CAN't track us: Adaptable privacy for ISOBUS controller area networks

Autor(en): Bauer, Jan
Helmke, Rene
Bothe, Alexander 
Aschenbruck, Nils 
Stichwörter: Computer Science; Computer Science, Hardware & Architecture; Computer Science, Software Engineering; Controller area network; Data sovereignty; ISO 11783; ISOBUS; PRECISION AGRICULTURE; Privacy
Erscheinungsdatum: 2019
Herausgeber: ELSEVIER
Volumen: 66
Modern information technologies have revolutionized agriculture in many ways. Today, positioning systems along with Internet of Things technologies enable Smart Faming with site-specific applications and interconnected machinery. Current machines and implements are equipped with multiple sensors and actors that are embedded in the machine's Controller Area Network (CAN) using ISOBUS. In operation, such components continuously produce and exchange internal and environmental sensor information. However, CAN communication is not secure and privacy issues arise whenever different actors are involved in collaborative tasks. In this paper, we present CAN't, a modular privacy framework for collaborative Smart Farming. The core of the framework is a special proxy that allows to apply privacy filters to selected CAN/ISOBUS data streams. Moreover, it allows to agree on the accessible level of information content for each actor. We implemented a proof-of-concept prototype based on low-cost commercial off-the-shelf hardware. Its evaluation comprises technical and privacy aspects. By using real-world ISOBUS traces as well as a commercial CAN hardware simulator, the feasibility of our approach is shown.
ISSN: 09205489
DOI: 10.1016/j.csi.2019.04.003

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