Determination of the parameters for a Lorenz system and application to break the security of two-channel chaotic cryptosystems

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Título:	Determination of the parameters for a Lorenz system and application to break the security of two-channel chaotic cryptosystems
Autor:	Orúe, Amalia B. CSIC ORCID; Fernández Mármol, Verónica CSIC ORCID ; Álvarez Marañón, Gonzalo CSIC ORCID; Pastor, Gerardo CSIC; Romera, Miguel CSIC; Shujun, Li; Montoya Vitini, Fausto CSIC ORCID
Palabras clave:	Secure communication Cryptanalysis Synchronization Lorenz chaotic system [PACS] Low-dimensional chaos [PACS] Nonlinearity, bifurcation, and symmetry breaking
Fecha de publicación:	2-jul-2008
Editor:	Elsevier
Citación:	Physics Letters A 372(34): 5588-5592 (2008)
Resumen:	This Letter describes how to determine the parameter of the chaotic Lorenz system used in a two-channel cryptosystem. First the geometrical properties of the Lorenz system are used to reduce the parameter search space. Second the parameters are exactly determined—directly from the ciphertext—through the minimization of the average jamming noise power created by the encryption process.
Descripción:	5 pages, 5 figures, 1 table.-- PACS nrs.: 05.45.Ac; 47.20.Ky.-- Printed version published Aug 18, 2008.
Versión del editor:	http://dx.doi.org/10.1016/j.physleta.2008.06.066
URI:	http://hdl.handle.net/10261/14522
DOI:	10.1016/j.physleta.2008.06.066
ISSN:	0375-9601
Aparece en las colecciones:	(IFA) Artículos

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