Analysis on Security of a Secure Speech Communication System Based on Digital Chaos

ZHAO Geng; ZHENG Deling; ZHAO Linhui

doi:10.13374/j.issn1001-053x.2001.03.052

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ZHAO Geng, ZHENG Deling, ZHAO Linhui. Analysis on Security of a Secure Speech Communication System Based on Digital Chaos[J]. Chinese Journal of Engineering, 2001, 23(3): 287-292. doi: 10.13374/j.issn1001-053x.2001.03.052

Citation:

ZHAO Geng, ZHENG Deling, ZHAO Linhui. Analysis on Security of a Secure Speech Communication System Based on Digital Chaos[J]. Chinese Journal of Engineering, 2001, 23(3): 287-292. doi: 10.13374/j.issn1001-053x.2001.03.052

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Analysis on Security of a Secure Speech Communication System Based on Digital Chaos

doi: 10.13374/j.issn1001-053x.2001.03.052

Information Engineering School, UST Beijing, Beijing 100083, China

Received Date: 2000-10-10

Abstract

Abstract

Analysis on security of a secure speech communication system based on digital chaos is given, which is attacked through regression maps and phase space reconstructing and so on. Experimental and simulative results turn out the security of communication systems based on digital chaos is better than that based on continuous flow chaos. In the end, time-sharing maps and contemporary multi-maps mised and piecewise nonlinear maps are presented to enhancing security.
- digital chaos,
- secure communication,
- security,
- regression maps,
- phase space reconstructing