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Implementação de políticas UCON em um núcleo de sistema operacional

Rafael Coninck TeigãoCarlos MazieroAltair Santin

Usage control goes beyond traditional access control, addressing its aspects related to attribute mutability and continuous validation of usage restrictions. The UCONABC model establishes an underlying formal framework to deal with the new needs of security and usage control systems. As that model was only described by a formal specification, this paper implements it as an LALR(1) grammar. The grammar is then used to represent common access and usage control scenarios, showing its expressiveness and usefulness. Ultimately, the grammar is implemented in a file usage control mechanism in the kernel of an open operating system.

http://www.lbd.dcc.ufmg.br/colecoes/sbseg/2007/0016.pdf

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