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Article overview
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Nondeterministic Multi-Domain Noninterference via Policy Reduction | Oliver Woizekowski
; Ron van der Meyden
; | Date: |
2 May 2016 | Abstract: | The literature on information flow security in asynchronous non-deterministic
systems with respect to transitive policies has been concentrated largely on
the case of policies with two security domains, High and Low, because of a
presumption that more general policies can be reduced to this two-domain case.
The details of the reduction are rarely given, however. One exception is a
proposal by Ryan [FOSAD 2000] based on a partitioning of domains into those
above and those not above a given domain in the information flow order. The
paper argues that there are other possible reductions, and considers the
properties and relationships of several candidate reductions to the two-domain
case, when the definition of security in the two-domain case is either
Nondeducibility on Inputs or Generalized Noninterference. While Ryan’s proposal
works well in the case of Generalized Noninterference, it is shown to have an
undesirable property in the case of Nondeducibility on Inputs, and a better
candidate reduction is identified for this case. | Source: | arXiv, 1605.0474 | Services: | Forum | Review | PDF | Favorites |
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