wp-includes/sodium_compat/src/Core/Salsa20.php:262$uint$cintint public static function rotate($u, $c) { $u &= 0xffffffff; $c %= 32; return (int) (0xffffffff & ( ($u << $c) | ($u >> (32 - $c)) ) ); }Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/sodium_compat/src/Core/Salsa20.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.