Question: Consider a Feistel cipher with 4 (four) rounds, where plaintext P=(L0,R0) and the corresponding ciphertext C=(L4,R4). What is the ciphertext C, in terms of L0

Consider a Feistel cipher with 4 (four) rounds, where plaintext P=(L0,R0) and the corresponding ciphertext C=(L4,R4). What is the ciphertext C, in terms of L0 and R0, if the round function is F(Ri-1,Ki)=Ri-1?Ki? Show your work.

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