Assume the following structure in a Feistel cipher. How many bits, on average, will change in and , given that one changes only a single bit in ?

Question

Assume the following structure in a Feistel cipher. How many bits, on average, will change in    and   , given that one changes only a single bit in   ?

Answer

0 bit in    and 1 bit in

Answer

0 bit in    and about half the bits in

Answer

1 bit in    and about half the bits in

Answer

about half the bits in    and again about half the bits in

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Assume the following structure in a Feistel cipher. How many bits, on average, w...

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