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Weaknesses of a Verifier-Based Password-Authenticated Key Exchange Protocol in the Three-Party Setting

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2 Author(s)
Qiong Pu ; Dept. of Electron., Inf. Eng. Univ., Zhengzhou, China ; Wei Liu

Quite recently, Li et al's suggested an efficient verifier-based password-authentication key exchange protocol via elliptic curves. In this paper, we shows that their protocol is still vulnerable to off-line dictionary attack and unknown key-share attack. Through our work, we hope the similar mistakes can be avoided in future designs.

Published in:

Research Challenges in Computer Science, 2009. ICRCCS '09. International Conference on

Date of Conference:

28-29 Dec. 2009