An efficient heterogeneous online/offline anonymous certificateless signcryption with proxy re-encryption for Internet of Vehicles

IF 5.8 2区 计算机科学 Q1 TELECOMMUNICATIONS
Negalign Wake Hundera , Muhammad Umar Aftab , Dagmawit Mesfin , Fatene Dioubi , Huiying Xu , Xinzhong Zhu
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引用次数: 0

Abstract

In the Internet of Vehicles (IoV) domain, the collection of traffic data is executed by intelligent devices and stored within a cloud-assisted IoV system. However, ensuring confidentiality and authorized access to data are the main problems of data storage. To address these problems, this paper proposes an efficient heterogeneous online/offline certificateless signcryption with a proxy re-encryption scheme (HOOCLS-PRE). This scheme enables IoV nodes in a certificateless cryptosystem (CLC) environment to store encrypted IoV-related data in the cloud. When an authorized user from an identity-based cryptosystem (IBC) wishes to access the data, the IoV node delegates the task of re-encrypting the data to the cloud, and only an authorized user can decrypt the data and verify its integrity and authenticity. The cloud cannot obtain any plaintext details about the data. In the proposed scheme, the signcryption process is split into offline and online phases. Most heavy computations are conducted without knowledge of the message during the offline phase. Only light computations are performed in the online phase when a message is available. The scheme protects the privacy and anonymity of vehicles by preventing adversaries from linking vehicle identities and locations. Moreover, a formal security proof is provided in the random oracle model. Finally, the performance analysis reveals that HOOCLS-PRE outperforms existing relevant schemes. Hence, HOOCLS-PRE is ideal for cloud-assisted IoV environments.

面向车联网的高效异构在线/离线匿名无证书签名加密与代理重加密
在车联网(IoV)领域,交通数据收集由智能设备执行,并存储在云辅助 IoV 系统中。然而,确保数据的保密性和授权访问是数据存储的主要问题。为解决这些问题,本文提出了一种高效的异构在线/离线无证书签名加密与代理重加密方案(HOOCLS-PRE)。该方案能让无证书密码系统(CLC)环境中的物联网节点在云中存储加密的物联网相关数据。当来自基于身份的密码系统(IBC)的授权用户希望访问数据时,IoV 节点会将重新加密数据的任务委托给云,只有授权用户才能解密数据并验证其完整性和真实性。云无法获取数据的任何明文细节。在建议的方案中,签名加密过程分为离线和在线两个阶段。在离线阶段,大多数繁重的计算都是在对信息一无所知的情况下进行的。只有在有信息的情况下,才会在在线阶段进行少量计算。该方案可防止对手将车辆身份和位置联系起来,从而保护车辆的隐私和匿名性。此外,还在随机甲骨文模型中提供了正式的安全证明。最后,性能分析表明 HOOCLS-PRE 优于现有的相关方案。因此,HOOCLS-PRE 是云辅助物联网环境的理想选择。
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来源期刊
Vehicular Communications
Vehicular Communications Engineering-Electrical and Electronic Engineering
CiteScore
12.70
自引率
10.40%
发文量
88
审稿时长
62 days
期刊介绍: Vehicular communications is a growing area of communications between vehicles and including roadside communication infrastructure. Advances in wireless communications are making possible sharing of information through real time communications between vehicles and infrastructure. This has led to applications to increase safety of vehicles and communication between passengers and the Internet. Standardization efforts on vehicular communication are also underway to make vehicular transportation safer, greener and easier. The aim of the journal is to publish high quality peer–reviewed papers in the area of vehicular communications. The scope encompasses all types of communications involving vehicles, including vehicle–to–vehicle and vehicle–to–infrastructure. The scope includes (but not limited to) the following topics related to vehicular communications: Vehicle to vehicle and vehicle to infrastructure communications Channel modelling, modulating and coding Congestion Control and scalability issues Protocol design, testing and verification Routing in vehicular networks Security issues and countermeasures Deployment and field testing Reducing energy consumption and enhancing safety of vehicles Wireless in–car networks Data collection and dissemination methods Mobility and handover issues Safety and driver assistance applications UAV Underwater communications Autonomous cooperative driving Social networks Internet of vehicles Standardization of protocols.
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