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Paper 2017/1089
Secure Deduplication of Encrypted Data: Refined Model and New Constructions
Jian Liu and Li Duan and Yong Li and N. Asokan
Abstract
Cloud providers tend to save storage via cross-user deduplication, while users who care about privacy tend to encrypt their files on client-side. Secure deduplication of encrypted data (SDoE) is an active research topic. In this paper, we propose a formal security model for this problem. We also propose two single-server SDoE protocols and prove their security in our model. We evaluate their deduplication effectiveness via simulations with realistic datasets.
Metadata
- Available format(s)
- Category
- Cryptographic protocols
- Publication info
- Preprint. MINOR revision.
- Keywords
- applications
- Contact author(s)
- jian liu @ aalto fi
- History
- 2018-02-01: revised
- 2017-11-10: received
- See all versions
- Short URL
- https://ia.cr/2017/1089
- License
-
CC BY