An improved efficient anonymous authentication with conditional privacy-preserving scheme for VANETs.

The study of security and privacy in vehicular ad hoc networks (VANETs) has become a hot topic that is wide open to discussion. As the quintessence of this aspect, authentication schemes deployed in VANETs play a substantial role in providing secure communication among vehicles and the surrounding i...

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Autores principales:	Eko Fajar Cahyadi, Min-Shiang Hwang
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/872ee514dc7e4d5f8e17f956afadd78a
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spelling	oai:doaj.org-article:872ee514dc7e4d5f8e17f956afadd78a2021-12-02T20:08:18ZAn improved efficient anonymous authentication with conditional privacy-preserving scheme for VANETs.1932-620310.1371/journal.pone.0257044https://doaj.org/article/872ee514dc7e4d5f8e17f956afadd78a2021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0257044https://doaj.org/toc/1932-6203The study of security and privacy in vehicular ad hoc networks (VANETs) has become a hot topic that is wide open to discussion. As the quintessence of this aspect, authentication schemes deployed in VANETs play a substantial role in providing secure communication among vehicles and the surrounding infrastructures. Many researchers have proposed a variety of schemes related to information verification and computation efficiency in VANETs. In 2018, Kazemi et al. proposed an evaluation and improvement work towards Azees et al.'s efficient anonymous authentication with conditional privacy-preserving (EAAP) scheme for VANETs. They claimed that the EAAP suffered from replaying attacks, impersonation attacks, modification attacks, and cannot provide unlinkability. However, we also found out if Kazemi et al.'s scheme suffered from the unlinkability issue that leads to a forgery attack. An adversary can link two or more messages sent by the same user by applying Euclid's algorithm and derives the user's authentication key. To remedy the issue, in this paper, we proposed an improvement by encrypting the message using a shared secret key between sender and receiver and apply a Nonce in the final message to guarantee the unlinkability between disseminated messages.Eko Fajar CahyadiMin-Shiang HwangPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 9, p e0257044 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Eko Fajar Cahyadi Min-Shiang Hwang An improved efficient anonymous authentication with conditional privacy-preserving scheme for VANETs.
description	The study of security and privacy in vehicular ad hoc networks (VANETs) has become a hot topic that is wide open to discussion. As the quintessence of this aspect, authentication schemes deployed in VANETs play a substantial role in providing secure communication among vehicles and the surrounding infrastructures. Many researchers have proposed a variety of schemes related to information verification and computation efficiency in VANETs. In 2018, Kazemi et al. proposed an evaluation and improvement work towards Azees et al.'s efficient anonymous authentication with conditional privacy-preserving (EAAP) scheme for VANETs. They claimed that the EAAP suffered from replaying attacks, impersonation attacks, modification attacks, and cannot provide unlinkability. However, we also found out if Kazemi et al.'s scheme suffered from the unlinkability issue that leads to a forgery attack. An adversary can link two or more messages sent by the same user by applying Euclid's algorithm and derives the user's authentication key. To remedy the issue, in this paper, we proposed an improvement by encrypting the message using a shared secret key between sender and receiver and apply a Nonce in the final message to guarantee the unlinkability between disseminated messages.
format	article
author	Eko Fajar Cahyadi Min-Shiang Hwang
author_facet	Eko Fajar Cahyadi Min-Shiang Hwang
author_sort	Eko Fajar Cahyadi
title	An improved efficient anonymous authentication with conditional privacy-preserving scheme for VANETs.
title_short	An improved efficient anonymous authentication with conditional privacy-preserving scheme for VANETs.
title_full	An improved efficient anonymous authentication with conditional privacy-preserving scheme for VANETs.
title_fullStr	An improved efficient anonymous authentication with conditional privacy-preserving scheme for VANETs.
title_full_unstemmed	An improved efficient anonymous authentication with conditional privacy-preserving scheme for VANETs.
title_sort	improved efficient anonymous authentication with conditional privacy-preserving scheme for vanets.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/872ee514dc7e4d5f8e17f956afadd78a
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An improved efficient anonymous authentication with conditional privacy-preserving scheme for VANETs.

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