Private Blockchain-Based Secure Access Control for Smart Home Systems

• Jingting Xue,
• Chunxiang Xu,
• Yuan Zhang,

Vol. 12, No. 12, December 30, 2018
10.3837/tiis.2018.12.024, Download Paper (Free):

• access control
• Private blockchain
• smart home system
• auditability
• signcryption cryptography

Abstract

Smart home systems provide a safe, comfortable, and convenient living environment for users, whereby users enjoy featured home services supported by the data collected and generated by smart devices in smart home systems. However, existing smart devices lack sufficient protection in terms of data security and privacy, and challenging security and privacy issues inevitably emerge when using these data. This article aims to address these challenging issues by proposing a private blockchain-based access control (PBAC) scheme. PBAC involves employing a private blockchain to provide an unforgeable and auditable foundation for smart home systems, that can thwart illegal data access, and ensure the accuracy, integrity, and timeliness of access records. A detailed security analysis shows that PBAC could preserve data security against various attacks. In addition, we conduct a comprehensive performance evaluation to demonstrate that PBAC is feasible and efficient.

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