A certificateless aggregate signature scheme for security and privacy protection in VANET

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Title:	A certificateless aggregate signature scheme for security and privacy protection in VANET
Authors:	Ca, Eko Fajar;Cahyadi, Eko Fajar;Su, Tzu-Wei;Su, Tzu-Wei;Ya, Chou-Chen;Yang, Chou-Chen;黃明祥;Hwang, Min-Shiang
Contributors:	資訊電機學院資訊工程學系
Keywords:	個案研究；探究式學習；程式學習；遊戲情境；
Date:	2022-NA
Issue Date:	2023-03-29 02:29:29 (UTC+0)
Publisher:	亞洲大學
Abstract:	In the vehicular ad hoc network, moving vehicles can keep communicating with each other by entering or leaving the network at any time to establish a new connection. However, since many users transmit a substantial number of messages, it may cause reception delays and affect the entire system. A certificateless aggregate signature scheme can provide a signature compression that keeps the verification cost low. Therefore, it is beneficial for environments constrained by time, bandwidth, and storage, such as vehicular ad hoc network. In recent years, several certificateless aggregate signature schemes have been proposed. Unfortunately, some of them still have some security and privacy issues under specific existing attacks. This article offers an authentication scheme that can improve security, privacy, and efficiency. First, we apply the certificateless aggregate signature method to prevent the onboard unit devices from leaking sensitive information when sending messages. The scheme is proven to be secure against the Type-1 (A1) and Type-2 (A2) adversaries in the random oracle model under the computational Diffie–Hellman problem assumption. Then, the performance evaluation demonstrates that our proposed scheme is more suitable for deployment in vehicular ad hoc network environments.
Appears in Collections:	[資訊工程學系] 期刊論文

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