A blockchain-based ITS framework with privacy preserving for secure and reliable communication
by Soumyashree S. Panda; Debasish Jena; Bhabendu Kumar Mohanta; Srikanta Patnaik
International Journal of Communication Networks and Distributed Systems (IJCNDS), Vol. 27, No. 4, 2021

Abstract: With the omnipresence of technology, intelligent transportation system (ITS) is no more a distant dream but has become an achievable reality. One of the fundamental challenges in the implementation of an ITS is the proper management of security and privacy issues, especially how the system confirms the validity of its users. Most of the existing security mechanisms are based on a centralized framework and assume the registration authority and roadside units to be trustful. Therefore, a distributed framework using Blockchain and, a very lightweight and privacy-preserving authentication protocol employing an interactive zero-knowledge proof (ZKP) based on elliptic curve cryptography (ECC) is proposed. An in-depth analysis of the protocol demonstrates that it meets all the security and privacy requisites of an ITS. In addition, the suggested protocol is also validated using the widely used AVISPA tool. The reliability and effectiveness of the protocol are analyzed through simulation using NS2 which proves the practicality of the protocol.

Online publication date: Mon, 29-Nov-2021

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