Cryptographic switching functions for multiplicative watermarking in cyber-physical systems

Alexander J. Gallo; Riccardo M.G. Ferrari

doi:10.1016/j.ifacol.2022.07.164

Cryptographic switching functions for multiplicative watermarking in cyber-physical systems

Alexander J. Gallo, Riccardo M.G. Ferrari

Team Riccardo Ferrari

Research output: Contribution to journal › Conference article › Scientific › peer-review

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Abstract

In this paper we present a novel switching function for multiplicative watermarking systems. The switching function is based on the algebraic structure of elliptic curves over finite fields. The resulting function allows for both watermarking generator and remover to define appropriate system parameters, sharing only limited information, namely a private key. We prove that the resulting watermarking parameters lead to a stable watermarking scheme.

Original language	English
Pages (from-to)	414-419
Journal	IFAC-PapersOnline
Volume	55
Issue number	6
DOIs	https://doi.org/10.1016/j.ifacol.2022.07.164
Publication status	Published - 2022
Event	11th IFAC Symposium on Fault Detection, Supervision and Safety for Technical Processes, SAFEPROCESS 2022 - Pafos, Cyprus Duration: 8 Jun 2022 → 10 Jun 2022

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10.1016/j.ifacol.2022.07.164

1-s2.0-S2405896322005493-mainFinal published version, 606 KBLicence: CC BY-NC-ND

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AB - In this paper we present a novel switching function for multiplicative watermarking systems. The switching function is based on the algebraic structure of elliptic curves over finite fields. The resulting function allows for both watermarking generator and remover to define appropriate system parameters, sharing only limited information, namely a private key. We prove that the resulting watermarking parameters lead to a stable watermarking scheme.

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Cryptographic switching functions for multiplicative watermarking in cyber-physical systems

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