This way improved its security against password guessing attacks and password leaking without any change of the original protocol framework.

该方法在保持原有协议的基本体系不变的前提下，较大地提高了安全性，有效地防范了口令猜测攻击和口令泄漏等。

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But it still has some security hidden troubles, for instance: replay attack, password guessing, inter-session chosen plaintext attacks.

但仍存在一些隐患，例如：重放攻击、密码猜测、会话中选择明文攻击等等。

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Password entropy predicts how difficult a given password would be to crack through guessing, brute force cracking, dictionary attacks or other common methods.

密码熵预测给定的密码将是多么困难裂纹通过猜测，暴力破解、字典攻击或其他常见的方法。

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