A secure password-authenticated key exchange between clients with different passwords

Authors:
Eun-Jun Yoon;Kee-Young Yoo
Affiliations:
Department of Computer Engineering, Kyungpook National University, Daegu, Republic of Korea;Department of Computer Engineering, Kyungpook National University, Daegu, Republic of Korea
Venue:
APWeb'06 Proceedings of the 2006 international conference on Advanced Web and Network Technologies, and Applications
Year:
2006

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Abstract

In 2004, Kim et al. proposed an improvement to Byun et al.’s client to client password-authenticated key exchange(C2C-PAKE) protocol in a cross-realm setting. However, the current paper demonstrates that Kim et al.’s C2C-PAKE protocol is susceptible to a one-way man-in-the-middle attack and a password-compromise impersonation attack. Also, we presents an enhancement to resolve such problems.