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Prikladnaya Diskretnaya Matematika. Supplement, 2014, Issue 7, Pages 40–41 (Mi pdma126)  

Mathematical Methods of Cryptography

Nonlinear permutations of a vector space recursively generated over a Galois ring of characteristic 4

A. V. Abornev

Moscow
References:
Abstract: For any integers $r\geq1$ and $m\geq3$, some class of nonlinear permutation of a vector space $(\operatorname{GF}(2^r))^m$ is constructed. Every permutation in the class is defined as a composition of two operations: (1) a linear recurring transformation with a characteristic polynomial $F(x)$ over a Galois ring $R$ of cardinality $2^{2r}$ and characteristic 4; and (2) taking the first digit in an element of $R$ represented by a pair of elements from $\operatorname{GF}(2^r)$. A necessary and sufficient condition is pointed for $F(x)$ of a certain type in the composition to provide the bijectiveness property of the composition.
Keywords: digit-permutable polynomial, DP-polynomial, Galois ring.
Document Type: Article
UDC: 512.6
Language: Russian
Citation: A. V. Abornev, “Nonlinear permutations of a vector space recursively generated over a Galois ring of characteristic 4”, Prikl. Diskr. Mat. Suppl., 2014, no. 7, 40–41
Citation in format AMSBIB
\Bibitem{Abo14}
\by A.~V.~Abornev
\paper Nonlinear permutations of a~vector space recursively generated over a~Galois ring of characteristic~4
\jour Prikl. Diskr. Mat. Suppl.
\yr 2014
\issue 7
\pages 40--41
\mathnet{http://mi.mathnet.ru/pdma126}
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