SecHome: A Secure Large-Scale Smart Home System Using Hierarchical Identity Based Encryption

  • Yu Li
  • Yazhe WangEmail author
  • Yuan Zhang
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 10631)


With the rapid development of Cyber-Physical Systems, there has been a growing trend among smart devices to connect networks via different wireless protocols. In particular, smart home devices are becoming more and more prevalent. However, security issues on how to control and prevent unauthorized access to smart devices connected to the cloud still need to be considered and solved. Hierarchical Identity-Based Encryption is a well-known access control model which enables parent nodes to decrypt the data from descendant nodes. In this paper, we present SecHome, a large-scale smart home system using hierarchical identity based encryption protocol. SecHome applies the protocol by using efficient pairing based cryptography to enforce an access control policy, so parent nodes at the top of the hierarchy can monitor their descendant nodes. In practice, we have implemented our SecHome system on both smart phone and smart device sides, and the final evaluations demonstrate that our system is proved to be of practicality and with high efficiency.


Smart device Security Privacy Hierarchical Identity-Based Encryption 



We would like to thank the anonymous reviewers for their insight and detailed feedback. Our work was supported by The National Key Research and Development Program of China NO.2017YFB0801900 and Youth Innovation Promotion Association of CAS.


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Authors and Affiliations

  1. 1.State Key Laboratory of Information SecurityInstitute of Information Engineering, Chinese Academy of SciencesBeijingChina
  2. 2.State Key Laboratory for Novel Software Technology, Computer Science and Technology DepartmentNanjing UniversityNanjingChina

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