Reference : Distributed Searchable Symmetric Encryption
Scientific congresses, symposiums and conference proceedings : Paper published in a book
Engineering, computing & technology : Computer science
http://hdl.handle.net/10993/18832
Distributed Searchable Symmetric Encryption
English
Bosch []
Peter, Andreas []
Leenders, Bram []
Lim, Hoon Wei []
Tang, Qiang mailto [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
Wang, Huaxiong []
Hartel, Pieter []
Jonker, Willem []
2014
PST2014 International Conference on Privacy, Security and Trust
Yes
International
PST2014 International Conference on Privacy, Security and Trust
23-07-2014 to 24-07-2014
[en] searchable encryption ; security
[en] Searchable Symmetric Encryption (SSE) allows a client to store encrypted data on a storage provider in such a way, that the client is able to search and retrieve the data selectively without the storage provider learning the contents of the data or the words being searched for. Practical SSE schemes usually leak (sensitive) information during or after a query (e.g., the search pattern). Secure schemes on the other hand are not practical, namely they are neither efficient in the computational search complexity, nor scalable with large data sets. To achieve efficiency and security at the same time, we introduce the concept of distributed SSE (DSSE), which uses a query proxy in addition to the storage provider. We give a construction that combines an inverted index approach (for efficiency) with scrambling functions used in private information retrieval (PIR) (for security). The proposed scheme, which is entirely based on XOR operations and pseudo-random functions, is efficient and does not leak the search pattern. For instance, a secure search in an index over one million documents and 500 keywords is executed in less than 1 second.
Researchers
http://hdl.handle.net/10993/18832

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