密码分析 meaning in English
cryptanalysis
cryptoanalysis
Examples
- Aes - ccm mode use counter mode application simple , systematic expense little , may raise the efficiency of encryption . aes algorithm is presented in allusion to differential cryptanalysis and linear analysis . therefore , the security of aes algorithm in current stage have enough guarantee
而aes算法是针对差分分析和线性分析提出的,它的最大优点是可以给出算法的最佳差分特征的概率及最佳线性逼近的偏差界,具有抵抗差分密码分析及线性密码分析的能力,因此aes算法的安全性在现阶段是有足够保障的。 - The aim of the research presented in this thesis is to investigate the use of various optimization heuristics in the fields of automated cryptanalysis and automated cryptographic function generation . in this paper , we improve the design of the cryptographic components using optimization algorithm , and a new approach for attacking on some filter generators is introduced . boolean functions are important parts of sequence ciphers
在应用方面,人工智能和机器学习方法在复杂优化和搜索问题中的应用是一个受到普遍关注的研究课题,而人工智能和机器学习方法来解决密码分析与设计中存在的复杂的搜索和优化问题也成为近年来密码学研究中的一个新兴方向。 - The structures , styles , advantages and disadvantages of some frequently used block ciphers are given in detail . the design rules and the structure methods for the round - function , s - boxes , p - permutation of the block cipher as well as several rules for the key - expansion algorithm are discussed in detail . the most two typical block ciphers , rijindael algorithm ( advanced encryption standard ) and camellia algorithm ( new european schemes for signatures , integrity and encryption ) are introduced
本论文首先介绍了国内外现有的几种攻击分组密码的典型方法,包括差分密码分析、线性密码分析以及针对aes的代数攻击的最新进展;然后针对各种已有的密码攻击手段,给出了分组密码的一般设计原理,并详细阐述了分组密码结构类型及其各个部件的设计准则和构造方法,最后介绍了当前国际上最具有代表性的两个分组密码算法? rijndael算法(高级加密标准)和camellia算法(新的欧洲签名、完整性认证和加密方案) 。 - Concentrating on security analysis and design of block ciphers , five principal achievements have been obtained in this dissertation : 1 . using differential - nonlinear cryptanalysis , truncated differential - linear cryptanalysis and integral cryptanalysis respectively , three attacks of reduced - round safer + + are given ; 2 . based on the survey of provable security and practical security of block ciphers , a block cipher model of spn cipher containing feistel structure is proposed
分别利用差分-非线性密码分析、截断差分-线性密码分析、积分密码分析三种不同的密码分析方法,对safer + +进行了密码分析; 2在对分组密码的可证明安全性和实际安全性研究的基础上,提出了一个嵌套feistd结构的sp型分组密码的模型。