pub fn words256(value: ScalarWords) -> [b64; 4]Expand description
A 256-bit little-endian value as four big-endian SHA-512 message words.
Word k of the result holds bytes 8k..8k + 8 of the 32-byte string, in
the order SHA-512 consumes them. Used to place a seed or nonce prefix in a
message block.