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An Enhanced Biometric-Based Authentication Scheme for Telecare Medicine Information Systems Using Elliptic Curve Cryptosystem

机译:基于椭圆曲线密码系统的远程医疗医学信息系统的基于生物特征的增强认证方案

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摘要

The telecare medical information systems (TMISs) enable patients to conveniently enjoy telecare services at home. The protection of patient’s privacy is a key issue due to the openness of communication environment. Authentication as a typical approach is adopted to guarantee confidential and authorized interaction between the patient and remote server. In order to achieve the goals, numerous remote authentication schemes based on cryptography have been presented. Recently, Arshad et al.(J Med Syst 38(12): 2014) presented a secure and efficient three-factor authenticated key exchange scheme to remedy the weaknesses of Tan et al.’s scheme (J Med Syst 38(3): 2014). In this paper, we found that once a successful off-line password attack that results in an adversary could impersonate any user of the system in Arshad et al.’s scheme. In order to thwart these security attacks, an enhanced biometric and smart card based remote authentication scheme for TMISs is proposed. In addition, the BAN logic is applied to demonstrate the completeness of the enhanced scheme. Security and performance analyses show that our enhanced scheme satisfies more security properties and less computational cost compared with previously proposed schemes.
机译:远程医疗医学信息系统(TMIS)使患者能够在家中方便地享受远程医疗服务。由于通信环境的开放性,保护患者隐私是一个关键问题。采用身份验证作为一种典型方法来保证患者和远程服务器之间的机密和授权交互。为了实现这些目标,已经提出了许多基于密码的远程认证方案。最近,Arshad等人(J Med Syst 38(12):2014)提出了一种安全有效的三因素身份验证密钥交换方案,以弥补Tan等人方案的弱点(J Med Syst 38(3): 2014)。在本文中,我们发现,一旦成功的离线密码攻击导致了对手的攻击,就可以冒充Arshad等人的方案的系统中的任何用户。为了阻止这些安全攻击,提出了一种针对TMIS的增强型基于生物识别和智能卡的远程身份验证方案。此外,BAN逻辑可用于演示增强方案的完整性。安全性和性能分析表明,与以前提出的方案相比,我们的增强方案满足更多的安全性和更少的计算成本。

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