State advantage and disadvantage of static and dynamic s-box

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Reference no: EM131907052

Problem

In a cipher, S-boxes can be either static or dynamic. The parameters in a static S-box do not depend on the key.

a. State some advantages and some disadvantages of static and dynamic S-boxes.

b. Are the S-boxes (substitution tables) in AES static or dynamic?

Reference no: EM131907052

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