wp-includes/sodium_compat/src/Core/AES/Block.php:208$xint$yintself public function swap8($x, $y) { return $this->swapN(0x0F0F0F0F, 0xF0F0F0F0, 4, $x, $y); }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/AES/Block.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.