本文论述的是基于DSP的数字混沌加密系统的设计与实现方法。
This paper discusses the method of design and realization of digital chaos encryption system based on DSP.
在实现了硬件系统设计之后，本文对数字混沌加密系统的软件设计也作了详细的分析和介绍。
After having realized the hardware circuit, this paper discusses software design of digital chaos encryption system in detail.
最后，提出了基于混沌加密技术的RFID系统的新的控制机制和工作流程。
Finally, the new controlling mechanism and working process of the new RFID system applied with chaotic encryption are proposed.
根据混沌系统产生的二进制序列，设定神经网络的权值和阈值，对每一个像素进行加密和解密运算。
According to a binary sequence generated from a chaotic system, the weights and biases of the network are set for the encryption and or decryption of each signal element.
提出了一种基于复合离散混沌系统的对称图像加密算法。
In this paper, a symmetric image encryption scheme based on composite discrete chaotic system is presented.
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。
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.
混沌加密通信系统具有很强的抗破解能力和长期不可预测等许多优点。
So the secure communication systems that apply the chaotic signal have strong anti-decryption and long unpredictability.
混沌加密通信系统具有很强的抗破译能力和长期不可预测等许多优点。
The secure communication systems that apply the chaotic signals have strong anti-decryption and long unpredictability.
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。
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.
在数据加密系统中，通常利用混沌模型迭代产生的序列作为密钥，以保障数据安全，防止非法篡改和窃取。
In the data encryption systems, chaotic sequences can be used as the secret key to guarantee the safety of data and prohibit the juggle and steal unlawfully towards the data we sent.
考虑到图像数据量大的特点，传统加密算法无法满足系统要求，我们提出了一种基于混沌序列的图像加密算法。
Considering the characteristic of huge image data, traditional encryption algorithm can't satisfy system's demand, so we bring forward a image encryption algorithm based on chaotic sequences.
通过设计非线性状态观测器，构造了两个混沌系统并使其保持同步，从而实现加密信号的完全再现。
By designing nonlinear state observer, two chaotic systems are constructed and kept synchronized, hence, encrypted signals can be completely recurred.
利用混沌系统的特点调制了两种不同的混沌序列，分别用于水印加密和子图像的抽取。
Two chaotic sequences are modulated according characters of chaotic system, using for watermark encryption and sub image extraction.
根据高维混沌系统具有更高安全性的特点，提出一种基于统一混沌系统和广义猫映射的彩色图像加密新算法。
According to the characteristic of higher secrecy of high-dimension chaotic system, a new colour image encryption algorithm based on unified chaotic system and general cat maps was proposed.
给出了一种新的信道加密的思想——将混沌加密技术应用于网络传输通信。基于此思想实现了一个密钥文本的P 2 P网络传输系统。
Carrying out a new channel encryption method based on chaotic encryption, and employing this method to develop a key text P2P transmission system.
在对换位加密技术研究的基础上，提出了一个基于混沌系统的动态换位加密方案。
The technology of transposition cipher is discussed firstly and a novel dynamic transposition cipher based on chaotic systems is presented.
研究了一类具有良好隐蔽性的一元三次离散动力系统的混沌序列产生情况，提出了混沌序列的异或和置乱加密算法。
The chaos sequence procedure of a kind of discrete dynamic system with good concealing feature is studied, and two algorithms about chaos sequence are provided.
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。
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.
通过设计非线性状态观测器，构造了两个混沌系统并使其保持同步，从而实现加密信号的完全再现。
The structure of Liu chaotic system was analyzed, and then linear feedback synchronization method and state observers synchronization method were designed.
本文提出了一种保密通信的新设想，也就是在通常的混沌通信系统的收发端，各增加一个时变系统，可以达到“双重加密”的目的。
A new scheme in chaos security communication, the time-variable system added in the transmission and reception unit, is proposed in this paper. This way can make the system be double-secure.
本文基于三维整数拟仿射变换和四维混沌系统对图像加密。
In this paper, the symmetric image encryption scheme based on 3-d quasi-affine transformation over limited integer grids and 4-d chaotic map.
基于级联空间混沌系统的选择图像加密算法是在将上述算法结合选择图像加密后提出的。
We combine the above algorithm with selective image encryption and propose a selective image encryption based on couple chaotic systems.
而混沌系统具有对初始条件敏感性、随机性、相关性等优良的密码学性能，能够产生性能良好的伪随机序列，所以很适合于序列加密。
Chaotic systems are sensitive to the initial condition, randomness and correlativity. They can produce good pseudo - stochastic sequences. Therefore, these systems are suitable to the stream cipher.
而混沌系统具有对初始条件敏感性、随机性、相关性等优良的密码学性能，能够产生性能良好的伪随机序列，所以很适合于序列加密。
Chaotic systems are sensitive to the initial condition, randomness and correlativity. They can produce good pseudo - stochastic sequences. Therefore, these systems are suitable to the stream cipher.
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