Applied Mathematics & Information Sciences

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P. R. China


The previous declassification policies focus on qualitative analysis of security properties along different dimensions, lacking quantitative analysis of them. As a step in this direction, we relax restrictiveness of robustness of declassification from the quantitative aspect, and propose a definition of robustness rate of declassification, based on Shannon’s measure method of information lattice. We show our definition is equivalent to robust declassification when the value of robustness rate is equal to 1. Moreover, we make a theoretical and experimental analysis of robust rate about the laundering attack on average salary, respectively. The experimental results are consistent with the theoretical results completely.

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