Question: In our attack on a two-round substitution-permutation network, we considered a block length of 64 bits and a network with 16 S-boxes that each take

In our attack on a two-round substitution-permutation network, we considered a

In our attack on a two-round substitution-permutation network, we considered a block length of 64 bits and a network with 16 S-boxes that each take a 4-bit input. Repeat the analysis for the case of 8 5-boxes, each taking an 8-bit input. What is the complexity of the attack now? Repeat the analysis again with a 128-bit block length and 16 S-boxes that each take an 8-bit input. Does the block length make any difference

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