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1、 i157iBLPs !$+ (vni 100081) K 1 BLP K9)b BLP $i1J#Zs4oKaKp5r BLPb 1oM BLP Analysis and Research of the Security of BLP Model GU Qianjun, WANG Yue (President Office of Beijing Institute of Technology, Beijing 100081) AbstractBell-LaPadula model(BLP) model is the most classical multilevel computer sec
2、urity model. Based on the research of BLP model, thispaper analyzes the main defects in BLP model and different improving methods, puts forward a principle or “read the nearest and write the nearest”,improves the BLP model more effective security and integrity. Key wordsBell-LaPadula model(BLP); Mod
3、el; Security 9 Computer Engineering 32 22Vol.32 No.22 2006M 11 November 2006/ cI| 1000i3428(2006)22i0157i02 DSM A ms| TP309XH59mWn15b 5d!94b BLP 1 ClarkWilson 1 Denning i| Take-grant e (RBAC)HW PDR P2DR tzTbd!9HInyiJbS-Td!9HI BLP BLP ii1J-Zs4rnb 1 BLP e Bell-LaPadula (BLP ) D.E.Bell L.J.LaPadula 197
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