J Med Syst - A secure and efficient chaotic map-based authenticated key agreement scheme for telecare medicine information systems.

Tópicos

{ system(1050) medic(1026) inform(1018) }
{ patient(1821) servic(1111) care(1106) }
{ result(1111) use(1088) new(759) }
{ can(774) often(719) complex(702) }
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{ featur(1941) imag(1645) propos(1176) }
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{ age(1611) year(1155) adult(843) }
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{ method(1969) cluster(1462) data(1082) }
{ method(2212) result(1239) propos(1039) }
{ detect(2391) sensit(1101) algorithm(908) }

Resumo

Advancement in network technology provides new ways to utilize telecare medicine information systems (TMIS) for patient care. Although TMIS usually faces various attacks as the services are provided over the public network. Recently, Jiang et al. proposed a chaotic map-based remote user authentication scheme for TMIS. Their scheme has the merits of low cost and session key agreement using Chaos theory. It enhances the security of the system by resisting various attacks. In this paper, we analyze the security of Jiang et al.'s scheme and demonstrate that their scheme is vulnerable to denial of service attack. Moreover, we demonstrate flaws in password change phase of their scheme. Further, our aim is to propose a new chaos map-based anonymous user authentication scheme for TMIS to overcome the weaknesses of Jiang et al.'s scheme, while also retaining the original merits of their scheme. We also show that our scheme is secure against various known attacks including the attacks found in Jiang et al.'s scheme. The proposed scheme is comparable in terms of the communication and computational overheads with Jiang et al.'s scheme and other related existing schemes. Moreover, we demonstrate the validity of the proposed scheme through the BAN (Burrows, Abadi, and Needham) logic.

Resumo Limpo

advanc network technolog provid new way util telecar medicin inform system tmis patient care although tmis usual face various attack servic provid public network recent jiang et al propos chaotic mapbas remot user authent scheme tmis scheme merit low cost session key agreement use chao theori enhanc secur system resist various attack paper analyz secur jiang et al scheme demonstr scheme vulner denial servic attack moreov demonstr flaw password chang phase scheme aim propos new chao mapbas anonym user authent scheme tmis overcom weak jiang et al scheme also retain origin merit scheme also show scheme secur various known attack includ attack found jiang et al scheme propos scheme compar term communic comput overhead jiang et al scheme relat exist scheme moreov demonstr valid propos scheme ban burrow abadi needham logic

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