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.
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.
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.
混沌加密在计算机网络和安全通信方面的应用为解决信息安全问题开辟了一种新的研究途径。
Chaotic encryption applies a new research approach to solve security of information in computer network and security communication inaugurate.
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.
最后论文分析了当前在混沌加密与数字水印研究中存在的问题,并指出了进一步的研究方向。
Finally, the thesis is concluded by pointing out some open issues on the current research of chaos based encryption and digital watermarking as well as indicating further research directions.
针对现有基于混沌序列的图像加密算法的缺陷,提出一种基于不放回抽样的图像混沌加密算法。
Aiming at defects which are exiting in image encryption algorithm based on chaotic sequences, this paper proposes an image chaotic encryption algorithm based on sampling without replacement.
为了对数字水印技术的新需求,我们在本文中提出了一种基于混沌加密的频率域数字图像水印新算法。
In order to satisfy the new requires to digital watermark, we propose a chaotic encrypted image digital watermarking algorithm based on DWT domain in this paper.
论文设计了基于控制字的混沌图像加密方法,完善了混沌扰动模型,更好地解决了混沌加密有限精度问题。
A chaotic image encryption method based on control word is designed to improve the chaotic perturbation model and solve the finite precision problem in chaotic encryption.
提出了一种在图像小波域中嵌入文字的新型鲁棒水印算法,并对嵌入的文字进行混沌加密和BCH纠错编码。
This paper brings forward a text embedding digital watermarking method based on image's DWT domain, meanwhile, using the chaotic sequences to encrypt the text data and BCH code to correct them.
本文介绍了混沌加密技术和利用混沌技术进行图像加密的方法,并阐述了图像混沌加密的特点和一些值得进一步研究的问题。
The chaotic image encryption technique is Presented in this paper; some advantages with chaotic technique and some valuable Problems for further research were illustrated.
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.
接着,就混沌理论和混沌加密算法进行研究,对其中的部分算法进行了仿真,通过分析,寻找出现有混沌图像加密算法存在的一些不足。
Then, we study chaos theory and the algorithm, take a part of algorithm for simulation, find out the shortage of images encryption algorithm.
图像是否受到篡改,并检测出图像受到篡改的部位。最后论文分析了当前在混沌加密与图像水印研究中存在的问题,并指出了进一步的研究方向。
Finally, the thesis is concluded by pointing out some open issues on the research of chaos based encryption and image watermarking as well as highlight some further research directions.
混沌映射因为初值敏感性、参数敏感性、遍历性和类随机性的特点,很适合用于信息加密。
Based on the features of initial value sensitivity, parameter sensitivity, ergodicity and random similarity, chaotic maps are now widely used in information encryption.
提出了混沌映射与矢量码书相结合的加密算法。
In this paper, an image encryption algorithm based on chaotic mapping and vector quantization is presented.
该方法在一定的量化标准下利用小渡变换提取图象的特征信息,通过混沌序列对其加密生成数字水印。
In this method, the original image 's feature is extracted by using wavelet transform and quantization. The feature information is changed into watermark by the chaotic sequence encryption.
提出一种利用时空混沌同步的数字语音加密通信方案。
One scheme of digital speech encryption communication with spatiotemporal chaotic synchronization was proposed.
如果混沌序列某一比特位为0,则将对应的加密水印信息嵌入到待嵌入图像信息的最低比特位。
When a bit in chao sequences is equal to 0, hiding watermark information of the corresponding bit is embedded into Least Significant Bite.
混沌信号具有天然的随机性,可以作为序列密码应用于信息加密。
The chaotic signal, which possesses natural randomness, can be used for information encryption as sequence cipher.
为了增强水印信号的安全性,采用了基于混沌和位平面的水印加密算法。
In order to enhancing the security of the watermark, we employ an encryption technology based on chaos and bit plan.
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.
提出了一种基于四值混沌阵列的数字图像加密算法。
This paper presents a digital image encryption algorithm based on four-value chaotic array.
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.
将基于混沌的加密算法应用到数字图像加密中。
Then an encryption algorithm based on chaos has been proposed and a file-encryption system is developed.
提出了一种新的基于混沌映射与排序变换的图像加密算法。
Proposed a new algorithm of images scrambling based on the chaotic mapping and sort transformation.
提出了一种新的基于混沌映射与排序变换的图像加密算法。
Proposed a new algorithm of images scrambling based on the chaotic mapping and sort transformation.
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