A Novel Data Deduplication Scheme for Encrypted Cloud Databases

doi:10.3966/160792642020072104020

Chia Nan University of Pharmacy & Science Institutional Repository > 智慧生活學院 > 多媒體與遊戲發展系 > 期刊論文 > Item 310902800/34061

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標題:	A Novel Data Deduplication Scheme for Encrypted Cloud Databases
作者:	Li, Jung-Shian Liu, I-Hsien Lee, Chao-Yuan Li, Chu-Fen Liu, Chuan-Gang
貢獻者:	Natl Cheng Kung Univ, Inst Comp & Commun Engn, Dept Elect Engn Natl Formosa Univ, Dept Finance, Huwei Township Chia Nan Univ Pharm & Sci, Dept Appl Informat & Multimedia
關鍵字:	Cloud storage Network security Cloud security Data deduplication scheme Encrypted database
日期:	2020
上傳時間:	2022-11-18 11:22:15 (UTC+8)
出版者:	Library & Information Center, Nat Dong Hwa Univ
摘要:	As the demand for data sharing and complex access-control policies continues to grow, traditional encryption mechanisms, which are generally established using a Public Key Infrastructure, face the problem of massive processing overheads and huge network bandwidth consumption. Attribute-Based Encryption (ABE) schemes have been proposed as a potential means of addressing these issues and have attracted great attention in recent years. Most previous studies on ABE focus on issues such as the revocation mechanism, multi-authority, the access structure design, and traceability. However, very few studies consider the storage efficiency problem and the present study proposes a novel data deduplication scheme based on ciphertext-policy ABE with convergent encryption and block-level data. The scheme can be deployed in third-party semi-trusted environments, and not only provides flexible, fine-grained access control over encrypted data, but also allows for the in-line elimination of redundancies in order to save cloud storage space. The experimental results show that the proposed scheme has an acceptable computational overhead and provides a promising solution for real-world data cloud storage and access scenarios.
關聯:	Journal of Internet Technology, v.21, n.4, pp.11
显示于类别:	[多媒體與遊戲發展系] 期刊論文

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