Improved anonymity preserving three-party mutual authentication key exchange protocol based on chaotic maps

Kyong-Sok Pak, Mi-Hyang Kim, Song-Ho Pak and Chol-Man Ho

PLOS ONE, 2022, vol. 17, issue 9, 1-34

Abstract: Three-party authentication key exchange is a protocol that allows two users to set up a session key for encrypted communication by the help of a trusted remote server. Providing user anonymity and mutual authentication in the authentication key exchange is important security requirements to protect users’ privacy and enhance its security performance. Recently Li proposed a chaotic maps-based authentication key exchange protocol which attempts to provide mutual authentication and user anonymity, but we found that there were some faults in the key exchange phase and password change phase of his scheme. We prove that Li’s scheme does not provide user anonymity and that the user’s privacy information is disclosed, and propose enhanced three-party authentication key exchange protocol that provides user anonymity and we analyse its security properties and verify its validity based on BAN logic and AVISPA tool.

Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0273664

DOI: 10.1371/journal.pone.0273664

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