Compare the permutations in des and aes why do we need


Proble

1. Compare the substitution in DES and AES. Why do we have only one substitution table (S-box) in AES. but several in DES?

2. Compare the permutations in DES and AES. Why do we need expansion and compression permutations in DES. but not in AES?

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Computer Engineering: Compare the permutations in des and aes why do we need
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