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�������պ����ѧѧ�� 2006, Vol. 32 Issue (07) :873-876    DOI:
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New model for token role-based access control on enterprise portal
Zhu Xiaojie, Xiong Zhang, Wu Jing*
School of Computer Science and Technology, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

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ժҪ ��ҵ�Ż����û��ͷ���Ȩ�޹�����о���һ����Ҿ���ս�ԵĹ���.��ͳ�Ļ��ڽ�ɫ�ķ��ʿ���ģ��(RBAC,Role-Based Access Control)��ʵ����ͨ���ܵ�һϵͳ��Ӧ�õ�Լ��,��������һ�ֻ������ƵĽ�ɫ���ʿ���ģ��(TRBAC,Token Role-Based Access Control)����ģ�Ͳ����Ż�ƽ̨�µĵ����¼(SSO,Single Sign On)����,��RBACģ�������Ʒ��ʻ�������,ʹ��ɫ�ܿ�Խ�Ż�ƽ̨�����е�WebӦ�ã���ģ����һ����̬�����ģ��,�����û�ʵ�ʵķ�������̬������Ӧ��ɫ,Ϊ�û�����ͷ��ʿ��ƹ����ṩ��һ���µĽ��������TRBACģ�;���ͳһ���û���ȫ�����׼,֧�ּ�����˺Ϳ��ƣ�ʵ������,����TRBAC ģ�������ϵͳ�ķ���Ч��,��֤��ϵͳ�İ�ȫ�ԣ�
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Abstract�� Manage users and access rights are a complex and challengeable job in enterprise portal. Importing the role concept may simplify the access control, but its implementation is usually constrained by the single system and application. A new model,TRBAC(token role-based access control), was proposed for RBAC(role-based access control)on enterprise portal, which integrated the SSO(single sign on) technology and combined the RBAC model with token access mechanism. The role could span all web systems in portal. It was a token-based and dynamic-activated access control model, which could dynamically adjust the access rights according to user access requirement. It solved the problems on user management and access control management, and supported the corporate security standards, central auditing and control. The practice indicates that TRBAC improves the system efficiency and ensures the security.
Keywords�� enterprise portal   access control model   role-based access control   token     
Received 2005-07-25;
Fund:

���Ҹ߼����о���չ�ƻ�(863�ƻ�)������Ŀ(2002AA113070)

About author: ������(1982-), Ů, ������̶��, ˶ʿ��, zhu xiaojie@hotmail.com.
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������, ���, �⾧.��ҵ�Ż��л������ƵĽ�ɫ���ʿ���ģ��[J]  �������պ����ѧѧ��, 2006,V32(07): 873-876
Zhu Xiaojie, Xiong Zhang, Wu Jing.New model for token role-based access control on enterprise portal[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2006,V32(07): 873-876
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http://bhxb.buaa.edu.cn//CN/     ��     http://bhxb.buaa.edu.cn//CN/Y2006/V32/I07/873
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