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The use of chaos in information enciphering

机译:在信息加密中使用混沌

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摘要

In recent years, some authors have tried to utilize the properties of chaos to implement a secure communication system. In their papers, secure communication via chaotic synchronization was experimentally demonstrated using Chua's circuit. Chaos is aform of random behavior that occurs in deterministic systems. When the values of certain parameters are suitable, under given initial conditions, deterministic motion will appear in the system, but this kind of long duration random motion is extremely sensitive to the initial conditions, and the slightest change in initial values will lead to completely different random behavior. However, this form of deterministic stochastic behavior differs fundamentally from the stochastic behavior of noise, such asBrownian motion. Noise obeys the laws of probability distribution and may be described by statistical methods, whereas chaotic motion, though also stochastic and unpredictable in behavior, is a form of solution of a deterministic equation and is reproducible under the same initial conditions.
机译:近年来,一些作者试图利用混沌的特性来实现安全的通信系统。在他们的论文中,使用蔡氏电路实验证明了通过混沌同步进行的安全通信。混沌是确定性系统中发生的随机行为的一种形式。当某些参数的值合适时,在给定的初始条件下,确定性运动将出现在系统中,但是这种长时间的随机运动对初始条件极为敏感,并且最小的初始值变化将导致完全不同。随机行为。但是,这种形式的确定性随机行为从根本上不同于噪声的随机行为,例如布朗运动。噪声服从概率分布定律,可以通过统计方法进行描述,而混沌运动虽然也是随机的且行为不可预测,但它是确定性方程式的一种形式,并且可以在相同的初始条件下进行再现。

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