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You aren’t missing anything. I don’t have the paper handy but I had the same question and found a study showing that a salt worked fine.

I’m just glad im not the only one to wonder this. Perhaps that’s the issue. It feels wrong for some reason despite not being an issue in practice.

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Independent hash functions can be as mundane as using different a,b values for ax+b, so as far as the theory is concerned, salting is indeed generating a new hash function.

Several others have said it too, but this comment is a perfect summary of what I was missing. Thank you. I do wish the terminology was used in a way that would induce everyone to reach the same understanding.

Thanks, it’s great to have it clarified now!

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