CONSTRUCTIONS

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Functional signatures: new definition and constructions
《Science China(Information Sciences)》2021年第12期185-197,共13页Qingwen GUO Qiong HUANG Sha MA Meiyan XIAO Guomin YANG Willy SUSILO 
supported by Major Program of Guangdong Basic and Applied Research (Grant No. 2019B030302008);National Natural Science Foundation of China (Grant Nos. 61872152, 61872409);Science and Technology Program of Guangzhou (Grant No. 201902010081)。
Functional signatures(FS) enable a master authority to delegate its signing privilege to an assistant. Concretely, the master authority uses its secret key skFto issue a signing key skffor a designated function f ∈ F...
关键词：cloud computation security digital signature functional signature non-interactive zero-knowledge proof E-COMMERCE 
Bounds and constructions of optimal optical orthogonal codes with low correlation zone
《Science China(Information Sciences)》2019年第10期214-216,共3页Chengqian XU 
supported by National Natural Science Foundation of China (Grant No. 61671402)
Dear editor,In optical code division multiple access (CDMA)systems, optical orthogonal codes (OOC) should exhibit the following correlations to reduce multiple access interference:the non-trivial correlation between a...
关键词：BOUNDS and CONSTRUCTIONS of OPTIMAL optical ORTHOGONAL CODES with low correlation ZONE Hamming 
Constructions of vectorial Boolean functions with good cryptographic properties被引量：2
《Science China(Information Sciences)》2016年第11期229-230,共2页Luyang LI Weiguo ZHANG 
supported in part by National Natural Science Foundation of China (Grant Nos. 61373008, 61562069);Science and Technology on Communication Security Laboratory (Grant No. 9140C110203140C11049);111 Project (Grant No. B08038)
Dear editor, Vectorial Boolean functions play an important role in designing certain stream cipher schemes, such as filtering generators and nonlinear combin- ers. To be used in the aforementioned schemes,
关键词：In Constructions of vectorial Boolean functions with good cryptographic properties 
Further results on constructions of generalized bent Boolean functions被引量：2
《Science China(Information Sciences)》2016年第5期238-240,共3页Fengrong ZHANG Shixiong XIA Pantelimon STANICA Yu ZHOU 
supported by National Natural Science Foundation of China (Grant Nos. 61303263, 61309034);Fundamental Research Funds for the Central Universities (Grant No. 2015XKMS086);China Postdoctoral Science Foundation Funded Project (Grant No. 2015T80600)
Dear editor Boolean bent functions were introduced by Rothaus in 1976 as an interesting combinatorial object with the important property of having op- timal nonlinearity [1]. Since bent functions have many applicatio...
关键词：Further results on constructions of generalized bent Boolean functions Zn 
Constructions of QC LDPC codes based on integer sequences被引量：5
《Science China(Information Sciences)》2014年第6期36-49,共14页ZHANG LiJun LI Bing CHENG LeeLung 
supported by Fundamental Research Funds for the Central Universities(Grant No.2011JBZ003);National Natural Science Foundation of China(Grant Nos.61172022,61271199)
Based on difference sequence and Hoey sequence,three types of（2,F）and（3,F）quasi cyclic（QC）low-density parity-check（LDPC）codes are constructed.All 4-cycles and even 6-cycles are removed in the Tanner graph,and ...
关键词：quasi cyclic codes low-density parity-check codes integer sequences difference sequences Hoey sequence 
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