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Secret sharing schemes from three classes of linear codes

机译:三类线性代码的秘密共享方案

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摘要

Secret sharing has been a subject of study for over 20 years, and has had a number of real-world applications. There are several approaches to the construction of secret sharing schemes. One of them is based on coding theory. In principle, every linear code can be used to construct secret sharing schemes. But determining the access structure is very hard as this requires the complete characterization of the minimal codewords of the underlying linear code, which is a difficult problem in general. In this paper, a sufficient condition for all nonzero codewords of a linear code to be minimal is derived from exponential sums. Some linear codes whose covering structure can be determined are constructed, and then used to construct secret sharing schemes with nice access structures.
机译:秘密共享已成为20多年来研究的主题,并已在许多实际应用中使用。有几种方法来构造秘密共享方案。其中之一是基于编码理论的。原则上,每个线性代码都可以用来构造秘密共享方案。但是,确定访问结构非常困难,因为这需要对底层线性代码的最小代码字进行完整表征,这通常是一个难题。在本文中,从指数和中得出了线性代码的所有非零代码字最小的充分条件。构造一些可以确定其覆盖结构的线性代码,然后将其用于构建具有良好访问结构的秘密共享方案。

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