Addition on modulo 2n" target="_blank">n')">Addition on modulo 2n;Differential probability
密码学;差分分析;模2n加;差分转移概率, Open Access Library" />

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Differential Characteristic Probability of Added Key on Modulo 2n Operation
“与密钥模2n加运算”的差分性质研究

Keywords: Cryptography,Differential cryptanalysis,Addition on modulo 2n" target="_blank">n')">Addition on modulo 2n&searchField=keyword">Addition on modulo 2n&prev_q=n')">Addition on modulo 2n" target="_blank">n')">Addition on modulo 2n,Differential probability
密码学
,差分分析,模2n加,差分转移概率

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Abstract:

“与密钥K模2n加”-Y=X+Kmod2n是密码算法中一个常用的基本编码环节,在SAFER++,RC6 Phelix等算法中有广泛的应用。该文对Y=X+Kmod2n进行了差分分析,首次给出了当差分转移概率取最大值1,次大值1-1/2n-2,次小值1/2n-2以及1/2时,输入差,输出差及密钥的结构特点和计数公式。

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