An Encryption Scheme Based on Synchronization of Two-Layered Complex Dynamical Networks

An Encryption Scheme Based on Synchronization of Two-Layered Complex Dynamical Networks
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一种基于两层复杂动态网络同步的加密方案

DOI:
10.1109/tcsi.2016.2598822
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发表时间:
2016-09
影响因子:
5.1
通讯作者:
Lu Jinhu
Lu Jinhu
中科院分区:
工程技术2区
文献类型:
--
作者:
Liu Hui;Wan Haibo;Tse Chi K;Lu Jinhu

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A novel encryption scheme based on complex chaotic networks is proposed in this paper. Compared with a single chaotic system, a network of chaotic systems possesses complex dynamic characteristics, which can be used in encryption to enhance security. We adopt the drive-response synchronization method to synchronize two identical chaotic networks at the transmitter and receiver. Analysis on encryption security shows that key space is enlarged exponentially with respect to the number of nodes in the drive network, and also shows that the encryption system is highly sensitive to parameter mismatch. The proposed scheme is competent in carrying out encryption tasks of large data. Both theoretical and numerical results demonstrate that the proposed scheme is feasible for implementation in image and data encryption.
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