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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 
Efficient construction of provably secure steganography under ordinary covert channels被引量：2
《Science China(Information Sciences)》2012年第7期1639-1649,共11页ZHU Yan YU MengYang HU HongXin AHN Gail-Joon ZHAO HongJia 
Zhu Yan,Yu Mengyang,and Zhao Hongjia was supported by National Natural Science Foundation of China (Grant Nos. 61170264, 10990011);Ahn Gail-Joon and Hu Hongxin were partially supported by US National Science Foundation (Grant Nos. NSF-IIS-0900970, NSF-CNS-0831360);Department of Energy (Grant No.DE-SC0004308)
Steganography is the science of hiding information within seemingly harmless messages or inno- cent media. This paper addresses the problems of efficient construction of secure steganography in ordinary covert channel...
关键词：STEGANOGRAPHY CRYPTOGRAPHY INDISTINGUISHABILITY SAMPLER UNPREDICTABILITY adversary models 
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