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。
First in the physical security aspect the smart IC card can be protected by the key and the key can be stored in the machine of key manager.
首先在物理安全方面，选择安全的IC卡介质，通过设置洗卡密钥确保IC卡安全；
Different smart IC card has different characters of physical storage structure and data storage structure, IC card data storage model could present IC card internal storage structure.
不同型号的智能IC卡的存储器有其不同的物理存储器构造和不同的数据存储结构的特点，IC卡数据存储模型可以很好的描述IC卡内部存储结构。
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