Abstract
Group key management is an important method to protect privacy information in the IoT. However, the existing group key management scheme follows the hierarchical structure and highly depends on central authentication, which cannot be adapted to the distributed Internet of Things environment. Blockchain, a distributed ledger technology with the characteristics of being transparent, non-tamperable, and traceable, is a promising candidate for strengthening the security of group key management in IoT. This paper proposes a blockchain-based group key management scheme in IoT. This scheme uses blockchain technology to ensure that resources are shared securely in the decentralized domain administrator network, realize the dynamic security management of user information and keys, and improve the efficiency of the group key update for the dynamic group members. In this way, the user’s activity and key update can be recorded in blocks, which is convenient for retrieval and audit work of other domain administrators.
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Ma, H., Sun, G. (2020). Blockchain-Based Group Key Management Scheme in IoT. In: Huang, DS., Bevilacqua, V., Hussain, A. (eds) Intelligent Computing Theories and Application. ICIC 2020. Lecture Notes in Computer Science(), vol 12463. Springer, Cham. https://doi.org/10.1007/978-3-030-60799-9_39
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DOI: https://doi.org/10.1007/978-3-030-60799-9_39
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