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Anonymous, secure and efficient vehi...

Sun, Xiaoting.

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Anonymous, secure and efficient vehicular communications.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Anonymous, secure and efficient vehicular communications./
作者:	Sun, Xiaoting.
面頁冊數:	67 p.
附註:	Source: Masters Abstracts International, Volume: 46-04, page: 2171.
Contained By:	Masters Abstracts International46-04.
標題:	Computer Science. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=MR35330
ISBN:	9780494353301

Anonymous, secure and efficient vehicular communications.
Sun, Xiaoting.

Anonymous, secure and efficient vehicular communications. - 67 p.

Source: Masters Abstracts International, Volume: 46-04, page: 2171.

Thesis (M.Math.)--University of Waterloo (Canada), 2007.

Vehicular communication networking is a promising approach for facilitating road safety, traffic management, and infotainment dissemination for drivers and passengers. However, it is subject to various malicious abuses and security attacks which hinder it from practical implementation.

ISBN: 9780494353301Subjects--Topical Terms:

626642
Computer Science.

Anonymous, secure and efficient vehicular communications.
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520 $a Vehicular communication networking is a promising approach for facilitating road safety, traffic management, and infotainment dissemination for drivers and passengers. However, it is subject to various malicious abuses and security attacks which hinder it from practical implementation.
520 $a In this study, we propose a novel security protocol called GSIS based on group signature and identity-based signature schemes to meet the unique requirements of vehicular communication networks. The proposed protocol not only guarantees security and anonymity, but also provides easy traceability when the identity of the sender of a message has to be revealed by the authority. However, the cryptographic operations introduced in GSIS as well as the existing public key based message authentication protocols incur some computation and communication overhead which affect the system performance. Simulation results show that the GSIS security protocol is only applicable under light traffic conditions in terms of the message end to end delay and message loss ratio.
520 $a Both the GSIS protocol and the existing public key based security protocols have to sign and verify all the received messages with asymmetric algorithms. The PKI based approach also has to attach a public key certificate in each packet. Therefore, to enhance the system performance and mitigate the message overhead without compromising the security requirement, this study further proposes an enhanced TESLA based Secure Vehicular Communication (TSVC) protocol. In TSVC, the communication overhead can be significantly reduced due to the MAC tag attached in each packet and only a fast hash operation is required to verify each packet. Simulation results show that TSVC maintains acceptable message latency, using a much smaller packet size, and significantly reduces the message loss ratio as compared to GSIS and existing PKI based protocols, especially when the traffic is denser. We conclude that the proposed approach could serve as good candidate for future vehicular communication networks.
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