Authors: | Mihaljević, Miodrag J. Knežević, Milica Urošević, Dragan Wang, Lianhai Xu, Shujiang |
Affiliations: | Computer Science Mathematical Institute of the Serbian Academy of Sciences and Arts |
Title: | An Approach for Blockchain and Symmetric Keys Broadcast Encryption Based Access Control in IoT | Journal: | Symmetry | Volume: | 15 | Issue: | 2 | First page: | 299 | Issue Date: | 2023 | Rank: | ~M22 | ISSN: | 2073-8994 | DOI: | 10.3390/sym15020299 | Abstract: | This paper considers the problem of data access control when the subscribers are IoT devices with initialization that cannot be updated during the entire life cycle. A generic framework and a particular instance for conditional data access control within IoT are proposed. The generic framework is based on the employment of a dedicated secret key-based broadcast encryption scheme where encrypted credentials for conditional data access is available in the blockchain and encrypted data subject to conditional access are available in an off-chain source of streaming data. Reduction of the keys management overhead in comparison with a straightforward decryption keys delivery is experimentally illustrated. An instance of the proposed framework built over the Ethereum blockchain platform is developed and experimentally evaluated. |
Keywords: | IoT | data access control | broadcast encryption | blockchain | Ethereum platform | Publisher: | MDPI | Project: | Advanced artificial intelligence techniques for analysis and design of system components based on trustworthy BlockChain technology - AI4TrustBC |
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