$1.$ the first round of the DES algorithm when the ciphertext and the key are both all ones?

a$.$ What$$s the $64-$bit value of IP$($x$)?$

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b$.$ What$$s the $48-$bit subkey k$1$ of after PC$-1?$

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c$.$ What$$s the $48-$bit value of E$($R$0)$ after expansion?

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d$.$ What$$s the $48-$bit value after E$($R$0)$ XOR k$1?$

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e$.$ What$$s the $32-$bit value after S$-$boxes operations?

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f$.$ What$$s the $64-$bit $($L$1,$ R$1)$ value after permutation P$?$

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