Cryptology ePrint Archive: Report 2007/184

Provable password-based tripartite key agreement protocol

Chunbo Ma, Jun Ao, and Jianhua Li

Abstract: A password-based tripartite key agreement protocol is presented in this paper. The three entities involved in this protocol can negotiate a common session key via a shared password over insecure networks. Proofs are given to show that the proposed protocol is secure against forging and chosen message attacks in the case of without actually running a dictionary attack.

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Date: received 16 May 2007, last revised 21 Jul 2007

Contact author: machunbo at sjtu edu cn

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Version: 20070721:153941 (All versions of this report)

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