吉林大学学报(工学版) ›› 2014, Vol. 44 ›› Issue (01): 270-275.doi: 10.13229/j.cnki.jdxbgxb201401044

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Image encryption scheme based on substitution of fiber chaotic system

PU Xin1,2, TIAN Xiao-jian1, WANG Chun-min2, ZHANG Jing2, DONG Lei2, YIN Jing2   

  1. 1. College of Electronic Science and Engineering, Jilin University, Changchun 130012, China;
    2. Electronic Engineering Department, College of Optical and Electronical Information Changchun University of Science and Technology, Changchun 130012, China
  • Received:2012-12-25 Online:2014-01-01 Published:2014-01-01

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Abstract:

In view of high experimental cost of laser system, this paper is intended to make substitution experiment of artificial circuit for erbium-doped fiber ring laser. After post-processing, a random number sequence is realized and the randomness is verified by the NIST special publication tests. This physical true random sequence can be applied to digital image encryption. Experiment results show that the proposed scheme has a large key space together with excellent statistical properties. It has good feasibility and safety which can resist all kinds of attacks.

Key words: electronics, optical fiber system, physical chaos, artificial circuit

CLC Number: 

  • TN25

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