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Criptografia de ADN
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ISBN10: 6630146093
ISBN13: 9786630146097
Publisher: Edicoes Nosso Conhecimento
Published: Jun 10 2026
Pages: 88
Weight: 0.28
Height: 0.21 Width: 6.00 Depth: 9.00
Language: Portuguese
ISBN13: 9786630146097
Publisher: Edicoes Nosso Conhecimento
Published: Jun 10 2026
Pages: 88
Weight: 0.28
Height: 0.21 Width: 6.00 Depth: 9.00
Language: Portuguese
Quando falamos de segurança e redes, nunca nos lembramos do contributo dos métodos e técnicas de encriptação e desencriptação. Nos últimos anos, a tecnologia de computação de ADN tem vindo a crescer rapidamente e pode dar o seu contributo através de vários métodos de computação suave e algoritmos de segurança.Há muitos esforços e propostas na procura de um algoritmo eficaz, eficiente e robusto para a cifragem de imagens. Neste projeto, trabalhamos a técnica de cifragem de imagens utilizando a técnica de adição de sequências de ADN. A técnica proposta Primeiro, a imagem é convertida em matriz binária depois de a matriz ser dividida em alguns blocos iguais. Em segundo lugar, cada bloco é codificado em sequências de ADN e utiliza-se a operação de adição de sequências de ADN para adicionar estes blocos. Em terceiro lugar, efectua-se a operação de complemento da sequência de ADN para o resultado de uma matriz adicionada, utilizando dois mapas logÃsticos. Por fim, descodificando a matriz de sequências de ADN do terceiro passo, obtém-se a imagem encriptada. Os resultados experimentais da simulação e a análise de segurança mostram que o nosso algoritmo não só consegue obter um melhor efeito de encriptação, como também resiste a ataques exaustivos, ataques estatÃsticos e ataques diferenciais.
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