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It's not clear what the author means here. This is not a very mathematical article. (Nit: d is a distribution so it can not always return 0 -- it has to sum to
by petters 10y ago
It's not clear what the author means here. This is not a very mathematical article.
(Nit: d is a distribution so it can not always return 0 -- it has to sum to 1. But your point stands.)
- pdpi 10y agoI believe the point is that you get a uniform distirbution of 1s and 0s after going through the PRF irrespectively of the distribution of 1s and 0s in the input. This is certainly a desirable property for a hash function.
- deleted 10y ago[deleted]