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- W3005378045 abstract "The vehicular ad hoc network (VANET) has been considered as one of the most prominent technologies for improving the efficiency and safety of modern transportation systems. However, VANET will present a unique range of challenges and opportunities for security. In particular, key management, as the footstone to build a practical security framework in VANET, becomes a research hotspot. In this paper, we investigate key management based on blockchain for VANET. We first propose an efficient decentralized key management mechanism for VANET with blockchain (DB-KMM) to automatically realize the registration, update and revocation of user's public key. At the same time, we present a lightweight mutual authentication and key agreement protocol based on the bivariate polynomial. Then, we analyze the security of DB-KMM in the universally composable framework and show that the mechanism can prevent the typical attacks including internal attacks, DoS attacks, public key tampering attacks and collusion attacks. Finally, we analyze the performance of the proposed scheme through experiments and simulation. Experiment results show that DB-KMM has better performance than the existing schemes in terms of communication, storage, computation overhead and latency." @default.
- W3005378045 created "2020-02-14" @default.
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- W3005378045 date "2020-06-01" @default.
- W3005378045 modified "2023-10-17" @default.
- W3005378045 title "An Efficient Decentralized Key Management Mechanism for VANET With Blockchain" @default.
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- W3005378045 doi "https://doi.org/10.1109/tvt.2020.2972923" @default.
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