.2020.2992445
Publication status	Published - Sept 2020
Externally published	Yes

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10.1109/TAC.2020.2992445

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title = "Secure and Private Implementation of Dynamic Controllers Using Semihomomorphic Encryption",

abstract = "This article presents a secure and private implementation of linear time-invariant dynamic controllers using Paillier's encryption, a semihomomorphic encryption method. To avoid overflow or underflow within the encryption domain, the state of the controller is reset periodically. A control design approach is presented to ensure stability and optimize performance of the closed-loop system with encrypted controller.",

keywords = "Cyber-security, dynamic controllers, encrypted control, homomorphic encryption, privacy",

author = "Carlos Murguia and Farhad Farokhi and Iman Shames",

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AB - This article presents a secure and private implementation of linear time-invariant dynamic controllers using Paillier's encryption, a semihomomorphic encryption method. To avoid overflow or underflow within the encryption domain, the state of the controller is reset periodically. A control design approach is presented to ensure stability and optimize performance of the closed-loop system with encrypted controller.

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KW - encrypted control

KW - homomorphic encryption

KW - privacy

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Secure and Private Implementation of Dynamic Controllers Using Semihomomorphic Encryption

Abstract

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