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首页> 外文期刊>Journal of Information Recording >A Secure Sketch-based Authentication Scheme for Telecare Medicine Information Systems
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A Secure Sketch-based Authentication Scheme for Telecare Medicine Information Systems

机译：用于远程护理医学信息系统的基于草图的安全认证方案

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摘要

The Telecare Medicine Information System (TMIS) has brought us a lot of conveniences. However, it may also reveal patients' privacies and other important information. So the security of TMIS can be paid much attention to, in which identity authentication plays a very important role in protecting TMIS from being illegally used. To improve the situation, TMIS needs a more secure and more efficient authentication scheme. Recently, Yan and Li et al. have proposed a secure authentication scheme for the TMIS based on biometrics, claiming that it can withstand various attacks. In this paper, we present several security problems in their scheme as follows: (a) it cannot really achieve three-factor authentication; (b) it has design flaws at the password change phase; (c) users' biometric may be locked out; (d) it fails to achieve users' anonymous identity. To solve these problems, a new scheme using the theory of Secure Sketch is proposed. The thorough analysis shows that our scheme can provide a stronger security than Yan-Li's protocol, despite the little higher computation cost at client. What's more, the proposed scheme not only can achieve anonymity preserving but also can achieve session key agreement.
机译：远程医疗医学信息系统（TMIS）为我们带来了许多便利。但是，它也可能揭示患者的隐私和其他重要信息。因此，TMIS的安全性值得关注。身份认证在防止TMIS被非法使用方面起着非常重要的作用。为了改善这种情况，TMIS需要更安全，更有效的身份验证方案。最近，Yan和Li等。已经提出了一种基于生物识别技术的TMIS安全认证方案，声称它可以抵御各种攻击。在本文中，我们在其方案中提出了几个安全问题，如下所示：（a）它不能真正实现三要素身份验证； （b）在密码更改阶段存在设计缺陷； （c）用户的生物特征可能被锁定； （d）无法获得用户的匿名身份。为了解决这些问题，提出了一种使用安全草图理论的新方案。全面的分析表明，尽管客户端的计算成本稍高，但我们的方案可以提供比Yan-Li协议更强的安全性。而且，所提出的方案不仅可以实现匿名保存，而且可以实现会话密钥协商。

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