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A Scheme to Manage Encrypted Data Storage with Deduplication in Cloud

  • Zheng Yan
  • Wenxiu Ding
  • Haiqi Zhu
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9530)

Abstract

Cloud computing offers a new way of service provision by re-arranging various resources and IT structures over the Internet. Private user data are often stored in cloud in an encrypted form in order to preserve the privacy of data owners. Encrypted data sharing introduces new challenges for cloud data deduplication. We found that existing solutions of deduplication suffer from high computation complexity and cost and therefore few of them can be really deployed in practice. In this paper, we propose a scheme to deduplicate encrypted data stored in cloud based on proxy re-encryption. We evaluate its performance and advantages based on extensive analysis and implementation. The results show the efficiency and effectiveness of the scheme for potential practical deployment.

Keywords

Cloud computing Data deduplication Proxy Re-encryption 

Notes

Acknowledgement

This work is sponsored by the PhD grant (JY0300130104) of Chinese Educational Ministry, the “111 project” (B08038), the initial grant of Chinese Educational Ministry for researchers from abroad (JY0600132901), and the grant of Shaanxi Province for excellent researchers from abroad (680F1303), as well as Aalto University.

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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  1. 1.State Key Lab on Integrated Services NetworksXidian UniversityXi’anChina
  2. 2.Department of Communications and NetworkingAalto UniversityEspooFinland

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