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Hadamard matrices, d-linearly independent sets and correlation-immune Boolean functions with minimum Hamming weights

机译:Hadamard矩阵,d线性独立集和具有最小汉明权重的相关免疫布尔函数

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摘要

It is known that correlation-immune (CI) Boolean functions used in the framework of side channel attacks need to have low Hamming weights. In this paper, we study minimum Hamming weights of 3-CI Boolean functions, and prove that the Carlet-Chen conjecture is equivalent to the famous Hadamard conjecture. Moreover, we propose a method to construct low-weight n-variable CI functions through d-linearly independent sets, which can provide numerous minimum-weight d-CI functions. Particularly, we obtain some new values of the minimum Hamming weights of d-CI functions in n variables for n <= 13.
机译:已知在边信道攻击框架中使用的相关免疫(CI)布尔函数需要具有较低的汉明权重。在本文中,我们研究了3-CI布尔函数的最小汉明权重,并证明了Carlet-Chen猜想与著名的Hadamard猜想等效。此外,我们提出了一种通过d线性独立集构造低权重n变量CI函数的方法,该方法可以提供许多最小权重d-CI函数。特别是,对于n <= 13,我们在n个变量中获得了d-CI函数的最小汉明权重的一些新值。

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