1) Fractional step length characteristic difference schemes
分数步长特征差分
2) difference step
差分步长
3) differential characteristic
差分特征
1.
It is shown that 12-round AC has no differential characteristic with probability higher than 2-128 and no linear approximations with approximation bias larger than 2-67 by estimating the lower bound of the number of active-boxes in 3-round differential characteristic and 12-round linear approximation.
讨论AC分组密码对差分和线性密码分析的安全性,通过估计3轮AC的差分活动盒子的个数下界和12轮AC的线性活动盒子的个数下界,本文得到AC的12轮差分特征概率不大于2-128和线性逼近优势不大于2-67。
4) characteristic difference
特征差分
1.
A higer-order characteristic difference is presented for advection equation.
对现有对流方程解的数值格式作了综述,针对现有格式不能很好模拟浓度分布尖陡这一情况,建立了一种近九阶精度的特征差分格式,并给出算例。
2.
Combing them with characteristic difference method, we establish the high-resolution difference schemes for the nonlinear convection-dominated diffusion problem.
特征差分法是求解对流扩散问题的一种较为有效方法，但在求解具有陡峭前线问题时，也会产生非物理振荡阻（见４）。
5) differential characteristics
差分特征
1.
In this paper, the problem of finding the differential characteristics of block cipher is transformed into the problem of finding shortest path on digraph with weight.
在这篇文章中,首先将寻找分组密码差分特征问题转化为一种在有权重的有向图上找最短路的问题,然后在此基础上提出了一种运用蚁群算法寻找分组密码差分特征的算法模型。
2.
For Rijndael algorithm is based on the algebraic theory,we introduce some algebraic properties of the basic function used in the Rijndael and present some differential characteristics of the Round transformation.
由于此算法依托于代数学理论的加密算法,所以本文介绍了它的基本函数的一些代数性质并提出了轮变换的一些差分特征。
6) differential character
差分特征
1.
Searching differential characters with high probability is an effective way to attack block cipher.
通过对美国高级加密标准(AES)特点的分析,引入差分特征输入差分活性盒分布图的概念,给出了一种计算AES差分特征的方法,从而使得计算AES的多轮差分特征成为可能。
补充资料：连分数的渐近分数
连分数的渐近分数
convergent of a continued fraction
连分数的渐近分数l阴ve吧e时ofa阴‘毗d五，比.;n侧卫xp口.坦”八卯6‘] 见连分数(con tinued fraction).
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条