This paper focus on the exchange of security information, management of network trust domain, authority control and duty confirmation.
论文工作重点解决了典型电子政务模型中安全信息交换、网络信任域管理、用户授权访问、责任认定服务等问题。
The distributed network is open, collaborative and dynamic, in which each node has a high degree of autonomy. So it is difficult to carry out centralized management of trust.
由于分布式网络具有开放性、协作性和动态性的特点，每个节点具有高度的自主性，所以很难对信任进行集中管理。
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