ParagonIE_Sodium_Core_Poly1305::onetimeauth_verify( string $mac, string $m, string $key ): bool

48    public static function onetimeauth_verify($mac, $m, $key)49    {50        if (self::strlen($key) < 32) {51            throw new InvalidArgumentException(52                'Key must be 32 bytes long.'53            );54        }55        $state = new ParagonIE_Sodium_Core_Poly1305_State(56            self::substr($key, 0, 32)57        );58        $calc = $state59            ->update($m)60            ->finish();61        return self::verify_16($calc, $mac);62    }