What is the output of an r-round Feistel network when the input is (Lo, Ro) in each of the following cases: 1. Each round function outputs all 0s, regardless of the input. 2. Each round function is the leantity fiuaction. What is the output of an r-round Feistel network when the input is (Lo, Ro) in each of the following cases: 1. Each round function outputs all 0s, regardless of the input. 2. Each round function is the leantity fiuaction