J Med Syst - An enhanced biometric authentication scheme for telecare medicine information systems with nonce using chaotic hash function.

Tópicos

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Resumo

Recently, Awasthi and Srivastava proposed a novel biometric remote user authentication scheme for the telecare medicine information system (TMIS) with nonce. Their scheme is very efficient as it is based on efficient chaotic one-way hash function and bitwise XOR operations. In this paper, we first analyze Awasthi-Srivastava's scheme and then show that their scheme has several drawbacks: (1) incorrect password change phase, (2) fails to preserve user anonymity property, (3) fails to establish a secret session key beween a legal user and the server, (4) fails to protect strong replay attack, and (5) lacks rigorous formal security analysis. We then a propose a novel and secure biometric-based remote user authentication scheme in order to withstand the security flaw found in Awasthi-Srivastava's scheme and enhance the features required for an idle user authentication scheme. Through the rigorous informal and formal security analysis, we show that our scheme is secure against possible known attacks. In addition, we simulate our scheme for the formal security verification using the widely-accepted AVISPA (Automated Validation of Internet Security Protocols and Applications) tool and show that our scheme is secure against passive and active attacks, including the replay and man-in-the-middle attacks. Our scheme is also efficient as compared to Awasthi-Srivastava's scheme.

Resumo Limpo

recent awasthi srivastava propos novel biometr remot user authent scheme telecar medicin inform system tmis nonc scheme effici base effici chaotic oneway hash function bitwis xor oper paper first analyz awasthisrivastava scheme show scheme sever drawback incorrect password chang phase fail preserv user anonym properti fail establish secret session key beween legal user server fail protect strong replay attack lack rigor formal secur analysi propos novel secur biometricbas remot user authent scheme order withstand secur flaw found awasthisrivastava scheme enhanc featur requir idl user authent scheme rigor inform formal secur analysi show scheme secur possibl known attack addit simul scheme formal secur verif use widelyaccept avispa autom valid internet secur protocol applic tool show scheme secur passiv activ attack includ replay maninthemiddl attack scheme also effici compar awasthisrivastava scheme

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