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ThinkMind // DBKDA 2011, The Third International Conference on Advances in Databases, Knowledge, and Data Applications // View article dbkda_2011_3_20_30074


A Secure Database System using Homomorphic Encryption Schemes

Authors:
Youssef Gahi
Mouhcine Guennoun
Khalil El-Khatib

Keywords: ; Secure Database; Homomorphic Encryption Schemes; Privacy.

Abstract:
Cloud computing emerges as an attractive solution that can be delegated to store and process confidential data. However, several security risks are encountered with such a system as the securely encrypted data should be decrypted before processing them. Therefore, the decrypted data is susceptible to reading and alterations. As a result, processing encrypted data has been a research subject since the publication of the RSA encryption scheme in 1978. In this paper we present a relational database system based on homomorphic encryption schemes to preserve the integrity and confidentiality of the data. Our system executes SQL queries over encrypted data. We tested our system with a recently developed homomorphic scheme that enables the execution of arithmetic operations on ciphertexts. We show that the proposed system performs accurate SQL operations, yet its performance discourages a practical implementation of this system.

Pages: 54 to 58

Copyright: Copyright (c) IARIA, 2011

Publication date: January 23, 2011

Published in: conference

ISSN: 2308-4332

ISBN: 978-1-61208-115-1

Location: St. Maarten, The Netherlands Antilles

Dates: from January 23, 2011 to January 28, 2011

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