Chaotic modelling of the generalized self-shrinking generator

Authors:
A. Fúster-Sabater;P. Caballero-Gil
Affiliations:
Institute of Applied Physics (C.S.I.C.), Serrano 144, 28006 Madrid, Spain;Department of Statistics, Operations Research and Computing, Faculty of Mathematics, University of La Laguna, 38271 Tenerife, Spain
Venue:
Applied Soft Computing
Year:
2011

Citing 6
Cited 0

A new kind of science

A new kind of science
Using Linear Hybrid Cellular Automata to Attack the Shrinking Generator*Research supported by the Spanish Ministry of Education and Science and the European FEDER Fund under Projects SEG2004-04352-C04-03 and SEG2004-02418.

IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
Short communication: Evolving cellular automata to generate nonlinear sequences with desirable properties

Applied Soft Computing
Chaos-Based Cryptography: End of the Road?

SECUREWARE '07 Proceedings of the The International Conference on Emerging Security Information, Systems, and Technologies
Generalized self-shrinking generator

IEEE Transactions on Information Theory
Synthesis of one-dimensional linear hybrid cellular automata

IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems

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Abstract

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.