encryption key

Author: ZahraErfani

lib/data/hive/hive_helpers.dart

@@ -1,7 +1,9 @@
+import 'dart:convert';
 import 'dart:developer';
 import 'dart:io';
 
 import 'package:flutter/foundation.dart';
+import 'package:flutter_secure_storage/flutter_secure_storage.dart';
 import 'package:hive_flutter/adapters.dart';
 import 'package:path/path.dart';
 import 'package:path_provider/path_provider.dart';
@@ -28,15 +30,39 @@ class HiveHelper {
     }
 
     await Hive.initFlutter();
+    const secureStorage = FlutterSecureStorage();
+    final encryprionKey = await secureStorage.read(key: 'key');
+    if (encryprionKey == null) {
+      final key = Hive.generateSecureKey();
+      await secureStorage.write(
+        key: 'key',
+        value: base64UrlEncode(key),
+      );
+    }
+
+    final key = await secureStorage.read(key: 'key');
+    final encryptionKey = base64Url.decode(key!);
 
     Hive.registerAdapter(SubTaskAdapter());
     Hive.registerAdapter(TaskAdapter());
     Hive.registerAdapter(SubCategoryAdapter());
-    await Hive.openBox("subtask");
-    await Hive.openBox("task");
-    await Hive.openBox("subCategory");
+    await Hive.openBox(
+      "subtask",
+      encryptionCipher: HiveAesCipher(encryptionKey),
+    );
+    await Hive.openBox(
+      "task",
+      encryptionCipher: HiveAesCipher(encryptionKey),
+    );
+    await Hive.openBox(
+      "subCategory",
+      encryptionCipher: HiveAesCipher(encryptionKey),
+    );
     Hive.registerAdapter(CategoryTaskAdapter());
-    await Hive.openBox("category");
+    await Hive.openBox(
+      "category",
+      encryptionCipher: HiveAesCipher(encryptionKey),
+    );
   }
 
   static void close(String name) async {

lib/screen/home/home.dart

@@ -17,6 +17,8 @@ class Home extends StatefulWidget {
 }
 
 class _HomeState extends State<Home> {
+  final encryptedTaskBox = Hive.box(HiveBoxNames.task);
+
   @override
   Widget build(BuildContext context) {
     return Scaffold(
@@ -26,7 +28,8 @@ class _HomeState extends State<Home> {
       ),
       drawer: const MyCustomDrawer(),
       body: ValueListenableBuilder(
-        valueListenable: Hive.box(HiveBoxNames.task).listenable(),
+        // valueListenable: Hive.box(HiveBoxNames.task).listenable(),
+        valueListenable: encryptedTaskBox.listenable(),
         builder: (context, Box box, widget) {
           if (box.isEmpty) {
             return const Center(

linux/flutter/generated_plugin_registrant.cc

@@ -7,12 +7,16 @@
 #include "generated_plugin_registrant.h"
 
 #include <audioplayers_linux/audioplayers_linux_plugin.h>
+#include <flutter_secure_storage_linux/flutter_secure_storage_linux_plugin.h>
 #include <record_linux/record_linux_plugin.h>
 
 void fl_register_plugins(FlPluginRegistry* registry) {
   g_autoptr(FlPluginRegistrar) audioplayers_linux_registrar =
       fl_plugin_registry_get_registrar_for_plugin(registry, "AudioplayersLinuxPlugin");
   audioplayers_linux_plugin_register_with_registrar(audioplayers_linux_registrar);
+  g_autoptr(FlPluginRegistrar) flutter_secure_storage_linux_registrar =
+      fl_plugin_registry_get_registrar_for_plugin(registry, "FlutterSecureStorageLinuxPlugin");
+  flutter_secure_storage_linux_plugin_register_with_registrar(flutter_secure_storage_linux_registrar);
   g_autoptr(FlPluginRegistrar) record_linux_registrar =
       fl_plugin_registry_get_registrar_for_plugin(registry, "RecordLinuxPlugin");
   record_linux_plugin_register_with_registrar(record_linux_registrar);

linux/flutter/generated_plugins.cmake

@@ -4,6 +4,7 @@
 
 list(APPEND FLUTTER_PLUGIN_LIST
   audioplayers_linux
+  flutter_secure_storage_linux
   record_linux
 )
 

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -6,12 +6,14 @@ import FlutterMacOS
 import Foundation
 
 import audioplayers_darwin
+import flutter_secure_storage_macos
 import path_provider_foundation
 import record_macos
 import sqflite
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
   AudioplayersDarwinPlugin.register(with: registry.registrar(forPlugin: "AudioplayersDarwinPlugin"))
+  FlutterSecureStoragePlugin.register(with: registry.registrar(forPlugin: "FlutterSecureStoragePlugin"))
   PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))
   RecordMacosPlugin.register(with: registry.registrar(forPlugin: "RecordMacosPlugin"))
   SqflitePlugin.register(with: registry.registrar(forPlugin: "SqflitePlugin"))

pubspec.lock

@@ -315,6 +315,54 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.0.9"
+  flutter_secure_storage:
+    dependency: "direct main"
+    description:
+      name: flutter_secure_storage
+      sha256: "98352186ee7ad3639ccc77ad7924b773ff6883076ab952437d20f18a61f0a7c5"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "8.0.0"
+  flutter_secure_storage_linux:
+    dependency: transitive
+    description:
+      name: flutter_secure_storage_linux
+      sha256: "0912ae29a572230ad52d8a4697e5518d7f0f429052fd51df7e5a7952c7efe2a3"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.1.3"
+  flutter_secure_storage_macos:
+    dependency: transitive
+    description:
+      name: flutter_secure_storage_macos
+      sha256: "083add01847fc1c80a07a08e1ed6927e9acd9618a35e330239d4422cd2a58c50"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "3.0.0"
+  flutter_secure_storage_platform_interface:
+    dependency: transitive
+    description:
+      name: flutter_secure_storage_platform_interface
+      sha256: b3773190e385a3c8a382007893d678ae95462b3c2279e987b55d140d3b0cb81b
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.0.1"
+  flutter_secure_storage_web:
+    dependency: transitive
+    description:
+      name: flutter_secure_storage_web
+      sha256: "42938e70d4b872e856e678c423cc0e9065d7d294f45bc41fc1981a4eb4beaffe"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.1.1"
+  flutter_secure_storage_windows:
+    dependency: transitive
+    description:
+      name: flutter_secure_storage_windows
+      sha256: fc2910ec9b28d60598216c29ea763b3a96c401f0ce1d13cdf69ccb0e5c93c3ee
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.0.0"
   flutter_test:
     dependency: "direct dev"
     description: flutter

pubspec.yaml

@@ -56,6 +56,7 @@ dependencies:
   file_picker: ^5.2.6
   syncfusion_flutter_datepicker: ^20.4.53
   intl: 0.17.0
+  flutter_secure_storage: ^8.0.0
 
 dev_dependencies:
   flutter_test:

windows/flutter/generated_plugin_registrant.cc

@@ -7,12 +7,15 @@
 #include "generated_plugin_registrant.h"
 
 #include <audioplayers_windows/audioplayers_windows_plugin.h>
+#include <flutter_secure_storage_windows/flutter_secure_storage_windows_plugin.h>
 #include <permission_handler_windows/permission_handler_windows_plugin.h>
 #include <record_windows/record_windows_plugin_c_api.h>
 
 void RegisterPlugins(flutter::PluginRegistry* registry) {
   AudioplayersWindowsPluginRegisterWithRegistrar(
       registry->GetRegistrarForPlugin("AudioplayersWindowsPlugin"));
+  FlutterSecureStorageWindowsPluginRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("FlutterSecureStorageWindowsPlugin"));
   PermissionHandlerWindowsPluginRegisterWithRegistrar(
       registry->GetRegistrarForPlugin("PermissionHandlerWindowsPlugin"));
   RecordWindowsPluginCApiRegisterWithRegistrar(

windows/flutter/generated_plugins.cmake

@@ -4,6 +4,7 @@
 
 list(APPEND FLUTTER_PLUGIN_LIST
   audioplayers_windows
+  flutter_secure_storage_windows
   permission_handler_windows
   record_windows
 )