PKI based security scheme for railway ticket and reservation system is presented, from trust model, management system to security design.

从信任模型、管理体制、安全性设计等方面提出适合于铁路客票系统的基于PKI的安全解决方案。

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The basic consider of the trusted compute is: at first structuring a trust root, the credibility of which is guaranteed by the physics security and management security.

可信计算的基本思路是：首先构建一个信任根，信任根的可信性由物理安全和管理安全确保。

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Security is a key issue in Online transaction, traders 'reputation evaluation and trust management are the foundation and difficulty to transaction security.

交易安全是在线交易中的一个核心问题，而交易者的名声评估与信任管理则是交易安全的基础和难点。

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