Results 31 to 40 of about 749 (180)
Graphic method calculating Boolean E-derivative based on K-map(基于K图的布尔E-导数计算的图形方法)
Zhejiang Daxue xuebao. Lixue ban, 2013 分析了逻辑函数的K图和降维K图，在此基础上，从逻辑函数定义出发，讨论了用K图和降维K图计算逻辑函数一阶布尔E-导数和二阶布尔E-导数的图形方法，实例表明该方法具有直观、简单等特点，并且能给出布尔E-导数的最简与/或式.
LIXiao-hua(厉晓华) +2 more
doaj +1 more source
Zhejiang Daxue xuebao. Lixue ban, 2002 证明了布尔减与非运算、布尔除与非运算均构成完备集,并根据布尔除、布尔减的运算规则和性质,从最小项、最大项展开式出发,推导了任意逻辑函数在这两个完备集中的规范展开式.得到的展开式形式简单,容易记忆,与函数在与、或、非代数系统中的规范展开式之间的转换非常便捷.本文的工作对进一步完善布尔代数的四则运算理论具有一定的意义.
TANGJin-hua(唐金花) +1 more
doaj +1 more source
Zhejiang Daxue xuebao. Lixue ban, 2015 提出了基于改进分解图（D图）同时计算布尔函数的1阶、2阶e-导数、c-导数及布尔导数的方法，讨论了当布尔函数的变量数为偶数（即n = 2k)时，计算k阶及k阶以下全部e-导数、c-导数及布尔导数所需的D图数.与传统方法相比，该方法显著减少了D图数，且简单、有效、易于计算机编程操作.
WANGFang(王芳)
doaj +1 more source
Methods of calculating Boolean partial derivative based on dj-map(基于dj 图的逻辑函数布尔偏导数的计算方法)
Zhejiang Daxue xuebao. Lixue ban, 2005 讨论了基于dj图和降维dj图计算逻辑函数的一阶布尔偏导数和二阶布尔偏导数的图形方法.实例表明该方法具有直观、简单等特点，并且它能给出布尔偏导数的最简CRM式.
XIAOLin-rong(肖林荣) +2 more
doaj +1 more source
Construction of weightwise perfectly balanced Boolean functions [PDF]
In the context of homomorphic-friendly stream ciphers such as FLIP, weightwise perfectly balanced Boolean functions have become a hot topic in cryptography in recent years.
QIN Baodong, WANG Fujia, ZHAO Qinglan
core +1 more source
Equivalent characterization of resilient rotation symmetric functions with q number of variables over GF(p) [PDF]
, 2014 Baesd on the property of the l-value support tables of the resilient rotation symmetric functions (RSF) with q number of variables, an equivalent characterization on the resilient RSF with q number of variables is derived.
GJie ZHAN +3 more
core +1 more source
Fast algorithm to search for the minimum number of active S-boxes of block cipher [PDF]
, 2023 To solve the problem of fast calculation of the minimum number of active S-boxes in cryptographic design, the difference and mask propagation of the diffusion layer were investigated, and a method was proposed to compute the difference (resp.mask ...
Chaoxi ZHU, Yongqiang LI, Zhengbin LIU
core +1 more source
Zhejiang Daxue xuebao. Lixue ban, 2018 针对已有方法在求解布尔e偏导数时只能解决小规模电路的问题，提出了一种基于逻辑函数不相交运算的大函数高阶布尔e偏导数的求解算法.该方法将逻辑函数转化为不相交乘积项的集合，用逻辑函数的不相交运算替代布尔e导数运算中的逻辑“与”运算；并将不包含待求导变量的乘积项拆分出来，不参与布尔e导数运算，以达到降低算法复杂度、提高算法速度的目的.提出的算法用C语言编程实现，并用MCNC测试电路进行了测试.实验结果显示，本算法能快速实现大函数高阶布尔e偏导数的求解，求解效率与参与不相交运算的乘积项数量有关 ...
LUOWenqiang(罗文强) +2 more
doaj +1 more source
Relationship between correlation immune and weight of H Boolean functions [PDF]
, 2012 The Boolean function derivative and e-derivative which together with the derivative so that the weight of Boolean functions can be directly clear characterized and defined as the tools for research and deep into the internal structure of Boolean function
Jing-lian HUANG, Zhuo WANG
core
Efficient pairing-free CP-ABE based on ordered binary decision diagram [PDF]
, 2019 To improve the computational efficiency of ABE,its access structure was optimized and a pairing-free CP-ABE scheme based on ordered binary decision diagram (OBDD) was proposed.Based on the elliptic curve cryptography,the complex bilinear pairing ...
Hui LI, Jin CAO, Sheng DING
core +1 more source