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Security Enhanced Anonymous User Authenticated Key Agreement Scheme Using Smart Card 被引量:3

Security Enhanced Anonymous User Authenticated Key Agreement Scheme Using Smart Card
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摘要 Nowadays, the password-based remote user authentication mechanism using smart card is one of the simplest and convenient authentication ways to ensure secure communications over the public network environments. Recently, Liu et al. proposed an efficient and secure smart card based password authentication scheme. However, we find that Liu et al.’s scheme is vulnerable to the off-line password guessing attack and user impersonation attack. Furthermore, it also cannot provide user anonymity. In this paper, we cryptanalyze Liu et al.’s scheme and propose a security enhanced user authentication scheme to overcome the aforementioned problems. Especially, in order to preserve the user anonymity and prevent the guessing attack, we use the dynamic identity technique. The analysis shows that the proposed scheme is more secure and efficient than other related authentication schemes. Nowadays, the password-based remote user authentication mechanism using smart card is one of the simplest and convenient authentication ways to ensure secure communications over the public network environments. Recently, Liu et al. proposed an efficient and secure smart card based password authentication scheme. However, we find that Liu et al.'s scheme is vulnerable to the off-line password guessing attack and user impersonation attack. Furthermore, it also cannot provide user anonymity. In this paper, we cryptanalyze Liu et al.'s scheme and propose a security enhanced user authentication scheme to overcome the aforementioned problems. Especially, in order to preserve the user anonymity and prevent the guessing attack, we use the dynamic identity technique. The analysis shows that the proposed scheme is more secure and efficient than other related authentication schemes.
出处 《Journal of Electronic Science and Technology》 CAS CSCD 2018年第1期45-49,共5页 电子科技学刊(英文版)
基金 supported by the Basic Science ResearchProgram through the National Research Foundation of Korea funded by the Ministry of Education under Grant No.NRF-2010-0020210
关键词 AUTHENTICATION off-line password guessing attack smart card user anonymity Authentication off-line password guessing attack smart card user anonymity
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