[Resource Topic] 2013/848: Weakness of Several Identity-based Tripartite Authenticated Key Agreement Protocols

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Title:
Weakness of Several Identity-based Tripartite Authenticated Key Agreement Protocols

Authors: Xi-Jun Lin, Lin Sun

Abstract:

Key agreement allows multi-parties exchanging public information to create a common secret key that is known only to those entities over an insecure network. In recent years, several identity-based authenticated key agreement protocols have been proposed. In this study, we analyze three identity-based tripartite authenticated key agreement protocols. After the analysis, we found that these protocols do not possess the desirable security attributes.

ePrint: https://eprint.iacr.org/2013/848

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