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An anonymous key agreement protocol based on chaotic maps

✍ Scribed by Yujun Niu; Xingyuan Wang

Publisher
Elsevier Science
Year
2011
Tongue
English
Weight
192 KB
Volume
16
Category
Article
ISSN
1007-5704

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✦ Synopsis

Recently, Tseng et al. proposed a novel key agreement protocol based on chaotic maps. They claimed that the protocol achieved session key agreement between a server and a user, and allowed the user to anonymously interact with the server. This paper, however, will demonstrate that Tseng et al.'s protocol can not guarantee user anonymity and protocol security against an insider adversary who is a legal user, and it can not provide perfect forward secrecy. Furthermore, the current paper presents a new key agreement protocol based on Chebyshev chaotic map in order to conquer these problems. In contrast with Tseng et al.'s protocol, the proposed protocol is more secure and preserves user anonymity.

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