A DESIGN OF PSEUDO-RANDOM BIT GENERATOR BASED ON SINGLE CHAOTIC SYSTEM

Xing-Yuan Wang () and Yi-Xin Xie ()
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Xing-Yuan Wang: Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, Dalian 116024, China
Yi-Xin Xie: Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, Dalian 116024, China

International Journal of Modern Physics C (IJMPC), 2012, vol. 23, issue 03, 1-11

Abstract: Pseudo-random bit sequence have a wide range of applications in the field of cryptography and communications. For the good chaotic dynamical properties of chaotic systems sequence such as randomness and initial sensitivity, chaotic systems have a strong advantage in generating the pseudo-random bit sequence. However, in practical use, the dynamical properties of chaotic systems will be degraded because of the limited calculation accuracy and it even could cause a variety of security issues. To improve the security, in full analyses of the pseudo-random bit generator proposed in our former paper, we point out some problems in our former design and redesign a better pseudo-random bit generator base on it. At the same time, we make some relevant theoretical and experimental analyses on it. The experiments show that the design proposed in this paper has good statistical properties and security features.

Keywords: Pseudo-random bit sequence; chaos; cryptography; randomness; security; 05.45.-a; 05.45.Gg; 05.45.Vx (search for similar items in EconPapers)
Date: 2012
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DOI: 10.1142/S0129183112500246

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