Lattice-based certificateless public-key encryption in the standard model

Sepahi, Reza, Steinfeld, Ron, & Pieprzyk, Josef (2013) Lattice-based certificateless public-key encryption in the standard model. International Journal of Information Security.

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The notion of certificateless public-key encryption (CL-PKE) was introduced by Al-Riyami and Paterson in 2003 that avoids the drawbacks of both traditional PKI-based public-key encryption (i.e., establishing public-key infrastructure) and identity-based encryption (i.e., key escrow). So CL-PKE like identity-based encryption is certificate-free, and unlike identity-based encryption is key escrow-free. In this paper, we introduce simple and efficient CCA-secure CL-PKE based on (hierarchical) identity-based encryption. Our construction has both theoretical and practical interests. First, our generic transformation gives a new way of constructing CCA-secure CL-PKE. Second, instantiating our transformation using lattice-based primitives results in a more efficient CCA-secure CL-PKE than its counterpart introduced by Dent in 2008.

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2 citations in Scopus
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ID Code: 69271
Item Type: Journal Article
Refereed: Yes
Keywords: Public-key encryption, Certificateless public-key encryption, CL-PKE, Lattice-based construction, Generic transformation, Standard model
DOI: 10.1007/s10207-013-0215-8
ISSN: 1615-5262
Subjects: Australian and New Zealand Standard Research Classification > MATHEMATICAL SCIENCES (010000)
Australian and New Zealand Standard Research Classification > INFORMATION AND COMPUTING SCIENCES (080000)
Divisions: Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2013 Springer Berlin Heidelberg
Deposited On: 27 Mar 2014 01:56
Last Modified: 21 Jul 2017 06:01

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