Volume 5 Number 5 (May 2010)
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JSW 2010 Vol.5(5): 514-521 ISSN: 1796-217X
doi: 10.4304/jsw.5.5.514-521

The Formal Model of DBMS Enforcing Multiple Security Polices

Yongzhong He1, Zhen Han1, Huirong Fu2, Guangzhi Qu2

1School of Computer, Beijing Jiaotong University, China State Key Lab of CAS, Beijing, China, Oakland University, Michigan, USA
2Department of CSE, Oakland University, Michigan, USA

Abstract—The formal security policy model and security analysis is necessary to help Database Management System (DBMS) to attain a higher assurance level. In this paper we develop a formal security model for a DBMS enforcing multiple security policies including mandatory multilevel security policy, discretionary access control policy and role based access control policy. A novel composition scheme of policies is introduced. And the security properties are comprehensively and accurately specified in terms of about 17 state invariants and state transition constraints. Furthermore, the security of the model is proved with the Z/EVES theorem prover.

Index Terms—multiple security policies; formal language; security invariant; theorem proving.

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Cite: Yongzhong He, Zhen Han, Huirong Fu, Guangzhi Qu, "The Formal Model of DBMS Enforcing Multiple Security Polices," Journal of Software vol. 5, no. 5, pp. 514-521, 2010.

General Information

  • ISSN: 1796-217X (Online)
  • Frequency:  Quarterly
  • Editor-in-Chief: Prof. Antanas Verikas
  • Executive Editor: Ms. Yoyo Y. Zhou
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