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Cryptography with chaos

dc.contributor.advisorOliveira, Luiz Paulo Luna de
dc.contributor.authorFormolo, Danielpt_BR
dc.date.accessioned2015-03-05T14:01:20Z
dc.date.accessioned2022-09-22T19:05:30Z
dc.date.available2015-03-05T14:01:20Z
dc.date.available2022-09-22T19:05:30Z
dc.date.issued2009-03-25
dc.identifier.urihttps://hdl.handle.net/20.500.12032/56812
dc.description.abstractThe technological advance and value of information in the preset days lead to a constant search for more efficient, secure and adaptable ciphers. While de security is based on the complicated behavior of the algorithms, its efficiency is based on the simplicity of the mathematical operations involved. The chaotic systems are characterized by the property of showing complex behavior even being defined by simple algebraic mathematical expressions. Therefore, the proposal of ciphers based on chaotic dynamics has became an active research field. This work deals with the efficiency and security of one of the most complete chaotic cipher proposed so far. Based on this study, improvements are proposed for both efficiency and security. The final result is an optimized version, which is denominated chaotic cipher (CC) towards this work. This cipher does not suffer from the weaknesses of the chaotic ciphers proposed so far. Moreover, experimental comparisons shows that the CC performance is comparable with those of sen
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superiorpt_BR
dc.languagept_BRpt_BR
dc.publisherUniversidade do Vale do Rio do Sinospt_BR
dc.rightsopenAccesspt_BR
dc.subjectalgoritmopt_BR
dc.subjectalgorithmen
dc.titleCriptografia com caospt_BR
dc.titleCryptography with chaosen
dc.typeDissertaçãopt_BR


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