Files: wp-includes/sodium_compat/src/Core/BLAKE2b.php

Creates an SplFixedArray containing other SplFixedArray elements, from a string (compatible with \Sodium\crypto_generichash_{init, update, final})

Convert a string into an SplFixedArray of integers

Convert an SplFixedArray of integers into a string

Returns a fresh BLAKE2 context.

This just sets the $iv static variable.