基于区块链的物联网节点位置隐私保护模型

doi:10.3969/j.issn.0255-8297.2020.01.011

Abstract

Abstract: The Internet of Things (IoT) is changing people's consuming behavior and business processes. Aiming at the information privacy and security of IoT devices, this paper proposes a location information protection model for IoT devices based on blockchain technology. Firstly, this model records device identification with the help of blockchain technology to ensure that the information of IoT devices cannot be tampered. Then the distributed Hash table (DHT) network is implemented based on white list technology and the device location information is XOR processed to hide the network topology of the IoT. Finally, the sensitive attributes of the data are generalized according to k-anonymous algorithm to provide users with regional information statistics services. The experimental results show that the model can effectively hide device location information, provide customized regional statistics service and protect user information security.

Key words: Internet of Things (IoT), location information protection, blockchain, distributed Hash table (DHT), k-anonymity

CLC Number:

TP309

SHE Wei, CHEN Jiansen, GU Zhihao, TIAN Zhao, XU Li, LIU Wei. Location Information Protection Model for IoT Nodes Based on Blockchain[J]. Journal of Applied Sciences, 2020, 38(1): 139-151.

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Location Information Protection Model for IoT Nodes Based on Blockchain

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