科研之友
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摘要
We analyze the security of the Li et al. authentication scheme and show its vulnerability to off-line password-guessing and replay attacks. We design a new anonymous authentication scheme. The proposed scheme not only removes the drawback of the scheme of the Li et al. scheme but also protects user's anonymity. Moreover, we show validity of our proposed scheme using Burrows, Abadi, and Needham logic. Our scheme is comparable in terms of the communication and computational overhead with related schemes.
- 出版日期2017-1-10
