Security Enhancement for a Three-Party Encrypted Key Exchange Protocol against Undetectable On-Line Password Guessing Attacks

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题名:	Security Enhancement for a Three-Party Encrypted Key Exchange Protocol against Undetectable On-Line Password Guessing Attacks
作者:	Chen, H. B.;Chen, T. H.;Lee, W. B.;Chang, C. C.
日期:	2008-01
上传时间:	2009-12-17 06:57:52 (UTC+0)
出版者:	Asia University
摘要:	In 1995, a potential attack, called undetectable on-line password guessing attack, on three-party encrypted key exchange (3PEKE) protocol is highlighted by Ding and Horster. Since then, this attack has been one of the main concerns for developing a secure 3 PEKE protocol. Recently, Chang and Chang proposed a password-based three-party encrypted key exchange protocol that simultaneously possesses round and computation efficiencies. However, this paper shows that their protocol is potentially vulnerable toward undetectable on-line password guessing attacks. As their protocol is currently one of the most superior of all 3PEKE approaches; it seems worthwhile and valuable to remedy this potential security problem.
關聯:	Computer standards & Interfaces 30(1-2): 95-99
显示于类别:	[資訊工程學系] 期刊論文

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