Электронная библиотека (репозиторий) Томского государственного университета
Tokareva, N. N. | булевы функции

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Add   On the number of ℓ-suitable Boolean functions in constructions of filter and combining models of stream ciphers
Authors: Bonich, T. A. | Panferov, M. A. | Tokareva, N. N.
Source: Прикладная дискретная математика. 2023. № 62. С. 21-28
Type: статьи в журналах
Date: 2023
Description: It is well known that every stream cipher is based on a good pseudorandom generator. For cryptographic purposes, we are interested in generating pseudorandom sequences with the maximum possible period ... More
Add   Cryptographic properties of a simple S-box construction based on a Boolean function and a permutation
Authors: Zyubina, D. A. | Tokareva, N. N.
Source: Прикладная дискретная математика. Приложение. 2020. № 13. С. 41-43
Type: статьи в журналах
Date: 2020
Description: We propose a simple method of constructing S-boxes using Boolean functions and permutations. Let n be an arbitrary permutation on n elements, f be a Boolean function in n variables. Define a vectorial ... More
Add   On one-to-one property of a vectorial Boolean function of the special type
Authors: Zapolskiy, M. M. | Tokareva, N. N.
Source: Прикладная дискретная математика. Приложение. 2020. № 13. С. 40-41
Type: статьи в журналах
Date: 2020
Description: S-boxes are widely used in cryptography. In particular, they form important components of SP and Feistel networks. Mathematically, S-box is a vectorial Boolean function F : Fn Fm that should satisfy s ... More
Add   On the number of unsuitable boolean functions in constructions of filter and combining models of stream ciphers
Authors: Bonich, T. A. | Panferov, M. A. | Tokareva, N. N.
Source: Прикладная дискретная математика. Приложение. 2020. № 13. С. 78-80
Type: статьи в журналах
Date: 2020
Description: It is well known that every stream cipher is based on a good pseudorandom generator. For cryptographic purposes, we are interested in generation of pseudorandom sequences of the maximal possible perio ... More
Add   Mathematical methods in solutions of the problems presented at the Third International Students' Olympiad in Cryptography
Authors: Tokareva, N. N. | Agievich, S. V. | Idrisova, V. | Kolomeec, N. | Kutsenko, A. | Oblaukhov, A. | Shushuev, G. | Gorodilova, A.
Source: Прикладная дискретная математика. 2018. № 40. С. 34-58
Type: статьи в журналах
Date: 2018
Description: The mathematical problems, presented at the Third International Students’ Olympiad in Cryptography NSUCRYPTO’2016, and their solutions are considered. They are related to the construction of algebraic ... More
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