A Self-synchronizing Stream Encryption Scheme Based on One-Dimensional Coupled Map Lattices

We present a self-synchronizing stream encryption scheme based on one-dimensional coupled map lattices which is introduced as a model with the essential features of spatiotemporal chaos, and of great complexity and diffusion capability of the little disturbance in the initial condition. To evaluate...

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Bibliographic Details
Published in:Communications in theoretical physics 2007-04, Vol.47 (4), p.679-684
Main Authors: Hui, Ma, Kai-En, Zhu, Tian-Lun, Chen
Format: Article
Language:English
Subjects:
一维耦合映像格子
加密方案
序列密码
自同步
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Summary:We present a self-synchronizing stream encryption scheme based on one-dimensional coupled map lattices which is introduced as a model with the essential features of spatiotemporal chaos, and of great complexity and diffusion capability of the little disturbance in the initial condition. To evaluate the scheme, a series of statistical tests are employed, and the results show good random-look nature of the ciphertext. Furthermore, we apply our algorithm to encrypt a grey-scale image to show the key sensitivity.
ISSN:0253-6102
DOI:10.1088/0253-6102/47/4/024