아웃소싱 데이터베이스 환경에서의 안전한 영역 질의처리 알고리즘
Secure Range Query Processing Algorithm on Outsourced Database Environment
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초록
최근 클라우드 컴퓨에 한 심이 고조됨에 따라, 클라우드에 아웃소싱된 암호화 데이터베이스 상에서의 역 질 의처리 연구가 활발히 진행되고 있다. 그러나 기존 연구 데이터 근 패턴 보호를 지원하는 연구는 무하다. 따 라서 본 논문에서는 데이터 보호, 사용자 질의 보호 데이터 근 패턴 보호를 모두 지원하는 암호화 데이터베이 스 상에서의 역 질의처리 알고리즘을 제안한다. 성능평가를 통해, 제안하는 기법이 정보보호를 지원하는 동시에 효율인 처리 성능을 제공함을 보인다.
Abstract
As the cloud computing has attracted much interests recently, the study on a range query processing on encrypted databases outsourced in the cloud have been actively performed. However, there is no existing work that hides data access patterns. Therefore, in this paper we propose a new range query processing algorithm on the encrypted database that not only preserves the confidentiality of data and user query but also conceals the data access patterns. Through the performance analysis, we show that the proposed range query processing algorithm can efficiently process a range query while preserving privacy.
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