wp-includes/sodium_compat/src/Core/AEGIS/State256.php:99$aistringself public function absorb($ai) { if (ParagonIE_Sodium_Core_Util::strlen($ai) !== 16) { throw new SodiumException('Input must be an AES block in size'); } return $this->update($ai); }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/AEGIS/State256.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.