LATTICES

作品数：211被引量：165H指数：6
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相关机构：东南大学郑州纺织工学院大连理工大学邯郸市职工大学更多>>
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Generalizing Lyubashevsky-Wichs trapdoor sampler for NTRU lattices
《Science China(Information Sciences)》2022年第5期269-271,共3页Yang TAO Yunfeng JI Rui ZHANG 
supported in part by National Natural Science Foundation of China(Grant Nos.61772520,61632020,61472416,61802392,61972094);Key Research Project of Zhejiang Province(Grant No.2017C01062);Beijing Municipal Science and Technology Project(Grant Nos.Z191100007119007,Z191100007119002)。
Dear editor,At the core of lattice-based cryptography,a linear function f(x)=Ax mod q with a random matrix A∈Z;and a short vector x∈Z;plays an essential role,especially in the lattice-based signature,identity-based ...
关键词：LATTICE function SIGNATURE 
Lattice-based key exchange on small integer solution problem被引量：11
《Science China(Information Sciences)》2014年第11期145-156,共12页WANG ShanBiao ZHU Yan MA Di FENG RongQuan 
supported by the National 973 Program(Grant No.2013CB329606);the National Natural Science Foundation of China(Grant Nos.61170264,61370187&61472032)
In this paper, we propose a new hard problem, called bilateral inhomogeneous small integer solution （Bi-ISIS）, which can be seen as an extension of the small integer solution problem on lattices. The main idea is th...
关键词：CRYPTOGRAPHY LATTICES small integer solutions key exchange protocol secure communications 
A new parallel lattice reduction algorithm for BKZ reduced bases
《Science China(Information Sciences)》2014年第9期132-141,共10页LIU XiangHui FANG Xing WANG Zheng XIE XiangHui 
supported by National Natural Science Foundation of China(Grant No.61003291);Open Project Program of the State Key Laboratory of Mathematical Engineering and Advanced Computing(Grant No.2013A03)
In order to implement the original BKZ algorithm in parallel,we describe it in terms of parallelism and give its parallel implementation scheme. Then we analyze the efficiency of algorithm＇s parallel implementation a...
关键词：lattice reduction BKZ algorithm Goldstein-type lattices parallel algorithm multiprocessor computer architecture 
Gaussian sampling of lattices for cryptographic applications
《Science China(Information Sciences)》2014年第7期150-157,共8页HU YuPu LEI Hao WANG FengHe ZHANG WenZheng 
supported by National Natural Science Foundation of China (Grant Nos.61173151,61303198);Science and Technology on Communication Security Laboratory (Grant No.9140C110201110C1102);supported by Huawei Co.(Grant No.YBCB2012026)
Gaussian sampling is the major class of algorithms for solving the close vector problem（CVP）of lattices.In this paper we present a novel Gaussian sampling algorithm,which has the same cryptographic applications with...
关键词：lattice based public-key cipher CVP Gaussian sampling 
A polynomial time algorithm for GapCVPP in l_1 norm
《Science China(Information Sciences)》2014年第3期107-113,共7页TIAN ChengLiang HAN LiDong XU GuangWu 
supported by National Basic Research Program of China(973 Program)(Grant No.2013CB8342-05);National Natural Science Foundation of China(Grant Nos.61133013,61272035)
This paper concerns the hardness of approximating the closest vector in a lattice with preprocessing in 11 norm, and gives a polynomial time algorithm for GapCVPP~ in 11 norm with gap ＂y ---- O（n/logn）. The gap is ...
关键词：LATTICES ALGORITHM Laplace measures closest vector problem with preprocessing computational complexity 
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