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22012 Selective Document Retrieval from Encrypted Database
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Bösch, C.T. and Tang, Qiang and Hartel, P.H. and Jonker, W. (2012) Selective Document Retrieval from Encrypted Database. In: 15th International Conference on Information Security (ISC), 19-21 Sep 2012, Passau, Germany. pp. 224-241. Lecture Notes in Computer Science 7483. Springer Verlag. ISBN 978-3-642-33383-5

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We propose the concept of selective document retrieval (SDR) from an encrypted database which allows a client to store encrypted data on a third-party server and perform efficient search remotely. We propose a new SDR scheme based on the recent advances in fully homomorphic encryption schemes. The proposed scheme is secure in our security model and can be adapted to support many useful search features, including aggregating search results, supporting conjunctive keyword search queries, advanced keyword search, search with keyword occurrence frequency, and search based on inner product. To evaluate the performance, we implement the search algorithm of our scheme in C. The experiment results show that a search query takes only 47 seconds in an encrypted database
with 1000 documents on a Linux server, and it demonstrates that our scheme is much more efficient, i.e., around 1250 times faster, than a solution based on the SSW scheme with similar security guarantees.

Item Type:Conference or Workshop Paper (Full Paper, Talk)
Research Group:EWI-DIES: Distributed and Embedded Security, EWI-DB: Databases
Research Program:CTIT-ISTRICE: Integrated Security and Privacy in a Networked World
Research Project:SPCMHD: Secure Patient-Centric Management of Health Data
Uncontrolled Keywords:Searchable Encryption, Homomorphic Encryption, Privacy
ID Code:22012
Deposited On:19 July 2012
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