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Teias de Federações como Extensões ao Modelo de Autenticação e Autorização SDSI / SPKI

Altair Olivo SantinJoni da Silva FragaEmerson R. de Mello: Frank Siqueira

Classic security systems use a trust model centered in the authentication procedure, which depends on a naming service. Even when using a Public Key Infrastructure as X.509, such systems are not easily scalable and can become single points of failure or performance bottlenecks. Newer systems, with trust paradigm focused on the client and based on authorization chains, as SDSI/SPKI, are much more scalable. However, they offer some difficulty on locating the chain linking the client to a server. This paper defines extensions to the SDSI/SPKI authorization and authentication model, which allow the client to build new chains in order to link it to a server when the corresponding path does not exist.

http://www.lbd.dcc.ufmg.br:8080/colecoes/sbrc/2003/035.pdf

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Biblioteca Digital Brasileira de Computação - Contato: bdbcomp@lbd.dcc.ufmg.br
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