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Suppose the DES F function mapped every 3 2 - bit input R , regardless of the value of the input K , toa. a

Suppose the DES F function mapped every

32 -

bit input R

,

regardless of the value of the input K

,

toa. a

32 -

bit string of zero, andb. R

.

Then:

1 .

What function would DES compute?

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