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please provide solution Suppose FK(.) is a PRF. and it output 2n bits. Hk(x) as folloos: take the first half n bit of f(x) and
please provide solution Suppose FK(.) is a PRF. and it output 2n bits. Hk(x) as folloos: take the first half n bit of f(x) and then frip each bit of it. Hk(.)isPRF?ornot
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