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Chaotic Secure Communication by Tsinghua University Tsinghua University Press, Kehui Sun

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6Data Encryption Based on Chaotic Sequence

Chaotic signal has great potential in cryptography with special features like unpredictability, high complexity, easy implementation, and so on. Compared to other encryption methods, chaotic encryption is a kind of dynamic encryption. The processing speed is not related with the key length, so it has high efficiency. It can be applied in real-time signal processing or static encryption.

Chaos theory began to attract the attention of cryptographic community in the late 1980s. The idea of chaotic encryption was proposed by British mathematician Matthews [49]. On one hand, due to the loss of information in the iteration, the amount of information is gradually lost to zero, so it is impossible to predict ...

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