상세정보
학술지
Client-Side Deduplication to Enhance Security and Reduce Communication Costs
- 발행일
- 201702
- 출처
- ETRI Journal, v.39 no.1, pp.116-123
- ISSN
- 1225-6463
- 출판사
- 한국전자통신연구원 (ETRI)
- 협약과제
- 16ZS1500, 암호화된 데이터베이스에서의 데이터 저장 및 검색을 위한 암호 원천 기술 개발, 장구영
- 초록
- Message-locked encryption (MLE) is a widespread cryptographic primitive that enables the deduplication of encrypted data stored within the cloud. Practical clientside contributions of MLE, however, are vulnerable to a poison attack, and server-side MLE schemes require large bandwidth consumption. In this paper, we propose a new client-side secure deduplication method that prevents a poison attack, reduces the amount of traffic to be transmitted over a network, and requires fewer cryptographic operations to execute the protocol. The proposed primitive was analyzed in terms of security, communication costs, and computational requirements. We also compared our proposal with existing MLE schemes.
- KSP 제안 키워드
- Bandwidth consumption, Communication cost, Computational requirements, Large bandwidth, Message-locked encryption, Secure deduplication, Server side, client-side deduplication, encrypted data
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