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

被引：84
作者：
Liu, Hui [1 ,2 ]
Wan, Haibo [1 ,2 ]
Tse, Chi K. [3 ]
Lu, Jinhu [4 ]
机构：
[1] Huazhong Univ Sci & Technol, Sch Automat, Wuhan 430074, Peoples R China
[2] Huazhong Univ Sci & Technol, Key Lab Image Proc & Intelligent Control, Educ Minist China, Wuhan 430074, Peoples R China
[3] Hong Kong Polytech Univ, Dept Elect & Informat Engn, Kowloon, Hong Kong, Peoples R China
[4] Chinese Acad Sci, Acad Math & Syst Sci, Beijing 100190, Peoples R China
来源：
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS | 2016年 / 63卷 / 11期
基金：
中国国家自然科学基金;
关键词：
Chaotic systems; complex dynamical networks; encryption scheme; node-to-node synchronization; two-layered networks; TO-NODE CONSENSUS; MULTIAGENT SYSTEMS; CIRCUITS; CHAOS;
D O I：
10.1109/TCSI.2016.2598822
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
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.
引用
收藏
页码：2010 / 2021
页数：12
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