wp-includes/sodium_compat/src/Core/Curve25519.php:1108Subtract two field elements.
$fParagonIE_Sodium_Core_Curve25519_Fe$gParagonIE_Sodium_Core_Curve25519_FeParagonIE_Sodium_Core_Curve25519_Fe public static function fe_sub(ParagonIE_Sodium_Core_Curve25519_Fe $f, ParagonIE_Sodium_Core_Curve25519_Fe $g) { return self::fe_normalize( new ParagonIE_Sodium_Core_Curve25519_Fe( (int) ($f->e0 - $g->e0), (int) ($f->e1 - $g->e1), (int) ($f->e2 - $g->e2), (int) ($f->e3 - $g->e3), (int) ($f->e4 - $g->e4), (int) ($f->e5 - $g->e5), (int) ($f->e6 - $g->e6), (int) ($f->e7 - $g->e7), (int) ($f->e8 - $g->e8), (int) ($f->e9 - $g->e9) ) ); }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/Curve25519.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.