Abstract: In the paper the results of the research information characteristics of conversion substitution and permutation, which is the basis for building cryptographic algorithms. The obtained value of the mutual information of the input and output messages of discrete communication channel in the application of these reforms.
Keywords: channel, mutual information, conversion substitution and permutation
For citation:
Los A. B. The study of information characteristics transformations substitution and permutation. Doklady Tomskogo gosudarstvennogo universiteta sistem upravleniya i radioelektroniki, 2014, no. 2(32), pp. 98–104.
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