Secure and efficient deduplication over encrypted data with dynamic updates in cloud storage

Dongyoung Koo; Junbeom Hur; Hyunsoo Yoon

doi:10.1007/978-94-017-8798-7_28

Secure and efficient deduplication over encrypted data with dynamic updates in cloud storage

Dongyoung Koo, Junbeom Hur, Hyunsoo Yoon

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

6 Citations (Scopus)

Abstract

Cloud service providers adopt a deduplication technique to minimize resource utility costs. However, it is one of the most challenging issues to manage the outsourced data in a storage-efficient way when users encrypt data for preserving privacy and frequently update it. When the data is updated, file-level deduplication makes entire copy of updated file although there are small modifications. Block-level deduplication solves this problem, but it requires metadata larger than the outsourced blocks. To address this problem, we propose a hybrid deduplication scheme that minimizes storage overhead. Our scheme performs filelevel deduplication along with isolation of only updated blocks with augmented metadata. The analysis results show that our scheme minimizes storage costs while guaranteeing secure update with efficient verification.

Original language	English
Title of host publication	Frontier and Innovation in Future Computing and Communications
Editors	Albert Zomaya, James J. Park, Hwa-Young Jeong, Mohammad Obaidat
Publisher	Springer Verlag
Pages	229-235
Number of pages	7
ISBN (Electronic)	9789401787970
DOIs	https://doi.org/10.1007/978-94-017-8798-7_28
Publication status	Published - 2014
Externally published	Yes
Event	2014 FTRA International Symposium on Frontier and Innovation in Future Computing and Communications, FCC 2014 - Auckland, New Zealand Duration: 2014 Jan 13 → 2014 Jan 16

Publication series

Name	Lecture Notes in Electrical Engineering
Volume	301
ISSN (Print)	1876-1100
ISSN (Electronic)	1876-1119

Other

Other	2014 FTRA International Symposium on Frontier and Innovation in Future Computing and Communications, FCC 2014
Country/Territory	New Zealand
City	Auckland
Period	14/1/13 → 14/1/16

Bibliographical note

Funding Information:
This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MEST) (No. 2011-0016584 and No. 2013R1A2A2A01005559).

Publisher Copyright:
© Springer Science+Business Media Dordrecht 2014.

Keywords

Block-level deduplication
Cloud storage
Deduplication over encrypted data
File-level deduplication
Storage overhead

ASJC Scopus subject areas

Industrial and Manufacturing Engineering

Access to Document

10.1007/978-94-017-8798-7_28

Cite this

Koo, D., Hur, J., & Yoon, H. (2014). Secure and efficient deduplication over encrypted data with dynamic updates in cloud storage. In A. Zomaya, J. J. Park, H.-Y. Jeong, & M. Obaidat (Eds.), Frontier and Innovation in Future Computing and Communications (pp. 229-235). (Lecture Notes in Electrical Engineering; Vol. 301). Springer Verlag. https://doi.org/10.1007/978-94-017-8798-7_28

Secure and efficient deduplication over encrypted data with dynamic updates in cloud storage. / Koo, Dongyoung; Hur, Junbeom; Yoon, Hyunsoo.
Frontier and Innovation in Future Computing and Communications. ed. / Albert Zomaya; James J. Park; Hwa-Young Jeong; Mohammad Obaidat. Springer Verlag, 2014. p. 229-235 (Lecture Notes in Electrical Engineering; Vol. 301).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Koo, D, Hur, J & Yoon, H 2014, Secure and efficient deduplication over encrypted data with dynamic updates in cloud storage. in A Zomaya, JJ Park, H-Y Jeong & M Obaidat (eds), Frontier and Innovation in Future Computing and Communications. Lecture Notes in Electrical Engineering, vol. 301, Springer Verlag, pp. 229-235, 2014 FTRA International Symposium on Frontier and Innovation in Future Computing and Communications, FCC 2014, Auckland, New Zealand, 14/1/13. https://doi.org/10.1007/978-94-017-8798-7_28

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AB - Cloud service providers adopt a deduplication technique to minimize resource utility costs. However, it is one of the most challenging issues to manage the outsourced data in a storage-efficient way when users encrypt data for preserving privacy and frequently update it. When the data is updated, file-level deduplication makes entire copy of updated file although there are small modifications. Block-level deduplication solves this problem, but it requires metadata larger than the outsourced blocks. To address this problem, we propose a hybrid deduplication scheme that minimizes storage overhead. Our scheme performs filelevel deduplication along with isolation of only updated blocks with augmented metadata. The analysis results show that our scheme minimizes storage costs while guaranteeing secure update with efficient verification.

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Secure and efficient deduplication over encrypted data with dynamic updates in cloud storage

Abstract

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Bibliographical note

Keywords

ASJC Scopus subject areas

Access to Document

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