根据非线性动力学中的混沌理论设计了一种混沌序列密码，利用该序列密码与RSA公开密钥算法构造了一种新的混合密码体制。
In this paper, a new chaos stream cipher was proposed based on the chaos theory of nonlinear dynamics. Combining this stream cipher with RSA algorithm, we construct a new hybrid cryptosystem.
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.
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.
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.
实验表明混沌密码序列对随机性的测试的好坏存在不确定性，因此混沌序列应用到序列密码之前必须对序列进行随机性检测。
The experimentation shows indeterminacy of chaos's time sequence in experiments of randomicity check. So the randomicity of chaos's time sequence must be checked before it become keying sequence.
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.
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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