Information encryption based on virtual optical imaging system and chen’s chaos

Authors:
Wei Zhu;Geng Yang;Jian Xu;Xiao-ling Yang
Affiliations:
College of Science, Nanjing University of Posts and Telecommunications, Nanjing, Jiangsu, P.R.China,Key Lab of Broadband Wireless Communication & Sensor Network Technology of Ministry of Educa ...;Key Lab of Broadband Wireless Communication & Sensor Network Technology of Ministry of Education, Nanjing University of Posts and Telecommunications, Nanjing, Jiangsu, P.R.China;Key Lab of Broadband Wireless Communication & Sensor Network Technology of Ministry of Education, Nanjing University of Posts and Telecommunications, Nanjing, Jiangsu, P.R.China;Key Lab of Broadband Wireless Communication & Sensor Network Technology of Ministry of Education, Nanjing University of Posts and Telecommunications, Nanjing, Jiangsu, P.R.China
Venue:
WISM'12 Proceedings of the 2012 international conference on Web Information Systems and Mining
Year:
2012

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Abstract

A new scheme of information encryption is presented in this paper, which employs Chen's chaos to construct the random mask of the virtual optical imaging system instead of randomly generated by computer. The generation of random mask, the procedures of encryption and decryption are described in detail. Numerical simulations prove that the constructed random mask is uniformly distributed and the encryption algorithm is effective. The experimental results also demonstrate that the proposed encryption algorithm has advantages of large key space and high key sensitivities.