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Volume 30 Issue 05
May  2004
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Journal of Beijing University of Aeronautics and Astronautics  > 2004  >  30(05): 452-455.
Yan Chao, Tu Zhengguang, Yu Xiaohong, et al. Numerical Research on Unsteady Effect of ShockShock Interference Flow[J]. Journal of Beijing University of Aeronautics and Astronautics, 2003, 29(3): 214-217. (in Chinese)
Citation: Lang Bo, Wu Qi, Lu You, et al. Flexible access control method of distributed objects[J]. Journal of Beijing University of Aeronautics and Astronautics, 2004, 30(05): 452-455. (in Chinese)
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Flexible access control method of distributed objects

  • School of Computer Science and Technology, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

  • Received Date: 30 Dec 2002
  • Publish Date: 31 May 2004
    Abstract
  • The traditional access control mechanism is bonded with the security policy it supports and can only support one policy. In order to establish a kind of access control mechanism supporting multiple polices, the meta-policy concept was introduced. By using the meta-policy description framework and the security policy model based on the meta-policy concept, a method of building flexible access control mechanism was put forward, which made the access control mechanism separate the security policy from the policy decision function and could dynamically support multiple security policies. The method is implemented in a CORBA-based system and the test results show that it is effective.

     

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  • [1] Object Management Group. CORBA security services specification . [2]Iona Company. Iona Programmers'Guide . [3]Sandhu R S, Samarati P. Access control:principles and practice[J], IEEE Communication Magazine, 1994 , 32 (9):40~48[4]Timothy J F. An object-oriented framework for security policy representation . Champaign, Iuinois:UIUC,1997[5]Dirk J, Klaus R D. An approach for building secure database federations . In :Proc.Int'l. Conf. On Very Large Data Bases .San Francisco:Morgan Kaufmann Publishers Inc,1994.24~35[6]Rabitti F, Bertino E, Kim W,et al. A model of authorization for next-generation database systems[J]. ACM Trans. On Database Systems, 1991,16(1):89~131
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