Keyword field-free conjunctive keyword searches on encrypted data and extension for dynamic groups

Wang, Peishun, Wang, Huaxiong, & Pieprzyk, Josef (2008) Keyword field-free conjunctive keyword searches on encrypted data and extension for dynamic groups. Lecture Notes in Computer Science : Cryptology and Network Security, 5339, pp. 178-195.

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We consider the following problem: a user stores encrypted documents on an untrusted server, and wishes to retrieve all documents containing some keywords without any loss of data confidentiality. Conjunctive keyword searches on encrypted data have been studied by numerous researchers over the past few years, and all existing schemes use keyword fields as compulsory information. This however is impractical for many applications. In this paper, we propose a scheme of keyword field-free conjunctive keyword searches on encrypted data, which affirmatively answers an open problem asked by Golle et al. at ACNS 2004. Furthermore, the proposed scheme is extended to the dynamic group setting. Security analysis of our constructions is given in the paper.

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7 citations in Scopus
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8 citations in Web of Science®

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ID Code: 74261
Item Type: Journal Article
Refereed: Yes
Additional Information: Paper presented in the 7th International Conference, CANS 2008, Hong-Kong, China, December 2-4, 2008
DOI: 10.1007/978-3-540-89641-8_13
ISBN: 978-3-540-89641-8
ISSN: 1611-3349
Divisions: Current > QUT Faculties and Divisions > Science & Engineering Faculty
Deposited On: 22 Jul 2014 03:47
Last Modified: 22 Jul 2014 23:00

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