分析表明，改进后的区域注册安全认证机制可以提供通信实体间的身份认证和抗重放攻击。

The results show that the improved regional registration security authentication mechanism can offer identity authentication among communicate entities and resist playback attack.

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在通信可靠性和安全性要求较高的实时网络中，建议采用改进的环形拓扑。

This paper proposes an effective improved ring topology for the real-time network with high communication reliability and security.

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针对基于SSL的安全通信模型中ssl握手协议部分在访问控制方面的缺陷，本文提出了一个基于pmi的全解决方案，并对改进设计进行了分析和BAN逻辑证明。

As for the flaws of the SSL handshake protocol part in the SSL based security communication model, the thesis proposes a PMI based solution and analyzes the design by using the BAN logic.

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