差分分析中的特征概率計(jì)算問(wèn)題研究
Study on the computation of differential characteristic probability in differential cryptanalysis
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摘要: 該文指出了長(zhǎng)期以來(lái)在差分密碼分析中所采用的差分特征概率計(jì)算方法與差分分析基本原理不相符合的矛盾,對(duì)這一問(wèn)題進(jìn)行了深入研究,給出了二者等價(jià)的充分條件,力圖解決差分分析方法的理論基礎(chǔ)問(wèn)題。
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關(guān)鍵詞:
- 差分密碼分析; 特征概率計(jì)算; 等價(jià)條件
Abstract: This paper points out the contradiction between the way of computing the differential characteristic probability and the principle of differential cryptanalysis, gives a deep reaserch on it and proposes a equivalent sufficient condition. The goal of the work is trying to solve the problem of the basic theoretic foundation for differential cryptanalysis. -
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