文献类型：会议论文

英文题名：Digital Signature Based on User Role Token and Its Application to E-Government

作者：Yu, Xin[1];Hu, Lishuan[1]

第一作者：于鑫

通讯作者：Yu, X.

机构：[1]Beijing Union Univ, Coll Automat, Beijing, Peoples R China

第一机构：北京联合大学城市轨道交通与物流学院

通讯机构：[1]College of Automation, Beijing Union University, Beijing, China|[1141751]北京联合大学城市轨道交通与物流学院;[11417]北京联合大学;

会议论文集：International Conference on E-Learning, E-Business, Enterprise Information Systems and E-Government

会议日期：DEC 05-06, 2009

会议地点：Hong Kong, PEOPLES R CHINA

语种：英文

外文关键词：E-government; security; digital signature; user role; web service

摘要：Information is an irreversible general trend of social and world economy's development. E-government means to make full use of information technology to enhance the effective management of the government, in order to promote transformation of government functions and improve management level. However, E-government faces with some problems, such as security issues. First, this paper analyzes the characteristics of E-government system and points out its security threats. Then this paper gives outs an frame of E-government security system based on the user role certificates. In the end, the implementation model based on web service is described in detail.