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.
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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|Item Type:||Journal Article|
|Keywords:||Public-key encryption, Certificateless public-key encryption, CL-PKE, Lattice-based construction, Generic transformation, Standard model|
|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 > Schools > School of Electrical Engineering & Computer Science
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Copyright Owner:||Copyright 2013 Springer Berlin Heidelberg|
|Deposited On:||27 Mar 2014 01:56|
|Last Modified:||15 Apr 2014 05:00|
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