[1]ZOU A-jin,ZHANG Yu-nong,XIAO Xiu-chun.An asynchronous encryption algorithm based on Hermite chaotic neural networks[J].CAAI Transactions on Intelligent Systems,2009,4(5):458-462.[doi:10.3969/j.issn.1673-4785.2009.05.012]
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An asynchronous encryption algorithm based on Hermite chaotic neural networks

CAAI Transactions on Intelligent Systems[ISSN 1673-4785/CN 23-1538/TP] Volume: 4 Number of periods: 2009 5 Page number: 458-462 Column: 学术论文—机器学习 Public date: 2009-10-25
Title:
An asynchronous encryption algorithm based on Hermite chaotic neural networks
Author(s):
ZOU A-jin1; 2;  ZHANG Yu-nong1;  XIAO Xiu-chun1; 2
1.Information College, Guangdong Ocean University, Zhanjiang 524088, China； 2.School of Information Science and Technology, Sun Yatsen University, Guangzhou 510275, China
Keywords:
Hermite neural networks;  orthogonal polynomial;  chaos;  asynchronous encryption
CLC:
TP183；TN918
DOI:
10.3969/j.issn.1673-4785.2009.05.012
Abstract:
This paper introduces a new Hermite neural network model, in which orthogonal Hermite polynomials were employed as the activation functions of hidden layers of feed-forward neural networks by using best square approximation theory. By varying the chaotic initial value and regarding it as the input of the networks, new chaotic series were generated, which were close to the theoretical values. From the new chaotic series, a sub-sequence with the same length as the plaintext was extracted and sorted. Then, by replacing the sorted results with the plain-text, cipher-text was produced. In the encryption system, the information needed in encryption and decryption was hidden in the chaotic series and has no obvious relationship with the initial chaotic value. Security depends completely on the complexity and unpredictability of the chaotic sequences. By varying the initial chaotic value, we can implement asynchronous one-time pad cipher encryption. Theoretical analysis and encryption tests proved that our algorithm is useful, simple and highly secure, with many advantages that a synchronous system can never achieve.
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