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Efficient Hierarchical Identity-Based Encryption System for Internet of Things Infrastructure

1
School of Computer and Information Technology, Shanxi University, Taiyuan 030006, China
2
School of Electrical and Computer Engineering, Xiamen University Malaysia, Jalan Sunsuria, Bandar Sunsuria, Sepang 43900, Selangor Darul Ehsan, Malaysia
*
Author to whom correspondence should be addressed.
Symmetry 2019, 11(7), 913; https://doi.org/10.3390/sym11070913
Received: 19 June 2019 / Revised: 4 July 2019 / Accepted: 8 July 2019 / Published: 13 July 2019
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PDF [381 KB, uploaded 13 July 2019]
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Abstract

Security is a main concern for the Internet of Things (IoT) infrastructure as large volumes of data are collected and processed in the systems. Due to the limited resources of interconnected sensors and devices in the IoT systems, efficiency is one of the key considerations when deploying security solutions (e.g., symmetric/asymmetric encryption, authentication, etc.) in IoT. In this paper, we present an efficient Hierarchical Identity-Based Encryption (HIBE) system with short parameters for protecting data confidentiality in distributed IoT infrastructure. Our proposed HIBE system has the public parameters, private key, and ciphertext, each consisting of a constant number of group elements. We prove the full security of the HIBE system in the standard model using the dual system encryption technique. We also implement the proposed scheme and compare the performance with the original Lewko–Waters HIBE. To the best of our knowledge, our construction is the first HIBE system that achieves both full security in the standard model and short parameters in terms of the public parameters, private key, and ciphertext. View Full-Text
Keywords: cryptography; data security; Internet of Things; hierarchical identity-based encryption; dual system; standard model cryptography; data security; Internet of Things; hierarchical identity-based encryption; dual system; standard model
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Guo, L.; Wang, J.; Yau, W.-C. Efficient Hierarchical Identity-Based Encryption System for Internet of Things Infrastructure. Symmetry 2019, 11, 913.

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