| Summary: | 碩士 === 中國文化大學 === 資訊管理學系 === 107 === In recent years, the technology of the Internet of Things (IoT) develops rapidly. By combining radio frequency identification (RFID) and wireless sensing networks with cloud computing, the Internet of Things can be used to build smart environments such as intelligent health and transportation system, etc. On the other hand, cosidering the limited computing capability of IoT devices, it is essential to provide a lightweight and secure IoT remote authentication scheme to satisfy the security requirement. Many scholars have proposed the research results of the IoT authentication mecha-nism. In 2018, Amin et al. pointed out that the authentication scheme proposed by Xue et al. and Chuang et al. has weaknesses such as user anonymity and internal at-tacks, and proposes an improved scheme. In the same year, Li et al. pointed out the Jiang et al.’s scheme, which has the weakness of being unable to detect unauthorized login and the vulnerability of the session key and also proposes a new mechanism. However, we find the schemes of Amin et al. still has internal attacks and user ano-nymity, and Li et al. have similar problems. Therefore, this study proposes an en-hanced lightweight IoT authentication mechanism based on the results of the security analysis of previous schemes and proves the proposed scheme provides the security requirements of IoT authentication through security and efficient analysis and will be more suitable for the real world.
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