flutter_keychain

A Flutter plugin for supporting secure storage of strings via Keychain and Keystore

If you have other types you want to store, you need to serialize to and from UTF-8 strings.

  • 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 does not work on earlier versions.

Getting Started


import 'package:flutter_keychain/flutter_keychain.dart';
...

// Get value
var value = await FlutterKeychain.get(key: "key");

// Put value
await FlutterKeychain.put(key: "key", value: "value");

// Remove item
await FlutterKeyChain.remove(key: "key");

// Clear the secure store
await FlutterKeyChain.clear();

Configure Android version

In [project]/android/app/build.gradle set minSdkVersion to >= 18.

android {
    ...
    defaultConfig {
        ...
        minSdkVersion 18
        ...
    }
}

Contributing

For help on editing plugin code, view the documentation.

Libraries

flutter_keychain
i18n

Dart

dart:ui
Built-in types and core primitives for a Flutter application. [...]

Core

dart:async
Support for asynchronous programming, with classes such as Future and Stream. [...]
dart:collection
Classes and utilities that supplement the collection support in dart:core. [...]
dart:convert
Encoders and decoders for converting between different data representations, including JSON and UTF-8. [...]
dart:core
Built-in types, collections, and other core functionality for every Dart program. [...]
dart:developer
Interact with developer tools such as the debugger and inspector. [...]
dart:math
Mathematical constants and functions, plus a random number generator. [...]
dart:typed_data
Lists that efficiently handle fixed sized data (for example, unsigned 8 byte integers) and SIMD numeric types. [...]

VM

dart:io
File, socket, HTTP, and other I/O support for non-web applications. [...]
dart:isolate
Concurrent programming using isolates: independent workers that are similar to threads but don't share memory, communicating only via messages. [...]