Question: Let F be a secure strong pseudorandom permutation ( PRP ) on n bit inputs. Show that F k ' ( x ) = F

Let F be a secure strong pseudorandom permutation (PRP) on n bit inputs. Show that Fk'(x)=Fk(k)(?xor)Fk(x) is not a strong PRP.
Let F be a secure strong pseudorandom permutation (PRP) on n

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