The shuffle index has been recently proposed for organizing and accessing data in outsourcing scenarios while protecting the confidentiality of the data as well as of the accesses to them. In this paper, we extend the shuffle index to the use of multiple servers for storing data, introducing a new protection technique (shadow) and enriching the original ones by operating in a distributed scenario. Our distributed shuffle index produces a significant increase in the protection of the system, with no additional costs.
Distributed shuffling for preserving access confidentiality / S. De Capitani di Vimercati, S. Foresti, S. Paraboschi, G. Pelosi, P. Samarati (LECTURE NOTES IN COMPUTER SCIENCE). - In: Computer Security : ESORICS 2013 : 18th european symposium on research in computer security, Egham, UK, september 9-13, 2013 : proceedings / [a cura di] J. Crampton, S. Jajodia, K. Mayes. - Berlin : Springer, 2013 Sep. - ISBN 9783642402029. - pp. 628-645 (( Intervento presentato al 18. convegno European Symposium on Research in Computer Security (ESORICS) tenutosi a Egham nel 2013 [10.1007/978-3-642-40203-6_35].
Distributed shuffling for preserving access confidentiality
S. De Capitani di Vimercati;S. Foresti;P. Samarati
2013
Abstract
The shuffle index has been recently proposed for organizing and accessing data in outsourcing scenarios while protecting the confidentiality of the data as well as of the accesses to them. In this paper, we extend the shuffle index to the use of multiple servers for storing data, introducing a new protection technique (shadow) and enriching the original ones by operating in a distributed scenario. Our distributed shuffle index produces a significant increase in the protection of the system, with no additional costs.
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