Certificateless threshold signature from lattice

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外文标题：Certificateless threshold signature from lattice

外文摘要：Threshold signature has been widely used in electronic wills,electronic elections,cloud computing,secure multi-party computation and other fields.Until now,certificateless threshold signature schemes are all based on traditional mathematic theory,so they cannot resist quantum computing attacks.In view of this,we combine the advantages of lattice-based cryptosystem and certificateless cryptosystem to construct a certificateless threshold signature from lattice(LCLTS)that is efficient and resistant to quantum algorithm attacks.LCLTS has the threshold characteristics and can resist the quantum computing attacks,and the analysis shows that it is unforgeable against the adaptive Chosen-Message Attacks(UF-CMA)with the difficulty of Inhomogeneous Small Integer Solution(ISIS)problem.In addition,LCLTS solves the problems of the certificate management through key escrow.

外文关键词：

LatticeThreshold signatureInhomogeneous small integer solutionCertificateless public keyLattice sampling technique

作者：

Huifang Yu、Qi Zhang

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作者单位：

School of Cyberspace Security,Xi'an University of Posts and Telecommunications,Xi'an,China

关键词：

Lattice Threshold signature Inhomogeneous small integer solution Certificateless public key Lattice sampling technique

出版年：

2024

DOI：

10.1016/j.dcan.2022.11.009

数字通信与网络(英文)

ISSN：

年,卷(期)：2024.10(4)