store_critical_data 0.1.5
store_critical_data: ^0.1.5 copied to clipboard
Secure Storage provides API to store data in secure storage. Keychain is used in iOS, KeyStore based solution is used in Android.
store_critical_data #
A Flutter plugin to store critical data in secure storage:
- Keychain is used for iOS
- AES encryption is used for Android. AES secret key is encrypted with RSA and RSA key is stored in KeyStore
Note
- KeyStore was introduced in Android 4.3 (API level 18). The plugin wouldn't work for earlier versions.
Getting Started #
import 'package:store_critical_data/store_critical_data.dart';
// Create storage
final _storage = new StoreCriticalData();
// write String value
_storage.writeString(key: “key”, value: “value”);
// Read String value
String value = _storage.readString(key: "key");
// write Double value
_storage.writeDouble(key: “key”, value: “value”);
// Read Double value
final double value = _storage.readDoubleNew(key: "key");
// Clear value
_storage.clear(key: "key");
// Clear All
_storage.clearAll();
// Check if Key was store
_storage.contains(key: "key");
Configure Android version #
In [project]/android/app/build.gradle
set minSdkVersion
to >= 18.
android {
...
defaultConfig {
...
minSdkVersion 18
...
}
}
Note : By default Android backups data on Google Drive. It can cause exception java.security.InvalidKeyException:Failed to unwrap key.