A generalized chaotic encryption system for multimedia applications
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| Format: | Artículo científico |
| Sprache: | en |
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Sociedad Mexicana de Física A.C.
2007
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| _version_ | 1876468242447335424 |
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| author | R. Hasimoto-Beltrán |
| author_facet | R. Hasimoto-Beltrán |
| contents | A generalized chaotic encryption system for multimedia applications R. Hasimoto-Beltrán Física, Astronomía y Matemáticas coupled maps block ciphers symmetric encryption Discrete chaotic encryption Recently, several encryption schemes based on 1, 2, and 4 one-dimensional chaotic maps have been presented in the literature (see Ref. 1).The idea of increasing the number of maps is to provide more security and robustness to chaos-based cryptographic systems. In this paper,we propose a generalized encryption scheme based on N one-dimensional coupled chaotic maps, where only a window of m maps at a time(m · N) is active for the encryption process. The m-map window is randomly updated by shifting it circle-wise one map at a time throughthe entire N-map system. To add more security to the system, we randomly perturb the coupling parameter using current cyphertext output(spatiotemporal or global feedback); so that any change in the input data (plaintext) is reflected instantly in the total system (not only locally).Our generalized implementation is based on the scheme presented in Ref. 1, but it can also be implemented in any chaos based encryptionscheme. Our approach adds more robustness to the system, maintaining excellent statistical properties and fast performance for real-timemultimedia applications. 2007 artículo científico 0035-001X https://www.redalyc.org/articulo.oa?id=57053502 en http://www.redalyc.org/revista.oa?id=570 Revista Mexicana de Física application/pdf Sociedad Mexicana de Física A.C. Revista Mexicana de Física (México) Num.5 Vol.53 |
| format | Artículo científico |
| id | redalyc_57053502 |
| institution | Redalyc |
| language | en |
| publishDate | 2007 |
| publisher | Sociedad Mexicana de Física A.C. |
| spellingShingle | A generalized chaotic encryption system for multimedia applications R. Hasimoto-Beltrán Física, Astronomía y Matemáticas coupled maps block ciphers symmetric encryption Discrete chaotic encryption A generalized chaotic encryption system for multimedia applications R. Hasimoto-Beltrán Física, Astronomía y Matemáticas coupled maps block ciphers symmetric encryption Discrete chaotic encryption Recently, several encryption schemes based on 1, 2, and 4 one-dimensional chaotic maps have been presented in the literature (see Ref. 1).The idea of increasing the number of maps is to provide more security and robustness to chaos-based cryptographic systems. In this paper,we propose a generalized encryption scheme based on N one-dimensional coupled chaotic maps, where only a window of m maps at a time(m · N) is active for the encryption process. The m-map window is randomly updated by shifting it circle-wise one map at a time throughthe entire N-map system. To add more security to the system, we randomly perturb the coupling parameter using current cyphertext output(spatiotemporal or global feedback); so that any change in the input data (plaintext) is reflected instantly in the total system (not only locally).Our generalized implementation is based on the scheme presented in Ref. 1, but it can also be implemented in any chaos based encryptionscheme. Our approach adds more robustness to the system, maintaining excellent statistical properties and fast performance for real-timemultimedia applications. 2007 artículo científico 0035-001X https://www.redalyc.org/articulo.oa?id=57053502 en http://www.redalyc.org/revista.oa?id=570 Revista Mexicana de Física application/pdf Sociedad Mexicana de Física A.C. Revista Mexicana de Física (México) Num.5 Vol.53 |
| title | A generalized chaotic encryption system for multimedia applications |
| topic | Física, Astronomía y Matemáticas coupled maps block ciphers symmetric encryption Discrete chaotic encryption |
| url | https://www.redalyc.org/articulo.oa?id=57053502 |