feat: Add hash_fixed() func to allow bypassing additional sponge.absorb(1) #13
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This PR adds a public
hash_fixed()function that bypasses the additional sponge.absorb(1) that occurs when the number of fields to hash is not equal to the total input fields.This is useful when you have a zero-padded, fixed-size input and only want to hash a subset of the fields, but still need hashing to remain consistent in the case where the full input size is used (which is otherwise indistinguishable from a fixed-size input, even though it is actually a dynamic-size input).