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This paper presents a novel three-party key agreement protocol using password authentication, which enables each client sharing a long-lived secret only with a trusted server to exchange confidential and authenticated information with another client over an insecure network via the server. The proposed protocol is based on extended chaotic maps and adopts the technique that the clients can publicly...
This investigation proposes a secure and efficient three-party encrypted key exchange (3PEKE) protocol based on the LSSH-3PEKE protocol proposed by Lin et al. [Lin, C.-L., Sun, H.-M., Steiner, M., Hwang, T., 2001. IEEE Commun. Lett. 5 (12), 497–499]. The computational cost of the proposed protocol is equal to that of the LSSH-3PEKE protocol. However, the number of steps in communication is one fewer...
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