import 'package:flutter_secure_storage/flutter_secure_storage.dart'; class SecureStorage { final FlutterSecureStorage _storage = const FlutterSecureStorage(); void saveData(String key, value) async { await _storage.write(key: key, value: value); } Future readData(String boxName) async { final String? value = await _storage.read(key: boxName); return value; } }