A Two-Party Password-Authenticated Key Exchange Protocol with Verifier  

A Two-Party Password-Authenticated Key Exchange Protocol with Verifier

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作  者:Shunbo Xiang Bing Xu Ke Chen Shunbo Xiang;Bing Xu;Ke Chen(School of Computer, Guangdong University of Petrochemical Technology, Maoming, China)

机构地区:[1]School of Computer, Guangdong University of Petrochemical Technology, Maoming, China

出  处:《Journal of Computer and Communications》2021年第4期102-109,共8页电脑和通信(英文)

摘  要:To tackle with the security lack in the password-authenticated key exchange protocol, this paper proposes a two-party password-authenticated key exchange protocol based on a verifier. In the proposed protocol, a user stores his password in plaintext, and the server stores a verifier for the user’s password, using DL difficult problem and DH difficult problem, through the session between user and server to establish a session key. The security discussion result shows that the proposed protocol provides forward secrecy, and can effectively defend against server compromising fake attacks, dictionary attacks and middleman attacks. Protocol efficiency comparisons reveal our protocol is more reasonable.To tackle with the security lack in the password-authenticated key exchange protocol, this paper proposes a two-party password-authenticated key exchange protocol based on a verifier. In the proposed protocol, a user stores his password in plaintext, and the server stores a verifier for the user’s password, using DL difficult problem and DH difficult problem, through the session between user and server to establish a session key. The security discussion result shows that the proposed protocol provides forward secrecy, and can effectively defend against server compromising fake attacks, dictionary attacks and middleman attacks. Protocol efficiency comparisons reveal our protocol is more reasonable.

关 键 词:VERIFIER Password-Authenticated Key Exchange Fake Attack Dictionary Attack Session Key 

分 类 号:TP3[自动化与计算机技术—计算机科学与技术]

 

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