A METHOD OF CONSTRUCTING A BLOCK CIPHERS ROUND FUNCTION’S POLYNOMIAL OVER A FINITE FIELD

A METHOD OF CONSTRUCTING A BLOCK CIPHERS ROUND FUNCTION’S POLYNOMIAL OVER A FINITE FIELD

The work outlines the method of construction of round function as a polynomial of one variable over the finite field. The proposed method is based on the calculation of the initial cryptographic transformation at special points of the finite field and the subsequent inversion of Vandermonde matrix....

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Bibliographic Details
Main Author: Sergey A. Belov
Format: Article
Language:Russian
Published: The Fund for Promotion of Internet media, IT education, human development «League Internet Media» 2018-09-01
Series:Современные информационные технологии и IT-образование
Subjects:
Block cipher
PRESENT cipher
interpolation cryptoanalysis
Vandermonde matrix
finite field polynomial
Online Access:http://sitito.cs.msu.ru/index.php/SITITO/article/view/423

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