Improving Security of A Communication-efficient Three-party Password Authentication Key Exchange Protocol

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Title:	Improving Security of A Communication-efficient Three-party Password Authentication Key Exchange Protocol
Authors:	李正吉;Cheng-Chi Lee；Shih-Ting Chiu；Chun-Ta Li
Contributors:	光電與通訊學系
Keywords:	International Journal of Network Security
Date:	2015-01
Issue Date:	2015-03-25 07:14:09 (UTC+0)
Abstract:	Three-party Password-based Authentication Key Exchange (3PAKE) allows a trusted server to assist two users to establish a common session key. Recently, Wu et al. pointed out that Chang et al.'s 3PAKE was vulnerable to the off-line guessing attack and proposed an improved 3PAKE to fix the problem. However, we found that Wu et al.'s protocol is still subject to the off-line guessing attack. In addition, the paper offers a simple method to detect the attack.
Relation:	李正吉
Appears in Collections:	[Department of Photonics and Communication Engineering] Journal Article

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