VeraCrypt
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path: root/src/ExpandVolume/resource.h
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//{{NO_DEPENDENCIES}}
// Microsoft Visual C++ generated include file.
// Used by ExpandVolume.rc
//
#define IDD_MOUNT_DLG                   101
#define IDD_PASSWORD_DLG                104
#define IDR_MENU                        106
#define IDD_EXPAND_PROGRESS_DLG         106
#define IDR_MOUNT_RSRC_HEADER           109
#define IDS_UACSTRING                   110
#define IDB_LOGO_288DPI                 111
#define IDB_LOGO_96DPI                  112
#define IDD_SIZE_DIALOG                 117
#define IDC_BOX_HELP                    1003
#define IDC_CACHE                       1005
#define IDC_NO_HISTORY                  1006
#define IDC_DRIVELIST                   1007
#define IDC_SPACE_LEFT                  1009
#define IDC_KB                          1011
#define IDC_MB                          1013
#define IDC_PROGRESS_BAR                1014
#define IDC_GB                          1015
#define IDC_TB                          1016
#define IDC_EXPAND_VOLUME_OLDSIZE       1017
#define IDC_EXPAND_VOLUME_NEWSIZE       1019
#define IDC_EXPAND_VOLUME_NAME          1020
#define IDC_EXPAND_VOLUME_INITSPACE     1021
#define IDC_EXPAND_FILE_SYSTEM          1022
#define IDC_RANDOM_BYTES                1023
#define IDC_BYTESWRITTEN                1024
#define IDC_WRITESPEED                  1025
#define IDC_MOUNT_OPTIONS               1026
#define IDC_TIMEREMAIN                  1027
#define IDC_KEY_FILES                   1030
#define IDC_VOLUME                      1033
#define IDC_PASSWORD                    1034
#define IDC_SELECT_DEVICE               1036
#define IDC_CREATE_VOLUME               1037
#define IDC_VOLUME_TOOLS                1038
#define IDC_SIZEBOX                     1038
#define IDC_WIPE_CACHE                  1039
#define IDC_MOUNTALL                    1040
#define IDC_SELECT_FILE                 1042
#define IDC_VOLUME_PROPERTIES           1044
#define IDT_RANDOM_POOL                 1047
#define IDT_VOL_NAME                    1047
#define IDT_HEADER_KEY                  1048
#define IDT_CURRENT_SIZE                1048
#define IDT_VOLUME                      1049
#define IDT_MASTER_KEY                  1049
#define IDT_NEW_SIZE                    1049
#define IDT_PASSWORD                    1050
#define IDT_DONE                        1050
#define IDT_SPEED                       1051
#define IDT_LEFT                        1052
#define IDT_INIT_SPACE                  1053
#define IDT_FILE_SYS                    1054
#define IDT_INIT_SPACE2                 1055
#define IDT_RANDOM_POOL2                1055
#define IDC_EXIT                        1060
#define IDC_UNMOUNTALL                  1063
#define IDC_SHOW_PASSWORD               1094
#define IDC_LOGO                        1095
#define IDC_SIZEDLG_TITLE               1111
#define IDC_INIT_NEWSPACE               1112
#define IDC_INFOEXPAND                  1113
#define IDC_BOX_STATUS                  1114
#define IDC_TRUECRYPT_MODE              1140
#define IDC_PREF_TEMP_CACHE_ON_MULTIPLE_MOUNT 1141
#define IDT_OLD_PIM                     1142
#define IDC_OLD_PIM                     1143
#define IDC_OLD_PIM_HELP                1144
#define ID_HOMEPAGE                     1145
#define IDM_HELP                        40001
#define IDM_ABOUT                       40002
#define IDM_UNMOUNT_VOLUME              40003
#define IDM_CLEAR_HISTORY               40004
#define IDM_FORUMS                      40005
#define IDM_BENCHMARK                   40006
#define IDM_TRAVELER                    40007
#define IDM_MOUNT_VOLUME_OPTIONS        40008
#define IDM_FAQ                         40009
#define IDM_REFRESH_DRIVE_LETTERS       40010
#define IDM_DEFAULT_KEYFILES            40011
#define IDM_WEBSITE                     40012
#define IDM_MOUNTALL                    40013
#define IDM_UNMOUNTALL                  40014
#define IDM_MOUNT_VOLUME                40015
#define IDM_CHANGE_PASSWORD             40016
#define IDM_VOLUME_WIZARD               40017
#define IDM_CREATE_VOLUME               40018
#define IDM_WIPE_CACHE                  40019
#define IDM_PREFERENCES                 40020
#define IDM_LICENSE                     40021
#define IDM_SELECT_FILE                 40022
#define IDM_SELECT_DEVICE               40023
#define IDM_VOLUME_PROPERTIES           40024
#define IDM_LANGUAGE                    40025
#define IDM_MOUNT_FAVORITE_VOLUMES      40026
#define IDM_SAVE_FAVORITE_VOLUMES       40027
#define IDM_BACKUP_VOL_HEADER           40028
#define IDM_RESTORE_VOL_HEADER          40029
#define IDM_HOTKEY_SETTINGS             40030
#define IDM_TC_DOWNLOADS                40031
#define IDM_NEWS                        40032
#define IDM_BUGREPORT                   40033
#define IDM_CONTACT                     40034
#define IDM_VERSION_HISTORY             40035
#define IDM_HOMEPAGE                    40036
#define IDM_TEST_VECTORS                40037
#define IDM_ADD_REMOVE_VOL_KEYFILES     40038
#define IDM_REMOVE_ALL_KEYFILES_FROM_VOL 40039
#define IDM_GENERATE_KEYFILE            40040
#define IDM_CHANGE_HEADER_KEY_DERIV_ALGO 40041
#define IDM_KEYFILE_GENERATOR           40042
#define IDM_SET_DEFAULT_KEYFILES        40043
#define IDM_ONLINE_TUTORIAL             40044
#define IDM_ONLINE_HELP                 40045
#define IDM_DONATIONS                   40046
#define IDM_CHANGE_SYS_HEADER_KEY_DERIV_ALGO 40047
#define IDM_CHANGE_SYS_PASSWORD         40048
#define IDM_CREATE_RESCUE_DISK          40049
#define IDM_PERMANENTLY_DECRYPT_SYS     40050
#define IDM_VERIFY_RESCUE_DISK          40051
#define IDM_SYSTEM_ENCRYPTION_STATUS    40052
#define IDM_ENCRYPT_SYSTEM_DEVICE       40053
#define IDM_SYSENC_RESUME               40054
#define IDM_MOUNT_SYSENC_PART_WITHOUT_PBA 40055
#define IDM_CREATE_HIDDEN_OS            40056
#define IDM_TOKEN_PREFERENCES           40057
#define IDM_CLOSE_ALL_TOKEN_SESSIONS    40058
#define IDM_SYS_ENC_SETTINGS            40059
#define IDM_SYSENC_SETTINGS             40060
#define IDM_RESUME_INTERRUPTED_PROC     40061
#define IDM_MANAGE_TOKEN_KEYFILES       40062

// Next default values for new objects
//
#ifdef APSTUDIO_INVOKED
#ifndef APSTUDIO_READONLY_SYMBOLS
#define _APS_NO_MFC                     1
#define _APS_NEXT_RESOURCE_VALUE        120
#define _APS_NEXT_COMMAND_VALUE         40064
#define _APS_NEXT_CONTROL_VALUE         1146
#define _APS_NEXT_SYMED_VALUE           101
#endif
#endif
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/*
 Derived from source code of TrueCrypt 7.1a, which is
 Copyright (c) 2008-2012 TrueCrypt Developers Association and which is governed
 by the TrueCrypt License 3.0.

 Modifications and additions to the original source code (contained in this file)
 and all other portions of this file are Copyright (c) 2013-2017 IDRIX
 and are governed by the Apache License 2.0 the full text of which is
 contained in the file License.txt included in VeraCrypt binary and source
 code distribution packages.
*/

#include "System.h"
#include "Platform/SystemInfo.h"
#ifdef TC_UNIX
#include <unistd.h>
#include "Platform/Unix/Process.h"
#endif
#include "Core/RandomNumberGenerator.h"
#include "Core/VolumeCreator.h"
#include "Main/Application.h"
#include "Main/GraphicUserInterface.h"
#include "Main/Resources.h"
#include "VolumeCreationWizard.h"
#include "EncryptionOptionsWizardPage.h"
#include "InfoWizardPage.h"
#include "ProgressWizardPage.h"
#include "SingleChoiceWizardPage.h"
#include "VolumeCreationProgressWizardPage.h"
#include "VolumeFormatOptionsWizardPage.h"
#include "VolumeLocationWizardPage.h"
#include "VolumePasswordWizardPage.h"
#include "VolumePimWizardPage.h"
#include "VolumeSizeWizardPage.h"
#include "WaitDialog.h"

namespace VeraCrypt
{
#ifdef TC_MACOSX

	bool VolumeCreationWizard::ProcessEvent(wxEvent& event)
	{
		if(GraphicUserInterface::HandlePasswordEntryCustomEvent (event))
			return true;
		else
			return WizardFrame::ProcessEvent(event);
	}
#endif

	VolumeCreationWizard::VolumeCreationWizard (wxWindow* parent)
		: WizardFrame (parent),
		CrossPlatformSupport (true),
		DisplayKeyInfo (false),
		LargeFilesSupport (false),
		QuickFormatEnabled (false),
		SelectedFilesystemClusterSize (0),
		SelectedFilesystemType (VolumeCreationOptions::FilesystemType::FAT),
		SelectedVolumeHostType (VolumeHostType::File),
		SelectedVolumeType (VolumeType::Normal),
		Pim (0),
		SectorSize (0),
		VolumeSize (0)
	{
		RandomNumberGenerator::Start();

		SetTitle (LangString["INTRO_TITLE"]);
		SetImage (Resources::GetVolumeCreationWizardBitmap (Gui->GetCharHeight (this) * 21));
		SetMaxStaticTextWidth (55);
		
#ifdef TC_MACOSX
		GraphicUserInterface::InstallPasswordEntryCustomKeyboardShortcuts (this);
#endif

		SetStep (Step::VolumeHostType);

		class Timer : public wxTimer
		{
		public:
			Timer (VolumeCreationWizard *wizard) : Wizard (wizard) { }

			void Notify()
			{
				Wizard->OnRandomPoolUpdateTimer();
			}

			VolumeCreationWizard *Wizard;
		};

		RandomPoolUpdateTimer.reset (dynamic_cast <wxTimer *> (new Timer (this)));
		RandomPoolUpdateTimer->Start (200);
	}

	VolumeCreationWizard::~VolumeCreationWizard ()
	{
	}

	WizardPage *VolumeCreationWizard::GetPage (WizardStep step)
	{
		switch (step)
		{
		case Step::VolumeHostType:
			{
				ClearHistory();

				OuterVolume = false;
				LargeFilesSupport = false;
				QuickFormatEnabled = false;
				Pim = 0;

				SingleChoiceWizardPage <VolumeHostType::Enum> *page = new SingleChoiceWizardPage <VolumeHostType::Enum> (GetPageParent(), wxEmptyString, true);
				page->SetMinSize (wxSize (Gui->GetCharWidth (this) * 58, Gui->GetCharHeight (this) * 18 + 5));

				page->SetPageTitle (LangString["INTRO_TITLE"]);

				page->AddChoice (VolumeHostType::File, LangString["IDC_FILE_CONTAINER"], LangString["IDT_FILE_CONTAINER"], L"introcontainer", LangString["IDC_MORE_INFO_ON_CONTAINERS"]);
				page->AddChoice (VolumeHostType::Device, _("Create a volume within a partition/&drive"), _("Formats and encrypts a non-system partition, entire external or secondary drive, entire USB stick, etc."));

				page->SetSelection (SelectedVolumeHostType);
				return page;
			}

		case Step::VolumeType:
			{
				SingleChoiceWizardPage <VolumeType::Enum> *page = new SingleChoiceWizardPage <VolumeType::Enum> (GetPageParent(), wxEmptyString, true);
				page->SetPageTitle (LangString["VOLUME_TYPE_TITLE"]);

				page->AddChoice (VolumeType::Normal, LangString["IDC_STD_VOL"], LangString["NORMAL_VOLUME_TYPE_HELP"]);
				page->AddChoice (VolumeType::Hidden, LangString["IDC_HIDDEN_VOL"], LangString["HIDDEN_VOLUME_TYPE_HELP"], L"hiddenvolume", LangString["IDC_HIDDEN_VOL_HELP"]);

				page->SetSelection (SelectedVolumeType);
				return page;
			}

		case Step::VolumeLocation:
			{
				VolumeLocationWizardPage *page = new VolumeLocationWizardPage (GetPageParent(), SelectedVolumeHostType);
				page->SetPageTitle (LangString["VOLUME_LOCATION"]);

				if (SelectedVolumeType == VolumeType::Hidden)
					page->SetPageText (LangString[SelectedVolumeHostType == VolumeHostType::File ? "FILE_HELP_HIDDEN_HOST_VOL" : "DEVICE_HELP_HIDDEN_HOST_VOL"]);
				else
					page->SetPageText (LangString[SelectedVolumeHostType == VolumeHostType::File ? "FILE_HELP" : "DEVICE_HELP_NO_INPLACE"]);

				page->SetVolumePath (SelectedVolumePath);
				return page;
			}

		case Step::EncryptionOptions:
			{
				EncryptionOptionsWizardPage *page = new EncryptionOptionsWizardPage (GetPageParent());

				if (OuterVolume)
					page->SetPageTitle (LangString["CIPHER_HIDVOL_HOST_TITLE"]);
				else if (SelectedVolumeType == VolumeType::Hidden)
					page->SetPageTitle (LangString["CIPHER_HIDVOL_TITLE"]);
				else
					page->SetPageTitle (LangString["CIPHER_TITLE"]);

				page->SetEncryptionAlgorithm (SelectedEncryptionAlgorithm);
				page->SetHash (SelectedHash);
				return page;
			}

		case Step::VolumeSize:
			{
				wxString freeSpaceText;
				wxString pageTitle;
				wxString pageText;

				if (OuterVolume)
				{
					pageTitle = LangString["SIZE_HIDVOL_HOST_TITLE"];
					pageText = LangString["SIZE_HELP_HIDDEN_HOST_VOL"];
				}
				else if (SelectedVolumeType == VolumeType::Hidden)
				{
					pageTitle = LangString["SIZE_HIDVOL_TITLE"];
					pageText = LangString["SIZE_HELP_HIDDEN_VOL"] + L"\n\n" + _("Please note that if your operating system does not allocate files from the beginning of the free space, the maximum possible hidden volume size may be much smaller than the size of the free space on the outer volume. This not a bug in VeraCrypt but a limitation of the operating system.");
					freeSpaceText = StringFormatter (_("Maximum possible hidden volume size for this volume is {0}."), Gui->SizeToString (MaxHiddenVolumeSize));
				}
				else
				{
					pageTitle = LangString["SIZE_TITLE"];
					pageText = LangString["VOLUME_SIZE_HELP"];
				}

				VolumeSizeWizardPage *page = new VolumeSizeWizardPage (GetPageParent(), SelectedVolumePath, SectorSize, freeSpaceText);

				page->SetPageTitle (pageTitle);
				page->SetPageText (pageText);

				if (!OuterVolume && SelectedVolumeType == VolumeType::Hidden)
					page->SetMaxVolumeSize (MaxHiddenVolumeSize);
				else
					page->SetVolumeSize (VolumeSize);

				if (OuterVolume)
					page->SetMinVolumeSize (TC_MIN_HIDDEN_VOLUME_HOST_SIZE);
				else if (SelectedVolumeType == VolumeType::Hidden)
					page->SetMinVolumeSize (TC_MIN_HIDDEN_VOLUME_SIZE);
				else
					page->SetMinVolumeSize (TC_MIN_VOLUME_SIZE);

				return page;
			}

		case Step::VolumePassword:
			{
				VolumePasswordWizardPage *page = new VolumePasswordWizardPage (GetPageParent(), Password, Keyfiles);
				page->EnableUsePim (); // force displaying "Use PIM"
				page->SetPimSelected (Pim > 0);

				if (OuterVolume)
					page->SetPageTitle (LangString["PASSWORD_HIDVOL_HOST_TITLE"]);
				else if (SelectedVolumeType == VolumeType::Hidden)
					page->SetPageTitle (LangString["PASSWORD_HIDVOL_TITLE"]);
				else
					page->SetPageTitle (LangString["PASSWORD_TITLE"]);

				page->SetPageText (LangString[OuterVolume ? "PASSWORD_HIDDENVOL_HOST_HELP" : "PASSWORD_HELP"]);
				return page;
			}

		case Step::VolumePim:
			{
				VolumePimWizardPage *page = new VolumePimWizardPage (GetPageParent());

				if (OuterVolume)
					page->SetPageTitle (LangString["PIM_HIDVOL_HOST_TITLE"]);
				else if (SelectedVolumeType == VolumeType::Hidden)
					page->SetPageTitle (LangString["PIM_HIDVOL_TITLE"]);
				else
					page->SetPageTitle (LangString["PIM_TITLE"]);

				page->SetPageText (LangString["PIM_HELP"]);
				page->SetVolumePim (Pim);
				return page;
			}

		case Step::LargeFilesSupport:
			{
				SingleChoiceWizardPage <bool> *page = new SingleChoiceWizardPage <bool> (GetPageParent(), wxEmptyString, true);
				page->SetPageTitle (LangString["FILESYS_PAGE_TITLE"]);

				page->AddChoice (false, _("I will not store files larger than 4 GB on the volume"),
					_("Choose this option if you do not need to store files larger than 4 GB (4,294,967,296 bytes) on the volume."));

				page->AddChoice (true, _("I will store files larger than 4 GB on the volume"),
					_("Choose this option if you need to store files larger than 4 GB (4,294,967,296 bytes) on the volume."));

				page->SetSelection (LargeFilesSupport);
				return page;
			}

		case Step::FormatOptions:
			{
				VolumeFormatOptionsWizardPage *page = new VolumeFormatOptionsWizardPage (GetPageParent(), VolumeSize, SectorSize,
					SelectedVolumePath.IsDevice() && (OuterVolume || SelectedVolumeType != VolumeType::Hidden), OuterVolume, LargeFilesSupport);

				page->SetPageTitle (_("Format Options"));
				page->SetFilesystemType (SelectedFilesystemType);

				if (!OuterVolume && SelectedVolumeType == VolumeType::Hidden)
					QuickFormatEnabled = true;
				page->SetQuickFormat (QuickFormatEnabled);

				return page;
			}

		case Step::CrossPlatformSupport:
			{
				SingleChoiceWizardPage <bool> *page = new SingleChoiceWizardPage <bool> (GetPageParent(), wxEmptyString, true);
				page->SetPageTitle (_("Cross-Platform Support"));

				page->AddChoice (true, _("I will mount the volume on other platforms"),
					_("Choose this option if you need to use the volume on other platforms."));

				page->AddChoice (false, StringFormatter (_("I will mount the volume only on {0}"), SystemInfo::GetPlatformName()),
					_("Choose this option if you do not need to use the volume on other platforms."));

				page->SetSelection (CrossPlatformSupport);
				return page;
			}

		case Step::CreationProgress:
			{
				VolumeCreationProgressWizardPage *page = new VolumeCreationProgressWizardPage (GetPageParent(), DisplayKeyInfo);

				if (OuterVolume)
					page->SetPageTitle (LangString["FORMAT_HIDVOL_HOST_TITLE"]);
				else if (SelectedVolumeType == VolumeType::Hidden)
					page->SetPageTitle (LangString["FORMAT_HIDVOL_TITLE"]);
				else
					page->SetPageTitle (LangString["FORMAT_TITLE"]);

				page->SetPageText (LangString["FORMAT_HELP"]);
				page->AbortEvent.Connect (EventConnector <VolumeCreationWizard> (this, &VolumeCreationWizard::OnAbortButtonClick));
				page->SetNextButtonText (LangString["FORMAT"]);
				return page;
			}

		case Step::VolumeCreatedInfo:
			{
				InfoWizardPage *page = new InfoWizardPage (GetPageParent());
				page->SetPageTitle (LangString["FORMAT_FINISHED_TITLE"]);
				page->SetPageText (LangString["FORMAT_FINISHED_HELP"]);

				SetCancelButtonText (_("Exit"));
				return page;
			}

		case Step::OuterVolumeContents:
			{
				ClearHistory();

				MountOptions mountOptions;
				mountOptions.Keyfiles = Keyfiles;
				mountOptions.Password = Password;
				mountOptions.Pim = Pim;
				mountOptions.Path = make_shared <VolumePath> (SelectedVolumePath);

				try
				{
					wxBusyCursor busy;
					Gui->SetActiveFrame (this);
					MountedOuterVolume = Core->MountVolume (mountOptions);
				}
				catch (exception &e)
				{
					Gui->SetActiveFrame (this);
					Gui->ShowError (e);

					Close();
					return new InfoWizardPage (GetPageParent());
				}

				struct OpenOuterVolumeFunctor : public Functor
				{
					OpenOuterVolumeFunctor (const DirectoryPath &outerVolumeMountPoint) : OuterVolumeMountPoint (outerVolumeMountPoint) { }

					virtual void operator() ()
					{
						Gui->OpenExplorerWindow (OuterVolumeMountPoint);
					}

					DirectoryPath OuterVolumeMountPoint;
				};

				InfoWizardPage *page = new InfoWizardPage (GetPageParent(), _("Open Outer Volume"),
					shared_ptr <Functor> (new OpenOuterVolumeFunctor (MountedOuterVolume->MountPoint)));

				page->SetPageTitle (LangString["HIDVOL_HOST_FILLING_TITLE"]);

				page->SetPageText (StringFormatter (
					_("Outer volume has been successfully created and mounted as '{0}'. To this volume you should now copy some sensitive-looking files that you actually do NOT want to hide. The files will be there for anyone forcing you to disclose your password. You will reveal only the password for this outer volume, not for the hidden one. The files that you really care about will be stored in the hidden volume, which will be created later on. When you finish copying, click Next. Do not dismount the volume.\n\nNote: After you click Next, the outer volume will be analyzed to determine the size of uninterrupted area of free space whose end is aligned with the end of the volume. This area will accommodate the hidden volume, so it will limit its maximum possible size. The procedure ensures no data on the outer volume are overwritten by the hidden volume."),
					wstring (MountedOuterVolume->MountPoint)));

				return page;
			}

		case Step::HiddenVolume:
			{
				ClearHistory();
				OuterVolume = false;
				LargeFilesSupport = false;
				Pim = 0;

				InfoWizardPage *page = new InfoWizardPage (GetPageParent());
				page->SetPageTitle (LangString["HIDVOL_PRE_CIPHER_TITLE"]);
				page->SetPageText (LangString["HIDVOL_PRE_CIPHER_HELP"]);

				return page;
			}

		default:
			throw ParameterIncorrect (SRC_POS);
		}
	}

	void VolumeCreationWizard::OnAbortButtonClick (EventArgs &args)
	{
		AbortRequested = true;
	}

	void VolumeCreationWizard::OnMouseMotion (wxMouseEvent& event)
	{
		event.Skip();
		if (!IsWorkInProgress() && RandomNumberGenerator::IsRunning())
		{
			RandomNumberGenerator::AddToPool (ConstBufferPtr (reinterpret_cast <byte *> (&event), sizeof (event)));

			long coord = event.GetX();
			RandomNumberGenerator::AddToPool (ConstBufferPtr (reinterpret_cast <byte *> (&coord), sizeof (coord)));
			coord = event.GetY();
			RandomNumberGenerator::AddToPool (ConstBufferPtr (reinterpret_cast <byte *> (&coord), sizeof (coord)));

			VolumeCreationProgressWizardPage *page = dynamic_cast <VolumeCreationProgressWizardPage *> (GetCurrentPage());
			if (page)
			{
				page->IncrementEntropyProgress ();
			}
		}
	}

	void VolumeCreationWizard::OnProgressTimer ()
	{
		if (!IsWorkInProgress())
			return;

		if (AbortRequested && !AbortConfirmationPending)
		{
			AbortConfirmationPending = true;
			if (Gui->AskYesNo (LangString ["FORMAT_ABORT"], true))
			{
				if (IsWorkInProgress() && Creator.get() != nullptr)
				{
					CreationAborted = true;
					Creator->Abort();
				}
			}
			AbortRequested = false;
			AbortConfirmationPending = false;
		}

		VolumeCreator::ProgressInfo progress = Creator->GetProgressInfo();

		VolumeCreationProgressWizardPage *page = dynamic_cast <VolumeCreationProgressWizardPage *> (GetCurrentPage());
		page->SetProgressValue (progress.SizeDone);

		if (!progress.CreationInProgress && !AbortConfirmationPending)
		{
			SetWorkInProgress (false);
			OnVolumeCreatorFinished ();
		}
	}

	void VolumeCreationWizard::OnRandomPoolUpdateTimer ()
	{
		if (!IsWorkInProgress())
		{
			wxLongLong time = wxGetLocalTimeMillis();
			RandomNumberGenerator::AddToPool (ConstBufferPtr (reinterpret_cast <byte *> (&time), sizeof (time)));
		}
	}

	void VolumeCreationWizard::OnVolumeCreatorFinished ()
	{
		VolumeCreationProgressWizardPage *page = dynamic_cast <VolumeCreationProgressWizardPage *> (GetCurrentPage());

		ProgressTimer.reset();
		page->SetProgressState (false);

		Gui->EndInteractiveBusyState (this);
		SetWorkInProgress (false);
		UpdateControls();

		try
		{
			if (!CreationAborted)
			{
				Creator->CheckResult();

#ifdef TC_UNIX
				// Format non-FAT filesystem
				const char *fsFormatter = nullptr;

				switch (SelectedFilesystemType)
				{
#if defined (TC_LINUX)
				case VolumeCreationOptions::FilesystemType::Ext2:		fsFormatter = "mkfs.ext2"; break;
				case VolumeCreationOptions::FilesystemType::Ext3:		fsFormatter = "mkfs.ext3"; break;
				case VolumeCreationOptions::FilesystemType::Ext4:		fsFormatter = "mkfs.ext4"; break;
				case VolumeCreationOptions::FilesystemType::NTFS:		fsFormatter = "mkfs.ntfs"; break;
				case VolumeCreationOptions::FilesystemType::exFAT:		fsFormatter = "mkfs.exfat"; break;
#elif defined (TC_MACOSX)
				case VolumeCreationOptions::FilesystemType::MacOsExt:	fsFormatter = "newfs_hfs"; break;
				case VolumeCreationOptions::FilesystemType::exFAT:		fsFormatter = "newfs_exfat"; break;
#elif defined (TC_FREEBSD) || defined (TC_SOLARIS)
				case VolumeCreationOptions::FilesystemType::UFS:		fsFormatter = "newfs" ; break;
#endif
				default: break;
				}

				if (fsFormatter)
				{
					wxBusyCursor busy;

					MountOptions mountOptions (Gui->GetPreferences().DefaultMountOptions);
					mountOptions.Path = make_shared <VolumePath> (SelectedVolumePath);
					mountOptions.NoFilesystem = true;
					mountOptions.Protection = VolumeProtection::None;
					mountOptions.Password = Password;
					mountOptions.Pim = Pim;
					mountOptions.Keyfiles = Keyfiles;
					mountOptions.Kdf = Kdf;
					mountOptions.TrueCryptMode = false;

					shared_ptr <VolumeInfo> volume = Core->MountVolume (mountOptions);
					finally_do_arg (shared_ptr <VolumeInfo>, volume, { Core->DismountVolume (finally_arg, true); });

					Thread::Sleep (2000);	// Try to prevent race conditions caused by OS

					// Temporarily take ownership of the device if the user is not an administrator
					UserId origDeviceOwner ((uid_t) -1);

					DevicePath virtualDevice = volume->VirtualDevice;
#ifdef TC_MACOSX
					string virtualDeviceStr = virtualDevice;
					if (virtualDeviceStr.find ("/dev/rdisk") != 0)
						virtualDevice = "/dev/r" + virtualDeviceStr.substr (5);
#endif
					try
					{
						File file;
						file.Open (virtualDevice, File::OpenReadWrite);
					}
					catch (...)
					{
						if (!Core->HasAdminPrivileges())
						{
							origDeviceOwner = virtualDevice.GetOwner();
							Core->SetFileOwner (virtualDevice, UserId (getuid()));
						}
					}

					finally_do_arg2 (FilesystemPath, virtualDevice, UserId, origDeviceOwner,
					{
						if (finally_arg2.SystemId != (uid_t) -1)
							Core->SetFileOwner (finally_arg, finally_arg2);
					});

					// Create filesystem
					list <string> args;

					if (SelectedFilesystemType == VolumeCreationOptions::FilesystemType::MacOsExt && VolumeSize >= 10 * BYTES_PER_MB)
						args.push_back ("-J");

					// Perform a quick NTFS formatting
					if (SelectedFilesystemType == VolumeCreationOptions::FilesystemType::NTFS)
						args.push_back ("-f");

					args.push_back (string (virtualDevice));

					Process::Execute (fsFormatter, args);
				}
#endif // TC_UNIX

				if (OuterVolume)
				{
					SetStep (Step::OuterVolumeContents);
				}
				else
				{
					Gui->ShowInfo (SelectedVolumeType == VolumeType::Hidden ? "HIDVOL_FORMAT_FINISHED_HELP" : "FORMAT_FINISHED_INFO");
					SetStep (Step::VolumeCreatedInfo);
				}

				return;
			}
		}
		catch (exception &e)
		{
			Gui->ShowError (e);
		}

		page->SetProgressValue (0);
		if (SelectedVolumeType == VolumeType::Normal && !SelectedVolumePath.IsDevice())
		{
			try
			{
				FilePath (wstring (SelectedVolumePath)).Delete();
			}
			catch (...) { }
		}
	}

	WizardFrame::WizardStep VolumeCreationWizard::ProcessPageChangeRequest (bool forward)
	{
		switch (GetCurrentStep())
		{
		case Step::VolumeHostType:
			{
				SingleChoiceWizardPage <VolumeHostType::Enum> *page = dynamic_cast <SingleChoiceWizardPage <VolumeHostType::Enum> *> (GetCurrentPage());

				try
				{
					SelectedVolumeHostType = page->GetSelection();
				}
				catch (NoItemSelected &)
				{
					return GetCurrentStep();
				}

				return Step::VolumeType;
			}

		case Step::VolumeType:
			{
				SingleChoiceWizardPage <VolumeType::Enum> *page = dynamic_cast <SingleChoiceWizardPage <VolumeType::Enum> *> (GetCurrentPage());

				try
				{
					SelectedVolumeType = page->GetSelection();
				}
				catch (NoItemSelected &)
				{
					return GetCurrentStep();
				}

				if (SelectedVolumeType == VolumeType::Hidden)
					OuterVolume = true;

				return Step::VolumeLocation;
			}

		case Step::VolumeLocation:
			{
				VolumeLocationWizardPage *page = dynamic_cast <VolumeLocationWizardPage *> (GetCurrentPage());
				SelectedVolumePath = page->GetVolumePath();
				VolumeSize = 0;

				if (forward)
				{
					if (Core->IsVolumeMounted (SelectedVolumePath))
					{
						Gui->ShowInfo ("DISMOUNT_FIRST");
						return GetCurrentStep();
					}

					if (SelectedVolumePath.IsDevice())
					{
						if (!DeviceWarningConfirmed && !Gui->AskYesNo (LangString["FORMAT_DEVICE_FOR_ADVANCED_ONLY"]))
							return GetCurrentStep();

						DeviceWarningConfirmed = true;

						foreach_ref (const HostDevice &drive, Core->GetHostDevices())
						{
							if (drive.Path == SelectedVolumePath && !drive.Partitions.empty())
							{
								foreach_ref (const HostDevice &partition, drive.Partitions)
								{
									if (partition.MountPoint == "/")
									{
										Gui->ShowError (_("Error: You are trying to encrypt a system drive.\n\nVeraCrypt can encrypt a system drive only under Windows."));
										return GetCurrentStep();
									}
								}

								Gui->ShowError ("DEVICE_PARTITIONS_ERR");
								return GetCurrentStep();
							}
						}

						try
						{
							SectorSize = Core->GetDeviceSectorSize (SelectedVolumePath);
							VolumeSize = Core->GetDeviceSize (SelectedVolumePath);
						}
						catch (UserAbort&)
						{
							return Step::VolumeLocation;
						}
						catch (exception &e)
						{
							Gui->ShowError (e);
							Gui->ShowError ("CANNOT_CALC_SPACE");
							return GetCurrentStep();
						}

						DirectoryPath mountPoint;
						try
						{
							mountPoint = Core->GetDeviceMountPoint (SelectedVolumePath);

							if (!mountPoint.IsEmpty())
							{
								if (mountPoint == "/")
								{
									Gui->ShowError (_("Error: You are trying to encrypt a system partition.\n\nVeraCrypt can encrypt system partitions only under Windows."));
									return GetCurrentStep();
								}

								if (!Gui->AskYesNo (StringFormatter (_("WARNING: Formatting of the device will destroy all data on filesystem '{0}'.\n\nDo you want to continue?"), wstring (mountPoint)), false, true))
									return GetCurrentStep();

								try
								{
									Core->DismountFilesystem (mountPoint, true);
								}
								catch (exception &e)
								{
									Gui->ShowError (e);
									Gui->ShowError (StringFormatter (_("The filesystem of the selected device is currently mounted. Please dismount '{0}' before proceeding."), wstring (mountPoint)));
									return GetCurrentStep();
								}
							}
						}
						catch (...) { }
					}
					else
						SectorSize = TC_SECTOR_SIZE_FILE_HOSTED_VOLUME;
				}

				return Step::EncryptionOptions;
			}

		case Step::EncryptionOptions:
			{
				EncryptionOptionsWizardPage *page = dynamic_cast <EncryptionOptionsWizardPage *> (GetCurrentPage());
				SelectedEncryptionAlgorithm = page->GetEncryptionAlgorithm ();
				SelectedHash = page->GetHash ();

				if (forward)
					RandomNumberGenerator::SetHash (SelectedHash);

				if (SelectedVolumePath.IsDevice() && (OuterVolume || SelectedVolumeType != VolumeType::Hidden))
					return Step::VolumePassword;
				else
					return Step::VolumeSize;
			}

		case Step::VolumeSize:
			{
				VolumeSizeWizardPage *page = dynamic_cast <VolumeSizeWizardPage *> (GetCurrentPage());

				try
				{
					VolumeSize = page->GetVolumeSize();
				}
				catch (Exception &e)
				{
					if (forward)
					{
						Gui->ShowError (e);
						return GetCurrentStep();
					}
				}

				if (forward
					&& !OuterVolume && SelectedVolumeType == VolumeType::Hidden
					&& (double) VolumeSize / MaxHiddenVolumeSize > 0.85)
				{
					if (!Gui->AskYesNo (LangString["FREE_SPACE_FOR_WRITING_TO_OUTER_VOLUME"]))
						return GetCurrentStep();
				}

				if (forward
					&& SelectedVolumeHostType == VolumeHostType::File
					&& VolumeSize > 4 * BYTES_PER_GB
					&& (OuterVolume || SelectedVolumeType != VolumeType::Hidden)
					&& !Core->FilesystemSupportsLargeFiles (SelectedVolumePath))
				{
					Gui->ShowWarning (LangString["VOLUME_TOO_LARGE_FOR_FAT32"]);
				}

				return Step::VolumePassword;
			}

		case Step::VolumePassword:
			{
				VolumePasswordWizardPage *page = dynamic_cast <VolumePasswordWizardPage *> (GetCurrentPage());
				try
				{
					Password = page->GetPassword();
				}
				catch (PasswordException& e)
				{
					Gui->ShowWarning (e);
					return GetCurrentStep();
				}

				Kdf = page->GetPkcs5Kdf();
				Keyfiles = page->GetKeyfiles();

				if (forward && Password && !Password->IsEmpty())
				{
					if (Password->Size() < VolumePassword::WarningSizeThreshold)
					{
						if (!Gui->AskYesNo (LangString["PASSWORD_LENGTH_WARNING"], false, true))
						{
							return GetCurrentStep();
						}
					}
				}

				if (page->IsPimSelected ())
					return Step::VolumePim;
				else
				{
					// Clear PIM
					Pim = 0;

					// Skip PIM
					if (forward && OuterVolume)
					{
						// Use FAT to prevent problems with free space
						QuickFormatEnabled = false;
						SelectedFilesystemType = VolumeCreationOptions::FilesystemType::FAT;
						return Step::CreationProgress;
					}

					if (VolumeSize > 4 * BYTES_PER_GB)
					{
						if (VolumeSize <= TC_MAX_FAT_SECTOR_COUNT * SectorSize)
							return Step::LargeFilesSupport;
						else
							SelectedFilesystemType = VolumeCreationOptions::FilesystemType::GetPlatformNative();
					}

					return Step::FormatOptions;
				}
			}

		case Step::VolumePim:
			{
				VolumePimWizardPage *page = dynamic_cast <VolumePimWizardPage *> (GetCurrentPage());
				Pim = page->GetVolumePim();

				if (forward && Password && !Password->IsEmpty())
				{
					if (-1 == Pim)
					{
						// PIM invalid: don't go anywhere
						Gui->ShowError ("PIM_TOO_BIG");
						return GetCurrentStep();
					}

					if (Password->Size() < VolumePassword::WarningSizeThreshold)
					{
						if (Pim > 0 && Pim < 485)
						{
							Gui->ShowError ("PIM_REQUIRE_LONG_PASSWORD");
							return GetCurrentStep();
						}
					}
					else if (Pim > 0 && Pim < 485)
					{
						if (!Gui->AskYesNo (LangString["PIM_SMALL_WARNING"], false, true))
						{
							return GetCurrentStep();
						}
					}
				}


				if (forward && OuterVolume)
				{
					// Use FAT to prevent problems with free space
					QuickFormatEnabled = false;
					SelectedFilesystemType = VolumeCreationOptions::FilesystemType::FAT;
					return Step::CreationProgress;
				}

				if (VolumeSize > 4 * BYTES_PER_GB)
				{
					if (VolumeSize <= TC_MAX_FAT_SECTOR_COUNT * SectorSize)
						return Step::LargeFilesSupport;
					else
						SelectedFilesystemType = VolumeCreationOptions::FilesystemType::GetPlatformNative();
				}

				return Step::FormatOptions;
			}

		case Step::LargeFilesSupport:
			{
				SingleChoiceWizardPage <bool> *page = dynamic_cast <SingleChoiceWizardPage <bool> *> (GetCurrentPage());

				try
				{
					LargeFilesSupport = page->GetSelection();
				}
				catch (NoItemSelected &)
				{
					return GetCurrentStep();
				}

				if (LargeFilesSupport)
					SelectedFilesystemType = VolumeCreationOptions::FilesystemType::GetPlatformNative();
				else
					SelectedFilesystemType = VolumeCreationOptions::FilesystemType::FAT;

				return Step::FormatOptions;
			}

		case Step::FormatOptions:
			{
				VolumeFormatOptionsWizardPage *page = dynamic_cast <VolumeFormatOptionsWizardPage *> (GetCurrentPage());
				SelectedFilesystemType = page->GetFilesystemType();
				QuickFormatEnabled = page->IsQuickFormatEnabled();

				if (SelectedFilesystemType != VolumeCreationOptions::FilesystemType::None
					&& SelectedFilesystemType != VolumeCreationOptions::FilesystemType::FAT)
					return Step::CrossPlatformSupport;

				return Step::CreationProgress;
			}

		case Step::CrossPlatformSupport:
			{
				SingleChoiceWizardPage <bool> *page = dynamic_cast <SingleChoiceWizardPage <bool> *> (GetCurrentPage());

				try
				{
					CrossPlatformSupport = page->GetSelection();
				}
				catch (NoItemSelected &)
				{
					return GetCurrentStep();
				}

				if (forward && CrossPlatformSupport)
					Gui->ShowWarning (StringFormatter (_("Please note that the volume will not be formatted with a FAT filesystem and, therefore, you may be required to install additional filesystem drivers on platforms other than {0}, which will enable you to mount the volume."), SystemInfo::GetPlatformName()));

				return Step::CreationProgress;
			}

		case Step::CreationProgress:
			{
				VolumeCreationProgressWizardPage *page = dynamic_cast <VolumeCreationProgressWizardPage *> (GetCurrentPage());

				DisplayKeyInfo = page->IsKeyInfoDisplayed();

				if (forward)
				{
					if (SelectedVolumeType != VolumeType::Hidden || OuterVolume)
					{
						if (OuterVolume && VolumeSize > TC_MAX_FAT_SECTOR_COUNT * SectorSize)
						{
							uint64 limit = TC_MAX_FAT_SECTOR_COUNT * SectorSize / BYTES_PER_TB;
							wstring err = StringFormatter (_("Error: The hidden volume to be created is larger than {0} TB ({1} GB).\n\nPossible solutions:\n- Create a container/partition smaller than {0} TB.\n"), limit, limit * 1024);

							if (SectorSize < 4096)
							{
								err += _("- Use a drive with 4096-byte sectors to be able to create partition/device-hosted hidden volumes up to 16 TB in size");
#if defined (TC_LINUX)
								err += _(".\n");
#else
								err += _(" (not supported by components available on this platform).\n");
#endif
							}

							Gui->ShowError (err);
							return GetCurrentStep();
						}

						if (SelectedVolumePath.IsDevice())
						{
							wxString confirmMsg = LangString["OVERWRITEPROMPT_DEVICE"];

							if (!Gui->AskYesNo (wxString::Format (confirmMsg, wxString (_("DEVICE")).c_str(), wstring (SelectedVolumePath).c_str(), L""), false, true))
								return GetCurrentStep();
						}
						else if (FilesystemPath (wstring (SelectedVolumePath)).IsFile())
						{
							wxString confirmMsg = LangString["OVERWRITEPROMPT"];

							if (!Gui->AskYesNo (wxString::Format (confirmMsg, wstring (SelectedVolumePath).c_str()), false, true))
								return GetCurrentStep();
						}
					}

					AbortRequested = false;
					AbortConfirmationPending = false;
					CreationAborted = false;
					SetWorkInProgress (true);
					UpdateControls();

					Gui->BeginInteractiveBusyState (this);

					try
					{
						make_shared_auto (VolumeCreationOptions, options);

						options->Filesystem = SelectedFilesystemType;
						options->FilesystemClusterSize = SelectedFilesystemClusterSize;
						options->SectorSize = SectorSize;
						options->EA = SelectedEncryptionAlgorithm;
						options->Password = Password;
						options->Pim = Pim;
						options->Keyfiles = Keyfiles;
						options->Path = SelectedVolumePath;
						options->Quick = QuickFormatEnabled;
						options->Size = VolumeSize;
						options->Type = OuterVolume ? VolumeType::Normal : SelectedVolumeType;
						options->VolumeHeaderKdf = Pkcs5Kdf::GetAlgorithm (*SelectedHash, false);

						Creator.reset (new VolumeCreator);
						VolumeCreatorThreadRoutine routine(options, Creator);
						Gui->ExecuteWaitThreadRoutine (this, &routine);

						page->SetKeyInfo (Creator->GetKeyInfo());

						class Timer : public wxTimer
						{
						public:
							Timer (VolumeCreationWizard *wizard) : Wizard (wizard) { }

							void Notify()
							{
								Wizard->OnProgressTimer();
							}

							VolumeCreationWizard *Wizard;
						};

						page->SetProgressRange (options->Size);
						page->SetProgressState (true);
						ProgressTimer.reset (dynamic_cast <wxTimer *> (new Timer (this)));
						ProgressTimer->Start (50);
					}
					catch (Exception &e)
					{
						CreationAborted = true;
						OnVolumeCreatorFinished();
						Gui->ShowError (e);
					}
				}

				return GetCurrentStep();
			}

		case Step::VolumeCreatedInfo:
			Creator.reset();
			SetCancelButtonText (L"");

			return Step::VolumeHostType;

		case Step::OuterVolumeContents:
			try
			{
				// Determine maximum size of the hidden volume. Scan cluster table offline as a live filesystem test would
				// require using FUSE and loop device which cannot be used for devices with sectors larger than 512.

				wxBusyCursor busy;
				MaxHiddenVolumeSize = 0;

				Gui->SetActiveFrame (this);

				if (MountedOuterVolume)
				{
					Core->DismountVolume (MountedOuterVolume);
					MountedOuterVolume.reset();
				}

#ifdef TC_UNIX
				// Temporarily take ownership of a device if the user is not an administrator
				UserId origDeviceOwner ((uid_t) -1);

				if (!Core->HasAdminPrivileges() && SelectedVolumePath.IsDevice())
				{
					origDeviceOwner = FilesystemPath (wstring (SelectedVolumePath)).GetOwner();
					Core->SetFileOwner (SelectedVolumePath, UserId (getuid()));
				}

				finally_do_arg2 (FilesystemPath, SelectedVolumePath, UserId, origDeviceOwner,
				{
					if (finally_arg2.SystemId != (uid_t) -1)
						Core->SetFileOwner (finally_arg, finally_arg2);
				});
#endif

				shared_ptr <Volume> outerVolume = Core->OpenVolume (make_shared <VolumePath> (SelectedVolumePath), true, Password, Pim, Kdf, false, Keyfiles, VolumeProtection::ReadOnly);
				MaxHiddenVolumeSize = Core->GetMaxHiddenVolumeSize (outerVolume);

				// Add a reserve (in case the user mounts the outer volume and creates new files
				// on it by accident or OS writes some new data behind his or her back, such as
				// System Restore etc.)

				uint64 reservedSize = outerVolume->GetSize() / 200;
				if (reservedSize > 10 * BYTES_PER_MB)
					reservedSize = 10 * BYTES_PER_MB;

				if (MaxHiddenVolumeSize < reservedSize)
					MaxHiddenVolumeSize = 0;
				else
					MaxHiddenVolumeSize -= reservedSize;

				MaxHiddenVolumeSize -= MaxHiddenVolumeSize % outerVolume->GetSectorSize();		// Must be a multiple of the sector size
			}
			catch (exception &e)
			{
				Gui->SetActiveFrame (this);
				Gui->ShowError (e);
				return GetCurrentStep();
			}

			return Step::HiddenVolume;

		case Step::HiddenVolume:
			return Step::EncryptionOptions;

		default:
			throw ParameterIncorrect (SRC_POS);
		}
	}

	void VolumeCreationWizard::UpdateControls ()
	{
		VolumeCreationProgressWizardPage *page = dynamic_cast <VolumeCreationProgressWizardPage *> (GetCurrentPage());
		if (page)
		{
			page->EnableAbort (IsWorkInProgress());
		}
	}

	bool VolumeCreationWizard::DeviceWarningConfirmed;
}