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支持属性证书的RBAC模型及其在CSCW中的应用研究 被引量：4

Research on role based access control model supporting attribute certificate and its application in CSCW
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摘要 针对CSCW(computer supported cooperative work)中的访问控制需求,利用基于角色和基于任务的访问控制技术,将协同设计中的用户、任务、角色、权限相关联,并引入属性证书进行授权,建立了一种新的访问控制模型NT-RBAC(new task-role based access control),并实现了基于该模型的访问控制子系统。实例表明NT-RBAC提高了CSCW中访问控制的灵活性和安全性。 According to the requirement of access control in CSCW（computer supported cooperative work）, a new access control model NT-RBAC was constructed with the technology of access control based on role and task. The model associated users with task, role and permission in collaborative design. Meanwhile the attribute certificate was introduced to authorize permissions. Finally, an access control system based on this model was implemented, and instances show that the proposed system can improve the agility and security of the access control effectively.
作者 陆佃杰 刘弘
机构地区 山东师范大学信息科学与工程学院
出处 《通信学报》 EI CSCD 北大核心 2006年第11期161-165,共5页 Journal on Communications
基金 国家自然科学基金(69975010 60374054) 山东省自然科学基金(Y2003G01 Z2004G02)~~
关键词 CSCW 角色 任务 属性证书 CSCW role task attribute certificate
分类号 TP311 [自动化与计算机技术—计算机软件与理论]
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参考文献9

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通信学报
2006年 第11期

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