New conference key agreement protocol with user anonymity |
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| Affiliation: | 1. School of Computer Science, Zhongyuan University of Technology, 41 Zhongyuan Road (M), Zhengzhou 450007, PR China;2. School of Information Security Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, PR China;3. Experiment Management Center, Zhongzhou University, Zhengzhou 450044, PR China |
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| Abstract: | In 2003, Yang et al. presented a conference key distribution system that was intended to provide user anonymity. Subsequently, Lin et al. pointed out a security flaw in Yang et al.'s scheme based on solving linear equations and proposed a modified scheme. Accordingly, the current paper reviews the schemes proposed by Yang et al. and Lin et al., highlights the weakness in both schemes, and then proposes a new conference key agreement scheme with user anonymity. |
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