Results 11 to 20 of about 609 (143)
Zhejiang Daxue xuebao. Lixue ban, 2019 基于对布尔函数内部结构和相关性质的进一步揭示，及其应用领域的拓展，深入研究了布尔函数的布尔导数、e 导数和c 导数的相互关系，讨论了布尔函数的布尔偏导数、e 偏导数和c 偏导数之间的关系，得到了相关性质并给出了证明。以进一步完善布尔函数的布尔导数、e 导数和c 导数这3 类特殊导数的运算理论。
WANGFang(王芳)
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Zhejiang Daxue xuebao. Lixue ban, 2006 分析了用图形方法计算逻辑函数的布尔差分与布尔偏导数存在的问题，在分析布尔差分与布尔偏导数的定义的基础上提出了计算布尔差分与布尔偏导数的表格方法，讨论了在1值最小项数较多时用计算布尔差分与布尔偏导数的表格方法.本文提出的表格方法与图形方法相比，具有不需画图，操作方便，易于计算机编程操作以及可用于多变量逻辑函数等优点.
LIANYi-qun(练益群) +1 more
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Description of global avalanche characteristics and constructions of Boolean functions [PDF]
, 2014 Global avalanche characteristics matrix representation method starting from the expression of global avalanche characteristics was proposed and a new tool for research global avalanche characteristics was provided.According to properties of sum-of-square
Hong-bo YUAN +3 more
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SAT-based differential automatic search algorithm using divide-and-conquer strategy and its applications [PDF]
, 2023 To improve the efficiency of automatic search, an algorithm for searching the optimal differential characteristics based on SAT model was proposed by combining the divide-and-conquer strategy.The search space was divided into disjoint subsets by using ...
Bin HU, Senpeng WANG, Xiao TAN
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Extended algebraic immunity of symmetric Boolean function [PDF]
, 2014 Boolean functions with optimal algebraic immunity play an important role in stream ciphers.Based on the univariate polynomial representation of Boolean functions,a construction of Boolean functions with maximum extended algebraic immunity (EAI) is ...
Gao-fei WU +3 more
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Attribute-based encryption scheme against key abuse based on OBDD access structure from lattice [PDF]
, 2023 In order to solve the key security problem in attribute-based encryption, a ciphertext policy attribute-based encryption scheme against key abuse was proposed based on the ring learning with error over ring and the access structure of ordered binary ...
Kai LIU +3 more
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Research on properties of high-order e-derivative(关于高阶e导数性质之研究)
Zhejiang Daxue xuebao. Lixue ban, 2013 e导数在组合电路故障检测、揭示H布尔函数的密码学性质和确保密码学系统安全性中具有重要的作用.首先阐述了布尔函数1阶e导数的定义和性质，在此基础上，提出了布尔函数高阶e导数的概念，参照布尔代数2阶及k阶布尔差分的定义，给出了2阶及k阶e导数的定义与性质，并给出了证明.将1阶e导数性质推广至n变量布尔函数任意k阶e导数，推动与完善了关于e导数的研究.
QIUXiao-hua(邱晓华) +1 more
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Zhejiang Daxue xuebao. Lixue ban, 2004 讨论了布尔减和布尔除的定义以及逻辑函数在布尔减及非运算、布尔除及非运算完备集中的展开，给出了减-非和除-非逻辑函数的化简公式.在此基础上提出了减-非和除-非逻辑函数的代数化简法以及图形化简法，并给出了化简实例.实例验证了上述化简方法的有效性.
PANWei-zhen(潘伟珍) +2 more
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Two-dimensional pseudo-random coupled map lattices system based on partitioned elementary cellular automata and its dynamic properties [PDF]
, 2022 To solve the weak chaos in the spatiotemporal chaotic system based on coupled map lattices under some control parameters and the un-uniformity of sequences generated by the coupled map lattices, a two-dimensional pseudo-random coupled map lattices (2D ...
Geng ZHAO, Yingjie MA, Youheng DONG
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Zhejiang Daxue xuebao. Lixue ban, 2017 为简化布尔函数中12类对称变量的检测过程，提出了含无关项布尔函数基于最小项展开系数的对称变量检测算法.该算法通过判别布尔函数有序特征值矩阵的约束条件以实现对称变量的快速检测.应用结果表明，与现有方法相比，算法在适用的布尔函数变量数、检测类型、检测含无关项布尔函数和检测过程的复杂度方面表现较优.
ZHANGYongbo(张永波) +1 more
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