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Information 2017, 8(2), 58; doi:10.3390/info8020058

A Novel Identity-Based Signcryption Scheme in the Standard Model

1
Basic Education College of Lingnan Normal University, 524300 Zhanjiang, China
2
School of Information Engineering, Lingnan Normal University, 524048 Zhanjiang, China
*
Author to whom correspondence should be addressed.
Academic Editors: Man Ho Au, Jinguang Han, Joseph K. Liu and Ali El Kaafarani
Received: 2 March 2017 / Revised: 1 May 2017 / Accepted: 16 May 2017 / Published: 19 May 2017
(This article belongs to the Special Issue Secure Data Storage and Sharing Techniques in Cloud Computing)
View Full-Text   |   Download PDF [268 KB, uploaded 19 May 2017]

Abstract

Identity-based signcryption is a useful cryptographic primitive that provides both authentication and confidentiality for identity-based crypto systems. It is challenging to build a secure identity-based signcryption scheme that can be proven secure in a standard model. In this paper, we address the issue and propose a novel construction of identity-based signcryption which enjoys IND-CCA security and existential unforgeability without resorting to the random oracle model. Comparisons demonstrate that the new scheme achieves stronger security, better performance efficiency and shorter system parameters. View Full-Text
Keywords: identity-based; signcryption; provable security; standard model identity-based; signcryption; provable security; standard model
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Huang, Y.; Yang, J. A Novel Identity-Based Signcryption Scheme in the Standard Model. Information 2017, 8, 58.

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