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。
This paper focus on the exchange of security information, management of network trust domain, authority control and duty confirmation.
PKI利用可信的第三方认证机构（CA）签发的数字证书在网络通信中建立和管理信任。
With the digital certification enacted by CA, Public Key Infrastructure (PKI) provides a framework to construct and manage the trust relationship.
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。
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.
P2P网络的匿名性和动态性带来了许多安全问题，传统的信任管理模型并不能很好的适应对等网络环境。
The anonymity and dynamics of the P2P (peer to peer) network bring many security problem, The traditional trust manage model can not satisfy the P2P environment commendably.
传统的分布式访问控制模型以及信任管理模型并不能很好地适应对等网络环境。
The traditional access control models and trust management models can not satisfy the P2P environment commendably.
如果信任电脑作品它应该的方式，一个没有经验的或懒洋洋的管理员不会能够无意中妥协通过低效的系统或网络安全政策。
If the trusted PC works the way it should, an inexperienced or lackadaisical administrator won't be able to unwittingly compromise system or network security through inefficient policies.
如果信任电脑作品它应该的方式，一个没有经验的或懒洋洋的管理员不会能够无意中妥协通过低效的系统或网络安全政策。
If the trusted PC works the way it should, an inexperienced or lackadaisical administrator won't be able to unwittingly compromise system or network security through inefficient policies.
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