本文主要研究确定性随机理论及在混沌密码学中的应用可行性。
This dissertation mainly focuses on the investigation of deterministic randomness theory and its application to chaotic ciphers.
混沌密码学是非线性科学和信息科学的交叉学科，近些年来得到了众多学者的广泛研究。
Chaotic cryptography is an interdisciplinary subject of nonlinear science and information science, which has been widely studied by many scholars.
有限域，有限群论，混沌理论，编码，数字水印，密码学。
Finite Field, Theory of Finite Groups, Chaos Theory, Coding, Digital Watermarking, Cryptography.
这部分中，本文提出了基于密码学算法的图象置乱方法和基于混沌序列的图象置乱方法，并把电视信号加密方法应用到数字图象置乱中去。
In this part, the scrambling methods based on cryptography and chaos sequences are presented, and the encryption methods used in the TV are applied to the digital image scrambling.
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.
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.
密码学在现代信息社会中具有特殊的重要性，混沌的良好特性给密码的设计提供了新的手段。
Cryptography has the crucial importance in modern info-society. The merits of chaos have brought a new means for the design of cryptography.
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.
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。
There are inextricably links between chaos theory and simple cryptography, and chaotic dynamics shows some features that are desirable for the cipher system.
混沌系统具有良好的伪随机性、长期的不可预测性、对初始值的高度敏感性等特性，这就决定了混沌系统可以应用于密码学领域。
The characteristics of the chaotic system, such as well pseudorandom, long inscrutability, high sensibility to the initial value, make it be applied in the code field.
混沌系统具有良好的伪随机性、长期的不可预测性、对初始值的高度敏感性等特性，这就决定了混沌系统可以应用于密码学领域。
The characteristics of the chaotic system, such as well pseudorandom, long inscrutability, high sensibility to the initial value, make it be applied in the code field.
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