1 | X0' = X7⊕X6⊕X5⊕X4⊕X3⊕X2⊕X1⊕S |
1 2 3 4 | S' =X7⊕X6⊕X5⊕X4⊕X3⊕X2⊕X1⊕X0' =(X7⊕X6⊕X5⊕X4⊕X3⊕X2⊕X1⊕X7)⊕(X6⊕X5⊕X4⊕X3⊕X2⊕X1⊕S) =(X7⊕X6⊕X5⊕X4⊕X3⊕X2⊕X1⊕X7)⊕(X6⊕X5⊕X4⊕X3⊕X2⊕X1)⊕S =S |
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