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October 12, 2026
Road Injuries Leading Cause of Death Among Men Aged 10 to 39
Worldwide, road injuries are the leading cause of death among males aged 10–39. An international team of researchers reached this conclusion as part of the Global Burden of Disease Study 2023, analysing data from 204 countries between 1990 and 2023. Their findings have been published in The Lancet Public Health, with HSE University Professor Vasily Vlassov listed among the collaborators.
October 8, 2026
HSE Experts Take Part in 23rd Annual Meeting of Valdai Discussion Club
The 23rd Annual Meeting of the Valdai Discussion Club was held from September 28 to October 1, 2026 under the theme ‘Responsibility for the Future: Limits of the Possible, or Limitless Possibilities?’ The forum brought together 120 experts from 40 countries, including representatives of China, the United States, India, Brazil, the United Kingdom, Germany, Egypt, Iran, and Japan.
October 7, 2026
‘Our Team Consists of True Leaders in Their Respective Academic Disciplines
The HSE International Centre of Decision Choice and Analysis studies a wide range of methods for analysing decision-making and possible scenarios for the development of natural, socio-economic, and political phenomena using various mathematical models. The application of advanced mathematical methods to forecasting helps to prevent negative outcomes and avoid erroneous decisions. The HSE News Service spoke to the centre’s director, Prof. Fuad Aleskerov, about its work.

 

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Построение разностного соотношения для алгоритма КБ-256

Прикладная дискретная математика. Приложение. 2023. Т. 16. С. 56–57.
Chukhno A., Курочкин А. В., Бобровский Д. А.
Language: Russian
Full text
DOI
Keywords: блочный шифрразностный метод анализа
Similar publications
The difference relations and impossible differentials construction for the KB-256 algorithm
Chukhno A., Курочкин А. В., Фомичев В. М., Прикладная дискретная математика. Приложение 2022 Т. 15 С. 73–77
In this paper, new results of the analysis of the KB 256-3 block cipher algorithm are outlined. We set up a difference relation with probability 1 for the six-round algorithm under study and propose a key recovery method using this difference relation for the nine-round KB 256-3 algorithm. We construct an impossible differential for the ...
Added: May 6, 2024
Differences with high probability and impossible differentials for the KB-256 cipher
Chukhno A., Дмух А. А., Astrakhantsev R. et al., Journal of Computer Virology and Hacking Techniques 2024
In this paper differences with probability 1 were found for 6 and 7 rounds of KB-256 block cipher. Also using Biham’s et al. shrinking technique we find more than 1700 impossible differentials for the KB-256 cipher with number of rounds from 8 up to 18 (2 rounds more than in the original KB-256) ...
Added: May 6, 2024
Расстояние единственности как определяющее свойство блочного шифра
Chukhno A., Расторгуева М. С., В кн.: Алгебра, теория чисел, дискретная математика и многомасштабное моделирование: современные проблемы, приложения и проблемы истории. Материалы XXII Международной конференции, посвящённой 120-летию со дня рождения академика Андрея Николаевича Колмогорова и 60-летию со дня открытия школы-интерната № 18 при Московском университете.: [б.и.], 2023. С. 164–166.
Зачастую, при оценке  надежности  алгоритмов блочного шифрования, возникают задачи, связанные с исследованием свойств и характеристик множеств подстановок.  Подстановки зачастую являются самостоятельными элементами итерационных преобразований соответствующих механизмов защиты. В этой связи изучение свойств подстановок, максимально усложняющих проведение процедуры дешифрования, приобретают особую практическую и теоретическую значимость.  С другой стороны, сам алгоритм блочного шифрования можно рассматривать как случайную ...
Added: May 6, 2024
СТАТИСТИЧЕСКОЕ ТЕСТИРОВАНИЕ СОВРЕМЕННЫХ ИТЕРАТИВНЫХ БЛОЧНЫХ ШИФРОВ С ПОМОЩЬЮ ПРОГРАММНОЙ БИБИЛОТЕКИ "УНИБЛОКС-2015"
Perov A., Инновации в жизнь 2016 № 2(17) С. 89–97
The statistical analysis of iterative block ciphers is carried out for detection of dependences of statistical properties of output sequence depending on number of rounds. It is reasonable to utilize source codes available in the Internet, but their integration into own programs is impeded by at least the following reasons. Firstly, different implementations have different ...
Added: November 1, 2021
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Perov A., Вестник НГУЭУ 2016 № 3 С. 290–298
A survey of some important scientic directions in the sphere of symmetric cryptography is presented. We emphasize problems connected with weak keys, with statistical analysis of symmetric algorithms and with investigation of iterative constructions. Some problems, specic to stream ciphers, iterative block ciphers and cryptographic hash-functions, are considered. We also advocate practical significance of scientic ...
Added: November 1, 2021
О возможности применения сверточных нейронных сетей к построению универсальных атак на итеративные блочные шифры
Perov A., Пестунов А. И., Прикладная дискретная математика 2020 № 3 С. 46–56
The paper explores possibility of applying convolutional neural networks to the security analysis of iterative block ciphers. A new approach for constructing distinguishing attacks based on a convolutional neural network is proposed. The approach is based on distinguishing between graphic equivalents of ciphertexts received by the CTR (counter) encryption mode after different number of rounds, including the number of ...
Added: November 1, 2021
Об одном представлении нелинейного преобразования алгоритма «Кузнечик» с помощью логических функций
Авраамова О. Д., Fomin D., Серов В. А. et al., Математические вопросы криптографии 2021 Vol. 12 No. 2 P. 21–38
In this paper we consider a bit-sliced implementation of the non-linear transformation shared by GOST R 34.12-2015 “Kuznyechik” block cipher and GOST R 34.11-2012 “Streebog” hash function. We combine analytical and computer methods to get a 226 Boolean operations representation. ...
Added: July 26, 2021
Implementation of an XSL block cipher with MDS-matrix linear transformation on NVIDIA CUDA
Fomin D., Математические вопросы криптографии 2015 Vol. 6 No. 2 P. 99–108
In this article we consider NVIDIA GPU implementation aspects of an XSL block cipher over the finite field with MDS-matrix linear transformation. We compare obtained results with some other block ciphers. ...
Added: May 4, 2019
О сдвиговых свойствах алгоритма «2-ГОСТ»
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In this paper we study rotational probabilities for 2-GOST block cipher, which is a modification of GOST 28147-89. We show that despite the fact that this algorithm does not belong to the family of ARX-transformations in some cases it is possible to evaluate its rotational properties and evaluate the applicability of rotational analysis. ...
Added: January 27, 2018
Дискретная математика. Модулярная алгебра, криптография, кодирование.
Avdoshin S. M., Набебин А. А., М.: ДМК Пресс, 2017.
The textbook contains necessary information about universal and classical algebras, systems of axioms for the basic algebraic structures (groupoid, monoid, semi-groups, groups, partial orders, rings, fields). The basic cryptographic algorithms are described. Error-correcting codes - linear, cyclic, BCH are considered. Algorithms for designing of such codes are given. Many examples are shown. It is put ...
Added: August 19, 2016
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