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Published in:
2013 | OriginalPaper | Chapter
Improvement of a Chaotic Map Based Key Agreement Protocol That Preserves Anonymity
Authors : Hyunsik Yang, Jin Qiuyan, Hanwook Lee, Kwangwoo Lee, Dongho Won
Published in: Grid and Pervasive Computing
Publisher: Springer Berlin Heidelberg
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In 2009, Tseng et al. proposed a key agreement protocol based on chaotic maps. Tseng et al. claimed that their protocol preserve user anonymity. However, Tseng et al.’s protocol is insecure against the insider attack. Nui et al. proposed a new anonymous key agreement protocol in 2011. Unfortunately, Nui et al.’s protocol cannot provide user anonymity and has computational efficiency problem. We introduce a new key agreement protocol based on Chebyshev chaotic map. Our protocol overcomes these security problems and provides user anonymity.