Question: Exercise 4.26. Let F : {0,1} {0,1} be a secure PRF, from n bit strings to l Exercise 4.26, on page 259 of the

Exercise 4.26. Let F : {0, 1} {0,1} be a secure PRF, from n bit strings to l < n bit strings. Define F' : Exercise 4.26, on page 259 of the textbook. Again, construct a distinguisher, compute P(DF%() = 1) and P(D()

Exercise 4.26. Let F : {0,1} {0,1} be a secure PRF, from n bit strings to l Exercise 4.26, on page 259 of the textbook. Again, construct a distinguisher, compute P(DF%() = 1) and P(D() = 1), and show the difference between the two probabilities is large.

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