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01-12-2019 | Research | Issue 1/2019 Open Access

EURASIP Journal on Wireless Communications and Networking 1/2019

Secure data sharing scheme for VANETs based on edge computing

Journal:
EURASIP Journal on Wireless Communications and Networking > Issue 1/2019
Authors:
Jingwen Pan, Jie Cui, Lu Wei, Yan Xu, Hong Zhong
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Abstract

The development of information technology and the abundance of problems related to vehicular traffic have led to extensive studies on vehicular ad hoc networks (VANETs) to meet various aspects of vehicles, including safety, efficiency, management, and entertainment. In addition to the security applications provided by VANETs, vehicles can take advantage of other services and users who have subscribed to multiple services can migrate between different wireless network areas. Traditionally, roadside units (RSUs) have been used by vehicles to enjoy cross-domain services. This results in significant delays and large loads on the RSUs. To solve these problems, this paper introduces a scheme to share data among different domains. First, a few vehicles called edge computing vehicles (ECVs) are selected to act as edge computing nodes in accordance with the concept of edge computing. Next, the data to be shared are forwarded by the ECVs to the vehicle that has requested the service. This method results in low latency and load on the RSUs. Meanwhile, ciphertext-policy attribute-based encryption and elliptic curve cryptography are used to ensure the confidentiality of the information.

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