Better seeding and faster stream mixer

jonmaiga / mx3

A bit mixer, pseudo random number generator and a hash function.

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Closed jonmaiga closed 2 years ago

jonmaiga commented 2 years ago

Avoid obvious bad seeds when data length == seed
Mix the seed of prng to avoid overlaps (e.g. seed 1 would overlap with seed 5 after 4 counter increments).
Performance improvement for hashing of data of 32 or more bytes (tested with 3 different processors with different compilers and all showed improvement).