The fundamental security goal of verifier-based password-authenticated key exchange protocol is security against dictionary attack and server compromise attack.

基于验证元的口令认证密钥交换协议的最基本安全目标是抵抗字典攻击和服务器泄露攻击。

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This paper first presents the security analysis of two verifier-based password-authenticated key exchange protocols for three-party and points out that they are both insecure.

首先对两个基于验证元的三方口令密钥交换协议进行了安全性分析，指出它们都是不安全的。

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