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This paper puts forward confidentiality and integrity dynamic union model to solve the contradiction of BLP and Biba based on check domain. First, all union situations of BLP and Biba model are analyzed. Then, the concept of check domain is advanced. In this domain the confidentiality and integrity can be checked and changed. When the BLP and Biba canpsilat be fit simultaneously, the subject canpsilat operate the object directly. Only by making use of the check domain and privilege subject, can the subject operate the object indirectly. At last, a serial of security are give, making BLP and Biba banded together in deed. The objects read and appended are signed by subjects who launched the operation for accident tracking. The model can solve the contradiction of BLP model and Biba model availability. So our can assure the confidentiality and integrality of the system. At the same time, the system will get high usability.
Machine Learning and Cybernetics, 2008 International Conference on (Volume:7 )
Date of Conference: 12-15 July 2008