Journal
INFORMATION SCIENCES
Volume 205, Issue -, Pages 93-109Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.ins.2012.03.020
Keywords
Searchable public-key encryption; Designated tester; Data security
Categories
Funding
- National Research Foundation of Korea (NRF)
- Korea Government (MEST) [2011-0029831]
- Ministry of Public Safety & Security (MPSS), Republic of Korea [H0301-12-3007] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [2010-0029121] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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This paper provides two generic transformations to construct a designated tester public-key encryption with keyword search scheme using two identity-based encryption schemes. We also identify the properties of identity-based encryption that are sufficient to provide the confidentiality and consistency in designated tester public-key encryption with keyword search. The anonymity and confidentiality of identity-based encryption are sufficient for achieving confidentiality of designated tester public-key encryption with keyword search, and the confidentiality of identity-based encryption is sufficient for achieving consistency of designated tester public-key encryption with keyword search. Our constructions do not need any global set-up for the public parameters. We further extend our generic method to construct designated tester identity-based encryption with keyword search, where encryption is performed under the identity of a recipient instead of a public key. (C) 2012 Elsevier Inc. All rights reserved.
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