ICASME: An Improved Cloud-Based Authentication Scheme for Medical Environment

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• 作者：Qingfeng Cheng ; Xinglong Zhang ; Jianfeng Ma
• 关键词：Telecare medicine information systems ; Authenticated key agreement protocol ; Forward security ; Key compromise impersonation
• 刊名：Journal of Medical Systems
• 出版年：2017
• 出版时间：March 2017
• 年：2017
• 卷：41
• 期：3
• 全文大小：
• 刊物类别：Mathematics and Statistics
• 刊物主题：Health Informatics; Health Informatics; Statistics for Life Sciences, Medicine, Health Sciences;
• 出版者：Springer US
• ISSN：1573-689X
• 卷排序：41

文摘

Unlike the traditional medical system, telecare medicine information system (TMIS) ensures that patients can get health-care services via the Internet at home. Authenticated key agreement protocol is very important for protecting the security in TMIS. Recently scholars have proposed a lot of authenticated key agreement protocols. In 2016, Chiou et al. demonstrated that Chen et al.’s authentication scheme fails to provide user’s anonymity and message authentication and then proposed an enhanced scheme (Chiou et al., J. Med. Syst. 40(4):1–15, 2006) to overcome these drawbacks. In this paper, we demonstrate that Chiou et al.’s scheme is defenseless against key compromise impersonation (KCI) attack and also fails to provide forward security. Moreover, we propose a novel authentication scheme namely ICASME to overcome the mentioned weaknesses in this paper. Security analyses show that ICASME achieves the forward security and KCI attack resistance. In addition, it is proved that the time taken to implement the ICASME is not intolerable compared to the original protocol.