In many cipher system, the pseudo random sequence generator is an important part in system security.
在许多密码系统中，伪随机序列生成器是系统安全的一个重要组成部分。
There are not any general conclusions about periodicity of DES when itis used in stream cipher system.
DES应用于序列密码体制，其周期性问题没有一般的结论。
The block cipher with a substitution permutation network is the best known and widely used block cipher system.
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 hybrid cipher system can be used widely in thee-commerce, the secure instant messaging, the secure email, etc.
该混合加密模拟系统适用于电子商务、安全即时通信、安全电子邮件等多种应用场合。
Since the 1980s, more and more attentions have been given to constructing a cipher system with digital chaotic system.
二十世纪80年代以来，用数字化混沌系统构造密码系统受到了越来越多的关注。
There are inextricably links between chaos theory and simple cryptography, and chaotic dynamics shows some features that are desirable for the cipher system.
混沌理论与密码学之间存在着千丝万缕的联系，混沌系统的动力学特性满足密码系统的某些安全性能需求。
After the electric vehicle is stolen, because a cipher system and a signal processing and drive system are inseparable, a robber can not normally use the electric vehicle.
被盗后由于密码系统和信号处理及驱动系统不可分割，盗贼也无法正常使用该电动车。
First, it introduces the basic principle of the encryption of data, including key and two kinds of cipher system. Then, the chat system developed by us is given as an example.
首先介绍了数据加密的基本原理，包括密钥和两种密码体制然后，给出自行开发的交谈系统作为示例。
The zero-knowledge status authentication is a fascinating question of contemporary password research, and the elliptic curve is the cipher system having higher security in comparison with others.
零知识身份认证是当代密码研究的一个引人入胜的问题，而椭圆曲线相对于其它密码体制具有更高安全性。
Cipher Card can offer cryptogram service to PC system and network security device to realize safe storage for files and secure communication for information on network.
加密卡可以为个人计算机系统、网络安全设备提供密码服务，以实现数据的安全存储和网络信息的保密通信。
This paper discuss principle and count of information secret technique about cipher communicate system , and way to realize this technique.
本文较详细的介绍了密码通信系统中的信息加密技术原理和算法，以及实现该技术的方法。
This paper introduces the principle and experiment of using optical system to realize the quantum cipher communication.
介绍以光学系统来实现量子密码通信的原理和实验。
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.
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。
The system contain the integrity function of users increase, delete and the cipher modification, and the report form to print.
系统有完整的用户添加、删除和密码修改功能，并具备报表打印功能。
My X system USES public key to decrypt a cipher and do some work based on that.
我的X系统使用公钥解密一个密码，并根据它做一些工作。
Chaotic stream cipher scheme: good binary sequences are generated using chaotic system, and after performance tests the sequences are applied to encrypt images and speech signals.
混沌流密码加密方案：利用时空混沌系统产生伪随机性能良好的二值序列，并通过了一系列性能检测，实现了对图像和语音文件的流密码加密。
But user of the system whom I do not trust has access to the system, cipher and the key.
但是我不信任的系统的用户可以访问系统，密码和密钥。
This paper offers a compound chaotic system based mutiple model used as sequence cipher, which has a high encryption speed, a large key space and is difficult to crack.
本文提出一种基于多模型的混合混沌系统，它具有加密速度快，密匙空间大，不容易破解的优点。
The study result will be a reference for digital chaotic cipher application and provide a feasible scheme for digital video encryption transmission and monitoring system.
论文的研究工作将对数字化混沌密码的应用提供参考，并将为数字化视频加密传输与监控系统提供一种可行方案。
This paper introduces an auto-alarming electronic cipher lock system designed with the AT89C2051 monolithic integrated circuit.
介绍了一种应用AT89C2051单片机设计的防盗自动报警电子密码锁系统。
Block cipher used in this system of thought, of the 128-bit encryption and decryption expressly groups.
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。
The record and statistic of telephone charging, the control of user grade and cipher code telephone are developed deveploped in this system.
该系统可以实现电话话单的记录、话费的统计与结算、用户话机权限控制、密码电话等功能。
The SZM19-A system has passed the technology appraisal of the Committee of National Cipher Management, and also has passed the general test that was organized by the People's Bank of China.
国光公司的电子支付密码器系统通过了国家密码管理委员会的技术鉴定，通过了中国人民银行总行组织的系统通用性测试，并为许多商业银行所接受。
Bases on advantages of the old mechanical lock, and the new type cipher lock with Computerized Control System is designed.
我们设计的密码锁是在保留旧机械锁优点的基础上加入计算机控制系统。
In order to keep pace with the accreditation of wireless network and cipher code, the wireless public key system is researched.
为了适应无线网络认证和加密的需要，对无线公钥体系进行了研究。
This paper USES chaos anti-control idea to generate a hyper-chaotic system, and USES the pseudo-random feature of hyper-chaotic system to design a stream cipher.
应用混沌反控制思想产生超混沌，根据超混沌系统的伪随机特性进行流密码设计。
The performance of the cipher algorithm and random numbers used in the application system directly affects the safety performance of the entire system.
这些安全算法的性能直接影响着整个应用系统的性能。
This paper gives a model of "one-group-one-cipher" cryptosystem based on DES. By combining the block-cipher and stream-cipher, the security of the system is thus strengthened.
提出一个以DES为基础的“一组一密”密码系统模型，将分组密码与流密码技术相结合，增强其安全性。
The ISA card is made of X76F100 and the hardware principle, the principle of encryption method, the design of the cipher software and the safety characteristics of the system are also described.
同时，还详细论述了加密系统中ISA卡的硬件原理、四码代数加密法的原理、加密软件的设计以及系统的安全特性。
In order to satisfy the encryption requirements of radar system data transfer, the Counter (CTR) mode of Advanced encryption Standard (AES) was modified into a stream cipher.
为了满足雷达系统对信息加密传输的要求，对高级加密标准(aes)的计数模式(CTR)重新设计，将其改进成流加密的工作模式。
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