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A Fast Implementation of Computing the Transparency Order of S-Boxes

机译:快速计算S盒透明度的实现

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Prouff has introduced, at FSE2005, the notion of transparency order of S-Box. This characteristic is related to the ability of an S-Box to thwart DPA attacks. In this study, we present a fast implementation method of computing the transparency order of S-Box. Our method introduces an elaborately-devised threshold .lter which aims to minimize the unnecessary loops in the computing. Meanwhile, two optimization techniques are presented to further accelerate the computing. Our experiments show that it takes only 2.15 seconds by the trivial method to compute the transparency order of a 12 × 12 S-Box, while it takes 22161.92 seconds by our method, which is about 10, 356 times faster to do the same job.
机译:Prouff在FSE2005上引入了S-Box透明顺序的概念。此特征与S-Box阻止DPA攻击的能力有关。在这项研究中,我们提出了一种计算S-Box透明度顺序的快速实现方法。我们的方法引入了精心设计的阈值过滤器,其目的是最大程度地减少计算中不必要的循环。同时,提出了两种优化技术来进一步加速计算。我们的实验表明,用平凡的方法仅需2.15秒即可计算出12×12 S-Box的透明顺序,而使用我们的方法仅需22161.92秒即可完成相同工作,速度快了约10、356倍。

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