提出了一种新的基于混沌的分组密码算法。
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.
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.
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.
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.
文章对一种适用于分组密码算法的循环移位器ip核的设计进行了研究，该IP核的可重构设计使其具有可复用性。
A sort of reconfiguration cycling shifter for Block Cipher Algorithm, which was designed as IP core for reusing, was studied in this paper.
设计了一种新的分组密码算法，该算法利用矩阵乘法的扩散作用与专门设计的一种矩阵运算的混乱作用实现对信息的加密。
A new block cipher is designed where the diffusion of matrix multiplication is combined with the confusion of specially designed matrix operation to encrypt information.
并给出了改进算法加密图像数据的应用实例，分析比较了改进后的算法和传统分组密码算法在安全性和抗破译性方面的性能。
An application example is given. Finally the security performance and anti-attack performance from both traditional block encryption algorithm and improved algorithm are analyzed and compared.
针对一类分组密码算法，通过将S盒与密钥相关联，给出了S盒重组算法，丰富了S盒的应用模式，有效提高了分组密码的安全强度。
Concerning one class of block ciphers, an Sboxes reorganized algorithm was given, which enriched Sboxes application patterns and improved the security strength.
为了保证密文数据在不解密的情况下能够被检索出来，日期、数字类型的数据需要按照一定的规则转换成字符，并且加密使用的分组密码算法需要进行一些改造。
In order to enable query on ciphertext, date and numeric typed data must be transformed according some rules, and the grouping cipher arithmetic must be changed a little.
加密算法和散列函数被进一步分组到密码规范中。
The encryption algorithm and the hash function are further grouped into CipherSpecs.
为了使SSL会话中所使用的加密算法和散列函数的规范更容易，这些算法被分组到各个密码套件(CipherSuite)中。
To facilitate the specification of encryption algorithms and hash functions that are used during an SSL session, the algorithms are grouped into CipherSuites. A CipherSuite defines.
对这个基于J2ME的Kerberos客户机，我将只支持一种加密算法，即CBC(密码分组链接cipher block chaining)模式下的DES(数据加密标准)。
For the J2ME-based Kerberos client, I'll only support one encryption algorithm, which is DES (data encryption standard) in CBC (cipher block chaining) mode.
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.
通常设计压缩函数有两种方法：一、利用某些数学工具专为哈希目的而设计一个压缩函数，二、利用现有的密码算法如分组密码来作为压缩函数等。
For the design of a compression function one can either start from scratch and build a function specific for the purpose of hashing or use existing cryptographic building blocks such as block ciphers.
对称加密算法从加密模式上可分为流密码(序列密码)和分组密码(块密码)两大类，几乎当前使用的所有对称加密算法都是基于分组密码模式。
It can be divided into two sorts as stream cipher mode and block cipher mode by encrypting mode. The most commonly used symmetric encryption algorithms are almost based on block cipher mode.
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).
文中以DES加密算法为例，在分析DES加密过程、密钥计算、加密函数和解密过程的基础上，探讨分组密码的设计原则。
The general design rules of block cipher is discussed by analyzing the encryption process, key generating, encryption function and decryption process of des algorithm.
基于网络的数据传输安全问题是信息安全领域的重要课题之一，本文在分析现有数据加密方法的基础上，在数据传输系统中应用一种基于分组密码新概念的新算法—排列码加密算法。
In this paper, a permutation code security algorithm based on the block cipher that is widely used in the data transmission system is put up after carefully studied the current encryption methods.
AC分组密码的设计结合了宽轨迹策略和比特块技术，以确保算法对差分密码分析和线性密码分析的安全性。
The cipher design combines the wide trail strategy and bit-slice technology that ensure the resistance AC against differential and linear cryptanalysis.
AC分组密码的设计结合了宽轨迹策略和比特块技术，以确保算法对差分密码分析和线性密码分析的安全性。
The cipher design combines the wide trail strategy and bit-slice technology that ensure the resistance AC against differential and linear cryptanalysis.
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