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Authors: D. A. Rodríguez-Silva 1 ; F. J. González-Castaño 1 ; L. Adkinson-Orellana 1 ; A. Fernández-Cordeiro 1 ; J. R. Troncoso-Pastoriza 2 and D. González-Martínez 3

Affiliations: 1 ETSI Telecomunicación, Spain ; 2 Universidade de Vigo, Spain ; 3 University of Vigo, Spain

Keyword(s): Cloud privacy, Encrypted domain processing, Homomorphic encryption, Trusted computing.

Abstract: Cloud security comprises access control and end-to-end security based on flow or message-level privacy. In some applications, in which all processing takes place at the client side and the Cloud simply handles data storage (e.g. Google Docs), on-line data encryption/decryption guarantees privacy. However, when a service requires server processing (e.g. spreadsheets), privacy must necessarily rely on a dependable entity according to local regulations. Summing up, full Cloud privacy has not been achieved so far. In this paper we take a step towards that goal. We propose executing server side operations in the encrypted domain, so that both the operands and the results are opaque to the server, yet clear to the user. We evaluate this concept with a real Google Apps implementation of basic arithmetic operations.

CC BY-NC-ND 4.0

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Paper citation in several formats:
A. Rodríguez-Silva, D.; J. González-Castaño, F.; Adkinson-Orellana, L.; Fernández-Cordeiro, A.; R. Troncoso-Pastoriza, J. and González-Martínez, D. (2011). ENCRYPTED DOMAIN PROCESSING FOR CLOUD PRIVACY - Concept and Practical Experience. In Proceedings of the 1st International Conference on Cloud Computing and Services Science - CLOSER; ISBN 978-989-8425-52-2; ISSN 2184-5042, SciTePress, pages 591-596. DOI: 10.5220/0003380905910596

@conference{closer11,
author={D. {A. Rodríguez{-}Silva}. and F. {J. González{-}Castaño}. and L. Adkinson{-}Orellana. and A. Fernández{-}Cordeiro. and J. {R. Troncoso{-}Pastoriza}. and D. González{-}Martínez.},
title={ENCRYPTED DOMAIN PROCESSING FOR CLOUD PRIVACY - Concept and Practical Experience},
booktitle={Proceedings of the 1st International Conference on Cloud Computing and Services Science - CLOSER},
year={2011},
pages={591-596},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0003380905910596},
isbn={978-989-8425-52-2},
issn={2184-5042},
}

TY - CONF

JO - Proceedings of the 1st International Conference on Cloud Computing and Services Science - CLOSER
TI - ENCRYPTED DOMAIN PROCESSING FOR CLOUD PRIVACY - Concept and Practical Experience
SN - 978-989-8425-52-2
IS - 2184-5042
AU - A. Rodríguez-Silva, D.
AU - J. González-Castaño, F.
AU - Adkinson-Orellana, L.
AU - Fernández-Cordeiro, A.
AU - R. Troncoso-Pastoriza, J.
AU - González-Martínez, D.
PY - 2011
SP - 591
EP - 596
DO - 10.5220/0003380905910596
PB - SciTePress

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