并在此基础之上，把运用于诸如电子商务等其他领域中的数字签名技术引入“校园一卡通”系统，设计出了校园CPU卡的密钥管理系统。

After do this, the paper introduce the digital signature which used in other domain such ase-commerce into "campus Cards System" then design the campus CPU card key management.

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以密钥管理在校园一卡通系统中的应用为中心，研究密钥管理系统在一卡通系统中的具体应用模式，并在校园一卡通项目中实现了密钥管理。

Through an application example of key management system in campus ECard system, this paper studies the specific application mode, and the key management has been used in campus ECard project.

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校园一卡通系统是以ic卡为信息载体的适用于校园消费和管理的网络系统。

The system of all-purpose card of campus is a network system which is suitable for consuming and management of the campus, taking IC card as information carrier.

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