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CapBAC in Hyperledger Sawtooth

Abstract : In the Internet of Things (IoT) context, the number of connected devices can be too large for a centralised server. This paper focuses on how to enforce authorisation in such a distributed and dynamic environment. The key idea is to use a blockchain-based technology both as a way to maintain a common distributed ledger to store and use access control information, and as a way to enforce Access Control policies in the form of smart contracts. An implementation of an access-control system is presented as a proof of concept: it corresponds to an adaptation of the Capability-based Access Control Model (CapBAC) in the form of a transaction family in Hyperledger Sawtooth. The main claim is that the features and simplicity of CapBAC magnify the usefulness of a blockchain to control the access in the IoT.
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Submitted on : Friday, October 18, 2019 - 9:48:29 AM
Last modification on : Monday, November 28, 2022 - 5:50:05 PM
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Stefano Bistarelli, Claudio Pannacci, Francesco Santini. CapBAC in Hyperledger Sawtooth. 19th IFIP International Conference on Distributed Applications and Interoperable Systems (DAIS), Jun 2019, Kongens Lyngby, Denmark. pp.152-169, ⟨10.1007/978-3-030-22496-7_10⟩. ⟨hal-02319579⟩



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