Experimental realization of a highly secure chaos communication under strong channel noise

Details Experimental realization of a highly secure chaos communication under strong channel noise Experimental realization of a highly secure chaos communication under strong channel noise

2004-02-23

arxiv.org/abs/nlin/0402041v1

Nonlinear Sciences

Chaotic Dynamics

15 pages, 5 figures

Scientific paper

10.1016/j.physleta.2004.07.048

A one-way coupled spatiotemporally chaotic map lattice is used to contruct cryptosystem. With the combinatorial applications of both chaotic computations and conventional algebraic operations, our system has optimal cryptographic properties much better than the separative applications of known chaotic and conventional methods. We have realized experiments to pratice duplex voice secure communications in realistic Wired Public Switched Telephone Network by applying our chaotic system and the system of Advanced Encryption Standard (AES), respectively, for cryptography. Our system can work stably against strong channel noise when AES fails to work.

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