Merge commit 'c34d1da6' into temp/tde-master-merge

* [PM-3381] Check for vault lock on 2FA screen

* [PM-3381] Move logic to ViewModel

* [PM-3381] Fix null vm error

global.json

@@ -1,5 +0,0 @@
-{
-  "sdk": {
-    "version": "7.0.306"
-  }
-}

src/Android/MainApplication.cs

@@ -70,7 +70,8 @@ namespace Bit.Droid
                 var verificationActionsFlowHelper = new VerificationActionsFlowHelper(
                     ServiceContainer.Resolve<IKeyConnectorService>("keyConnectorService"),
                     ServiceContainer.Resolve<IPasswordRepromptService>("passwordRepromptService"),
-                    ServiceContainer.Resolve<ICryptoService>("cryptoService"));
+                    ServiceContainer.Resolve<ICryptoService>("cryptoService"),
+                    ServiceContainer.Resolve<IUserVerificationService>());
                 ServiceContainer.Register<IVerificationActionsFlowHelper>("verificationActionsFlowHelper", verificationActionsFlowHelper);
 
                 var accountsManager = new AccountsManager(
@@ -156,9 +157,9 @@ namespace Bit.Droid
                 messagingService, broadcasterService);
             var autofillHandler = new AutofillHandler(stateService, messagingService, clipboardService,
                 platformUtilsService, new LazyResolve<IEventService>());
-            var biometricService = new BiometricService(stateService);
             var cryptoFunctionService = new PclCryptoFunctionService(cryptoPrimitiveService);
             var cryptoService = new CryptoService(stateService, cryptoFunctionService);
+            var biometricService = new BiometricService(stateService, cryptoService);
             var passwordRepromptService = new MobilePasswordRepromptService(platformUtilsService, cryptoService);
 
             ServiceContainer.Register<ISynchronousStorageService>(preferencesStorage);

src/Android/Services/BiometricService.cs

@@ -2,6 +2,7 @@
 using System.Threading.Tasks;
 using Android.OS;
 using Android.Security.Keystore;
+using Bit.App.Services;
 using Bit.Core.Abstractions;
 using Bit.Core.Services;
 using Java.Security;
@@ -9,10 +10,8 @@ using Javax.Crypto;
 
 namespace Bit.Droid.Services
 {
-    public class BiometricService : IBiometricService
+    public class BiometricService : BaseBiometricService
     {
-        private readonly IStateService _stateService;
-
         private const string KeyName = "com.8bit.bitwarden.biometric_integrity";
 
         private const string KeyStoreName = "AndroidKeyStore";
@@ -24,14 +23,14 @@ namespace Bit.Droid.Services
 
         private readonly KeyStore _keystore;
 
-        public BiometricService(IStateService stateService)
+        public BiometricService(IStateService stateService, ICryptoService cryptoService)
+            : base(stateService, cryptoService)
         {
-            _stateService = stateService;
             _keystore = KeyStore.GetInstance(KeyStoreName);
             _keystore.Load(null);
         }
 
-        public async Task<bool> SetupBiometricAsync(string bioIntegritySrcKey = null)
+        public override async Task<bool> SetupBiometricAsync(string bioIntegritySrcKey = null)
         {
             if (Build.VERSION.SdkInt >= BuildVersionCodes.M)
             {
@@ -41,7 +40,7 @@ namespace Bit.Droid.Services
             return true;
         }
 
-        public async Task<bool> IsSystemBiometricIntegrityValidAsync(string bioIntegritySrcKey = null)
+        public override async Task<bool> IsSystemBiometricIntegrityValidAsync(string bioIntegritySrcKey = null)
         {
             if (Build.VERSION.SdkInt < BuildVersionCodes.M)
             {

src/App/Abstractions/IPasswordRepromptService.cs

@@ -9,7 +9,5 @@ namespace Bit.App.Abstractions
         Task<bool> ShowPasswordPromptAsync();
 
         Task<(string password, bool valid)> ShowPasswordPromptAndGetItAsync();
-
-        Task<bool> Enabled();
     }
 }

src/App/App.csproj

@@ -1,28 +1,33 @@
 <Project Sdk="Microsoft.NET.Sdk">
+
   <PropertyGroup>
+    <TargetFramework>netstandard2.1</TargetFramework>
     <RootNamespace>Bit.App</RootNamespace>
     <AssemblyName>BitwardenApp</AssemblyName>
     <Configurations>Debug;Release;FDroid</Configurations>
-    <TargetFrameworks>net7.0-android;net7.0-ios</TargetFrameworks>
-    <UseMaui>True</UseMaui>
-    <OutputType>Library</OutputType>
-    <ImplicitUsings>enable</ImplicitUsings>
-    <SingleProject>true</SingleProject>
   </PropertyGroup>
+
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
+    <DebugType>pdbonly</DebugType>
+    <DebugSymbols>true</DebugSymbols>
+  </PropertyGroup>
+
   <ItemGroup>
     <PackageReference Include="Plugin.Fingerprint" Version="2.1.5" />
+    <PackageReference Include="SkiaSharp.Views.Forms" Version="2.88.3" />
+    <PackageReference Include="Xamarin.CommunityToolkit" Version="2.0.6" />
+    <PackageReference Include="Xamarin.Essentials" Version="1.7.5" />
     <PackageReference Include="Xamarin.FFImageLoading.Forms" Version="2.4.11.982" />
+    <PackageReference Include="Xamarin.Forms" Version="5.0.0.2578" />
     <PackageReference Include="ZXing.Net.Mobile" Version="2.4.1" />
     <PackageReference Include="ZXing.Net.Mobile.Forms" Version="2.4.1" />
     <PackageReference Include="MessagePack" Version="2.4.59" />
-    <PackageReference Include="SkiaSharp.Views.Maui.Core" Version="2.88.3" />
-    <PackageReference Include="SkiaSharp.Views.Maui.Controls" Version="2.88.3" />
-    <PackageReference Include="SkiaSharp.Views.Maui.Controls.Compatibility" Version="2.88.3" />
-    <PackageReference Include="CommunityToolkit.Maui" Version="5.2.0" />
   </ItemGroup>
+
   <ItemGroup>
     <ProjectReference Include="..\Core\Core.csproj" />
   </ItemGroup>
+
   <ItemGroup>
     <Compile Update="Pages\Accounts\EnvironmentPage.xaml.cs">
       <DependentUpon>EnvironmentPage.xaml</DependentUpon>
@@ -125,6 +130,7 @@
       <DependentUpon>LoginPasswordlessRequestPage.xaml</DependentUpon>
     </Compile>
   </ItemGroup>
+
   <ItemGroup>
     <Folder Include="Resources\" />
     <Folder Include="Behaviors\" />
@@ -142,9 +148,11 @@
     <Folder Include="Utilities\Automation\" />
     <Folder Include="Utilities\Prompts\" />
   </ItemGroup>
+
   <ItemGroup>
     <EmbeddedResource Remove="Pages\Accounts\AccountsPopupPage.xaml" />
   </ItemGroup>
+
   <ItemGroup>
     <Compile Update="Styles\Black.xaml.cs">
       <DependentUpon>Black.xaml</DependentUpon>
@@ -168,6 +176,7 @@
       <DependentUpon>Android.xaml</DependentUpon>
     </Compile>
   </ItemGroup>
+
   <ItemGroup>
     <Compile Update="Resources\AppResources.cs.Designer.cs">
       <DependentUpon>AppResources.cs.resx</DependentUpon>
@@ -305,6 +314,7 @@
       <AutoGen>True</AutoGen>
     </Compile>
   </ItemGroup>
+
   <ItemGroup>
     <EmbeddedResource Update="Resources\AppResources.cs.resx">
       <LastGenOutput>AppResources.cs.Designer.cs</LastGenOutput>
@@ -415,6 +425,7 @@
       <Generator>ResXFileCodeGenerator</Generator>
     </EmbeddedResource>
   </ItemGroup>
+
   <ItemGroup>
     <None Remove="Behaviors\" />
     <None Remove="Xamarin.CommunityToolkit" />
@@ -434,4 +445,4 @@
     <None Remove="Utilities\Automation\" />
     <None Remove="Utilities\Prompts\" />
   </ItemGroup>
-</Project>
+</Project>

src/App/App.xaml

@@ -1,5 +1,5 @@
-<?xml version="1.0" encoding="utf-8" ?>
+<?xml version="1.0" encoding="utf-8" ?>
-<Application xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+<Application xmlns="http://xamarin.com/schemas/2014/forms"
              xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
              x:Class="Bit.App.App">
     <Application.Resources>

src/App/App.xaml.cs

@@ -15,9 +15,8 @@ using Bit.Core.Models.Data;
 using Bit.Core.Models.Response;
 using Bit.Core.Services;
 using Bit.Core.Utilities;
-using Microsoft.Maui.Controls.Xaml;
+using Xamarin.Forms;
-using Microsoft.Maui.Controls;
+using Xamarin.Forms.Xaml;
-using Microsoft.Maui;
 
 [assembly: XamlCompilation(XamlCompilationOptions.Compile)]
 namespace Bit.App
@@ -94,7 +93,6 @@ namespace Bit.App
                     }
                     else if (message.Command == "resumed")
                     {
-                        // TODO Xamarin.Forms.Device.RuntimePlatform is no longer supported. Use Microsoft.Maui.Devices.DeviceInfo.Platform instead. For more details see https://learn.microsoft.com/en-us/dotnet/maui/migration/forms-projects#device-changes
                         if (Device.RuntimePlatform == Device.iOS)
                         {
                             ResumedAsync().FireAndForget();
@@ -102,7 +100,6 @@ namespace Bit.App
                     }
                     else if (message.Command == "slept")
                     {
-                        // TODO Xamarin.Forms.Device.RuntimePlatform is no longer supported. Use Microsoft.Maui.Devices.DeviceInfo.Platform instead. For more details see https://learn.microsoft.com/en-us/dotnet/maui/migration/forms-projects#device-changes
                         if (Device.RuntimePlatform == Device.iOS)
                         {
                             await SleptAsync();
@@ -124,7 +121,7 @@ namespace Bit.App
                             Options.OtpData = new OtpData((string)message.Data);
                         }
 
-                        Device.InvokeOnMainThreadAsync(async () =>
+                        await Device.InvokeOnMainThreadAsync(async () =>
                         {
                             if (Current.MainPage is TabsPage tabsPage)
                             {
@@ -296,7 +293,6 @@ namespace Bit.App
             {
                 _messagingService.Send(Constants.PasswordlessLoginRequestKey);
             }
-            // TODO Xamarin.Forms.Device.RuntimePlatform is no longer supported. Use Microsoft.Maui.Devices.DeviceInfo.Platform instead. For more details see https://learn.microsoft.com/en-us/dotnet/maui/migration/forms-projects#device-changes
             if (Device.RuntimePlatform == Device.Android)
             {
                 await _vaultTimeoutService.CheckVaultTimeoutAsync();
@@ -312,7 +308,6 @@ namespace Bit.App
         {
             System.Diagnostics.Debug.WriteLine("XF App: OnSleep");
             _isResumed = false;
-            // TODO Xamarin.Forms.Device.RuntimePlatform is no longer supported. Use Microsoft.Maui.Devices.DeviceInfo.Platform instead. For more details see https://learn.microsoft.com/en-us/dotnet/maui/migration/forms-projects#device-changes
             if (Device.RuntimePlatform == Device.Android)
             {
                 var isLocked = await _vaultTimeoutService.IsLockedAsync();
@@ -336,7 +331,6 @@ namespace Bit.App
             {
                 _messagingService.Send(Constants.PasswordlessLoginRequestKey);
             }
-            // TODO Xamarin.Forms.Device.RuntimePlatform is no longer supported. Use Microsoft.Maui.Devices.DeviceInfo.Platform instead. For more details see https://learn.microsoft.com/en-us/dotnet/maui/migration/forms-projects#device-changes
             if (Device.RuntimePlatform == Device.Android)
             {
                 ResumedAsync().FireAndForget();
@@ -402,7 +396,6 @@ namespace Bit.App
 
         private void ClearAutofillUri()
         {
-            // TODO Xamarin.Forms.Device.RuntimePlatform is no longer supported. Use Microsoft.Maui.Devices.DeviceInfo.Platform instead. For more details see https://learn.microsoft.com/en-us/dotnet/maui/migration/forms-projects#device-changes
             if (Device.RuntimePlatform == Device.Android && !string.IsNullOrWhiteSpace(Options.Uri))
             {
                 Options.Uri = null;
@@ -411,7 +404,6 @@ namespace Bit.App
 
         private bool SetTabsPageFromAutofill(bool isLocked)
         {
-            // TODO Xamarin.Forms.Device.RuntimePlatform is no longer supported. Use Microsoft.Maui.Devices.DeviceInfo.Platform instead. For more details see https://learn.microsoft.com/en-us/dotnet/maui/migration/forms-projects#device-changes
             if (Device.RuntimePlatform == Device.Android && !string.IsNullOrWhiteSpace(Options.Uri) &&
                 !Options.FromAutofillFramework)
             {
@@ -460,7 +452,7 @@ namespace Bit.App
 
         private void SyncIfNeeded()
         {
-            if (Microsoft.Maui.Networking.Connectivity.NetworkAccess == Microsoft.Maui.Networking.NetworkAccess.None)
+            if (Xamarin.Essentials.Connectivity.NetworkAccess == Xamarin.Essentials.NetworkAccess.None)
             {
                 return;
             }

src/App/Behaviors/EditorPreventAutoBottomScrollingOnFocusedBehavior.cs

@@ -1,5 +1,5 @@
-using Microsoft.Maui.Controls;
+using Xamarin.Essentials;
-using Microsoft.Maui;
+using Xamarin.Forms;
 
 namespace Bit.App.Behaviors
 {

src/App/Controls/AccountSwitchingOverlay/AccountSwitchingOverlayView.xaml

@@ -1,8 +1,8 @@
-<?xml version="1.0" encoding="UTF-8" ?>
+<?xml version="1.0" encoding="UTF-8" ?>
 <ContentView
-    xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+    xmlns="http://xamarin.com/schemas/2014/forms"
     xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
-    xmlns:xct="http://schemas.microsoft.com/dotnet/2022/maui/toolkit"
+    xmlns:xct="http://xamarin.com/schemas/2020/toolkit"
     xmlns:controls="clr-namespace:Bit.App.Controls"
     xmlns:effects="clr-namespace:Bit.App.Effects"
     xmlns:view="clr-namespace:Bit.Core.Models.View;assembly=BitwardenCore"

src/App/Controls/AccountSwitchingOverlay/AccountSwitchingOverlayView.xaml.cs

@@ -4,8 +4,7 @@ using System.Windows.Input;
 using Bit.Core.Abstractions;
 using Bit.Core.Utilities;
 using Xamarin.CommunityToolkit.ObjectModel;
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Controls
 {
@@ -62,8 +61,7 @@ namespace Bit.App.Controls
 
         public ICommand LongPressAccountCommand { get; }
 
-        public int AccountListRowHeight => // TODO Xamarin.Forms.Device.RuntimePlatform is no longer supported. Use Microsoft.Maui.Devices.DeviceInfo.Platform instead. For more details see https://learn.microsoft.com/en-us/dotnet/maui/migration/forms-projects#device-changes
+        public int AccountListRowHeight => Device.RuntimePlatform == Device.Android ? 74 : 70;
-Device.RuntimePlatform == Device.Android ? 74 : 70;
 
         public bool LongPressAccountEnabled { get; set; } = true;
 

src/App/Controls/AccountSwitchingOverlay/AccountSwitchingOverlayViewModel.cs

@@ -7,8 +7,7 @@ using Bit.Core.Abstractions;
 using Bit.Core.Models.View;
 using Bit.Core.Utilities;
 using Xamarin.CommunityToolkit.ObjectModel;
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Controls
 {

src/App/Controls/AccountViewCell/AccountViewCell.xaml

@@ -1,7 +1,7 @@
-<?xml version="1.0" encoding="UTF-8"?>
+<?xml version="1.0" encoding="UTF-8"?>
-<ViewCell xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+<ViewCell xmlns="http://xamarin.com/schemas/2014/forms"
           xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
-          xmlns:xct="http://schemas.microsoft.com/dotnet/2022/maui/toolkit"
+          xmlns:xct="http://xamarin.com/schemas/2020/toolkit"
           x:Class="Bit.App.Controls.AccountViewCell"
           xmlns:controls="clr-namespace:Bit.App.Controls"
           xmlns:u="clr-namespace:Bit.App.Utilities"

src/App/Controls/AccountViewCell/AccountViewCell.xaml.cs

@@ -1,7 +1,6 @@
 using System.Windows.Input;
 using Bit.Core.Models.View;
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Controls
 {

src/App/Controls/AuthenticatorViewCell/AuthenticatorViewCell.xaml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<controls:ExtendedGrid xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+<controls:ExtendedGrid xmlns="http://xamarin.com/schemas/2014/forms"
                        xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
                        x:Class="Bit.App.Controls.AuthenticatorViewCell"
                        xmlns:controls="clr-namespace:Bit.App.Controls"

src/App/Controls/AuthenticatorViewCell/AuthenticatorViewCell.xaml.cs

@@ -3,8 +3,7 @@ using Bit.App.Pages;
 using Bit.App.Utilities;
 using Bit.Core.Models.View;
 using Bit.Core.Utilities;
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Controls
 {

src/App/Controls/AvatarImageSource.cs

@@ -5,8 +5,7 @@ using System.Threading;
 using System.Threading.Tasks;
 using Bit.Core.Utilities;
 using SkiaSharp;
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Controls
 {
@@ -161,7 +160,7 @@ namespace Bit.App.Controls
         {
             if (str == null)
             {
-                return Color.FromArgb("#33ffffff");
+                return Color.FromHex("#33ffffff");
             }
             var hash = 0;
             for (var i = 0; i < str.Length; i++)
@@ -175,7 +174,7 @@ namespace Bit.App.Controls
                 var base16 = "00" + Convert.ToString(value, 16);
                 color += base16.Substring(base16.Length - 2);
             }
-            return Color.FromArgb(color);
+            return Color.FromHex(color);
         }
     }
 }

src/App/Controls/CipherViewCell/CipherViewCell.xaml

@@ -1,5 +1,5 @@
-<?xml version="1.0" encoding="UTF-8"?>
+<?xml version="1.0" encoding="UTF-8"?>
-<controls:ExtendedGrid xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+<controls:ExtendedGrid xmlns="http://xamarin.com/schemas/2014/forms"
     xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
     x:Class="Bit.App.Controls.CipherViewCell"
     xmlns:controls="clr-namespace:Bit.App.Controls"

src/App/Controls/CipherViewCell/CipherViewCell.xaml.cs

@@ -3,8 +3,7 @@ using System.Windows.Input;
 using Bit.App.Abstractions;
 using Bit.Core.Models.View;
 using Bit.Core.Utilities;
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Controls
 {

src/App/Controls/CircularProgressbarView.cs

@@ -1,11 +1,9 @@
 using System;
 using System.Runtime.CompilerServices;
 using SkiaSharp;
-using Microsoft.Maui.Graphics;
+using SkiaSharp.Views.Forms;
-using Microsoft.Maui.Controls;
+using Xamarin.Essentials;
-using Microsoft.Maui;
+using Xamarin.Forms;
-using SkiaSharp.Views.Maui.Controls;
-using SkiaSharp.Views.Maui;
 
 namespace Bit.App.Controls
 {
@@ -23,13 +21,13 @@ namespace Bit.App.Controls
             nameof(StrokeWidth), typeof(float), typeof(CircularProgressbarView), 3f);
 
         public static readonly BindableProperty ProgressColorProperty = BindableProperty.Create(
-            nameof(ProgressColor), typeof(Color), typeof(CircularProgressbarView), Color.FromArgb("175DDC"));
+            nameof(ProgressColor), typeof(Color), typeof(CircularProgressbarView), Color.FromHex("175DDC"));
 
         public static readonly BindableProperty EndingProgressColorProperty = BindableProperty.Create(
-            nameof(EndingProgressColor), typeof(Color), typeof(CircularProgressbarView), Color.FromArgb("dd4b39"));
+            nameof(EndingProgressColor), typeof(Color), typeof(CircularProgressbarView), Color.FromHex("dd4b39"));
 
         public static readonly BindableProperty BackgroundProgressColorProperty = BindableProperty.Create(
-            nameof(BackgroundProgressColor), typeof(Color), typeof(CircularProgressbarView), Colors.White);
+            nameof(BackgroundProgressColor), typeof(Color), typeof(CircularProgressbarView), Color.White);
 
         public double Progress
         {

src/App/Controls/CustomLabel.cs

@@ -1,5 +1,4 @@
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Controls
 {

src/App/Controls/DateTime/DateTimePicker.xaml

@@ -1,6 +1,6 @@
-<?xml version="1.0" encoding="UTF-8" ?>
+<?xml version="1.0" encoding="UTF-8" ?>
 <Grid
-    xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+    xmlns="http://xamarin.com/schemas/2014/forms"
     xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
     xmlns:controls="clr-namespace:Bit.App.Controls"
     x:Class="Bit.App.Controls.DateTimePicker"

src/App/Controls/DateTime/DateTimePicker.xaml.cs

@@ -1,12 +1,6 @@
 using System.Runtime.CompilerServices;
-using Microsoft.Maui.Controls;
+using Xamarin.CommunityToolkit.UI.Views;
-using Microsoft.Maui;
+using Xamarin.Forms;
-using CommunityToolkit.Maui.Converters;
-using CommunityToolkit.Maui.ImageSources;
-using CommunityToolkit.Maui;
-using CommunityToolkit.Maui.Core;
-using CommunityToolkit.Maui.Layouts;
-using CommunityToolkit.Maui.Views;
 
 namespace Bit.App.Controls
 {

src/App/Controls/ExtendedCollectionView.cs

@@ -1,7 +1,6 @@
 using System.Linq;
-using CommunityToolkit.Maui.Converters;
+using Xamarin.CommunityToolkit.Converters;
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Controls
 {

src/App/Controls/ExtendedDatePicker.cs

@@ -1,6 +1,5 @@
 using System;
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Controls
 {

src/App/Controls/ExtendedGrid.cs

@@ -1,5 +1,4 @@
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Controls
 {

src/App/Controls/ExtendedSearchBar.cs

@@ -1,7 +1,5 @@
 using Bit.App.Utilities;
-using Microsoft.Maui.Graphics;
+using Xamarin.Forms;
-using Microsoft.Maui.Controls;
-using Microsoft.Maui;
 
 namespace Bit.App.Controls
 {
@@ -9,7 +7,6 @@ namespace Bit.App.Controls
     {
         public ExtendedSearchBar()
         {
-            // TODO Xamarin.Forms.Device.RuntimePlatform is no longer supported. Use Microsoft.Maui.Devices.DeviceInfo.Platform instead. For more details see https://learn.microsoft.com/en-us/dotnet/maui/migration/forms-projects#device-changes
             if (Device.RuntimePlatform == Device.iOS)
             {
                 if (ThemeManager.UsingLightTheme)

src/App/Controls/ExtendedSlider.cs

@@ -1,12 +1,11 @@
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Controls
 {
     public class ExtendedSlider : Slider
     {
         public static readonly BindableProperty ThumbBorderColorProperty = BindableProperty.Create(
-            nameof(ThumbBorderColor), typeof(Color), typeof(ExtendedSlider), Color.FromArgb("b5b5b5"));
+            nameof(ThumbBorderColor), typeof(Color), typeof(ExtendedSlider), Color.FromHex("b5b5b5"));
 
         public Color ThumbBorderColor
         {

src/App/Controls/ExtendedStackLayout.cs

@@ -1,5 +1,4 @@
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Controls
 {

src/App/Controls/ExtendedStepper.cs

@@ -1,16 +1,14 @@
-using Microsoft.Maui.Graphics;
+using Xamarin.Forms;
-using Microsoft.Maui.Controls;
-using Microsoft.Maui;
 
 namespace Bit.App.Controls
 {
     public class ExtendedStepper : Stepper
     {
         public static readonly BindableProperty StepperBackgroundColorProperty = BindableProperty.Create(
-            nameof(StepperBackgroundColor), typeof(Color), typeof(ExtendedStepper), Colors.White);
+            nameof(StepperBackgroundColor), typeof(Color), typeof(ExtendedStepper), Color.White);
 
         public static readonly BindableProperty StepperForegroundColorProperty = BindableProperty.Create(
-            nameof(StepperForegroundColor), typeof(Color), typeof(ExtendedStepper), Colors.Black);
+            nameof(StepperForegroundColor), typeof(Color), typeof(ExtendedStepper), Color.Black);
 
         public Color StepperBackgroundColor
         {

src/App/Controls/ExtendedTimePicker.cs

@@ -1,6 +1,5 @@
 using System;
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Controls
 {

src/App/Controls/ExtendedToolbarItem.cs

@@ -1,6 +1,5 @@
 using System;
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Controls
 {

src/App/Controls/HybridWebView.cs

@@ -1,6 +1,5 @@
 using System;
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Controls
 {

src/App/Controls/IconButton.cs

@@ -1,6 +1,5 @@
 using Bit.App.Effects;
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Controls
 {
@@ -9,7 +8,6 @@ namespace Bit.App.Controls
         public IconButton()
         {
             Padding = 0;
-            // TODO Xamarin.Forms.Device.RuntimePlatform is no longer supported. Use Microsoft.Maui.Devices.DeviceInfo.Platform instead. For more details see https://learn.microsoft.com/en-us/dotnet/maui/migration/forms-projects#device-changes
             switch (Device.RuntimePlatform)
             {
                 case Device.iOS:

src/App/Controls/IconLabel.cs

@@ -1,6 +1,5 @@
 using Bit.App.Effects;
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Controls
 {
@@ -10,7 +9,6 @@ namespace Bit.App.Controls
 
         public IconLabel()
         {
-            // TODO Xamarin.Forms.Device.RuntimePlatform is no longer supported. Use Microsoft.Maui.Devices.DeviceInfo.Platform instead. For more details see https://learn.microsoft.com/en-us/dotnet/maui/migration/forms-projects#device-changes
             switch (Device.RuntimePlatform)
             {
                 case Device.iOS:

src/App/Controls/IconLabelButton/IconLabelButton.xaml

@@ -1,5 +1,5 @@
-<?xml version="1.0" encoding="UTF-8"?>
+<?xml version="1.0" encoding="UTF-8"?>
-<Frame xmlns="http://schemas.microsoft.com/dotnet/2021/maui" 
+<Frame xmlns="http://xamarin.com/schemas/2014/forms" 
     xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
     x:Class="Bit.App.Controls.IconLabelButton"
     xmlns:controls="clr-namespace:Bit.App.Controls"

src/App/Controls/IconLabelButton/IconLabelButton.xaml.cs

@@ -5,10 +5,8 @@ using System.Text;
 using System.Threading.Tasks;
 using System.Windows.Input;
 using Bit.Core.Models.Domain;
-using Microsoft.Maui.Controls.Xaml;
+using Xamarin.Forms;
-using Microsoft.Maui.Graphics;
+using Xamarin.Forms.Xaml;
-using Microsoft.Maui.Controls;
-using Microsoft.Maui;
 
 namespace Bit.App.Controls
 {
@@ -24,13 +22,13 @@ namespace Bit.App.Controls
             nameof(ButtonCommand), typeof(ICommand), typeof(IconLabelButton));
 
         public static readonly BindableProperty IconLabelColorProperty = BindableProperty.Create(
-            nameof(IconLabelColor), typeof(Color), typeof(IconLabelButton), Colors.White);
+            nameof(IconLabelColor), typeof(Color), typeof(IconLabelButton), Color.White);
 
         public static readonly BindableProperty IconLabelBackgroundColorProperty = BindableProperty.Create(
-            nameof(IconLabelBackgroundColor), typeof(Color), typeof(IconLabelButton), Colors.White);
+            nameof(IconLabelBackgroundColor), typeof(Color), typeof(IconLabelButton), Color.White);
 
         public static readonly BindableProperty IconLabelBorderColorProperty = BindableProperty.Create(
-            nameof(IconLabelBorderColor), typeof(Color), typeof(IconLabelButton), Colors.White);
+            nameof(IconLabelBorderColor), typeof(Color), typeof(IconLabelButton), Color.White);
 
         public IconLabelButton()
         {

src/App/Controls/MiButton.cs

@@ -1,5 +1,4 @@
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Controls
 {
@@ -8,7 +7,6 @@ namespace Bit.App.Controls
         public MiButton()
         {
             Padding = 0;
-            // TODO Xamarin.Forms.Device.RuntimePlatform is no longer supported. Use Microsoft.Maui.Devices.DeviceInfo.Platform instead. For more details see https://learn.microsoft.com/en-us/dotnet/maui/migration/forms-projects#device-changes
             switch (Device.RuntimePlatform)
             {
                 case Device.iOS:

src/App/Controls/MiLabel.cs

@@ -1,5 +1,4 @@
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Controls
 {
@@ -7,7 +6,6 @@ namespace Bit.App.Controls
     {
         public MiLabel()
         {
-            // TODO Xamarin.Forms.Device.RuntimePlatform is no longer supported. Use Microsoft.Maui.Devices.DeviceInfo.Platform instead. For more details see https://learn.microsoft.com/en-us/dotnet/maui/migration/forms-projects#device-changes
             switch (Device.RuntimePlatform)
             {
                 case Device.iOS:

src/App/Controls/MonoEntry.cs

@@ -1,5 +1,4 @@
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Controls
 {
@@ -7,7 +6,6 @@ namespace Bit.App.Controls
     {
         public MonoEntry()
         {
-            // TODO Xamarin.Forms.Device.RuntimePlatform is no longer supported. Use Microsoft.Maui.Devices.DeviceInfo.Platform instead. For more details see https://learn.microsoft.com/en-us/dotnet/maui/migration/forms-projects#device-changes
             switch (Device.RuntimePlatform)
             {
                 case Device.iOS:

src/App/Controls/MonoLabel.cs

@@ -1,5 +1,4 @@
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Controls
 {
@@ -7,7 +6,6 @@ namespace Bit.App.Controls
     {
         public MonoLabel()
         {
-            // TODO Xamarin.Forms.Device.RuntimePlatform is no longer supported. Use Microsoft.Maui.Devices.DeviceInfo.Platform instead. For more details see https://learn.microsoft.com/en-us/dotnet/maui/migration/forms-projects#device-changes
             switch (Device.RuntimePlatform)
             {
                 case Device.iOS:

src/App/Controls/PasswordStrengthProgressBar/PasswordStrengthProgressBar.xaml

@@ -1,6 +1,6 @@
-<?xml version="1.0" encoding="UTF-8" ?>
+<?xml version="1.0" encoding="UTF-8" ?>
 <StackLayout
-    xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+    xmlns="http://xamarin.com/schemas/2014/forms"
     xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
     xmlns:controls="clr-namespace:Bit.App.Controls"
     xmlns:u="clr-namespace:Bit.App.Utilities"

src/App/Controls/PasswordStrengthProgressBar/PasswordStrengthProgressBar.xaml.cs

@@ -1,7 +1,5 @@
 using System;
-using Microsoft.Maui.Graphics;
+using Xamarin.Forms;
-using Microsoft.Maui.Controls;
-using Microsoft.Maui;
 
 namespace Bit.App.Controls
 {
@@ -102,7 +100,7 @@ namespace Bit.App.Controls
                 case Controls.PasswordStrengthLevel.Strong:
                     return StrongColor;
                 default:
-                    return Colors.Transparent;
+                    return Color.Transparent;
             }
         }
     }

src/App/Controls/PasswordStrengthProgressBar/PasswordStrengthViewModel.cs

@@ -1,8 +1,7 @@
 using System.Collections.Generic;
 using Bit.Core.Abstractions;
 using Bit.Core.Utilities;
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Controls
 {

src/App/Controls/RepeaterView.cs

@@ -1,8 +1,7 @@
 using System;
 using System.Collections;
 using System.Collections.Specialized;
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Controls
 {

src/App/Controls/SelectableLabel.cs

@@ -1,6 +1,5 @@
 using System;
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Controls
 {

src/App/Controls/SendViewCell/SendViewCell.xaml

@@ -1,5 +1,5 @@
-<?xml version="1.0" encoding="UTF-8"?>
+<?xml version="1.0" encoding="UTF-8"?>
-<controls:ExtendedGrid xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+<controls:ExtendedGrid xmlns="http://xamarin.com/schemas/2014/forms"
     xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
     x:Class="Bit.App.Controls.SendViewCell"
     xmlns:controls="clr-namespace:Bit.App.Controls"

src/App/Controls/SendViewCell/SendViewCell.xaml.cs

@@ -2,8 +2,7 @@
 using Bit.App.Abstractions;
 using Bit.Core.Models.View;
 using Bit.Core.Utilities;
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Controls
 {

src/App/Effects/FabShadowEffect.cs

@@ -1,5 +1,4 @@
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Effects
 {

src/App/Effects/FixedSizeEffect.cs

@@ -1,5 +1,4 @@
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Effects
 {

src/App/Effects/NoEmojiKeyboardEffect.cs

@@ -1,6 +1,5 @@
 using System;
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Effects
 {

src/App/Effects/RemoveFontPaddingEffect.cs

@@ -1,6 +1,5 @@
 using System;
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Effects
 {

src/App/Effects/ScrollEnabledEffect.cs

@@ -1,5 +1,4 @@
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Effects
 {

src/App/Effects/ScrollViewContentInsetAdjustmentBehaviorEffect.cs

@@ -1,5 +1,4 @@
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Effects
 {

src/App/Effects/TabBarEffect.cs

@@ -1,5 +1,4 @@
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Effects
 {

src/App/Lists/DataTemplateSelectors/CustomFieldItemTemplateSelector.cs

@@ -1,6 +1,5 @@
 using Bit.App.Lists.ItemViewModels.CustomFields;
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Lists.DataTemplateSelectors
 {

src/App/Lists/ItemLayouts/CustomFields/BooleanCustomFieldItemLayout.xaml

@@ -1,6 +1,6 @@
-<?xml version="1.0" encoding="UTF-8" ?>
+<?xml version="1.0" encoding="UTF-8" ?>
 <StackLayout
-    xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+    xmlns="http://xamarin.com/schemas/2014/forms"
     xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
     x:Class="Bit.App.Lists.ItemLayouts.CustomFields.BooleanCustomFieldItemLayout"
     xmlns:u="clr-namespace:Bit.App.Utilities"

src/App/Lists/ItemLayouts/CustomFields/BooleanCustomFieldItemLayout.xaml.cs

@@ -1,5 +1,4 @@
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Lists.ItemLayouts.CustomFields
 {

src/App/Lists/ItemLayouts/CustomFields/HiddenCustomFieldItemLayout.xaml

@@ -1,5 +1,5 @@
-<?xml version="1.0" encoding="UTF-8"?>
+<?xml version="1.0" encoding="UTF-8"?>
-<StackLayout xmlns="http://schemas.microsoft.com/dotnet/2021/maui" 
+<StackLayout xmlns="http://xamarin.com/schemas/2014/forms" 
     xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
     x:Class="Bit.App.Lists.ItemLayouts.CustomFields.HiddenCustomFieldItemLayout"
     xmlns:controls="clr-namespace:Bit.App.Controls"

src/App/Lists/ItemLayouts/CustomFields/HiddenCustomFieldItemLayout.xaml.cs

@@ -1,5 +1,4 @@
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Lists.ItemLayouts.CustomFields
 {

src/App/Lists/ItemLayouts/CustomFields/LinkedCustomFieldItemLayout.xaml

@@ -1,5 +1,5 @@
-<?xml version="1.0" encoding="UTF-8"?>
+<?xml version="1.0" encoding="UTF-8"?>
-<StackLayout xmlns="http://schemas.microsoft.com/dotnet/2021/maui" 
+<StackLayout xmlns="http://xamarin.com/schemas/2014/forms" 
     xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
     x:Class="Bit.App.Lists.ItemLayouts.CustomFields.LinkedCustomFieldItemLayout"
     xmlns:controls="clr-namespace:Bit.App.Controls"

src/App/Lists/ItemLayouts/CustomFields/LinkedCustomFieldItemLayout.xaml.cs

@@ -1,5 +1,4 @@
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Lists.ItemLayouts.CustomFields
 {

src/App/Lists/ItemLayouts/CustomFields/TextCustomFieldItemLayout.xaml

@@ -1,5 +1,5 @@
-<?xml version="1.0" encoding="UTF-8"?>
+<?xml version="1.0" encoding="UTF-8"?>
-<StackLayout xmlns="http://schemas.microsoft.com/dotnet/2021/maui" 
+<StackLayout xmlns="http://xamarin.com/schemas/2014/forms" 
     xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
     x:Class="Bit.App.Lists.ItemLayouts.CustomFields.TextCustomFieldItemLayout"
     xmlns:controls="clr-namespace:Bit.App.Controls"

src/App/Lists/ItemLayouts/CustomFields/TextCustomFieldItemLayout.xaml.cs

@@ -1,5 +1,4 @@
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Lists.ItemLayouts.CustomFields
 {

src/App/Lists/ItemViewModels/CustomFields/BaseCustomFieldItemViewModel.cs

@@ -1,8 +1,7 @@
 using System.Windows.Input;
 using Bit.Core.Models.View;
 using Bit.Core.Utilities;
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Lists.ItemViewModels.CustomFields
 {

src/App/Lists/ItemViewModels/CustomFields/HiddenCustomFieldItemViewModel.cs

@@ -5,8 +5,7 @@ using Bit.App.Utilities;
 using Bit.Core.Abstractions;
 using Bit.Core.Models.View;
 using Xamarin.CommunityToolkit.ObjectModel;
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Lists.ItemViewModels.CustomFields
 {

src/App/Lists/ItemViewModels/CustomFields/TextCustomFieldItemViewModel.cs

@@ -1,7 +1,6 @@
 using System.Windows.Input;
 using Bit.Core.Models.View;
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Lists.ItemViewModels.CustomFields
 {

src/App/Pages/Accounts/BaseChangePasswordViewModel.cs

@@ -6,6 +6,7 @@ using Bit.Core;
 using Bit.Core.Abstractions;
 using Bit.Core.Models.Domain;
 using Bit.Core.Utilities;
+using Xamarin.Essentials;
 
 namespace Bit.App.Pages
 {

src/App/Pages/Accounts/DeleteAccountPage.xaml

@@ -1,6 +1,6 @@
-<?xml version="1.0" encoding="UTF-8" ?>
+<?xml version="1.0" encoding="UTF-8" ?>
 <pages:BaseContentPage
-    xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+    xmlns="http://xamarin.com/schemas/2014/forms"
     xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
     x:Class="Bit.App.Pages.Accounts.DeleteAccountPage"
     xmlns:pages="clr-namespace:Bit.App.Pages"

src/App/Pages/Accounts/DeleteAccountPage.xaml.cs

@@ -1,6 +1,5 @@
 using System;
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Pages.Accounts
 {

src/App/Pages/Accounts/DeleteAccountViewModel.cs

@@ -27,7 +27,7 @@ namespace Bit.App.Pages
         {
             try
             {
-                if (Microsoft.Maui.Networking.Connectivity.NetworkAccess == Microsoft.Maui.Networking.NetworkAccess.None)
+                if (Xamarin.Essentials.Connectivity.NetworkAccess == Xamarin.Essentials.NetworkAccess.None)
                 {
                     await _platformUtilsService.ShowDialogAsync(AppResources.InternetConnectionRequiredMessage,
                         AppResources.InternetConnectionRequiredTitle, AppResources.Ok);

src/App/Pages/Accounts/EnvironmentPage.xaml

@@ -1,6 +1,6 @@
-<?xml version="1.0" encoding="utf-8" ?>
+<?xml version="1.0" encoding="utf-8" ?>
 <pages:BaseContentPage 
-    xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+    xmlns="http://xamarin.com/schemas/2014/forms"
     xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
     x:Class="Bit.App.Pages.EnvironmentPage"
     xmlns:pages="clr-namespace:Bit.App.Pages"

src/App/Pages/Accounts/EnvironmentPage.xaml.cs

@@ -3,8 +3,7 @@ using System.Threading.Tasks;
 using Bit.App.Resources;
 using Bit.Core.Abstractions;
 using Bit.Core.Utilities;
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Pages
 {
@@ -19,7 +18,6 @@ namespace Bit.App.Pages
             InitializeComponent();
             _vm = BindingContext as EnvironmentPageViewModel;
             _vm.Page = this;
-            // TODO Xamarin.Forms.Device.RuntimePlatform is no longer supported. Use Microsoft.Maui.Devices.DeviceInfo.Platform instead. For more details see https://learn.microsoft.com/en-us/dotnet/maui/migration/forms-projects#device-changes
             if (Device.RuntimePlatform == Device.Android)
             {
                 ToolbarItems.RemoveAt(0);

src/App/Pages/Accounts/HintPage.xaml

@@ -1,6 +1,6 @@
-<?xml version="1.0" encoding="utf-8" ?>
+<?xml version="1.0" encoding="utf-8" ?>
 <pages:BaseContentPage 
-    xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+    xmlns="http://xamarin.com/schemas/2014/forms"
     xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
     x:Class="Bit.App.Pages.HintPage"
     xmlns:pages="clr-namespace:Bit.App.Pages"

src/App/Pages/Accounts/HintPage.xaml.cs

@@ -1,5 +1,4 @@
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Pages
 {
@@ -13,7 +12,6 @@ namespace Bit.App.Pages
             _vm = BindingContext as HintPageViewModel;
             _vm.Page = this;
             _vm.Email = email;
-            // TODO Xamarin.Forms.Device.RuntimePlatform is no longer supported. Use Microsoft.Maui.Devices.DeviceInfo.Platform instead. For more details see https://learn.microsoft.com/en-us/dotnet/maui/migration/forms-projects#device-changes
             if (Device.RuntimePlatform == Device.Android)
             {
                 ToolbarItems.RemoveAt(0);

src/App/Pages/Accounts/HintPageViewModel.cs

@@ -44,7 +44,7 @@ namespace Bit.App.Pages
 
         public async Task SubmitAsync()
         {
-            if (Microsoft.Maui.Networking.Connectivity.NetworkAccess == Microsoft.Maui.Networking.NetworkAccess.None)
+            if (Xamarin.Essentials.Connectivity.NetworkAccess == Xamarin.Essentials.NetworkAccess.None)
             {
                 await _platformUtilsService.ShowDialogAsync(AppResources.InternetConnectionRequiredMessage,
                     AppResources.InternetConnectionRequiredTitle);

src/App/Pages/Accounts/HomePage.xaml

@@ -1,6 +1,6 @@
-<?xml version="1.0" encoding="utf-8" ?>
+<?xml version="1.0" encoding="utf-8" ?>
 <pages:BaseContentPage 
-    xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+    xmlns="http://xamarin.com/schemas/2014/forms"
     xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
     x:Class="Bit.App.Pages.HomePage"
     xmlns:pages="clr-namespace:Bit.App.Pages"

src/App/Pages/Accounts/HomePage.xaml.cs

@@ -4,8 +4,7 @@ using Bit.App.Models;
 using Bit.App.Utilities;
 using Bit.Core.Abstractions;
 using Bit.Core.Utilities;
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Pages
 {

src/App/Pages/Accounts/HomePageViewModel.cs

@@ -7,17 +7,17 @@ using Bit.App.Utilities;
 using Bit.Core;
 using Bit.Core.Abstractions;
 using Bit.Core.Models.Data;
-using Bit.Core.Models.Response;
-using Bit.Core.Services;
 using Bit.Core.Utilities;
 using Xamarin.CommunityToolkit.ObjectModel;
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Pages
 {
     public class HomeViewModel : BaseViewModel
     {
+        private const string LOGGING_IN_ON_US = "bitwarden.com";
+        private const string LOGGING_IN_ON_EU = "bitwarden.eu";
+
         private readonly IStateService _stateService;
         private readonly IMessagingService _messagingService;
         private readonly IPlatformUtilsService _platformUtilsService;
@@ -30,8 +30,6 @@ namespace Bit.App.Pages
         private bool _rememberEmail;
         private string _email;
         private string _selectedEnvironmentName;
-        private bool _isEmailEnabled;
-        private bool _canLogin;
         private bool _displayEuEnvironment;
 
         public HomeViewModel()
@@ -52,9 +50,9 @@ namespace Bit.App.Pages
             };
             RememberEmailCommand = new Command(() => RememberEmail = !RememberEmail);
             ContinueCommand = new AsyncCommand(ContinueToLoginStepAsync, allowsMultipleExecutions: false);
-            CreateAccountCommand = new AsyncCommand(async () => Device.InvokeOnMainThreadAsync(StartRegisterAction),
+            CreateAccountCommand = new AsyncCommand(async () => await Device.InvokeOnMainThreadAsync(StartRegisterAction),
                 onException: _logger.Exception, allowsMultipleExecutions: false);
-            CloseCommand = new AsyncCommand(async () => Device.InvokeOnMainThreadAsync(CloseAction),
+            CloseCommand = new AsyncCommand(async () => await Device.InvokeOnMainThreadAsync(CloseAction),
                 onException: _logger.Exception, allowsMultipleExecutions: false);
             ShowEnvironmentPickerCommand = new AsyncCommand(ShowEnvironmentPickerAsync,
                 onException: _logger.Exception, allowsMultipleExecutions: false);
@@ -86,7 +84,7 @@ namespace Bit.App.Pages
             set => SetProperty(ref _selectedEnvironmentName, value);
         }
 
-        public string RegionText => $"{AppResources.Region}:";
+        public string RegionText => $"{AppResources.LoggingInOn}:";
         public bool CanContinue => !string.IsNullOrEmpty(Email);
 
         public FormattedString CreateAccountText
@@ -167,12 +165,12 @@ namespace Bit.App.Pages
         {
             _displayEuEnvironment = await _configService.GetFeatureFlagBoolAsync(Constants.DisplayEuEnvironmentFlag);
             var options = _displayEuEnvironment
-                    ? new string[] { AppResources.US, AppResources.EU, AppResources.SelfHosted }
+                    ? new string[] { LOGGING_IN_ON_US, LOGGING_IN_ON_EU, AppResources.SelfHosted }
-                    : new string[] { AppResources.US, AppResources.SelfHosted };
+                    : new string[] { LOGGING_IN_ON_US, AppResources.SelfHosted };
 
             await Device.InvokeOnMainThreadAsync(async () =>
             {
-                var result = await Page.DisplayActionSheet(AppResources.DataRegion, AppResources.Cancel, null, options);
+                var result = await Page.DisplayActionSheet(AppResources.LoggingInOn, AppResources.Cancel, null, options);
 
                 if (result is null || result == AppResources.Cancel)
                 {
@@ -185,7 +183,7 @@ namespace Bit.App.Pages
                     return;
                 }
 
-                await _environmentService.SetUrlsAsync(result == AppResources.EU ? EnvironmentUrlData.DefaultEU : EnvironmentUrlData.DefaultUS);
+                await _environmentService.SetUrlsAsync(result == LOGGING_IN_ON_EU ? EnvironmentUrlData.DefaultEU : EnvironmentUrlData.DefaultUS);
                 await _configService.GetAsync(true);
                 SelectedEnvironmentName = result;
             });
@@ -198,17 +196,17 @@ namespace Bit.App.Pages
             {
                 await _environmentService.SetUrlsAsync(EnvironmentUrlData.DefaultUS);
                 environmentsSaved = EnvironmentUrlData.DefaultUS;
-                SelectedEnvironmentName = AppResources.US;
+                SelectedEnvironmentName = LOGGING_IN_ON_US;
                 return;
             }
 
             if (environmentsSaved.Base == EnvironmentUrlData.DefaultUS.Base)
             {
-                SelectedEnvironmentName = AppResources.US;
+                SelectedEnvironmentName = LOGGING_IN_ON_US;
             }
             else if (environmentsSaved.Base == EnvironmentUrlData.DefaultEU.Base)
             {
-                SelectedEnvironmentName = AppResources.EU;
+                SelectedEnvironmentName = LOGGING_IN_ON_EU;
             }
             else
             {

src/App/Pages/Accounts/LockPage.xaml

@@ -1,6 +1,6 @@
-<?xml version="1.0" encoding="utf-8" ?>
+<?xml version="1.0" encoding="utf-8" ?>
 <pages:BaseContentPage 
-    xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+    xmlns="http://xamarin.com/schemas/2014/forms"
     xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
     x:Class="Bit.App.Pages.LockPage"
     xmlns:pages="clr-namespace:Bit.App.Pages"
@@ -46,7 +46,7 @@
                     <StackLayout StyleClass="box">
                         <Grid
                             StyleClass="box-row"
-                            IsVisible="{Binding PinLock}"
+                            IsVisible="{Binding PinEnabled}"
                             Padding="0, 10, 0, 0">
                             <Grid.RowDefinitions>
                                 <RowDefinition Height="Auto" />
@@ -89,7 +89,7 @@
                         <Grid
                             x:Name="_passwordGrid"
                             StyleClass="box-row"
-                            IsVisible="{Binding PinLock, Converter={StaticResource inverseBool}}"
+                            IsVisible="{Binding PinEnabled, Converter={StaticResource inverseBool}}"
                             Padding="0, 10, 0, 0">
                             <Grid.RowDefinitions>
                                 <RowDefinition Height="Auto" />

src/App/Pages/Accounts/LockPage.xaml.cs

@@ -6,8 +6,7 @@ using Bit.App.Utilities;
 using Bit.Core;
 using Bit.Core.Abstractions;
 using Bit.Core.Utilities;
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Pages
 {
@@ -21,17 +20,17 @@ namespace Bit.App.Pages
         private bool _promptedAfterResume;
         private bool _appeared;
 
-        public LockPage(AppOptions appOptions = null, bool autoPromptBiometric = true)
+        public LockPage(AppOptions appOptions = null, bool autoPromptBiometric = true, bool checkPendingAuthRequests = true)
         {
             _appOptions = appOptions;
             _autoPromptBiometric = autoPromptBiometric;
             InitializeComponent();
             _broadcasterService = ServiceContainer.Resolve<IBroadcasterService>();
             _vm = BindingContext as LockPageViewModel;
+            _vm.CheckPendingAuthRequests = checkPendingAuthRequests;
             _vm.Page = this;
             _vm.UnlockedAction = () => Device.BeginInvokeOnMainThread(async () => await UnlockedAsync());
 
-            // TODO Xamarin.Forms.Device.RuntimePlatform is no longer supported. Use Microsoft.Maui.Devices.DeviceInfo.Platform instead. For more details see https://learn.microsoft.com/en-us/dotnet/maui/migration/forms-projects#device-changes
             if (Device.RuntimePlatform == Device.iOS)
             {
                 ToolbarItems.Add(_moreItem);
@@ -46,7 +45,7 @@ namespace Bit.App.Pages
         {
             get
             {
-                if (_vm?.PinLock ?? false)
+                if (_vm?.PinEnabled ?? false)
                 {
                     return _pin;
                 }
@@ -56,7 +55,7 @@ namespace Bit.App.Pages
 
         public async Task PromptBiometricAfterResumeAsync()
         {
-            if (_vm.BiometricLock)
+            if (_vm.BiometricEnabled)
             {
                 await Task.Delay(500);
                 if (!_promptedAfterResume)
@@ -93,13 +92,13 @@ namespace Bit.App.Pages
 
             _vm.FocusSecretEntry += PerformFocusSecretEntry;
 
-            if (!_vm.BiometricLock)
+            if (!_vm.BiometricEnabled)
             {
                 RequestFocus(SecretEntry);
             }
             else
             {
-                if (_vm.UsingKeyConnector && !_vm.PinLock)
+                if (!_vm.HasMasterPassword && !_vm.PinEnabled)
                 {
                     _passwordGrid.IsVisible = false;
                     _unlockButton.IsVisible = false;

src/App/Pages/Accounts/LockPageViewModel.cs

@@ -11,9 +11,8 @@ using Bit.Core.Models.Domain;
 using Bit.Core.Models.Request;
 using Bit.Core.Services;
 using Bit.Core.Utilities;
-using CommunityToolkit.Maui.Converters;
+using Xamarin.CommunityToolkit.Helpers;
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Pages
 {
@@ -28,27 +27,27 @@ namespace Bit.App.Pages
         private readonly IEnvironmentService _environmentService;
         private readonly IStateService _stateService;
         private readonly IBiometricService _biometricService;
-        private readonly IKeyConnectorService _keyConnectorService;
+        private readonly IUserVerificationService _userVerificationService;
         private readonly ILogger _logger;
         private readonly IWatchDeviceService _watchDeviceService;
         private readonly WeakEventManager<int?> _secretEntryFocusWeakEventManager = new WeakEventManager<int?>();
         private readonly IPolicyService _policyService;
         private readonly IPasswordGenerationService _passwordGenerationService;
-
+        private IDeviceTrustCryptoService _deviceTrustCryptoService;
+        private readonly ISyncService _syncService;
         private string _email;
         private string _masterPassword;
         private string _pin;
         private bool _showPassword;
-        private bool _pinLock;
+        private PinLockType _pinStatus;
-        private bool _biometricLock;
+        private bool _pinEnabled;
+        private bool _biometricEnabled;
         private bool _biometricIntegrityValid = true;
         private bool _biometricButtonVisible;
-        private bool _usingKeyConnector;
+        private bool _hasMasterPassword;
         private string _biometricButtonText;
         private string _loggedInAsText;
         private string _lockedVerifyText;
-        private bool _isPinProtected;
-        private bool _isPinProtectedWithKey;
 
         public LockPageViewModel()
         {
@@ -61,11 +60,13 @@ namespace Bit.App.Pages
             _environmentService = ServiceContainer.Resolve<IEnvironmentService>("environmentService");
             _stateService = ServiceContainer.Resolve<IStateService>("stateService");
             _biometricService = ServiceContainer.Resolve<IBiometricService>("biometricService");
-            _keyConnectorService = ServiceContainer.Resolve<IKeyConnectorService>("keyConnectorService");
+            _userVerificationService = ServiceContainer.Resolve<IUserVerificationService>();
             _logger = ServiceContainer.Resolve<ILogger>("logger");
             _watchDeviceService = ServiceContainer.Resolve<IWatchDeviceService>();
             _policyService = ServiceContainer.Resolve<IPolicyService>();
             _passwordGenerationService = ServiceContainer.Resolve<IPasswordGenerationService>();
+            _deviceTrustCryptoService = ServiceContainer.Resolve<IDeviceTrustCryptoService>();
+            _syncService = ServiceContainer.Resolve<ISyncService>();
 
             PageTitle = AppResources.VerifyMasterPassword;
             TogglePasswordCommand = new Command(TogglePassword);
@@ -101,21 +102,21 @@ namespace Bit.App.Pages
                 });
         }
 
-        public bool PinLock
+        public bool PinEnabled
         {
-            get => _pinLock;
+            get => _pinEnabled;
-            set => SetProperty(ref _pinLock, value);
+            set => SetProperty(ref _pinEnabled, value);
         }
 
-        public bool UsingKeyConnector
+        public bool HasMasterPassword
         {
-            get => _usingKeyConnector;
+            get => _hasMasterPassword;
         }
 
-        public bool BiometricLock
+        public bool BiometricEnabled
         {
-            get => _biometricLock;
+            get => _biometricEnabled;
-            set => SetProperty(ref _biometricLock, value);
+            set => SetProperty(ref _biometricEnabled, value);
         }
 
         public bool BiometricIntegrityValid
@@ -148,6 +149,8 @@ namespace Bit.App.Pages
             set => SetProperty(ref _lockedVerifyText, value);
         }
 
+        public bool CheckPendingAuthRequests { get; set; }
+
         public AccountSwitchingOverlayViewModel AccountSwitchingOverlayViewModel { get; }
 
         public Command SubmitCommand { get; }
@@ -163,18 +166,32 @@ namespace Bit.App.Pages
 
         public async Task InitAsync()
         {
-            (_isPinProtected, _isPinProtectedWithKey) = await _vaultTimeoutService.IsPinLockSetAsync();
+            var pendingRequest = await _stateService.GetPendingAdminAuthRequestAsync();
-            PinLock = (_isPinProtected && await _stateService.GetPinProtectedKeyAsync() != null) ||
+            if (pendingRequest != null && CheckPendingAuthRequests)
-                      _isPinProtectedWithKey;
-            BiometricLock = await _vaultTimeoutService.IsBiometricLockSetAsync() && await _cryptoService.HasKeyAsync();
-
-            // Users with key connector and without biometric or pin has no MP to unlock with
-            _usingKeyConnector = await _keyConnectorService.GetUsesKeyConnector();
-            if (_usingKeyConnector && !(BiometricLock || PinLock))
             {
                 await _vaultTimeoutService.LogOutAsync();
                 return;
             }
+
+            _pinStatus = await _vaultTimeoutService.GetPinLockTypeAsync();
+
+            var ephemeralPinSet = await _stateService.GetPinKeyEncryptedUserKeyEphemeralAsync()
+                ?? await _stateService.GetPinProtectedKeyAsync();
+            PinEnabled = (_pinStatus == PinLockType.Transient && ephemeralPinSet != null) ||
+                      _pinStatus == PinLockType.Persistent;
+            BiometricEnabled = await _vaultTimeoutService.IsBiometricLockSetAsync() && await _biometricService.CanUseBiometricsUnlockAsync();
+
+            // Users without MP and without biometric or pin has no MP to unlock with
+            _hasMasterPassword = await _userVerificationService.HasMasterPasswordAsync();
+            if (await _stateService.IsAuthenticatedAsync()
+                 && !_hasMasterPassword
+                 && !BiometricEnabled
+                 && !PinEnabled)
+            {
+                await _vaultTimeoutService.LogOutAsync();
+                return;
+            }
+
             _email = await _stateService.GetEmailAsync();
             if (string.IsNullOrWhiteSpace(_email))
             {
@@ -189,26 +206,18 @@ namespace Bit.App.Pages
             }
             var webVaultHostname = CoreHelpers.GetHostname(webVault);
             LoggedInAsText = string.Format(AppResources.LoggedInAsOn, _email, webVaultHostname);
-            if (PinLock)
+            if (PinEnabled)
             {
                 PageTitle = AppResources.VerifyPIN;
                 LockedVerifyText = AppResources.VaultLockedPIN;
             }
             else
             {
-                if (_usingKeyConnector)
+                PageTitle = _hasMasterPassword ? AppResources.VerifyMasterPassword : AppResources.UnlockVault;
-                {
+                LockedVerifyText = _hasMasterPassword ? AppResources.VaultLockedMasterPassword : AppResources.VaultLockedIdentity;
-                    PageTitle = AppResources.UnlockVault;
-                    LockedVerifyText = AppResources.VaultLockedIdentity;
-                }
-                else
-                {
-                    PageTitle = AppResources.VerifyMasterPassword;
-                    LockedVerifyText = AppResources.VaultLockedMasterPassword;
-                }
             }
 
-            if (BiometricLock)
+            if (BiometricEnabled)
             {
                 BiometricIntegrityValid = await _platformUtilsService.IsBiometricIntegrityValidAsync();
                 if (!_biometricIntegrityValid)
@@ -218,7 +227,6 @@ namespace Bit.App.Pages
                 }
                 BiometricButtonVisible = true;
                 BiometricButtonText = AppResources.UseBiometricsToUnlock;
-                // TODO Xamarin.Forms.Device.RuntimePlatform is no longer supported. Use Microsoft.Maui.Devices.DeviceInfo.Platform instead. For more details see https://learn.microsoft.com/en-us/dotnet/maui/migration/forms-projects#device-changes
                 if (Device.RuntimePlatform == Device.iOS)
                 {
                     var supportsFace = await _deviceActionService.SupportsFaceBiometricAsync();
@@ -231,14 +239,14 @@ namespace Bit.App.Pages
 
         public async Task SubmitAsync()
         {
-            if (PinLock && string.IsNullOrWhiteSpace(Pin))
+            if (PinEnabled && string.IsNullOrWhiteSpace(Pin))
             {
                 await Page.DisplayAlert(AppResources.AnErrorHasOccurred,
                     string.Format(AppResources.ValidationFieldRequired, AppResources.PIN),
                     AppResources.Ok);
                 return;
             }
-            if (!PinLock && string.IsNullOrWhiteSpace(MasterPassword))
+            if (!PinEnabled && string.IsNullOrWhiteSpace(MasterPassword))
             {
                 await Page.DisplayAlert(AppResources.AnErrorHasOccurred,
                     string.Format(AppResources.ValidationFieldRequired, AppResources.MasterPassword),
@@ -249,34 +257,54 @@ namespace Bit.App.Pages
             ShowPassword = false;
             var kdfConfig = await _stateService.GetActiveUserCustomDataAsync(a => new KdfConfig(a?.Profile));
 
-            if (PinLock)
+            if (PinEnabled)
             {
                 var failed = true;
                 try
                 {
-                    if (_isPinProtected)
+                    EncString userKeyPin = null;
+                    EncString oldPinProtected = null;
+                    if (_pinStatus == PinLockType.Persistent)
                     {
-                        var key = await _cryptoService.MakeKeyFromPinAsync(Pin, _email,
+                        userKeyPin = await _stateService.GetPinKeyEncryptedUserKeyAsync();
+                        var oldEncryptedKey = await _stateService.GetPinProtectedAsync();
+                        oldPinProtected = oldEncryptedKey != null ? new EncString(oldEncryptedKey) : null;
+                    }
+                    else if (_pinStatus == PinLockType.Transient)
+                    {
+                        userKeyPin = await _stateService.GetPinKeyEncryptedUserKeyEphemeralAsync();
+                        oldPinProtected = await _stateService.GetPinProtectedKeyAsync();
+                    }
+
+                    UserKey userKey;
+                    if (oldPinProtected != null)
+                    {
+                        userKey = await _cryptoService.DecryptAndMigrateOldPinKeyAsync(
+                            _pinStatus == PinLockType.Transient,
+                            Pin,
+                            _email,
                             kdfConfig,
-                            await _stateService.GetPinProtectedKeyAsync());
+                            oldPinProtected
-                        var encKey = await _cryptoService.GetEncKeyAsync(key);
+                        );
-                        var protectedPin = await _stateService.GetProtectedPinAsync();
-                        var decPin = await _cryptoService.DecryptToUtf8Async(new EncString(protectedPin), encKey);
-                        failed = decPin != Pin;
-                        if (!failed)
-                        {
-                            Pin = string.Empty;
-                            await AppHelpers.ResetInvalidUnlockAttemptsAsync();
-                            await SetKeyAndContinueAsync(key);
-                        }
                     }
                     else
                     {
-                        var key = await _cryptoService.MakeKeyFromPinAsync(Pin, _email, kdfConfig);
+                        userKey = await _cryptoService.DecryptUserKeyWithPinAsync(
-                        failed = false;
+                            Pin,
+                            _email,
+                            kdfConfig,
+                            userKeyPin
+                        );
+                    }
+
+                    var protectedPin = await _stateService.GetProtectedPinAsync();
+                    var decryptedPin = await _cryptoService.DecryptToUtf8Async(new EncString(protectedPin), userKey);
+                    failed = decryptedPin != Pin;
+                    if (!failed)
+                    {
                         Pin = string.Empty;
                         await AppHelpers.ResetInvalidUnlockAttemptsAsync();
-                        await SetKeyAndContinueAsync(key);
+                        await SetUserKeyAndContinueAsync(userKey);
                     }
                 }
                 catch
@@ -297,19 +325,21 @@ namespace Bit.App.Pages
             }
             else
             {
-                var key = await _cryptoService.MakeKeyAsync(MasterPassword, _email, kdfConfig);
+                var masterKey = await _cryptoService.MakeMasterKeyAsync(MasterPassword, _email, kdfConfig);
-                var storedKeyHash = await _cryptoService.GetKeyHashAsync();
+                var storedKeyHash = await _cryptoService.GetMasterKeyHashAsync();
                 var passwordValid = false;
                 MasterPasswordPolicyOptions enforcedMasterPasswordOptions = null;
 
                 if (storedKeyHash != null)
                 {
-                    passwordValid = await _cryptoService.CompareAndUpdateKeyHashAsync(MasterPassword, key);
+                    // Offline unlock possible
+                    passwordValid = await _cryptoService.CompareAndUpdateKeyHashAsync(MasterPassword, masterKey);
                 }
                 else
                 {
+                    // Online unlock required
                     await _deviceActionService.ShowLoadingAsync(AppResources.Loading);
-                    var keyHash = await _cryptoService.HashPasswordAsync(MasterPassword, key, HashPurpose.ServerAuthorization);
+                    var keyHash = await _cryptoService.HashMasterKeyAsync(MasterPassword, masterKey, HashPurpose.ServerAuthorization);
                     var request = new PasswordVerificationRequest();
                     request.MasterPasswordHash = keyHash;
 
@@ -318,8 +348,8 @@ namespace Bit.App.Pages
                         var response = await _apiService.PostAccountVerifyPasswordAsync(request);
                         enforcedMasterPasswordOptions = response.MasterPasswordPolicy;
                         passwordValid = true;
-                        var localKeyHash = await _cryptoService.HashPasswordAsync(MasterPassword, key, HashPurpose.LocalAuthorization);
+                        var localKeyHash = await _cryptoService.HashMasterKeyAsync(MasterPassword, masterKey, HashPurpose.LocalAuthorization);
-                        await _cryptoService.SetKeyHashAsync(localKeyHash);
+                        await _cryptoService.SetMasterKeyHashAsync(localKeyHash);
                     }
                     catch (Exception e)
                     {
@@ -329,15 +359,6 @@ namespace Bit.App.Pages
                 }
                 if (passwordValid)
                 {
-                    if (_isPinProtected)
-                    {
-                        var protectedPin = await _stateService.GetProtectedPinAsync();
-                        var encKey = await _cryptoService.GetEncKeyAsync(key);
-                        var decPin = await _cryptoService.DecryptToUtf8Async(new EncString(protectedPin), encKey);
-                        var pinKey = await _cryptoService.MakePinKeyAysnc(decPin, _email, kdfConfig);
-                        await _stateService.SetPinProtectedKeyAsync(await _cryptoService.EncryptAsync(key.Key, pinKey));
-                    }
-
                     if (await RequirePasswordChangeAsync(enforcedMasterPasswordOptions))
                     {
                         // Save the ForcePasswordResetReason to force a password reset after unlock
@@ -347,10 +368,13 @@ namespace Bit.App.Pages
 
                     MasterPassword = string.Empty;
                     await AppHelpers.ResetInvalidUnlockAttemptsAsync();
-                    await SetKeyAndContinueAsync(key);
+
+                    var userKey = await _cryptoService.DecryptUserKeyWithMasterKeyAsync(masterKey);
+                    await _cryptoService.SetMasterKeyAsync(masterKey);
+                    await SetUserKeyAndContinueAsync(userKey);
 
                     // Re-enable biometrics
-                    if (BiometricLock & !BiometricIntegrityValid)
+                    if (BiometricEnabled & !BiometricIntegrityValid)
                     {
                         await _biometricService.SetupBiometricAsync();
                     }
@@ -427,7 +451,7 @@ namespace Bit.App.Pages
         public void TogglePassword()
         {
             ShowPassword = !ShowPassword;
-            var secret = PinLock ? Pin : MasterPassword;
+            var secret = PinEnabled ? Pin : MasterPassword;
             _secretEntryFocusWeakEventManager.RaiseEvent(string.IsNullOrEmpty(secret) ? 0 : secret.Length, nameof(FocusSecretEntry));
         }
 
@@ -435,32 +459,35 @@ namespace Bit.App.Pages
         {
             BiometricIntegrityValid = await _platformUtilsService.IsBiometricIntegrityValidAsync();
             BiometricButtonVisible = BiometricIntegrityValid;
-            if (!BiometricLock || !BiometricIntegrityValid)
+            if (!BiometricEnabled || !BiometricIntegrityValid)
             {
                 return;
             }
             var success = await _platformUtilsService.AuthenticateBiometricAsync(null,
-                PinLock ? AppResources.PIN : AppResources.MasterPassword,
+                PinEnabled ? AppResources.PIN : AppResources.MasterPassword,
                 () => _secretEntryFocusWeakEventManager.RaiseEvent((int?)null, nameof(FocusSecretEntry)));
             await _stateService.SetBiometricLockedAsync(!success);
             if (success)
             {
-                await DoContinueAsync();
+                var userKey = await _cryptoService.GetBiometricUnlockKeyAsync();
+                await SetUserKeyAndContinueAsync(userKey);
             }
         }
 
-        private async Task SetKeyAndContinueAsync(SymmetricCryptoKey key)
+        private async Task SetUserKeyAndContinueAsync(UserKey key)
         {
-            var hasKey = await _cryptoService.HasKeyAsync();
+            var hasKey = await _cryptoService.HasUserKeyAsync();
             if (!hasKey)
             {
-                await _cryptoService.SetKeyAsync(key);
+                await _cryptoService.SetUserKeyAsync(key);
             }
+            await _deviceTrustCryptoService.TrustDeviceIfNeededAsync();
             await DoContinueAsync();
         }
 
         private async Task DoContinueAsync()
         {
+            _syncService.FullSyncAsync(false).FireAndForget();
             await _stateService.SetBiometricLockedAsync(false);
             _watchDeviceService.SyncDataToWatchAsync().FireAndForget();
             _messagingService.Send("unlocked");

src/App/Pages/Accounts/LoginApproveDevicePage.xaml

@@ -0,0 +1,76 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<pages:BaseContentPage 
+    xmlns="http://xamarin.com/schemas/2014/forms"
+    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+    x:Class="Bit.App.Pages.LoginApproveDevicePage"
+    xmlns:pages="clr-namespace:Bit.App.Pages"
+    xmlns:u="clr-namespace:Bit.App.Utilities"
+    x:DataType="pages:LoginApproveDeviceViewModel"
+    x:Name="_page"
+    Title="{Binding PageTitle}">
+    
+    <ContentPage.BindingContext>
+        <pages:LoginApproveDeviceViewModel />
+    </ContentPage.BindingContext>
+
+    <StackLayout Padding="10, 10">
+        <StackLayout Padding="5, 10" Orientation="Horizontal">
+            <StackLayout HorizontalOptions="FillAndExpand">
+                <Label
+                    StyleClass="text-md"
+                    Text="{u:I18n RememberThisDevice}"/>
+                <Label
+                    StyleClass="box-sub-label"
+                    Text="{u:I18n TurnOffUsingPublicDevice}"/>
+            </StackLayout>
+            <Switch
+                Scale="0.8"
+                IsToggled="{Binding RememberThisDevice}"
+                VerticalOptions="Center"/>
+        </StackLayout>
+        <StackLayout Margin="0, 20, 0, 0">
+            <Button
+                x:Name="_continue"
+                Text="{u:I18n Continue}" 
+                StyleClass="btn-primary"
+                Command="{Binding ContinueCommand}"
+                IsVisible="{Binding IsNewUser}"/>
+            <Button
+                x:Name="_approveWithMyOtherDevice"
+                Text="{u:I18n ApproveWithMyOtherDevice}" 
+                StyleClass="btn-primary"
+                Command="{Binding ApproveWithMyOtherDeviceCommand}"
+                IsVisible="{Binding ApproveWithMyOtherDeviceEnabled}"/>
+            <Button
+                x:Name="_requestAdminApproval"
+                Text="{u:I18n RequestAdminApproval}" 
+                StyleClass="box-button-row"
+                Command="{Binding RequestAdminApprovalCommand}"
+                IsVisible="{Binding RequestAdminApprovalEnabled}"/>
+            <Button
+                x:Name="_approveWithMasterPassword"
+                Text="{u:I18n ApproveWithMasterPassword}" 
+                StyleClass="box-button-row"
+                Command="{Binding ApproveWithMasterPasswordCommand}"
+                IsVisible="{Binding ApproveWithMasterPasswordEnabled}"/>
+            <Label
+                Text="{Binding LoggingInAsText}"
+                StyleClass="text-sm"
+                Margin="0,40,0,0"
+                AutomationId="LoggingInAsLabel"
+                />
+            <Label
+                Text="{u:I18n NotYou}"
+                StyleClass="text-md"
+                HorizontalOptions="Start"
+                TextColor="{DynamicResource HyperlinkColor}"
+                AutomationId="NotYouLabel">
+                <Label.GestureRecognizers>
+                    <TapGestureRecognizer Command="{Binding LogoutCommand}" />
+                </Label.GestureRecognizers>
+            </Label>
+        </StackLayout>
+    </StackLayout>
+</pages:BaseContentPage>
+
+

src/App/Pages/Accounts/LoginApproveDevicePage.xaml.cs

@@ -0,0 +1,64 @@
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using Bit.App.Models;
+using Bit.App.Utilities;
+using Bit.Core.Enums;
+using Bit.Core.Utilities;
+using Xamarin.Forms;
+
+namespace Bit.App.Pages
+{
+    public partial class LoginApproveDevicePage : BaseContentPage
+    {
+
+        private readonly LoginApproveDeviceViewModel _vm;
+        private readonly AppOptions _appOptions;
+
+        public LoginApproveDevicePage(AppOptions appOptions = null)
+        {
+            InitializeComponent();
+            _vm = BindingContext as LoginApproveDeviceViewModel;
+            _vm.LogInWithMasterPasswordAction = () => StartLogInWithMasterPasswordAsync().FireAndForget();
+            _vm.LogInWithDeviceAction = () => StartLoginWithDeviceAsync().FireAndForget();
+            _vm.RequestAdminApprovalAction = () => RequestAdminApprovalAsync().FireAndForget();
+            _vm.ContinueToVaultAction = () => ContinueToVaultAsync().FireAndForget();
+            _vm.Page = this;
+            _appOptions = appOptions;
+        }
+
+        protected override void OnAppearing()
+        {
+            _vm.InitAsync();
+        }
+
+        private async Task ContinueToVaultAsync()
+        {
+            if (AppHelpers.SetAlternateMainPage(_appOptions))
+            {
+                return;
+            }
+            var previousPage = await AppHelpers.ClearPreviousPage();
+            Application.Current.MainPage = new TabsPage(_appOptions, previousPage);
+        }
+
+        private async Task StartLogInWithMasterPasswordAsync()
+        {
+            var page = new LockPage(_appOptions, checkPendingAuthRequests: false);
+            await Navigation.PushModalAsync(new NavigationPage(page));
+        }
+
+        private async Task StartLoginWithDeviceAsync()
+        {
+            var page = new LoginPasswordlessRequestPage(_vm.Email, AuthRequestType.AuthenticateAndUnlock, _appOptions);
+            await Navigation.PushModalAsync(new NavigationPage(page));
+        }
+
+        private async Task RequestAdminApprovalAsync()
+        {
+            var page = new LoginPasswordlessRequestPage(_vm.Email, AuthRequestType.AdminApproval, _appOptions);
+            await Navigation.PushModalAsync(new NavigationPage(page));
+        }
+    }
+}
+

src/App/Pages/Accounts/LoginApproveDeviceViewModel.cs

@@ -0,0 +1,150 @@
+using System;
+using System.Security.Cryptography.X509Certificates;
+using System.Threading.Tasks;
+using System.Windows.Input;
+using Bit.App.Abstractions;
+using Bit.App.Resources;
+using Bit.App.Utilities.AccountManagement;
+using Bit.Core.Abstractions;
+using Bit.Core.Enums;
+using Bit.Core.Models.Domain;
+using Bit.Core.Models.Request;
+using Bit.Core.Services;
+using Bit.Core.Utilities;
+using Xamarin.CommunityToolkit.ObjectModel;
+using Xamarin.Essentials;
+using Xamarin.Forms;
+
+namespace Bit.App.Pages
+{
+    public class LoginApproveDeviceViewModel : BaseViewModel
+    {
+        private bool _rememberThisDevice;
+        private bool _approveWithMyOtherDeviceEnabled;
+        private bool _requestAdminApprovalEnabled;
+        private bool _approveWithMasterPasswordEnabled;
+        private string _email;
+        private readonly IStateService _stateService;
+        private readonly IApiService _apiService;
+        private IDeviceTrustCryptoService _deviceTrustCryptoService;
+        private readonly IAuthService _authService;
+        private readonly ISyncService _syncService;
+        private readonly IMessagingService _messagingService;
+
+        public ICommand ApproveWithMyOtherDeviceCommand { get; }
+        public ICommand RequestAdminApprovalCommand { get; }
+        public ICommand ApproveWithMasterPasswordCommand { get; }
+        public ICommand ContinueCommand { get; }
+        public ICommand LogoutCommand { get; }
+
+        public Action LogInWithMasterPasswordAction { get; set; }
+        public Action LogInWithDeviceAction { get; set; }
+        public Action RequestAdminApprovalAction { get; set; }
+        public Action ContinueToVaultAction { get; set; }
+
+        public LoginApproveDeviceViewModel()
+        {
+            _stateService = ServiceContainer.Resolve<IStateService>();
+            _apiService = ServiceContainer.Resolve<IApiService>();
+            _deviceTrustCryptoService = ServiceContainer.Resolve<IDeviceTrustCryptoService>();
+            _authService = ServiceContainer.Resolve<IAuthService>();
+            _syncService = ServiceContainer.Resolve<ISyncService>();
+            _messagingService = ServiceContainer.Resolve<IMessagingService>();
+
+            PageTitle = AppResources.LogInInitiated;
+            RememberThisDevice = true;
+
+            ApproveWithMyOtherDeviceCommand = new AsyncCommand(() => SetDeviceTrustAndInvokeAsync(LogInWithDeviceAction),
+                onException: ex => HandleException(ex),
+                allowsMultipleExecutions: false);
+
+            RequestAdminApprovalCommand = new AsyncCommand(() => SetDeviceTrustAndInvokeAsync(RequestAdminApprovalAction),
+                onException: ex => HandleException(ex),
+                allowsMultipleExecutions: false);
+
+            ApproveWithMasterPasswordCommand = new AsyncCommand(() => SetDeviceTrustAndInvokeAsync(LogInWithMasterPasswordAction),
+                onException: ex => HandleException(ex),
+                allowsMultipleExecutions: false);
+
+            ContinueCommand = new AsyncCommand(CreateNewSsoUserAsync,
+                onException: ex => HandleException(ex),
+                allowsMultipleExecutions: false);
+
+            LogoutCommand = new Command(() => _messagingService.Send(AccountsManagerMessageCommands.LOGOUT));
+        }
+
+        public string LoggingInAsText => string.Format(AppResources.LoggingInAsX, Email);
+
+        public bool RememberThisDevice
+        {
+            get => _rememberThisDevice;
+            set => SetProperty(ref _rememberThisDevice, value);
+        }
+
+        public bool ApproveWithMyOtherDeviceEnabled
+        {
+            get => _approveWithMyOtherDeviceEnabled;
+            set => SetProperty(ref _approveWithMyOtherDeviceEnabled, value);
+        }
+
+        public bool RequestAdminApprovalEnabled
+        {
+            get => _requestAdminApprovalEnabled;
+            set => SetProperty(ref _requestAdminApprovalEnabled, value,
+                additionalPropertyNames: new[] { nameof(IsNewUser) });
+        }
+
+        public bool ApproveWithMasterPasswordEnabled
+        {
+            get => _approveWithMasterPasswordEnabled;
+            set => SetProperty(ref _approveWithMasterPasswordEnabled, value,
+                additionalPropertyNames: new[] { nameof(IsNewUser) });
+        }
+
+        public bool IsNewUser => !RequestAdminApprovalEnabled && !ApproveWithMasterPasswordEnabled;
+
+        public string Email
+        {
+            get => _email;
+            set => SetProperty(ref _email, value, additionalPropertyNames:
+                new string[] {
+                    nameof(LoggingInAsText)
+                });
+        }
+
+        public async Task InitAsync()
+        {
+            try
+            {
+                Email = await _stateService.GetActiveUserEmailAsync();
+                var decryptOptions = await _stateService.GetAccountDecryptionOptions();
+                RequestAdminApprovalEnabled = decryptOptions?.TrustedDeviceOption?.HasAdminApproval ?? false;
+                ApproveWithMasterPasswordEnabled = decryptOptions?.HasMasterPassword ?? false;
+                ApproveWithMyOtherDeviceEnabled = decryptOptions?.TrustedDeviceOption?.HasLoginApprovingDevice ?? false;
+            }
+            catch (Exception ex)
+            {
+                HandleException(ex);
+            }
+        }
+
+        public async Task CreateNewSsoUserAsync()
+        {
+            await _authService.CreateNewSsoUserAsync(await _stateService.GetRememberedOrgIdentifierAsync());
+            if (RememberThisDevice)
+            {
+                await _deviceTrustCryptoService.TrustDeviceAsync();
+            }
+
+            _syncService.FullSyncAsync(true).FireAndForget();
+            await Device.InvokeOnMainThreadAsync(ContinueToVaultAction);
+        }
+
+        private async Task SetDeviceTrustAndInvokeAsync(Action action)
+        {
+            await _deviceTrustCryptoService.SetShouldTrustDeviceAsync(RememberThisDevice);
+            await Device.InvokeOnMainThreadAsync(action);
+        }
+    }
+}
+

src/App/Pages/Accounts/LoginPage.xaml

@@ -1,6 +1,6 @@
-<?xml version="1.0" encoding="utf-8" ?>
+<?xml version="1.0" encoding="utf-8" ?>
 <pages:BaseContentPage 
-    xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+    xmlns="http://xamarin.com/schemas/2014/forms"
     xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
     x:Class="Bit.App.Pages.LoginPage"
     xmlns:pages="clr-namespace:Bit.App.Pages"

src/App/Pages/Accounts/LoginPage.xaml.cs

@@ -4,11 +4,11 @@ using Bit.App.Models;
 using Bit.App.Utilities;
 using Bit.Core;
 using Bit.Core.Abstractions;
+using Bit.Core.Enums;
 using Bit.Core.Services;
 using Bit.Core.Utilities;
 using Xamarin.CommunityToolkit.ObjectModel;
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Pages
 {
@@ -49,7 +49,6 @@ namespace Bit.App.Pages
             _vm.Email = email;
             MasterPasswordEntry = _masterPassword;
 
-            // TODO Xamarin.Forms.Device.RuntimePlatform is no longer supported. Use Microsoft.Maui.Devices.DeviceInfo.Platform instead. For more details see https://learn.microsoft.com/en-us/dotnet/maui/migration/forms-projects#device-changes
             if (Device.RuntimePlatform == Device.iOS)
             {
                 ToolbarItems.Add(_moreItem);
@@ -95,7 +94,6 @@ namespace Bit.App.Pages
                 RequestFocus(_masterPassword);
                 _inputFocused = true;
             }
-            // TODO Xamarin.Forms.Device.RuntimePlatform is no longer supported. Use Microsoft.Maui.Devices.DeviceInfo.Platform instead. For more details see https://learn.microsoft.com/en-us/dotnet/maui/migration/forms-projects#device-changes
             if (Device.RuntimePlatform == Device.Android && !_vm.CanRemoveAccount)
             {
                 ToolbarItems.Add(_removeAccount);
@@ -138,7 +136,7 @@ namespace Bit.App.Pages
 
         private async Task StartLoginWithDeviceAsync()
         {
-            var page = new LoginPasswordlessRequestPage(_vm.Email, _appOptions);
+            var page = new LoginPasswordlessRequestPage(_vm.Email, AuthRequestType.AuthenticateAndUnlock, _appOptions);
             await Navigation.PushModalAsync(new NavigationPage(page));
         }
 

src/App/Pages/Accounts/LoginPageViewModel.cs

@@ -16,8 +16,7 @@ using Bit.Core.Models.View;
 using Bit.Core.Services;
 using Bit.Core.Utilities;
 using Xamarin.CommunityToolkit.ObjectModel;
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Pages
 {
@@ -182,7 +181,7 @@ namespace Bit.App.Pages
 
         public async Task LogInAsync(bool showLoading = true, bool checkForExistingAccount = false)
         {
-            if (Microsoft.Maui.Networking.Connectivity.NetworkAccess == Microsoft.Maui.Networking.NetworkAccess.None)
+            if (Xamarin.Essentials.Connectivity.NetworkAccess == Xamarin.Essentials.NetworkAccess.None)
             {
                 await _platformUtilsService.ShowDialogAsync(AppResources.InternetConnectionRequiredMessage,
                     AppResources.InternetConnectionRequiredTitle, AppResources.Ok);

src/App/Pages/Accounts/LoginPasswordlessPage.xaml

@@ -1,6 +1,6 @@
-<?xml version="1.0" encoding="UTF-8" ?>
+<?xml version="1.0" encoding="UTF-8" ?>
 <pages:BaseContentPage
-    xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+    xmlns="http://xamarin.com/schemas/2014/forms"
     xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
     x:Class="Bit.App.Pages.LoginPasswordlessPage"
     xmlns:pages="clr-namespace:Bit.App.Pages"

src/App/Pages/Accounts/LoginPasswordlessPage.xaml.cs

@@ -1,5 +1,4 @@
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Pages
 {

src/App/Pages/Accounts/LoginPasswordlessRequestPage.xaml

@@ -1,6 +1,6 @@
-<?xml version="1.0" encoding="UTF-8" ?>
+<?xml version="1.0" encoding="UTF-8" ?>
 <pages:BaseContentPage
-    xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+    xmlns="http://xamarin.com/schemas/2014/forms"
     xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
     x:Class="Bit.App.Pages.LoginPasswordlessRequestPage"
     xmlns:pages="clr-namespace:Bit.App.Pages"
@@ -21,17 +21,17 @@
         <StackLayout
             Padding="7, 0, 7, 20">
             <Label
-                Text="{u:I18n LogInInitiated}"
+                Text="{Binding Title}"
                 FontSize="Title"
                 FontAttributes="Bold"
                 Margin="0,14,0,21"
                 AutomationId="LogInInitiatedLabel" />
             <Label
-                Text="{u:I18n ANotificationHasBeenSentToYourDevice}"
+                Text="{Binding SubTitle}"
                 FontSize="Small"
                 Margin="0,0,0,10"/>
             <Label
-                Text="{u:I18n PleaseMakeSureYourVaultIsUnlockedAndTheFingerprintPhraseMatchesOnTheOtherDevice}"
+                Text="{Binding Description}"
                 FontSize="Small"
                 Margin="0,0,0,24"/>
             <Label
@@ -40,41 +40,39 @@
                 FontAttributes="Bold"/>
             <controls:MonoLabel
                 FormattedText="{Binding FingerprintPhrase}"
-                FontSize="Medium"
+                FontSize="Small"
                 TextColor="{DynamicResource FingerprintPhrase}"
                 AutomationId="FingerprintPhraseValue" />
             <Label
                 Text="{u:I18n ResendNotification}"
-                StyleClass="text-md"
+                IsVisible="{Binding ResendNotificationVisible}"
+                StyleClass="text-sm"
+                FontAttributes="Bold"
                 HorizontalOptions="Start"
-                Margin="0,40,0,0"
+                Margin="0,24,0,0"
                 TextColor="{DynamicResource HyperlinkColor}"
                 AutomationId="ResendNotificationButton">
                 <Label.GestureRecognizers>
                     <TapGestureRecognizer Command="{Binding CreatePasswordlessLoginCommand}" />
                 </Label.GestureRecognizers>
             </Label>
-            <StackLayout
+            <BoxView
-                Orientation="Horizontal"
+                HeightRequest="1"
-                Margin="0,30,0,0">
+                Margin="0,24,0,24"
-                <Label
+                Color="{DynamicResource DisabledIconColor}" />
-                    Text="{u:I18n NeedAnotherOption}"
+            <Label
-                    FontSize="Small"
+                Text="{Binding OtherOptions}"
-                    VerticalTextAlignment="End"/>
+                FontSize="Small"/>
-                <Label
+            <Label
-                    Text="{u:I18n ViewAllLoginOptions}"
+                Text="{u:I18n ViewAllLoginOptions}"
-                    StyleClass="text-md"
+                StyleClass="text-sm"
-                    VerticalTextAlignment="End"
+                FontAttributes="Bold"
-                    VerticalOptions="CenterAndExpand"
+                TextColor="{DynamicResource HyperlinkColor}"
-                    Margin="5, 0"
+                AutomationId="ViewAllLoginOptionsButton">
-                    TextColor="{DynamicResource HyperlinkColor}"
+                <Label.GestureRecognizers>
-                    AutomationId="ViewAllLoginOptionsButton">
+                    <TapGestureRecognizer Command="{Binding CloseCommand}" />
-                    <Label.GestureRecognizers>
+                </Label.GestureRecognizers>
-                        <TapGestureRecognizer Command="{Binding CloseCommand}" />
+            </Label>
-                    </Label.GestureRecognizers>
-                </Label>
-            </StackLayout>
-               
         </StackLayout>
     </ScrollView>
 </pages:BaseContentPage>

src/App/Pages/Accounts/LoginPasswordlessRequestPage.xaml.cs

@@ -3,8 +3,8 @@ using System.Collections.Generic;
 using System.Threading.Tasks;
 using Bit.App.Models;
 using Bit.App.Utilities;
-using Microsoft.Maui.Controls;
+using Bit.Core.Enums;
-using Microsoft.Maui;
+using Xamarin.Forms;
 
 namespace Bit.App.Pages
 {
@@ -13,13 +13,14 @@ namespace Bit.App.Pages
         private LoginPasswordlessRequestViewModel _vm;
         private readonly AppOptions _appOptions;
 
-        public LoginPasswordlessRequestPage(string email, AppOptions appOptions = null)
+        public LoginPasswordlessRequestPage(string email, AuthRequestType authRequestType, AppOptions appOptions = null)
         {
             InitializeComponent();
             _appOptions = appOptions;
             _vm = BindingContext as LoginPasswordlessRequestViewModel;
             _vm.Page = this;
             _vm.Email = email;
+            _vm.AuthRequestType = authRequestType;
             _vm.StartTwoFactorAction = () => Device.BeginInvokeOnMainThread(async () => await StartTwoFactorAsync());
             _vm.LogInSuccessAction = () => Device.BeginInvokeOnMainThread(async () => await LogInSuccessAsync());
             _vm.UpdateTempPasswordAction = () => Device.BeginInvokeOnMainThread(async () => await UpdateTempPasswordAsync());

src/App/Pages/Accounts/LoginPasswordlessRequestViewModel.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Net.Http;
 using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
@@ -12,11 +13,12 @@ using Bit.Core;
 using Bit.Core.Abstractions;
 using Bit.Core.Enums;
 using Bit.Core.Models.Domain;
+using Bit.Core.Models.Response;
 using Bit.Core.Services;
 using Bit.Core.Utilities;
 using Xamarin.CommunityToolkit.ObjectModel;
-using Microsoft.Maui.Controls;
+using Xamarin.Essentials;
-using Microsoft.Maui;
+using Xamarin.Forms;
 
 namespace Bit.App.Pages
 {
@@ -32,6 +34,9 @@ namespace Bit.App.Pages
         private IPlatformUtilsService _platformUtilsService;
         private IEnvironmentService _environmentService;
         private ILogger _logger;
+        private IDeviceTrustCryptoService _deviceTrustCryptoService;
+        private readonly ICryptoFunctionService _cryptoFunctionService;
+        private readonly ICryptoService _cryptoService;
 
         protected override II18nService i18nService => _i18nService;
         protected override IEnvironmentService environmentService => _environmentService;
@@ -44,6 +49,7 @@ namespace Bit.App.Pages
         private string _email;
         private string _requestId;
         private string _requestAccessCode;
+        private AuthRequestType _authRequestType;
         // Item1 publicKey, Item2 privateKey
         private Tuple<byte[], byte[]> _requestKeyPair;
 
@@ -57,8 +63,9 @@ namespace Bit.App.Pages
             _i18nService = ServiceContainer.Resolve<II18nService>();
             _stateService = ServiceContainer.Resolve<IStateService>();
             _logger = ServiceContainer.Resolve<ILogger>();
-
+            _deviceTrustCryptoService = ServiceContainer.Resolve<IDeviceTrustCryptoService>();
-            PageTitle = AppResources.LogInWithAnotherDevice;
+            _cryptoFunctionService = ServiceContainer.Resolve<ICryptoFunctionService>();
+            _cryptoService = ServiceContainer.Resolve<ICryptoService>();
 
             CreatePasswordlessLoginCommand = new AsyncCommand(CreatePasswordlessLoginAsync,
                 onException: ex => HandleException(ex),
@@ -77,6 +84,86 @@ namespace Bit.App.Pages
         public ICommand CreatePasswordlessLoginCommand { get; }
         public ICommand CloseCommand { get; }
 
+        public string HeaderTitle
+        {
+            get
+            {
+                switch (_authRequestType)
+                {
+                    case AuthRequestType.AuthenticateAndUnlock:
+                        return AppResources.LogInWithDevice;
+                    case AuthRequestType.AdminApproval:
+                        return AppResources.LogInInitiated;
+                    default:
+                        return string.Empty;
+                };
+            }
+        }
+
+        public string Title
+        {
+            get
+            {
+                switch (_authRequestType)
+                {
+                    case AuthRequestType.AuthenticateAndUnlock:
+                        return AppResources.LogInInitiated;
+                    case AuthRequestType.AdminApproval:
+                        return AppResources.AdminApprovalRequested;
+                    default:
+                        return string.Empty;
+                };
+            }
+        }
+
+        public string SubTitle
+        {
+            get
+            {
+                switch (_authRequestType)
+                {
+                    case AuthRequestType.AuthenticateAndUnlock:
+                        return AppResources.ANotificationHasBeenSentToYourDevice;
+                    case AuthRequestType.AdminApproval:
+                        return AppResources.YourRequestHasBeenSentToYourAdmin;
+                    default:
+                        return string.Empty;
+                };
+            }
+        }
+
+        public string Description
+        {
+            get
+            {
+                switch (_authRequestType)
+                {
+                    case AuthRequestType.AuthenticateAndUnlock:
+                        return AppResources.PleaseMakeSureYourVaultIsUnlockedAndTheFingerprintPhraseMatchesOnTheOtherDevice;
+                    case AuthRequestType.AdminApproval:
+                        return AppResources.YouWillBeNotifiedOnceApproved;
+                    default:
+                        return string.Empty;
+                };
+            }
+        }
+
+        public string OtherOptions
+        {
+            get
+            {
+                switch (_authRequestType)
+                {
+                    case AuthRequestType.AuthenticateAndUnlock:
+                        return AppResources.LogInWithDeviceMustBeSetUpInTheSettingsOfTheBitwardenAppNeedAnotherOption;
+                    case AuthRequestType.AdminApproval:
+                        return AppResources.TroubleLoggingIn;
+                    default:
+                        return string.Empty;
+                };
+            }
+        }
+
         public string FingerprintPhrase
         {
             get => _fingerprintPhrase;
@@ -89,6 +176,25 @@ namespace Bit.App.Pages
             set => SetProperty(ref _email, value);
         }
 
+        public AuthRequestType AuthRequestType
+        {
+            get => _authRequestType;
+            set
+            {
+                SetProperty(ref _authRequestType, value, additionalPropertyNames: new string[]
+                {
+                    nameof(Title),
+                    nameof(SubTitle),
+                    nameof(Description),
+                    nameof(OtherOptions),
+                    nameof(ResendNotificationVisible)
+                });
+                PageTitle = HeaderTitle;
+            }
+        }
+
+        public bool ResendNotificationVisible => AuthRequestType == AuthRequestType.AuthenticateAndUnlock;
+
         public void StartCheckLoginRequestStatus()
         {
             try
@@ -119,14 +225,22 @@ namespace Bit.App.Pages
 
         private async Task CheckLoginRequestStatus()
         {
-            if (string.IsNullOrEmpty(_requestId) || string.IsNullOrEmpty(_requestAccessCode))
+            if (string.IsNullOrEmpty(_requestId))
             {
                 return;
             }
 
             try
             {
-                var response = await _authService.GetPasswordlessLoginResponseAsync(_requestId, _requestAccessCode);
+                PasswordlessLoginResponse response = null;
+                if (await _stateService.IsAuthenticatedAsync())
+                {
+                    response = await _authService.GetPasswordlessLoginRequestByIdAsync(_requestId);
+                }
+                else
+                {
+                    response = await _authService.GetPasswordlessLoginResquestAsync(_requestId, _requestAccessCode);
+                }
 
                 if (response.RequestApproved == null || !response.RequestApproved.Value)
                 {
@@ -138,6 +252,12 @@ namespace Bit.App.Pages
                 var authResult = await _authService.LogInPasswordlessAsync(Email, _requestAccessCode, _requestId, _requestKeyPair.Item2, response.Key, response.MasterPasswordHash);
                 await AppHelpers.ResetInvalidUnlockAttemptsAsync();
 
+                if (authResult == null && await _stateService.IsAuthenticatedAsync())
+                {
+                    await HandleLoginCompleteAsync();
+                    return;
+                }
+
                 if (await HandleCaptchaAsync(authResult.CaptchaSiteKey, authResult.CaptchaNeeded, CheckLoginRequestStatus))
                 {
                     return;
@@ -153,8 +273,7 @@ namespace Bit.App.Pages
                 }
                 else
                 {
-                    _syncService.FullSyncAsync(true).FireAndForget();
+                    await HandleLoginCompleteAsync();
-                    LogInSuccessAction?.Invoke();
                 }
             }
             catch (Exception ex)
@@ -164,25 +283,70 @@ namespace Bit.App.Pages
             }
         }
 
+        private async Task HandleLoginCompleteAsync()
+        {
+            await _stateService.SetPendingAdminAuthRequestAsync(null);
+            _syncService.FullSyncAsync(true).FireAndForget();
+            LogInSuccessAction?.Invoke();
+        }
+
         private async Task CreatePasswordlessLoginAsync()
         {
             await Device.InvokeOnMainThreadAsync(() => _deviceActionService.ShowLoadingAsync(AppResources.Loading));
 
-            var response = await _authService.PasswordlessCreateLoginRequestAsync(_email);
+            PasswordlessLoginResponse response = null;
-            if (response != null)
+            var pendingRequest = await _stateService.GetPendingAdminAuthRequestAsync();
+            if (pendingRequest != null && _authRequestType == AuthRequestType.AdminApproval)
             {
-                FingerprintPhrase = response.FingerprintPhrase;
+                response = await _authService.GetPasswordlessLoginRequestByIdAsync(pendingRequest.Id);
-                _requestId = response.Id;
+                if (response == null || (response.IsAnswered && !response.RequestApproved.Value))
-                _requestAccessCode = response.RequestAccessCode;
+                {
-                _requestKeyPair = response.RequestKeyPair;
+                    // handle pending auth request not valid remove it from state
+                    await _stateService.SetPendingAdminAuthRequestAsync(null);
+                    pendingRequest = null;
+                    response = null;
+                }
+                else
+                {
+                    // Derive pubKey from privKey in state to avoid MITM attacks
+                    // Also generate FingerprintPhrase locally for the same reason
+                    var derivedPublicKey = await _cryptoFunctionService.RsaExtractPublicKeyAsync(pendingRequest.PrivateKey);
+                    response.FingerprintPhrase = string.Join("-", await _cryptoService.GetFingerprintAsync(Email, derivedPublicKey));
+                    response.RequestKeyPair = new Tuple<byte[], byte[]>(derivedPublicKey, pendingRequest.PrivateKey);
+                }
             }
 
+            if (response == null)
+            {
+                response = await _authService.PasswordlessCreateLoginRequestAsync(_email, AuthRequestType);
+            }
+
+            await HandlePasswordlessLoginAsync(response, pendingRequest == null && _authRequestType == AuthRequestType.AdminApproval);
             await _deviceActionService.HideLoadingAsync();
         }
 
+        private async Task HandlePasswordlessLoginAsync(PasswordlessLoginResponse response, bool createPendingAdminRequest)
+        {
+            if (response == null)
+            {
+                throw new ArgumentNullException(nameof(response));
+            }
+
+            if (createPendingAdminRequest)
+            {
+                var pendingAuthRequest = new PendingAdminAuthRequest { Id = response.Id, PrivateKey = response.RequestKeyPair.Item2 };
+                await _stateService.SetPendingAdminAuthRequestAsync(pendingAuthRequest);
+            }
+
+            FingerprintPhrase = response.FingerprintPhrase;
+            _requestId = response.Id;
+            _requestAccessCode = response.RequestAccessCode;
+            _requestKeyPair = response.RequestKeyPair;
+        }
+
         private void HandleException(Exception ex)
         {
-            Microsoft.Maui.ApplicationModel.MainThread.InvokeOnMainThreadAsync(async () =>
+            Xamarin.Essentials.MainThread.InvokeOnMainThreadAsync(async () =>
             {
                 await _deviceActionService.HideLoadingAsync();
                 await _platformUtilsService.ShowDialogAsync(AppResources.GenericErrorMessage);

src/App/Pages/Accounts/LoginPasswordlessViewModel.cs

@@ -13,8 +13,7 @@ using Bit.Core.Enums;
 using Bit.Core.Services;
 using Bit.Core.Utilities;
 using Xamarin.CommunityToolkit.ObjectModel;
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Pages
 {

src/App/Pages/Accounts/LoginSsoPage.xaml

@@ -1,6 +1,6 @@
-<?xml version="1.0" encoding="utf-8" ?>
+<?xml version="1.0" encoding="utf-8" ?>
 <pages:BaseContentPage 
-    xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+    xmlns="http://xamarin.com/schemas/2014/forms"
     xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
     x:Class="Bit.App.Pages.LoginSsoPage"
     xmlns:pages="clr-namespace:Bit.App.Pages"

src/App/Pages/Accounts/LoginSsoPage.xaml.cs

@@ -4,8 +4,7 @@ using Bit.App.Models;
 using Bit.App.Utilities;
 using Bit.Core.Abstractions;
 using Bit.Core.Utilities;
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Pages
 {
@@ -30,11 +29,12 @@ namespace Bit.App.Pages
             _vm.SsoAuthSuccessAction = () => Device.BeginInvokeOnMainThread(async () => await SsoAuthSuccessAsync());
             _vm.UpdateTempPasswordAction =
                 () => Device.BeginInvokeOnMainThread(async () => await UpdateTempPasswordAsync());
+            _vm.StartDeviceApprovalOptionsAction =
+                () => Device.BeginInvokeOnMainThread(async () => await StartDeviceApprovalOptionsAsync());
             _vm.CloseAction = async () =>
             {
                 await Navigation.PopModalAsync();
             };
-            // TODO Xamarin.Forms.Device.RuntimePlatform is no longer supported. Use Microsoft.Maui.Devices.DeviceInfo.Platform instead. For more details see https://learn.microsoft.com/en-us/dotnet/maui/migration/forms-projects#device-changes
             if (Device.RuntimePlatform == Device.Android)
             {
                 ToolbarItems.RemoveAt(0);
@@ -108,10 +108,17 @@ namespace Bit.App.Pages
             await Navigation.PushModalAsync(new NavigationPage(page));
         }
 
+        private async Task StartDeviceApprovalOptionsAsync()
+        {
+            var page = new LoginApproveDevicePage();
+            await Navigation.PushModalAsync(new NavigationPage(page));
+        }
+
         private async Task SsoAuthSuccessAsync()
         {
             RestoreAppOptionsFromCopy();
             await AppHelpers.ClearPreviousPage();
+
             if (await _vaultTimeoutService.IsLockedAsync())
             {
                 Application.Current.MainPage = new NavigationPage(new LockPage(_appOptions));

src/App/Pages/Accounts/LoginSsoPageViewModel.cs

@@ -9,8 +9,10 @@ using Bit.Core.Abstractions;
 using Bit.Core.Enums;
 using Bit.Core.Exceptions;
 using Bit.Core.Models.Domain;
+using Bit.Core.Services;
 using Bit.Core.Utilities;
 using Xamarin.CommunityToolkit.ObjectModel;
+using Xamarin.Essentials;
 
 namespace Bit.App.Pages
 {
@@ -28,6 +30,8 @@ namespace Bit.App.Pages
         private readonly IStateService _stateService;
         private readonly ILogger _logger;
         private readonly IOrganizationService _organizationService;
+        private readonly IDeviceTrustCryptoService _deviceTrustCryptoService;
+        private readonly ICryptoService _cryptoService;
 
         private string _orgIdentifier;
 
@@ -44,7 +48,8 @@ namespace Bit.App.Pages
             _stateService = ServiceContainer.Resolve<IStateService>("stateService");
             _logger = ServiceContainer.Resolve<ILogger>("logger");
             _organizationService = ServiceContainer.Resolve<IOrganizationService>();
-
+            _deviceTrustCryptoService = ServiceContainer.Resolve<IDeviceTrustCryptoService>();
+            _cryptoService = ServiceContainer.Resolve<ICryptoService>();
 
             PageTitle = AppResources.Bitwarden;
             LogInCommand = new AsyncCommand(LogInAsync, allowsMultipleExecutions: false);
@@ -60,6 +65,7 @@ namespace Bit.App.Pages
         public Action StartTwoFactorAction { get; set; }
         public Action StartSetPasswordAction { get; set; }
         public Action SsoAuthSuccessAction { get; set; }
+        public Action StartDeviceApprovalOptionsAction { get; set; }
         public Action CloseAction { get; set; }
         public Action UpdateTempPasswordAction { get; set; }
 
@@ -143,7 +149,6 @@ namespace Bit.App.Pages
                 authResult = await WebAuthenticator.AuthenticateAsync(new Uri(url),
                     new Uri(REDIRECT_URI));
 
-
                 var code = GetResultCode(authResult, state);
                 if (!string.IsNullOrEmpty(code))
                 {
@@ -196,28 +201,89 @@ namespace Bit.App.Pages
             try
             {
                 var response = await _authService.LogInSsoAsync(code, codeVerifier, REDIRECT_URI, orgId);
+                var decryptOptions = await _stateService.GetAccountDecryptionOptions();
                 await AppHelpers.ResetInvalidUnlockAttemptsAsync();
                 await _stateService.SetRememberedOrgIdentifierAsync(OrgIdentifier);
                 await _deviceActionService.HideLoadingAsync();
                 if (response.TwoFactor)
                 {
                     StartTwoFactorAction?.Invoke();
+                    return;
                 }
-                else if (response.ResetMasterPassword)
+
+                if (decryptOptions?.TrustedDeviceOption != null)
+                {
+                    var pendingRequest = await _stateService.GetPendingAdminAuthRequestAsync();
+                    // If user doesn't have a MP, but has reset password permission, they must set a MP
+                    if (!decryptOptions.HasMasterPassword &&
+                        decryptOptions.TrustedDeviceOption.HasManageResetPasswordPermission)
+                    {
+                        StartSetPasswordAction?.Invoke();
+                    }
+                    else if (response.ForcePasswordReset)
+                    {
+                        UpdateTempPasswordAction?.Invoke();
+                    }
+                    else if (await _deviceTrustCryptoService.IsDeviceTrustedAsync())
+                    {
+                        if (decryptOptions.TrustedDeviceOption.EncryptedPrivateKey == null && decryptOptions.TrustedDeviceOption.EncryptedUserKey == null)
+                        {
+                            await _deviceTrustCryptoService.RemoveTrustedDeviceAsync();
+                            StartDeviceApprovalOptionsAction?.Invoke();
+                        }
+                        else
+                        {
+                            _syncService.FullSyncAsync(true).FireAndForget();
+                            SsoAuthSuccessAction?.Invoke();
+                        }
+                    }
+                    else if (pendingRequest != null)
+                    {
+                        var authRequest = await _authService.GetPasswordlessLoginRequestByIdAsync(pendingRequest.Id);
+                        if (authRequest != null && authRequest.RequestApproved != null && authRequest.RequestApproved.Value)
+                        {
+                            var authResult = await _authService.LogInPasswordlessAsync(await _stateService.GetActiveUserEmailAsync(), authRequest.RequestAccessCode, pendingRequest.Id, pendingRequest.PrivateKey, authRequest.Key, authRequest.MasterPasswordHash);
+                            if (authResult == null && await _stateService.IsAuthenticatedAsync())
+                            {
+                                await Xamarin.Essentials.MainThread.InvokeOnMainThreadAsync(
+                                 () => _platformUtilsService.ShowToast("info", null, AppResources.LoginApproved));
+                                await _stateService.SetPendingAdminAuthRequestAsync(null);
+                                _syncService.FullSyncAsync(true).FireAndForget();
+                                SsoAuthSuccessAction?.Invoke();
+                            }
+                        }
+                        else
+                        {
+                            await _stateService.SetPendingAdminAuthRequestAsync(null);
+                            StartDeviceApprovalOptionsAction?.Invoke();
+                        }
+                    }
+                    else
+                    {
+                        StartDeviceApprovalOptionsAction?.Invoke();
+                    }
+                    return;
+                }
+
+                // In the standard, non TDE case, a user must set password if they don't
+                // have one and they aren't using key connector.
+                // Note: TDE & Key connector are mutually exclusive org config options.
+                if (response.ResetMasterPassword || (decryptOptions?.RequireSetPassword ?? false))
                 {
                     StartSetPasswordAction?.Invoke();
+                    return;
                 }
-                else if (response.ForcePasswordReset)
+
+                if (response.ForcePasswordReset)
                 {
                     UpdateTempPasswordAction?.Invoke();
+                    return;
                 }
-                else
+
-                {
+                _syncService.FullSyncAsync(true).FireAndForget();
-                    var task = Task.Run(async () => await _syncService.FullSyncAsync(true));
+                SsoAuthSuccessAction?.Invoke();
-                    SsoAuthSuccessAction?.Invoke();
-                }
             }
-            catch (Exception e)
+            catch (Exception)
             {
                 await _deviceActionService.HideLoadingAsync();
                 await _platformUtilsService.ShowDialogAsync(AppResources.LoginSsoError,

src/App/Pages/Accounts/RegisterPage.xaml

@@ -1,6 +1,6 @@
-<?xml version="1.0" encoding="utf-8" ?>
+<?xml version="1.0" encoding="utf-8" ?>
 <pages:BaseContentPage 
-    xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+    xmlns="http://xamarin.com/schemas/2014/forms"
     xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
     x:Class="Bit.App.Pages.RegisterPage"
     xmlns:pages="clr-namespace:Bit.App.Pages"

src/App/Pages/Accounts/RegisterPage.xaml.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Threading.Tasks;
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Pages
 {
@@ -23,7 +22,6 @@ namespace Bit.App.Pages
             };
             MasterPasswordEntry = _masterPassword;
             ConfirmMasterPasswordEntry = _confirmMasterPassword;
-            // TODO Xamarin.Forms.Device.RuntimePlatform is no longer supported. Use Microsoft.Maui.Devices.DeviceInfo.Platform instead. For more details see https://learn.microsoft.com/en-us/dotnet/maui/migration/forms-projects#device-changes
             if (Device.RuntimePlatform == Device.Android)
             {
                 ToolbarItems.RemoveAt(0);

src/App/Pages/Accounts/RegisterPageViewModel.cs

@@ -13,8 +13,7 @@ using Bit.Core.Exceptions;
 using Bit.Core.Models.Request;
 using Bit.Core.Services;
 using Bit.Core.Utilities;
-using Microsoft.Maui.Controls;
+using Xamarin.Forms;
-using Microsoft.Maui;
 
 namespace Bit.App.Pages
 {
@@ -119,7 +118,7 @@ namespace Bit.App.Pages
 
         public async Task SubmitAsync(bool showLoading = true)
         {
-            if (Microsoft.Maui.Networking.Connectivity.NetworkAccess == Microsoft.Maui.Networking.NetworkAccess.None)
+            if (Xamarin.Essentials.Connectivity.NetworkAccess == Xamarin.Essentials.NetworkAccess.None)
             {
                 await _platformUtilsService.ShowDialogAsync(AppResources.InternetConnectionRequiredMessage,
                     AppResources.InternetConnectionRequiredTitle, AppResources.Ok);
@@ -178,25 +177,25 @@ namespace Bit.App.Pages
             Name = string.IsNullOrWhiteSpace(Name) ? null : Name;
             Email = Email.Trim().ToLower();
             var kdfConfig = new KdfConfig(KdfType.PBKDF2_SHA256, Constants.Pbkdf2Iterations, null, null);
-            var key = await _cryptoService.MakeKeyAsync(MasterPassword, Email, kdfConfig);
+            var newMasterKey = await _cryptoService.MakeMasterKeyAsync(MasterPassword, Email, kdfConfig);
-            var encKey = await _cryptoService.MakeEncKeyAsync(key);
+            var (newUserKey, newProtectedUserKey) = await _cryptoService.EncryptUserKeyWithMasterKeyAsync(newMasterKey);
-            var hashedPassword = await _cryptoService.HashPasswordAsync(MasterPassword, key);
+            var hashedPassword = await _cryptoService.HashMasterKeyAsync(MasterPassword, newMasterKey);
-            var keys = await _cryptoService.MakeKeyPairAsync(encKey.Item1);
+            var (newPublicKey, newProtectedPrivateKey) = await _cryptoService.MakeKeyPairAsync(newUserKey);
             var request = new RegisterRequest
             {
                 Email = Email,
                 Name = Name,
                 MasterPasswordHash = hashedPassword,
                 MasterPasswordHint = Hint,
-                Key = encKey.Item2.EncryptedString,
+                Key = newProtectedUserKey.EncryptedString,
                 Kdf = kdfConfig.Type,
                 KdfIterations = kdfConfig.Iterations,
                 KdfMemory = kdfConfig.Memory,
                 KdfParallelism = kdfConfig.Parallelism,
                 Keys = new KeysRequest
                 {
-                    PublicKey = keys.Item1,
+                    PublicKey = newPublicKey,
-                    EncryptedPrivateKey = keys.Item2.EncryptedString
+                    EncryptedPrivateKey = newProtectedPrivateKey.EncryptedString
                 },
                 CaptchaResponse = _captchaToken,
             };

src/App/Pages/Accounts/RemoveMasterPasswordPage.xaml

@@ -1,6 +1,6 @@
-<?xml version="1.0" encoding="UTF-8" ?>
+<?xml version="1.0" encoding="UTF-8" ?>
 <pages:BaseContentPage
-    xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+    xmlns="http://xamarin.com/schemas/2014/forms"
     xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
     x:Class="Bit.App.Pages.RemoveMasterPasswordPage"
     xmlns:pages="clr-namespace:Bit.App.Pages"