CalcHash256PRNGIV calculates and returns the initialization vector for a given seed.

FindShareIdxs is the exported version of findShareIdxs used for testing.

NewHash256PRNG returns a deterministic pseudorandom number generator that uses a 256-bit secure hashing function to generate random uint32s given a seed.

NewHash256PRNGFromIV returns a deterministic pseudorandom number generator that uses a 256-bit secure hashing function to generate random uint32s given an initialization vector.

Hash256PRNG is a determinstic pseudorandom number generator that uses a 256-bit secure hashing function to generate random uint32s starting from an initial seed.