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Criptografia Virtual

Criptografia Virtual

          
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About the Book

A concepção de protocolos de rede seguros e rentáveis para redes de sensores sem fios (RSSFs) é um problema desafiante porque os sensores são dispositivos sem fios com recursos limitados. Uma vez que o custo de comunicação é o factor mais dominante no consumo de energia de um sensor, introduzimos um esquema de Encriptação e Chaveamento com Base em Energia Virtual eficiente para as RSSFs, que reduz significativamente o número de transmissões necessárias para evitar chaves obsoletas. Para além do objectivo de poupar energia, a transmissão mínima é imperativa para algumas aplicações militares das RSSF onde um adversário poderia estar a monitorizar o espectro sem fios. VEBEK é uma estrutura de comunicação segura onde os dados detectados são codificados utilizando um esquema baseado num código de permutação gerado através do mecanismo de encriptação RC4. A chave do mecanismo de encriptação RC4 muda dinamicamente em função da energia virtual residual do sensor. Assim, é utilizada uma chave dinâmica única para um único pacote e são utilizadas chaves diferentes para os sucessivos pacotes do fluxo.


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Product Details
  • ISBN-13: 9786205133279
  • Publisher: KS Omniscriptum Publishing
  • Publisher Imprint: Edicoes Nosso Conhecimento
  • Height: 229 mm
  • No of Pages: 68
  • Spine Width: 4 mm
  • Width: 152 mm
  • ISBN-10: 620513327X
  • Publisher Date: 01 Sep 2022
  • Binding: Paperback
  • Language: Portuguese
  • Returnable: N
  • Weight: 113 gr


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