AES scheme consists of an initial round and r standard rounds, r is 10,12 or 14 that depending on the block and key length. The first r-1 rounds are similar and they consist of 4 transformations. Please described these r-1 rounds in pseudo C language.

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2022-06-07

AES scheme consists of an initial round and r standard rounds, r is 10,12 or 14 that depending on the block and key length. The first r-1 rounds are similar and they consist of 4 transformations. Please described these r-1 rounds in pseudo C language.

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举一反三

R×C表的χ A: R×C-1 B: C-1 C: （R-1）（C-1） D: R×C-2 E: R-1
【单选题】对于R×C行列表的卡方检验,其自由度计算公式为 A. R-1 B. C-1 C. (R-1)(C-1) D. R×C-1 E. 1
R*C表的χ 2检验，自由度为 A: R-1 B: C-1 C: RC-1 D: (R-1)(C-1) E: 1
设A={1，2，3，4}，R是A上的等价关系，且R在A上所构成的等价类是{1}，{2，3，4}。R。R-1为（）。
在R进制数中，能使用的最小数字符号是（）。 A: 1 B: R C: R-1 D: 0