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Title: Semi-generic construction of public key encryption and identity-based encryption with equality test
Authors: Lee, Hyung Tae
Ling, San
Seo, Jae Hong
Wang, Huaxiong
Keywords: Public key encryption
Identity-based encryption
Issue Date: 2016
Source: Lee, H. T., Ling, S., Seo, J. H., & Wang, H. (2016). Semi-generic construction of public key encryption and identity-based encryption with equality test. Information Sciences, 373, 419-440.
Series/Report no.: Information Sciences
Abstract: Public key encryption with equality test (PKEET), which was first introduced by Yang et al. (CT-RSA, 2010), has various applications including facilitating keyword search on encrypted data and partitioning encrypted data on the cloud. It can be also applied to manage personal health records on the internet. For these reasons, there have been improvements on earlier PKEET schemes in terms of performance and functionality. We present a semi-generic method for PKEET constructions, assuming only the existence of IND-CCA2 secure traditional public key encryption (PKE) schemes, the hardness of Computational Diffie-Hellman (CDH) problems, and random oracles. Our approach has several advantages; it enables us to understand requirements for the equality test functionality more clearly. Furthermore, our approach is quite general, in that if we change the underlying PKE scheme with the identity-based encryption (IBE) scheme (and we assume the hardness of Bilinear Diffie-Hellman problems instead of CDH), then we obtain the first IBE scheme with equality test (IBEET) satisfying analogous security arguments to those of PKEET. Although an IBEET construction was recently proposed, but we note that it satisfies only weak security requirements.
ISSN: 0020-0255
DOI: 10.1016/j.ins.2016.09.013
Rights: © 2016 Elsevier. This is the author created version of a work that has been peer reviewed and accepted for publication by Information Sciences, Elsevier. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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