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Многостороннее защищенное вычисление полиномов от нескольких переменных

Authors: Kosolapov, Yu.V.;

Многостороннее защищенное вычисление полиномов от нескольких переменных

Abstract

Юрий Владимирович Косолапов, кандидат технических наук, кафедра алгебры и дискретной математики, Южный федеральный университет (г. Ростов-на-Дону, Российская Федерация), itaim@mail.ru. Yu.V. Kosolapov, Southern Federal University, Rostov-on-Don, Russian Federation, itaim@mail.ru Целью децентрализации вычислений, выполняемых участниками протоколов информационного взаимодействия, обычно является повышение надежности и защищенности информационных систем. Основу децентрализованных вычислений составляют протоколы многосторонних защищенных вычислений (ПМЗВ), которые обычно не являются универсальными, а строятся для конкретных вычисляемых функций. В настоящей работе строится ПМЗВ для вычисления значений полиномов от нескольких переменных над конечным полем. Построенные протоколы основаны на линейных схемах разделения секрета, а их характеристики, такие как мощность правомочных и неправомочных коалиций, могут быть описаны в терминах характеристик линейных кодов и их степенейШура – Адамара. В работе приводятся некоторые коды и кодовые конструкции, для которых удается такие характеристики найти аналитически. The goal of decentralizing the calculations performed by participants in information interaction protocols is usually to improve the reliability and security of information systems. Decentralized computing is based on multi-party secure computing protocols (MSCP), which are usually not universal, but are built for pre-specific functions calculated by participants. In this work, an MSCP is constructed to calculate polynomial values from several variables over a finite field. The constructed protocol is based on linear secret separation schemes, and its characteristics, such as the power of valid and unauthorized coalitions, can be described in terms of the characteristics of linear codes and their Schur- Hadamard degrees. Some codes and code constructs for which such characteristics can be determined analytically are described.

Keywords

УДК 519.1, многосторонние защищенные вычисления, линейные коды, secure computation, linear codes

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green