Key management can make the key transporting on IP network safe and accurate greatly combining with PKI and smart card method.

密钥管理通过IP网络传输，结合PKI与智能卡技术，可以保证密钥传输的安全性和正确性。

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Discussed the content and the server of the PKI system, combining smart IC card technology research presented security subsystem solutions.

同时，也对PKI技术体系的内容和所能提供的服务作了研究，结合智能IC卡技术的研究提出了安全子系统的解决方案。

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The architecture of WPKI and the features of PKI based smart card are introduced. The weakness on storage and processing ability of smart card are analyzed.

介绍了WPKI体系的结构和PK I智能卡的特点，分析了智能卡在存储能力和处理能力上的局限性。

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