期刊
APPLIED SOFT COMPUTING
卷 11, 期 2, 页码 1876-1880出版社
ELSEVIER
DOI: 10.1016/j.asoc.2010.06.002
关键词
Cellular automata; Cryptography; Chaotic system
资金
- Ministry of Science and Innovation and European FEDER [TIN2008-02236/TSI]
- CDTI (Spain)
- INDRA
- Union Fenosa
- Tecnobit
- Visual Tools
- Brainstorm
- SAC
- Technosafe
In this paper, a method of obtaining cryptographic sequences based on discrete time chaotic dynamical systems is presented. The importance of the proposal is due to that such cryptographic sequences are also output sequences of a nonlinear keystream generator known as generalized self-shrinking generator, which is still considered secure for symmetric cryptography. It is remarkable that the linearity of the proposed chaotic model based on additive one-dimensional cellular automata might be used to launch a cryptanalysis against such nonlinear generators. (C) 2010 Elsevier B.V. All rights reserved.
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