Real-time proof of violation for cloud storage

Gwan Hwan Hwang; Wei Sian Huang; Jenn Zjone Peng

doi:10.1109/CloudCom.2014.18

Real-time proof of violation for cloud storage

Gwan Hwan Hwang^*, Wei Sian Huang, Jenn Zjone Peng

^*Corresponding author for this work

Department of Computer Science and Information Engineering

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

5 Citations (Scopus)

Abstract

In this paper we define and explore proof of violation (POV) for cloud storage systems. A POV scheme enables a user or a service provider to produce a precise proof of either the occurrence of the violation of properties or the innocence of the service provider. POV schemes are solutions for obtaining mutual nonrepudiation between users and the service provider in the cloud. Existing solutions for obtaining mutual nonrepudiation only support epoch-based POV. The drawback of an epoch-based POV scheme is that violation of properties can only be detected at the end of an epoch. We propose a real-time POV scheme in which the auditing can be performed at the time of each file operation. To the best of our knowledge, it is the first scheme that can perform real-time POV for cloud storage. In addition, each client device only needs to store a partial hash tree of files in an account. Experimental results are presented that demonstrate the feasibility of the proposed scheme. Service providers of cloud storage can use the proposed scheme to provide a mutual nonrepudiation guarantee in their service-level agreements.

Original language	English
Title of host publication	Proceedings - 2014 IEEE 6th International Conference on Cloud Computing Technology and Science, CloudCom 2014
Publisher	IEEE Computer Society
Pages	394-399
Number of pages	6
Edition	February
ISBN (Electronic)	9781479940936
DOIs	https://doi.org/10.1109/CloudCom.2014.18
Publication status	Published - 2015 Feb 9
Event	2014 6th IEEE International Conference on Cloud Computing Technology and Science, CloudCom 2014 - Singapore, Singapore Duration: 2014 Dec 15 → 2014 Dec 18

Publication series

Name	Proceedings of the International Conference on Cloud Computing Technology and Science, CloudCom
Number	February
Volume	2015-February
ISSN (Print)	2330-2194
ISSN (Electronic)	2330-2186

Other

Other	2014 6th IEEE International Conference on Cloud Computing Technology and Science, CloudCom 2014
Country/Territory	Singapore
City	Singapore
Period	2014/12/15 → 2014/12/18

Keywords

Cloud security
Cloud storage
Nonrepudiation
Proof of violation
Service-level agreement

ASJC Scopus subject areas

Computational Theory and Mathematics
Computer Networks and Communications
Software
Theoretical Computer Science

Access to Document

10.1109/CloudCom.2014.18

Cite this

Hwang, G. H., Huang, W. S., & Peng, J. Z. (2015). Real-time proof of violation for cloud storage. In Proceedings - 2014 IEEE 6th International Conference on Cloud Computing Technology and Science, CloudCom 2014 (February ed., pp. 394-399). Article 7037694 (Proceedings of the International Conference on Cloud Computing Technology and Science, CloudCom; Vol. 2015-February, No. February). IEEE Computer Society. https://doi.org/10.1109/CloudCom.2014.18

Real-time proof of violation for cloud storage. / Hwang, Gwan Hwan; Huang, Wei Sian; Peng, Jenn Zjone.
Proceedings - 2014 IEEE 6th International Conference on Cloud Computing Technology and Science, CloudCom 2014. February. ed. IEEE Computer Society, 2015. p. 394-399 7037694 (Proceedings of the International Conference on Cloud Computing Technology and Science, CloudCom; Vol. 2015-February, No. February).

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

Hwang, GH, Huang, WS & Peng, JZ 2015, Real-time proof of violation for cloud storage. in Proceedings - 2014 IEEE 6th International Conference on Cloud Computing Technology and Science, CloudCom 2014. February edn, 7037694, Proceedings of the International Conference on Cloud Computing Technology and Science, CloudCom, no. February, vol. 2015-February, IEEE Computer Society, pp. 394-399, 2014 6th IEEE International Conference on Cloud Computing Technology and Science, CloudCom 2014, Singapore, Singapore, 2014/12/15. https://doi.org/10.1109/CloudCom.2014.18

Hwang GH, Huang WS, Peng JZ. Real-time proof of violation for cloud storage. In Proceedings - 2014 IEEE 6th International Conference on Cloud Computing Technology and Science, CloudCom 2014. February ed. IEEE Computer Society. 2015. p. 394-399. 7037694. (Proceedings of the International Conference on Cloud Computing Technology and Science, CloudCom; February). doi: 10.1109/CloudCom.2014.18

Hwang, Gwan Hwan ; Huang, Wei Sian ; Peng, Jenn Zjone. / Real-time proof of violation for cloud storage. Proceedings - 2014 IEEE 6th International Conference on Cloud Computing Technology and Science, CloudCom 2014. February. ed. IEEE Computer Society, 2015. pp. 394-399 (Proceedings of the International Conference on Cloud Computing Technology and Science, CloudCom; February).

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AB - In this paper we define and explore proof of violation (POV) for cloud storage systems. A POV scheme enables a user or a service provider to produce a precise proof of either the occurrence of the violation of properties or the innocence of the service provider. POV schemes are solutions for obtaining mutual nonrepudiation between users and the service provider in the cloud. Existing solutions for obtaining mutual nonrepudiation only support epoch-based POV. The drawback of an epoch-based POV scheme is that violation of properties can only be detected at the end of an epoch. We propose a real-time POV scheme in which the auditing can be performed at the time of each file operation. To the best of our knowledge, it is the first scheme that can perform real-time POV for cloud storage. In addition, each client device only needs to store a partial hash tree of files in an account. Experimental results are presented that demonstrate the feasibility of the proposed scheme. Service providers of cloud storage can use the proposed scheme to provide a mutual nonrepudiation guarantee in their service-level agreements.

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Real-time proof of violation for cloud storage

Abstract

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Keywords

ASJC Scopus subject areas

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