Blockchain based privacy aware distributed access management framework for industry 4.0 - Laboratoire Interdisciplinaire des Sciences du Numérique Access content directly
Conference Papers Year : 2021

Blockchain based privacy aware distributed access management framework for industry 4.0

Abstract

With the development of various technologies, the modern industry has been promoted to a new era known as Industry 4.0. Within such paradigm, smart factories are becoming widely recognized as the fundamental concept. These systems generate and exchange vast amounts of privacy-sensitive data, which makes them attractive targets of attacks and unauthorized access. To improve privacy and security within such environments, a more decentralized approach is seen as the solution to allow their longterm growth. Currently, the blockchain technology represents one of the most suitable candidate technologies able to support distributed and secure ecosystem for Industry 4.0 while ensuring reliability, information integrity and access authorization. Blockchain based access control frameworks address encountered challenges regarding the confidentiality, traceability and notarization of access demands and procedures. However significant additional fears are raised about entities' privacy regarding access history and shared policies. In this paper, our main focus is to ensure strong privacy guarantees over the access control related procedures regarding access requester sensitive attributes and shared access control policies. The proposed scheme called PDAMF based on ring signatures adds a privacy layer for hiding sensitive attributes while keeping the verification process transparent and public. Results from a real implementation plus performance evaluation prove the proposed concept and demonstrate its feasibility.
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Dates and versions

hal-03591078 , version 1 (28-02-2022)

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Asma Lahbib, Khalifa Toumi, Anis Laouiti, Steven Martin. Blockchain based privacy aware distributed access management framework for industry 4.0. WETICE 2021: IEEE 30th International Conference on Enabling Technologies: Infrastructure for Collaborative Enterprises, Oct 2021, Bayonne (online), France. pp.51-56, ⟨10.1109/WETICE53228.2021.00021⟩. ⟨hal-03591078⟩
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