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QUESTION
Suppose that the 64-bits string A B C D E F 9 8 7 6 5 4 3 2 1 0 is obtained after the initial permutation in DES.
Suppose that the 64-bits string A B C D E F 9 8 7 6 5 4 3 2 1 0 is obtained after the initial permutation in DES. Compute the 32-bit strings L1 and R1 knowing that the round key K1 is 0 1 2 3 4 5 6 7 8 9 A B?
