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Sensors 2018, 18(3), 753; https://doi.org/10.3390/s18030753

Security Architecture and Protocol for Trust Verifications Regarding the Integrity of Files Stored in Cloud Services

1
Cybersecurity INCT Unit 6, Decision Technologies Laboratory—LATITUDE, Electrical Engineering Department (ENE), Technology College, University of Brasília (UnB), Brasília-DF, CEP 70910-900, Brazil
2
Department of Computer Science, University of Brasília (UnB), P.O. Box 4466—Brasília-DF, CEP 70910-900, Brazil
3
Group of Analysis, Security and Systems (GASS), Department of Software Engineering and Artificial Intelligence (DISIA), Faculty of Computer Science and Engineering, Office 431, Universidad Complutense de Madrid (UCM), Calle Profesor José García Santesmases, 9, Ciudad Universitaria, 28040 Madrid, Spain
4
Department of Convergence Security, Sungshin Women’s University, 249-1 Dongseon-Dong 3-ga, Seoul 136-742, Korea
This paper is an extended version of our paper published in Pinheiro, A.; Canedo, E.D.; de Sousa Junior, R.T.; de Oliveira Albuquerque, R. A Proposed Protocol for Periodic Monitoring of Cloud Storage Services Using Trust and Encryption. In Proceedings of the 2016 International Conference on Computational Science and Its Applications (ICCSA 2016), Beijing, China, 4–7 July 2016.
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Received: 30 January 2018 / Revised: 17 February 2018 / Accepted: 23 February 2018 / Published: 2 March 2018
(This article belongs to the Special Issue Advances on Resources Management for Multi-Platform Infrastructures)
Full-Text   |   PDF [624 KB, uploaded 2 March 2018]   |  

Abstract

Cloud computing is considered an interesting paradigm due to its scalability, availability and virtually unlimited storage capacity. However, it is challenging to organize a cloud storage service (CSS) that is safe from the client point-of-view and to implement this CSS in public clouds since it is not advisable to blindly consider this configuration as fully trustworthy. Ideally, owners of large amounts of data should trust their data to be in the cloud for a long period of time, without the burden of keeping copies of the original data, nor of accessing the whole content for verifications regarding data preservation. Due to these requirements, integrity, availability, privacy and trust are still challenging issues for the adoption of cloud storage services, especially when losing or leaking information can bring significant damage, be it legal or business-related. With such concerns in mind, this paper proposes an architecture for periodically monitoring both the information stored in the cloud and the service provider behavior. The architecture operates with a proposed protocol based on trust and encryption concepts to ensure cloud data integrity without compromising confidentiality and without overloading storage services. Extensive tests and simulations of the proposed architecture and protocol validate their functional behavior and performance. View Full-Text
Keywords: cloud computing; cloud data storage; proof of integrity; services monitoring; trust cloud computing; cloud data storage; proof of integrity; services monitoring; trust
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Pinheiro, A.; Dias Canedo, E.; de Sousa Junior, R.T.; de Oliveira Albuquerque, R.; García Villalba, L.J.; Kim, T.-H. Security Architecture and Protocol for Trust Verifications Regarding the Integrity of Files Stored in Cloud Services. Sensors 2018, 18, 753.

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