wp-includes/sodium_compat/src/Core/Ed25519.php:189$messagestring$skstringstring public static function sign($message, $sk) { /** @var string $signature */ $signature = self::sign_detached($message, $sk); return $signature . $message; }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/Ed25519.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.