Database Fragmentation with Encryption: Under Which Semantic Constraints and A Priori Knowledge Can Two Keep a Secret? - Data and Applications Security and Privacy XXVII Access content directly
Conference Papers Year : 2013

Database Fragmentation with Encryption: Under Which Semantic Constraints and A Priori Knowledge Can Two Keep a Secret?

Joachim Biskup
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Marcel Preuss
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Abstract

Database outsourcing to semi-honest servers raises concerns against the confidentiality of sensitive information. To hide such information, an existing approach splits data among two supposedly mutually isolated servers by means of fragmentation and encryption. This approach is modelled logic-orientedly and then proved to be confidentiality preserving, even if an attacker employs some restricted but nevertheless versatile class of a priori knowledge to draw inferences. Finally, a method to compute a secure fragmentation schema is developed.
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hal-01490715 , version 1 (15-03-2017)

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Joachim Biskup, Marcel Preuss. Database Fragmentation with Encryption: Under Which Semantic Constraints and A Priori Knowledge Can Two Keep a Secret?. 27th Data and Applications Security and Privacy (DBSec), Jul 2013, Newark, NJ, United States. pp.17-32, ⟨10.1007/978-3-642-39256-6_2⟩. ⟨hal-01490715⟩
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