S盒是设计分组密码的重要组件。
Block ciphers employ substitution boxes (S-boxes) as important components.
提出了一种新的基于混沌的分组密码算法。
穷举仍然是对分组密码的实用的攻击主角。
The exhaustion still was to the block cipher practical attacklead.
扩散准则是分组密码中布尔函数设计的基本准则。
The propagation criterion is an important criterion of designing Boolean functions in block cipher.
要对大量数据使用分组密码,您需要一种操作模式。
To use a block cipher for larger amounts of data you need a mode of operation.
密钥编排是迭代型分组密码体制设计的一个重要环节。
Key schedule is an important part in designing iterated block cryptosystems.
分析了基于分组密码算法idea设计的端-端加密系统。
IDEA is a symmetrical block cipher. End-to-end encryption based on IDEA is presented and analyzed.
分组密码算法是信息安全领域中最为重要的加解密技术之一。
Block cipher is one of the most important encryption and decryption algorithms in information security.
包含代替置换网络的分组密码是一种广泛使用的分组密码系统。
The block cipher with a substitution permutation network is the best known and widely used block cipher system.
该检测方法可以一定程度地反映出分组密码抵抗积分攻击的能力。
The method can also somewhat reflect the resistance ability of a block cipher to integral attack.
对基于此种新轮函数的一种迭代型分组密码进行了差分密码分析。
A differential cryptanalysis of the iterated block cipher based on the new round function is presented.
工作模式是一个算法,它刻画了如何利用分组密码提供信息安全服务。
A mode of operation is an algorithm that features the use of a block cipher to provide an information security service.
流密码与分组密码是基于位运算的图像加密算法中两种主要密码体制。
Stream cipher and block cipher are main cipher systems in image encryption algorithm based on bit operation.
从混沌流密码和混沌分组密码的角度讨论了混沌和密码学之间的关系。
The relationship between chaos and cryptography from the piontview of chaotic stream cipher and chaotic block cipher is discussed in detail.
地址码必须如分组密码方法那样,混淆在对TOD输入的变换过程之中。
It is necessary to mix address code in transform process of input TOD as block cryptogram.
在分组密码的设计中,提高分组密码的抗差分攻击性能是一个重要的课题。
An important problem in the design of the block cipher is to improve the performance of the resisting differential cryptanalysis.
分组密码广泛应用于各类密码算法,如加密算法和消息认证码(MAC)。
Block ciphers can be used in many cryptographic primitives, such as encryption and message authentication code (MAC).
本文提出了单比特和多比特扩散码以及用它们构造认证码和分组密码的方法。
Single bit and multiple bits diffusion code and the method of constructing authentication code and block cipher used with them is suggested in this paper.
通过引入二进制分数及其相关运算,提出一种新的基于混沌映射的分组密码算法。
By introducing binary fraction and its related operations, a novel block cipher based on chaotic maps is proposed in this paper.
分组密码是密码学的一个重要分支,分组密码的安全性研究成为一个重要的课题。
Block cipher is an important branch of cryptography. Research on security of block cipher is an important direction.
为提高分组密码工作模式的性能,提出了1个基于电码本(ecb)模式的新方案。
A novel scheme based on traditional electronic codebook (ECB) mode was proposed to improve the capability of block-cipher mode of operation.
一个自己设计的加密体制。本体制采用分组密码思想,对128位的明文分组进行加解密。
Block cipher used in this system of thought, of the 128-bit encryption and decryption expressly groups.
本文综述了计算机密码学在分组密码,序列密码,公钥密码,混沌密码等方面研究的新进展。
In this paper we survey the new advances in the research on computer cipher, focusing on block cipher, sequence cipher, public key cipher and chaos cipher.
SPN结构是一种流行的分组密码总体结构;差分和线性分析是攻击分组密码的最强有力的方法。
SPN is a popular overall structure of block cipher, and the differential cryptanalysis and linear cryptanalysis are the most powerful approaches to attack most symmetric block ciphers.
结果表明,在所用分组密码是伪随机置换的条件下,方案在分块适应性攻击模型下是可证明安全的。
Investigation shows that the scheme is provable security under the blockwise adaptive attack model if the underlying block cipher is a pseudorandom permutation.
论文介绍了一种基于全非奇异矩阵的代替置换网络,它可有效的提高分组密码抗线性密码分析的能力。
This paper introduces a completely nonsingular matrix based substitution permutation network that can effectively improve the performance of the block cipher against linear cryptanalysis.
DES作为传统分组密码算法的典型代表,存在密钥空间太小的致命弱点,在穷举密钥攻击下被破译。
As the representative of tradition block encryption algorithm, DES has a deadly weakness that is too small key space to prevent exhaust attacks.
指出了使用大规模的基于全奇异矩阵的代替置换网络可有效地提高分组密码抗差分密码分析的安全性。
Therefore, using large completely nonsingular matrix based substitution permutation networks can effectively improve cipher security in relation to differential cryptanalysis.
KCBC或KCTR MAC认证模式和CTR(计数器)加密模式结合可构成分组密码算法的新工作模式。
The KCBC or KCTR-MAC authentication mode may be combined with the CTR(counter) encryption mode to form a new full block cipher mode.
指出了分组密码的多次迭代使对称置换结构复杂化,可以选择对称置换作为分组密码算法的扩散部分来设计。
This paper shows that Hi-times substitute makes permutation structure more complicity, so symmetrical permutation can be chosen as the diffusion module in block cipher algorithm design.
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