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Sensors 2018, 18(1), 194; https://doi.org/10.3390/s18010194

An Enhanced Secure Identity-Based Certificateless Public Key Authentication Scheme for Vehicular Sensor Networks

1
School of Traffic and Transportation, Beijing Jiaotong University, Haidian District, Beijing 100000, China
2
Research and Development Department, Beijing Zhonghaiwenda Information Technology Company, Haidian District, Beijing 100000, China
3
Electronic Transaction Cryptographic Application Group, State Cryptography Administration Office of Security Commercial Code Administration, Fengtai District, Beijing 100000, China
*
Author to whom correspondence should be addressed.
Received: 7 December 2017 / Revised: 3 January 2018 / Accepted: 8 January 2018 / Published: 11 January 2018
(This article belongs to the Section Sensor Networks)
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Abstract

Vehicular sensor networks have been widely applied in intelligent traffic systems in recent years. Because of the specificity of vehicular sensor networks, they require an enhanced, secure and efficient authentication scheme. Existing authentication protocols are vulnerable to some problems, such as a high computational overhead with certificate distribution and revocation, strong reliance on tamper-proof devices, limited scalability when building many secure channels, and an inability to detect hardware tampering attacks. In this paper, an improved authentication scheme using certificateless public key cryptography is proposed to address these problems. A security analysis of our scheme shows that our protocol provides an enhanced secure anonymous authentication, which is resilient against major security threats. Furthermore, the proposed scheme reduces the incidence of node compromise and replication attacks. The scheme also provides a malicious-node detection and warning mechanism, which can quickly identify compromised static nodes and immediately alert the administrative department. With performance evaluations, the scheme can obtain better trade-offs between security and efficiency than the well-known available schemes. View Full-Text
Keywords: authentication; identity-based; certificateless; vehicular sensor network (VSN) authentication; identity-based; certificateless; vehicular sensor network (VSN)
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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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Li, C.; Zhang, X.; Wang, H.; Li, D. An Enhanced Secure Identity-Based Certificateless Public Key Authentication Scheme for Vehicular Sensor Networks. Sensors 2018, 18, 194.

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