A revised key agreement protocol based on chaotic maps |
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Authors: | Abdollah Jabbari Jamshid Bagherzadeh |
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Institution: | 1. Department of Computer Engineering, Urmia University, Urmia, Iran
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Abstract: | Very recently, Chen et al. proposed a security-enhanced key agreement protocol based on Chebyshev chaotic map. They claimed that the proposed protocol can achieve session key agreement shared among the server and user with security and users anonymity. Although, in this paper, we will prove that Chen et al.’s protocol cannot guarantee security and user anonymity against internal adversary who is a legal user. Furthermore, we give some improvements to dominate the mentioned shortcomings. The analysis shows that our proposed improvements are secure and efficient. |
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