(A) study on efficient anonymous authentication scheme in vehicular ad-hoc networks = 차량 애드-혹 네트워크에서의 효율적인 익명 인증 기법 연구

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dc.contributor.advisorKim, Kwang-Jo-
dc.contributor.authorYim, Jun-Hyun-
dc.description학위논문(석사) - 한국과학기술원 : 전산학과, 2011.2, [ vi, 30 p. ]-
dc.description.abstractVehicular Ad-hoc Networks (VANETs) are one of typical application of wireless communication technology, which provide communications among nearby vehicles and between vehicles and roadside units (RSUs) connected the infrastructure. VANETs provide a perfect way to collect dynamic traffic information and sense various physical conditions related to traffic distribution with very low cost and high accuracy, which have a great potential to revolutionize driving environment, and will undoubtedly play an important role in the future transportation system. However, it is clear that security and privacy enhancing mechanisms are necessary, which are in fact a prerequisite for deployment. This has been recently well understood in academia, the industry, and among authorities. And a large number of agreed efforts have been undertaken to design security architectures for VANET systems. Extensive research efforts have been made by both industry and academia to make VANETs secure. In this thesis, we proposed a novel anonymous authentication scheme in VANETs. Our proposed scheme guarantees authentication, anonymity, unlinkability, and traceability simultaneously. The unlinkability which enables privacy preservation and the traceability which enables conditional tracking are contradictory. We utilize the traceable ring signature scheme with the $k$ -times anonymous authentication scheme to address the contradictory between the unlinkability and the traceability. Our scheme also uses elliptic curve cryptosystem to achieve storage, computation, and communication efficiency. Compared with existing works, we claim that our scheme has better performance in terms of storage, computation, and communication overhead. In addition, our scheme has three advantages compared with other previous works. First, our scheme doesn`t have revocation list update process in authentication process. Second, our scheme always provides unlinkability although multiple RSUs are compromised. Finally, our ...eng
dc.subjectVehicular Ad-hoc Network-
dc.subjectAnonymous Authentication-
dc.subject익명 인증-
dc.subject차량 애드-혹 네트워크-
dc.title(A) study on efficient anonymous authentication scheme in vehicular ad-hoc networks = 차량 애드-혹 네트워크에서의 효율적인 익명 인증 기법 연구-
dc.identifier.CNRN467933/325007 -
dc.description.department한국과학기술원 : 전산학과, -
dc.contributor.localauthorKim, Kwang-Jo-
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