A new chaotic cryptosystem

Jun Wei, Xiaofeng Liao, Kwok-wo Wong and Tao Xiang

Chaos, Solitons & Fractals, 2006, vol. 30, issue 5, 1143-1152

Abstract: Based on the study of some previously proposed chaotic encryption algorithms, we found that it is dangerous to mix chaotic state or iteration number of the chaotic system with ciphertext. In this paper, a new chaotic cryptosystem is proposed. Instead of simply mixing the chaotic signal of the proposed chaotic cryptosystem with the ciphertext, a noise-like variable is utilized to govern the encryption and decryption processes. This adds statistical sense to the new cryptosystem. Numerical simulations show that the new cryptosystem is practical whenever efficiency, ciphertext length or security is concerned.

Date: 2006
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:30:y:2006:i:5:p:1143-1152

DOI: 10.1016/j.chaos.2005.09.005

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