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A Secure Two-party Password-authenticated Key Exchange Protocol

Xiang Shun-bo

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Abstract

Password authenticated key exchange protocol for the server leaks disguised attack against the attacks,a two-party password authenticated key exchange protocol is proposed,and the security of the protocol is analyzed.The proposed protocol,the user expressly preserve their own password,the server stores user passwords in clear text authentication value,between the user and the server identity and by the value of information with password authentication to authenticate each other.Analysis showed that the proposed protocol is secure.

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What this paper is about

Password authenticated key exchange protocol for the server leaks disguised attack against the attacks,a two-party password authenticated key exchange protocol is proposed,and the security of the protocol is analyzed.The proposed protocol,the user expressly preserve their own password,the server stores user passwords in clear text authentication value,between the user and the server identity and by the value of information with password authentication to authenticate each other.Analysis showed that the proposed protocol is secure.

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Available abstract

Password authenticated key exchange protocol for the server leaks disguised attack against the attacks,a two-party password authenticated key exchange protocol is proposed,and the security of the protocol is analyzed.The proposed protocol,the user expressly preserve their own password,the server stores user passwords in clear text authentication value,between the user and the server identity and by the value of information with password authentication to authenticate each other.Analysis showed that the proposed protocol is secure.

Key concepts: Password, S/KEY, Zero-knowledge password proof, Computer science, Computer security, Authenticated Key Exchange, One-time password, Password strength

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