Protecting vehicular networks privacy in the presence of a single adversarial authority

Chang Wu Chen, Sang Yoon Chang, Yih Chun Hu, Yen Wen Chen

研究成果: 書貢獻/報告類型會議論文篇章同行評審

7 引文 斯高帕斯(Scopus)

摘要

In vehicular networks, each message is signed by the generating node to ensure accountability for the contents of that message. For privacy reasons, each vehicle uses a collection of certificates, which for accountability reasons are linked at a central authority. One such design is the Security Credential Management System (SCMS) [1], which is the leading credential management system in the US. The SCMS is composed of multiple components, each of which has a different task for key management, which are logically separated. The SCMS is designed to ensure privacy against a single insider compromise, or against outside adversaries. In this paper, we demonstrate that the current SCMS design fails to achieve its design goal, showing that a compromised authority can gain substantial information about certificate linkages. We propose a solution that accommodates threshold-based detection, but uses relabeling and noise to limit the information that can be learned from a single insider adversary. We also analyze our solution using techniques from differential privacy and validate it using traffic-simulator based experiments. Our results show that our proposed solution prevents privacy information leakage against the compromised authority in collusion with outsider attackers.

原文???core.languages.en_GB???
主出版物標題2017 IEEE Conference on Communications and Network Security, CNS 2017
發行者Institute of Electrical and Electronics Engineers Inc.
頁面1-9
頁數9
ISBN(電子)9781538606834
DOIs
出版狀態已出版 - 19 12月 2017
事件2017 IEEE Conference on Communications and Network Security, CNS 2017 - Las Vegas, United States
持續時間: 9 10月 201711 10月 2017

出版系列

名字2017 IEEE Conference on Communications and Network Security, CNS 2017
2017-January

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???event.eventtypes.event.conference???2017 IEEE Conference on Communications and Network Security, CNS 2017
國家/地區United States
城市Las Vegas
期間9/10/1711/10/17

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