Christopher Haster f215027fd4 Switched to CRC as seed collection function instead of xor ...

As noted by gtaska, we are sitting on a better hash-combining function
than xor: CRC. Previous issues with xor were solvable, but relying on
xor for this isn't really worth the risk when we already have a CRC
function readily available.

To quote a study found by gtaska:

https://michiel.buddingh.eu/distribution-of-hash-values

> CRC32 seems to score really well, but its graph is skewed by the results
> of Dataset 5 (binary numbers), which may or may not be too synthetic to
> be considered a fair benchmark. But even if you substract the results
> from that test, it does not fare significantly worse than other,
> cryptographic hash functions.

2020-11-20 00:38:41 -06:00

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