Tagged Questions
7
votes
1answer
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Replacing the Rijndael S-Box?
The Rijndael S-Box design generates a permutation cycle of type $2+27+59+81+87$. What effect would replacing that permutation with a cycle of type $256$ have on the security of AES?
15
votes
2answers
1k views
How were the DES S-box values determined?
It seems like the S-boxes in DES have essentially random values.
How were these chosen?
