2. Let F be a PRF. Consider the following function F': F (x) = { Fk...
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2. Let F be a PRF. Consider the following function F': F (x) = { Fk (x) F(x + 1) if x is even if x is odd, Show that F' is not a PRF even though F is. As with the previous problem, construct a distinguisher and work out the two probability values. 2. Let F be a PRF. Consider the following function F': F (x) = { Fk (x) F(x + 1) if x is even if x is odd, Show that F' is not a PRF even though F is. As with the previous problem, construct a distinguisher and work out the two probability values.
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The question in the image states Question Description 2 Let F be a PRF Consider the following function F Fx Fx if x is even Fx1 if x is odd Show that ... View the full answer
Related Book For
Algebra Graduate Texts In Mathematics 73
ISBN: 9780387905181
8th Edition
Authors: Thomas W. Hungerford
Posted Date:
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