Efficient Lattice-Based Signcryption in Standard Model

Jianhua Yan, Licheng Wang, Lihua Wang, Yixian Yang and Wenbin Yao

Mathematical Problems in Engineering, 2013, vol. 2013, 1-18

Abstract:

Signcryption is a cryptographic primitive that can perform digital signature and public encryption simultaneously at a significantly reduced cost. This advantage makes it highly useful in many applications. However, most existing signcryption schemes are seriously challenged by the booming of quantum computations. As an interesting stepping stone in the post-quantum cryptographic community, two lattice-based signcryption schemes were proposed recently. But both of them were merely proved to be secure in the random oracle models. Therefore, the main contribution of this paper is to propose a new lattice-based signcryption scheme that can be proved to be secure in the standard model.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:702539

DOI: 10.1155/2013/702539

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