查询词典 ciphers

The boom of research on chaotic ciphers occurred from 1989, two chaotic ciphers schemes proposed by Matthews, Pecora and Carroll, respectively and much more contributions are made to get many promising achievements.

从1989年Matthews， Perora和Carroll分别提出混沌密码学中的两种方案之后，混沌密码的研究进入了繁荣时期，取得了大量的研究成果，出现了不少充满希望的进展。

In this paper,the possessed knowledge on study generalized correlation-immunity is introduced,including stream ciphers system,Booleam function in ciphers,divide-and-conquer attacks,ungraduated ruler of correlation-immune.

文章介绍了研究广义相关免疫函数应具备的知识，包括：流密码体制、密码学中的布尔函数、分别征服代数攻击、相关免疫的界定。

People occasionally design strong ciphers. Amateur cryptographers even design strong ciphers.

人们偶尔能设计出强的密码算法，爱好者也可以设计强的密码算法。

Three kinds of equivalent ciphers of AES are presented by separating S-box s affine transformation .

分离了AES密码中S盒的仿射变换，得到了与原密码S盒不同的三种等价密码。

The complexity and the degree of the algebraic expression for the Sbox are symbols of resistance of block ciphers against the interpolation attacks.

插入攻击是一种针对代数式次数和复杂程度低的分组密码的攻击方法。

Chapter 4 presents five design criteria of S-boxes of block ciphers, develops a method of constructing large S-box by use of algebraic group operation, proves the balance property of these large S-box, tests the strict avalanche and independence of avalanche variables properties of S-boxes in NEA cipher, analyses the nonlinearity and best linear approximation of the S-box, and finally defines the differential of input/output of S-boxes of this cipher and analyses the distribution of them.

第二部分即第三章，提出了一种新的分组密码类NEA(NEA-4A，NEA-8A，NEA-4B，NEA-8B)，完整地描述了该密码类的加解密过程和密钥协议；证明了NEA-4B和NEA-8B的完全对合性和没有不动点的性质；分析了该密码类的安全特征；具体地介绍了实现该类密码的途径；给出了NEA-4A的计算机C语言程序和样本数据。

In this paper,the basic contents of the algebraic attacks on stream ciphers with linear feedback are introduced.

概述了流密码代数攻击的提出和发展，介绍了它的基本思想。

The cryptanalysis and design of block ciphers are one of the hotspots in modern cryptography.

分组密码的设计与分析是当前密码学研究的热点课题之一。

In this paper, we discuss the method of error-correcting codes on the design of block ciphers.

本文对分组密码设计中的纠错码方法进行了系统地研究，在概括纠错码和分组密码基本知识的基础上，着力讨论了S盒和P置换设计中的纠错码原理与方法，得到了一些有价值的结果。

He devised a number of techniques for breaking German ciphers, including the method of the bombe, an electromechanical

在图灵看来，这台机器只用保留一些最简单的指令，一个复杂的工作只用把它分解为这几个最简单的操作就可以实现了，在当时他能够具有这样的思想确实是很了不起的。

When this condition occurs, inbound replication with the source partner is stopped on the destination domain controller and event ID 2042 is logged in the Directory Services event log.

计算机密码学是研究计算机信息加密、解密及其变换的科学，是数学和计算机的交义学科，也是一门新兴的学科。

Instructions: click on the thumbnails to see a larger image, then use the left-right arrow keys to scroll through the slideshow.

使用说明：滑鼠点在小图上即可放大观赏。开启后键盘左右键可用来换照片。