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Committed AND protocol using three cards with more handy shuffle

机译:使用三张牌的承诺和协议使用更多便利的洗牌

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A card-based protocol enables parties to securely compute a desired function by using physical cards instead of computer devices. Most of the previous works have aimed to achieve protocols with a smaller number of cards for elementary functions (e.g., AND/XOR/COPY). Mizuki and Shizuya's protocols achieve the smallest numbers of cards among the existing protocols. Their XOR and COPY protocols can be done easily, however, their AND protocol does not have an easy physical implementation due to the complicated underlying shuffle. We propose a new shuffle, tornado shuffle, which has an easy physical implementation and is also sufficient to construct three-card AND protocol.
机译:基于卡的协议使各方能够通过使用物理卡而不是计算机设备来安全地计算所需功能。以前的大多数作品旨在实现具有较少数量的基本功能的牌(例如和/ XOR / COPY)的协议。 Mizuki和Shizuya的协议在现有协议中实现了最小的卡片。它们的XOR和复制协议可以轻松完成,但是,由于底层的底层混乱,它们和协议没有易于物理实现。我们提出了一个新的洗牌,Tornado Shuffle,它具有简单的物理实现,也足以构建三张卡和协议。

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