Browsing by Author "Oliynykov, Roman"

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    Construction of MDS-matrix for linear transformation of symmetric block ciphers
    (Видавництво Львівської політехніки, 2010) Ruzhentsev, Victor; Oliynykov, Roman; Stupak, Valeriy
    The analysis of existing requirements for MDS matrices that are used in block ciphers is performed, the most important requirements are selected, and matrix corresponding to the selected requirements is constructed.
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    Differential properties of random substitutions
    (Видавництво Львівської політехніки, 2010) Oliynykov, Roman; Oleshko, Oleg; Lisitskiy, Konstantin
    Estimated ratio for determining the maximum of the full differentials of modern symmetric block ciphers is derived.