Transactions Ordering based Secure Concurrency Control Scheme

이원섭; LEE, Sang-Hee

Journal of The Korea Society of Computer and Information

Abbr : JKSCI
2005, 10(5), pp.57-64
Publisher : The Korean Society Of Computer And Information
Research Area : Computer Science

이원섭 ¹ , LEE, Sang-Hee ²

¹ 인덕대학
² 청강문화산업대학교

ABSTRACT

While the secure concurrency control schemes in multilevel secure database management systems synchronize transactions cleared at different security level they must consider the problem covert channel. although previous works achieve the confidentiality successfully, they overlook the integrity or the availability. For being evaluated as highly secure database systems , the multilevel secure database management systems must achieve the confidentiality, integrity, and the availability that are the well-known major security aspects. By use of verified transactions ordering relationship, in this paper, we propose a new secure concurrency control scheme that is capable of increasing the degree of fairness among transactions cleared at different security levels.
KEYWORDS

database , database , security , concurrency control
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