Question: 2. Let G: K K2 be a secure PRG. Define 1-bit PRF F: K {0,1} K as F(k, x{0,1} ) = G(k)[x] Prove that if

2. Let G: K K2 be a secure PRG. Define 1-bit PRF F: K {0,1} K as F(k, x{0,1} ) = G(k)[x]

Prove that if G is a secure PRG then F is a secure PRF

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