A lightweight blockchain-based access control scheme for integrated edge computing in the internet of things

• URL: http://arxiv.org/abs/2111.06544v2
• Date: Wed, 17 Nov 2021 02:36:32 GMT
• Title: A lightweight blockchain-based access control scheme for integrated edge computing in the internet of things
• Authors: Jie Zhang, Lingyun Yuan and Shanshan Xu
• Abstract summary: We propose an attribute-based encryption and access control scheme (ABE-ACS) for the Edge-Iot network. For the problems of high resource consumption and difficult deployment of existing blockchain platforms, we design a lightweight blockchain (LBC) Six smart contracts are designed to realize the ABAC and penalty mechanism, with which ABE is outsourced to edge nodes for privacy and integrity.
• Score: 4.308257382729074
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: In view of the security issues of the Internet of Things (IoT), considered better combining edge computing and blockchain with the IoT, integrating attribute-based encryption (ABE) and attribute-based access control (ABAC) models with attributes as the entry point, an attribute-based encryption and access control scheme (ABE-ACS) has been proposed. Facing Edge-Iot, which is a heterogeneous network composed of most resource-limited IoT devices and some nodes with higher computing power. For the problems of high resource consumption and difficult deployment of existing blockchain platforms, we design a lightweight blockchain (LBC) with improvement of the proof-of-work consensus. For the access control policies, the threshold tree and LSSS are used for conversion and assignment, stored in the blockchain to protect the privacy of the policy. For device and data, six smart contracts are designed to realize the ABAC and penalty mechanism, with which ABE is outsourced to edge nodes for privacy and integrity. Thus, our scheme realizing Edge-Iot privacy protection, data and device controlled access. The security analysis shows that the proposed scheme is secure and the experimental results show that our LBC has higher throughput and lower resources consumption, the cost of encryption and decryption of our scheme is desirable.

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