Question: Problem 2 Let E: { 0 , 1 } n { 0 , 1 } n { 0 , 1 } n be a block

Problem 2 Let E: {0,1} n {0,1} n {0,1} n be a block cipher. Let TE be the time to compute E or E1. Define H: {0,1} n {0,1}2n {0,1} n , for all inputs K in {0,1} n and M in {0,1}2n , as follows:

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