Publication:
Extended criterion for absence of fixed points

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Date

2013

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ХНУРЭ

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Abstract

One of the criteria for selecting substitutions used in block ciphers is the absence of fixed points. This paper shows that this criterion must be extended taking into consideration mixing key function. It is shown that modulo addition has more advantages than XOR operation. It is shown in practice that encryption procedure of AES has a natural isomorphic form when fixed points are reached.

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Keywords

fixed points, АЕS, criterion, s-box

Citation

Kazymyrov O. Extended criterion for absence of fixed points / O. Kazymyrov // Прикладная радиоэлектроника : науч.-техн. журн. – Х. : ХНУРЭ, 2013. – Т. 12, № 2 – С. 209–214.

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