/* Deprecated/legacy */ // cast.cpp - written and placed in the public domain by Wei Dai and Leonard Janke // based on Steve Reid's public domain cast.c /* Adapted for TrueCrypt */ #include #include "Common/Tcdefs.h" #include "Common/Endian.h" #include "Cast.h" #define word32 unsigned __int32 #define byte unsigned __int8 #define GETBYTE(x, y) (unsigned int)(byte)((x)>>(8*(y))) /* Macros to access 8-bit bytes out of a 32-bit word */ #define U8a(x) GETBYTE(x,3) #define U8b(x) GETBYTE(x,2) #define U8c(x) GETBYTE(x,1) #define U8d(x) GETBYTE(x,0) static word32 rotlVariable (word32 x, unsigned int y) { return (word32)((x<>(sizeof(word32)*8-y))); } // CAST S-boxes static const word32 S[8][256] = { { 0x30FB40D4UL, 0x9FA0FF0BUL, 0x6BECCD2FUL, 0x3F258C7AUL, 0x1E213F2FUL, 0x9C004DD3UL, 0x6003E540UL, 0xCF9FC949UL, 0xBFD4AF27UL, 0x88BBBDB5UL, 0xE2034090UL, 0x98D09675UL, 0x6E63A0E0UL, 0x15C361D2UL, 0xC2E7661DUL, 0x22D4FF8EUL, 0x28683B6FUL, 0xC07FD059UL, 0xFF2379C8UL, 0x775F50E2UL, 0x43C340D3UL, 0xDF2F8656UL, 0x887CA41AUL, 0xA2D2BD2DUL, 0xA1C9E0D6UL, 0x346C4819UL, 0x61B76D87UL, 0x22540F2FUL, 0x2ABE32E1UL, 0xAA54166BUL, 0x22568E3AUL, 0xA2D341D0UL, 0x66DB40C8UL, 0xA784392FUL, 0x004DFF2FUL, 0x2DB9D2DEUL, 0x97943FACUL, 0x4A97C1D8UL, 0x527644B7UL, 0xB5F437A7UL, 0xB82CBAEFUL, 0xD751D159UL, 0x6FF7F0EDUL, 0x5A097A1FUL, 0x827B68D0UL, 0x90ECF52EUL, 0x22B0C054UL, 0xBC8E5935UL, 0x4B6D2F7FUL, 0x50BB64A2UL, 0xD2664910UL, 0xBEE5812DUL, 0xB7332290UL, 0xE93B159FUL, 0xB48EE411UL, 0x4BFF345DUL, 0xFD45C240UL, 0xAD31973FUL, 0xC4F6D02EUL, 0x55FC8165UL, 0xD5B1CAADUL, 0xA1AC2DAEUL, 0xA2D4B76DUL, 0xC19B0C50UL, 0x882240F2UL, 0x0C6E4F38UL, 0xA4E4BFD7UL, 0x4F5BA272UL, 0x564C1D2FUL, 0xC59C5319UL, 0xB949E354UL, 0xB04669FEUL, 0xB1B6AB8AUL, 0xC71358DDUL, 0x6385C545UL, 0x110F935DUL, 0x57538AD5UL, 0x6A390493UL, 0xE63D37E0UL, 0x2A54F6B3UL, 0x3A787D5FUL, 0x6276A0B5UL, 0x19A6FCDFUL, 0x7A42206AUL, 0x29F9D4D5UL, 0xF61B1891UL, 0xBB72275EUL, 0xAA508167UL, 0x38901091UL, 0xC6B505EBUL, 0x84C7CB8CUL, 0x2AD75A0FUL, 0x874A1427UL, 0xA2D1936BUL, 0x2AD286AFUL, 0xAA56D291UL, 0xD7894360UL, 0x425C750DUL, 0x93B39E26UL, 0x187184C9UL, 0x6C00B32DUL, 0x73E2BB14UL, 0xA0BEBC3CUL, 0x54623779UL, 0x64459EABUL, 0x3F328B82UL, 0x7718CF82UL, 0x59A2CEA6UL, 0x04EE002EUL, 0x89FE78E6UL, 0x3FAB0950UL, 0x325FF6C2UL, 0x81383F05UL, 0x6963C5C8UL, 0x76CB5AD6UL, 0xD49974C9UL, 0xCA180DCFUL, 0x380782D5UL, 0xC7FA5CF6UL, 0x8AC31511UL, 0x35E79E13UL, 0x47DA91D0UL, 0xF40F9086UL, 0xA7E2419EUL, 0x31366241UL, 0x051EF495UL, 0xAA573B04UL, 0x4A805D8DUL, 0x548300D0UL, 0x00322A3CUL, 0xBF64CDDFUL, 0xBA57A68EUL, 0x75C6372BUL, 0x50AFD341UL, 0xA7C13275UL, 0x915A0BF5UL, 0x6B54BFABUL, 0x2B0B1426UL, 0xAB4CC9D7UL, 0x449CCD82UL, 0xF7FBF265UL, 0xAB85C5F3UL, 0x1B55DB94UL, 0xAAD4E324UL, 0xCFA4BD3FUL, 0x2DEAA3E2UL, 0x9E204D02UL, 0xC8BD25ACUL, 0xEADF55B3UL, 0xD5BD9E98UL, 0xE31231B2UL, 0x2AD5AD6CUL, 0x954329DEUL, 0xADBE4528UL, 0xD8710F69UL, 0xAA51C90FUL, 0xAA786BF6UL, 0x22513F1EUL, 0xAA51A79BUL, 0x2AD344CCUL, 0x7B5A41F0UL, 0xD37CFBADUL, 0x1B069505UL, 0x41ECE491UL, 0xB4C332E6UL, 0x032268D4UL, 0xC9600ACCUL, 0xCE387E6DUL, 0xBF6BB16CUL, 0x6A70FB78UL, 0x0D03D9C9UL, 0xD4DF39DEUL, 0xE01063DAUL, 0x4736F464UL, 0x5AD328D8UL, 0xB347CC96UL, 0x75BB0FC3UL, 0x98511BFBUL, 0x4FFBCC35UL, 0xB58BCF6AUL, 0xE11F0ABCUL, 0xBFC5FE4AUL, 0xA70AEC10UL, 0xAC39570AUL, 0x3F04442FUL, 0x6188B153UL, 0xE0397A2EUL, 0x5727CB79UL, 0x9CEB418FUL, 0x1CACD68DUL, 0x2AD37C96UL, 0x0175CB9DUL, 0xC69DFF09UL, 0xC75B65F0UL, 0xD9DB40D8UL, 0xEC0E7779UL, 0x4744EAD4UL, 0xB11C3274UL, 0xDD24CB9EUL, 0x7E1C54BDUL, 0xF01144F9UL, 0xD2240EB1UL, 0x9675B3FDUL, 0xA3AC3755UL, 0xD47C27AFUL, 0x51C85F4DUL, 0x56907596UL, 0xA5BB15E6UL, 0x580304F0UL, 0xCA042CF1UL, 0x011A37EAUL, 0x8DBFAADBUL, 0x35BA3E4AUL, 0x3526FFA0UL, 0xC37B4D09UL, 0xBC306ED9UL, 0x98A52666UL, 0x5648F725UL, 0xFF5E569DUL, 0x0CED63D0UL, 0x7C63B2CFUL, 0x700B45E1UL, 0xD5EA50F1UL, 0x85A92872UL, 0xAF1FBDA7UL, 0xD4234870UL, 0xA7870BF3UL, 0x2D3B4D79UL, 0x42E04198UL, 0x0CD0EDE7UL, 0x26470DB8UL, 0xF881814CUL, 0x474D6AD7UL, 0x7C0C5E5CUL, 0xD1231959UL, 0x381B7298UL, 0xF5D2F4DBUL, 0xAB838653UL, 0x6E2F1E23UL, 0x83719C9EUL, 0xBD91E046UL, 0x9A56456EUL, 0xDC39200CUL, 0x20C8C571UL, 0x962BDA1CUL, 0xE1E696FFUL, 0xB141AB08UL, 0x7CCA89B9UL, 0x1A69E783UL, 0x02CC4843UL, 0xA2F7C579UL, 0x429EF47DUL, 0x427B169CUL, 0x5AC9F049UL, 0xDD8F0F00UL, 0x5C8165BFUL }, { 0x1F201094UL, 0xEF0BA75BUL, 0x69E3CF7EUL, 0x393F4380UL, 0xFE61CF7AUL, 0xEEC5207AUL, 0x55889C94UL, 0x72FC0651UL, 0xADA7EF79UL, 0x4E1D7235UL, 0xD55A63CEUL, 0xDE0436BAUL, 0x99C430EFUL, 0x5F0C0794UL, 0x18DCDB7DUL, 0xA1D6EFF3UL, 0xA0B52F7BUL, 0x59E83605UL, 0xEE15B094UL, 0xE9FFD909UL, 0xDC440086UL, 0xEF944459UL, 0xBA83CCB3UL, 0xE0C3CDFBUL, 0xD1DA4181UL, 0x3B092AB1UL, 0xF997F1C1UL, 0xA5E6CF7BUL, 0x01420DDBUL, 0xE4E7EF5BUL, 0x25A1FF41UL, 0xE180F806UL, 0x1FC41080UL, 0x179BEE7AUL, 0xD37AC6A9UL, 0xFE5830A4UL, 0x98DE8B7FUL, 0x77E83F4EUL, 0x79929269UL, 0x24FA9F7BUL, 0xE113C85BUL, 0xACC40083UL, 0xD7503525UL, 0xF7EA615FUL, 0x62143154UL, 0x0D554B63UL, 0x5D681121UL, 0xC866C359UL, 0x3D63CF73UL, 0xCEE234C0UL, 0xD4D87E87UL, 0x5C672B21UL, 0x071F6181UL, 0x39F7627FUL, 0x361E3084UL, 0xE4EB573BUL, 0x602F64A4UL, 0xD63ACD9CUL, 0x1BBC4635UL, 0x9E81032DUL, 0x2701F50CUL, 0x99847AB4UL, 0xA0E3DF79UL, 0xBA6CF38CUL, 0x10843094UL, 0x2537A95EUL, 0xF46F6FFEUL, 0xA1FF3B1FUL, 0x208CFB6AUL, 0x8F458C74UL, 0xD9E0A227UL, 0x4EC73A34UL, 0xFC884F69UL, 0x3E4DE8DFUL, 0xEF0E0088UL, 0x3559648DUL, 0x8A45388CUL, 0x1D804366UL, 0x721D9BFDUL, 0xA58684BBUL, 0xE8256333UL, 0x844E8212UL, 0x128D8098UL, 0xFED33FB4UL, 0xCE280AE1UL, 0x27E19BA5UL, 0xD5A6C252UL, 0xE49754BDUL, 0xC5D655DDUL, 0xEB667064UL, 0x77840B4DUL, 0xA1B6A801UL, 0x84DB26A9UL, 0xE0B56714UL, 0x21F043B7UL, 0xE5D05860UL, 0x54F03084UL, 0x066FF472UL, 0xA31AA153UL, 0xDADC4755UL, 0xB5625DBFUL, 0x68561BE6UL, 0x83CA6B94UL, 0x2D6ED23BUL, 0xECCF01DBUL, 0xA6D3D0BAUL, 0xB6803D5CUL, 0xAF77A709UL, 0x33B4A34CUL, 0x397BC8D6UL, 0x5EE22B95UL, 0x5F0E5304UL, 0x81ED6F61UL, 0x20E74364UL, 0xB45E1378UL, 0xDE18639BUL, 0x881CA122UL, 0xB96726D1UL, 0x8049A7E8UL, 0x22B7DA7BUL, 0x5E552D25UL, 0x5272D237UL, 0x79D2951CUL, 0xC60D894CUL, 0x488CB402UL, 0x1BA4FE5BUL, 0xA4B09F6BUL, 0x1CA815CFUL, 0xA20C3005UL, 0x8871DF63UL, 0xB9DE2FCBUL, 0x0CC6C9E9UL, 0x0BEEFF53UL, 0xE3214517UL, 0xB4542835UL, 0x9F63293CUL, 0xEE41E729UL, 0x6E1D2D7CUL, 0x50045286UL, 0x1E6685F3UL, 0xF33401C6UL, 0x30A22C95UL, 0x31A70850UL, 0x60930F13UL, 0x73F98417UL, 0xA1269859UL, 0xEC645C44UL, 0x52C877A9UL, 0xCDFF33A6UL, 0xA02B1741UL, 0x7CBAD9A2UL, 0x2180036FUL, 0x50D99C08UL, 0xCB3F4861UL, 0xC26BD765UL, 0x64A3F6ABUL, 0x80342676UL, 0x25A75E7BUL, 0xE4E6D1FCUL, 0x20C710E6UL, 0xCDF0B680UL, 0x17844D3BUL, 0x31EEF84DUL, 0x7E0824E4UL, 0x2CCB49EBUL, 0x846A3BAEUL, 0x8FF77888UL, 0xEE5D60F6UL, 0x7AF75673UL, 0x2FDD5CDBUL, 0xA11631C1UL, 0x30F66F43UL, 0xB3FAEC54UL, 0x157FD7FAUL, 0xEF8579CCUL, 0xD152DE58UL, 0xDB2FFD5EUL, 0x8F32CE19UL, 0x306AF97AUL, 0x02F03EF8UL, 0x99319AD5UL, 0xC242FA0FUL, 0xA7E3EBB0UL, 0xC68E4906UL, 0xB8DA230CUL, 0x80823028UL, 0xDCDEF3C8UL, 0xD35FB171UL, 0x088A1BC8UL, 0xBEC0C560UL, 0x61A3C9E8UL, 0xBCA8F54DUL, 0xC72FEFFAUL, 0x22822E99UL, 0x82C570B4UL, 0xD8D94E89UL, 0x8B1C34BCUL, 0x301E16E6UL, 0x273BE979UL, 0xB0FFEAA6UL, 0x61D9B8C6UL, 0x00B24869UL, 0xB7FFCE3FUL, 0x08DC283BUL, 0x43DAF65AUL, 0xF7E19798UL, 0x7619B72FUL, 0x8F1C9BA4UL, 0xDC8637A0UL, 0x16A7D3B1UL, 0x9FC393B7UL, 0xA7136EEBUL, 0xC6BCC63EUL, 0x1A513742UL, 0xEF6828BCUL, 0x520365D6UL, 0x2D6A77ABUL, 0x3527ED4BUL, 0x821FD216UL, 0x095C6E2EUL, 0xDB92F2FBUL, 0x5EEA29CBUL, 0x145892F5UL, 0x91584F7FUL, 0x5483697BUL, 0x2667A8CCUL, 0x85196048UL, 0x8C4BACEAUL, 
/*
 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) 2013-2016 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 "Main/GraphicUserInterface.h"
#include "Main/Resources.h"
#include "DeviceSelectionDialog.h"

namespace VeraCrypt
{
	DeviceSelectionDialog::DeviceSelectionDialog (wxWindow* parent)
		: DeviceSelectionDialogBase (parent)
	{
		wxBusyCursor busy;

		list <int> colPermilles;

		DeviceListCtrl->InsertColumn (ColumnDevice, LangString["DEVICE"], wxLIST_FORMAT_LEFT, 1);
		colPermilles.push_back (447);
#ifdef TC_WINDOWS
		DeviceListCtrl->InsertColumn (ColumnDrive, LangString["DRIVE"], wxLIST_FORMAT_LEFT, 1);
		colPermilles.push_back (91);
#endif
		DeviceListCtrl->InsertColumn (ColumnSize, LangString["SIZE"], wxLIST_FORMAT_RIGHT, 1);
		colPermilles.push_back (153);
#ifdef TC_WINDOWS
		DeviceListCtrl->InsertColumn (ColumnName, LangString["LABEL"], wxLIST_FORMAT_LEFT, 1);
		colPermilles.push_back (307);
#else
		DeviceListCtrl->InsertColumn (ColumnMountPoint, LangString["MOUNT_POINT"], wxLIST_FORMAT_LEFT, 1);
		colPermilles.push_back (396);
#endif

		wxImageList *imageList = new wxImageList (16, 12, true);
		imageList->Add (Resources::GetDriveIconBitmap(), Resources::GetDriveIconMaskBitmap());
		DeviceListCtrl->AssignImageList (imageList, wxIMAGE_LIST_SMALL);

		DeviceList = Core->GetHostDevices();

		foreach_ref (HostDevice &device, DeviceList)
		{
			if (device.Size == 0)
				continue;

			vector <wstring> fields (DeviceListCtrl->GetColumnCount());

			if (DeviceListCtrl->GetItemCount() > 0)
				Gui->AppendToListCtrl (DeviceListCtrl, fields);

#ifdef TC_WINDOWS
			fields[ColumnDevice] = StringFormatter (L"{0} {1}:", _("Harddisk"), device.SystemNumber);
			fields[ColumnDrive] = device.MountPoint;
			fields[ColumnName] = device.Name;
#else
			fields[ColumnDevice] = wstring (device.Path) + L":";
			fields[ColumnMountPoint] = device.MountPoint;
#endif
			fields[ColumnSize] = Gui->SizeToString (device.Size);
			Gui->AppendToListCtrl (DeviceListCtrl, fields, 0, &device);

			foreach_ref (HostDevice &partition, device.Partitions)
			{
				fields[ColumnDevice] =
#ifndef TC_WINDOWS
					wstring (L"      ") +
#endif
					wstring (partition.Path);

#ifdef TC_WINDOWS
				fields[ColumnDrive] = partition.MountPoint;
				fields[ColumnName] = partition.Name;
#else
				fields[ColumnMountPoint] = partition.MountPoint;
#endif
				fields[ColumnSize] = Gui->SizeToString (partition.Size);
				Gui->AppendToListCtrl (DeviceListCtrl, fields, -1, &partition);
			}
		}

		Gui->SetListCtrlWidth (DeviceListCtrl, 73);
		Gui->SetListCtrlHeight (DeviceListCtrl, 16);
		Gui->SetListCtrlColumnWidths (DeviceListCtrl, colPermilles);

		Fit();
		Layout();
		Center();

		StdButtonsOK->Disable();
		StdButtonsOK->SetDefault();
	}

	void DeviceSelectionDialog::OnListItemActivated (wxListEvent& event)
	{
		if (StdButtonsOK->IsEnabled())
			EndModal (wxID_OK);
	}

	void DeviceSelectionDialog::OnListItemDeselected (wxListEvent& event)
	{
		if (DeviceListCtrl->GetSelectedItemCount() == 0)
			StdButtonsOK->Disable();
	}

	void DeviceSelectionDialog::OnListItemSelected (wxListEvent& event)
	{
		HostDevice *device = (HostDevice *) (event.GetItem().GetData());
		if (device)
		{
			SelectedDevice = *device;
			StdButtonsOK->Enable();
		}
		else
			StdButtonsOK->Disable();
	}
}
8289UL, 0xACF3EBC3UL, 0x5715F6B7UL, 0xEF3478DDUL, 0xF267616FUL, 0xC148CBE4UL, 0x9052815EUL, 0x5E410FABUL, 0xB48A2465UL, 0x2EDA7FA4UL, 0xE87B40E4UL, 0xE98EA084UL, 0x5889E9E1UL, 0xEFD390FCUL, 0xDD07D35BUL, 0xDB485694UL, 0x38D7E5B2UL, 0x57720101UL, 0x730EDEBCUL, 0x5B643113UL, 0x94917E4FUL, 0x503C2FBAUL, 0x646F1282UL, 0x7523D24AUL, 0xE0779695UL, 0xF9C17A8FUL, 0x7A5B2121UL, 0xD187B896UL, 0x29263A4DUL, 0xBA510CDFUL, 0x81F47C9FUL, 0xAD1163EDUL, 0xEA7B5965UL, 0x1A00726EUL, 0x11403092UL, 0x00DA6D77UL, 0x4A0CDD61UL, 0xAD1F4603UL, 0x605BDFB0UL, 0x9EEDC364UL, 0x22EBE6A8UL, 0xCEE7D28AUL, 0xA0E736A0UL, 0x5564A6B9UL, 0x10853209UL, 0xC7EB8F37UL, 0x2DE705CAUL, 0x8951570FUL, 0xDF09822BUL, 0xBD691A6CUL, 0xAA12E4F2UL, 0x87451C0FUL, 0xE0F6A27AUL, 0x3ADA4819UL, 0x4CF1764FUL, 0x0D771C2BUL, 0x67CDB156UL, 0x350D8384UL, 0x5938FA0FUL, 0x42399EF3UL, 0x36997B07UL, 0x0E84093DUL, 0x4AA93E61UL, 0x8360D87BUL, 0x1FA98B0CUL, 0x1149382CUL, 0xE97625A5UL, 0x0614D1B7UL, 0x0E25244BUL, 0x0C768347UL, 0x589E8D82UL, 0x0D2059D1UL, 0xA466BB1EUL, 0xF8DA0A82UL, 0x04F19130UL, 0xBA6E4EC0UL, 0x99265164UL, 0x1EE7230DUL, 0x50B2AD80UL, 0xEAEE6801UL, 0x8DB2A283UL, 0xEA8BF59EUL }}; /* CAST uses three different round functions */ #define f1(l, r, km, kr) \ t = rotlVariable(km + r, kr); \ l ^= ((S[0][U8a(t)] ^ S[1][U8b(t)]) - \ S[2][U8c(t)]) + S[3][U8d(t)]; #define f2(l, r, km, kr) \ t = rotlVariable(km ^ r, kr); \ l ^= ((S[0][U8a(t)] - S[1][U8b(t)]) + \ S[2][U8c(t)]) ^ S[3][U8d(t)]; #define f3(l, r, km, kr) \ t = rotlVariable(km - r, kr); \ l ^= ((S[0][U8a(t)] + S[1][U8b(t)]) ^ \ S[2][U8c(t)]) - S[3][U8d(t)]; #define F1(l, r, i, j) f1(l, r, K[i], K[i+j]) #define F2(l, r, i, j) f2(l, r, K[i], K[i+j]) #define F3(l, r, i, j) f3(l, r, K[i], K[i+j]) void Cast5Encrypt (const byte *inBlock, byte *outBlock, CAST_KEY *key) { word32 l = BE32 (((word32 *)inBlock)[0]); word32 r = BE32 (((word32 *)inBlock)[1]); word32 *K = key->K; word32 t; /* Do the work */ F1(l, r, 0, 16); F2(r, l, 1, 16); F3(l, r, 2, 16); F1(r, l, 3, 16); F2(l, r, 4, 16); F3(r, l, 5, 16); F1(l, r, 6, 16); F2(r, l, 7, 16); F3(l, r, 8, 16); F1(r, l, 9, 16); F2(l, r, 10, 16); F3(r, l, 11, 16); F1(l, r, 12, 16); F2(r, l, 13, 16); F3(l, r, 14, 16); F1(r, l, 15, 16); /* Put l,r into outblock */ ((word32 *)outBlock)[0] = BE32 (r); ((word32 *)outBlock)[1] = BE32 (l); } void Cast5Decrypt (const byte *inBlock, byte *outBlock, CAST_KEY *key) { word32 r = BE32 (((word32 *)inBlock)[0]); word32 l = BE32 (((word32 *)inBlock)[1]); word32 *K = key->K; word32 t; /* Only do full 16 rounds if key length > 80 bits */ F1(r, l, 15, 16); F3(l, r, 14, 16); F2(r, l, 13, 16); F1(l, r, 12, 16); F3(r, l, 11, 16); F2(l, r, 10, 16); F1(r, l, 9, 16); F3(l, r, 8, 16); F2(r, l, 7, 16); F1(l, r, 6, 16); F3(r, l, 5, 16); F2(l, r, 4, 16); F1(r, l, 3, 16); F3(l, r, 2, 16); F2(r, l, 1, 16); F1(l, r, 0, 16); /* Put l,r into outblock */ ((word32 *)outBlock)[0] = BE32 (l); ((word32 *)outBlock)[1] = BE32 (r); /* Wipe clean */ t = l = r = 0; } void Cast5SetKey (CAST_KEY *key, unsigned int keylength, const byte *userKey) { unsigned int i; word32 *K = key->K; word32 X[4], Z[4]; X[0] = BE32 (((word32 *)userKey)[0]); X[1] = BE32 (((word32 *)userKey)[1]); X[2] = BE32 (((word32 *)userKey)[2]); X[3] = BE32 (((word32 *)userKey)[3]); #define x(i) GETBYTE(X[i/4], 3-i%4) #define z(i) GETBYTE(Z[i/4], 3-i%4) for (i=0; i<=16; i+=16) { // this part is copied directly from RFC 2144 (with some search and replace) by Wei Dai Z[0] = X[0] ^ S[4][x(0xD)] ^ S[5][x(0xF)] ^ S[6][x(0xC)] ^ S[7][x(0xE)] ^ S[6][x(0x8)]; Z[1] = X[2] ^ S[4][z(0x0)] ^ S[5][z(0x2)] ^ S[6][z(0x1)] ^ S[7][z(0x3)] ^ S[7][x(0xA)]; Z[2] = X[3] ^ S[4][z(0x7)] ^ S[5][z(0x6)] ^ S[6][z(0x5)] ^ S[7][z(0x4)] ^ S[4][x(0x9)]; Z[3] = X[1] ^ S[4][z(0xA)] ^ S[5][z(0x9)] ^ S[6][z(0xB)] ^ S[7][z(0x8)] ^ S[5][x(0xB)]; K[i+0] = S[4][z(0x8)] ^ S[5][z(0x9)] ^ S[6][z(0x7)] ^ S[7][z(0x6)] ^ S[4][z(0x2)]; K[i+1] = S[4][z(0xA)] ^ S[5][z(0xB)] ^ S[6][z(0x5)] ^ S[7][z(0x4)] ^ S[5][z(0x6)]; K[i+2] = S[4][z(0xC)] ^ S[5][z(0xD)] ^ S[6][z(0x3)] ^ S[7][z(0x2)] ^ S[6][z(0x9)]; K[i+3] = S[4][z(0xE)] ^ S[5][z(0xF)] ^ S[6][z(0x1)] ^ S[7][z(0x0)] ^ S[7][z(0xC)]; X[0] = Z[2] ^ S[4][z(0x5)] ^ S[5][z(0x7)] ^ S[6][z(0x4)] ^ S[7][z(0x6)] ^ S[6][z(0x0)]; X[1] = Z[0] ^ S[4][x(0x0)] ^ S[5][x(0x2)] ^ S[6][x(0x1)] ^ S[7][x(0x3)] ^ S[7][z(0x2)]; X[2] = Z[1] ^ S[4][x(0x7)] ^ S[5][x(0x6)] ^ S[6][x(0x5)] ^ S[7][x(0x4)] ^ S[4][z(0x1)]; X[3] = Z[3] ^ S[4][x(0xA)] ^ S[5][x(0x9)] ^ S[6][x(0xB)] ^ S[7][x(0x8)] ^ S[5][z(0x3)]; K[i+4] = S[4][x(0x3)] ^ S[5][x(0x2)] ^ S[6][x(0xC)] ^ S[7][x(0xD)] ^ S[4][x(0x8)]; K[i+5] = S[4][x(0x1)] ^ S[5][x(0x0)] ^ S[6][x(0xE)] ^ S[7][x(0xF)] ^ S[5][x(0xD)]; K[i+6] = S[4][x(0x7)] ^ S[5][x(0x6)] ^ S[6][x(0x8)] ^ S[7][x(0x9)] ^ S[6][x(0x3)]; K[i+7] = S[4][x(0x5)] ^ S[5][x(0x4)] ^ S[6][x(0xA)] ^ S[7][x(0xB)] ^ S[7][x(0x7)]; Z[0] = X[0] ^ S[4][x(0xD)] ^ S[5][x(0xF)] ^ S[6][x(0xC)] ^ S[7][x(0xE)] ^ S[6][x(0x8)]; Z[1] = X[2] ^ S[4][z(0x0)] ^ S[5][z(0x2)] ^ S[6][z(0x1)] ^ S[7][z(0x3)] ^ S[7][x(0xA)]; Z[2] = X[3] ^ S[4][z(0x7)] ^ S[5][z(0x6)] ^ S[6][z(0x5)] ^ S[7][z(0x4)] ^ S[4][x(0x9)]; Z[3] = X[1] ^ S[4][z(0xA)] ^ S[5][z(0x9)] ^ S[6][z(0xB)] ^ S[7][z(0x8)] ^ S[5][x(0xB)]; K[i+8] = S[4][z(0x3)] ^ S[5][z(0x2)] ^ S[6][z(0xC)] ^ S[7][z(0xD)] ^ S[4][z(0x9)]; K[i+9] = S[4][z(0x1)] ^ S[5][z(0x0)] ^ S[6][z(0xE)] ^ S[7][z(0xF)] ^ S[5][z(0xC)]; K[i+10] = S[4][z(0x7)] ^ S[5][z(0x6)] ^ S[6][z(0x8)] ^ S[7][z(0x9)] ^ S[6][z(0x2)]; K[i+11] = S[4][z(0x5)] ^ S[5][z(0x4)] ^ S[6][z(0xA)] ^ S[7][z(0xB)] ^ S[7][z(0x6)]; X[0] = Z[2] ^ S[4][z(0x5)] ^ S[5][z(0x7)] ^ S[6][z(0x4)] ^ S[7][z(0x6)] ^ S[6][z(0x0)]; X[1] = Z[0] ^ S[4][x(0x0)] ^ S[5][x(0x2)] ^ S[6][x(0x1)] ^ S[7][x(0x3)] ^ S[7][z(0x2)]; X[2] = Z[1] ^ S[4][x(0x7)] ^ S[5][x(0x6)] ^ S[6][x(0x5)] ^ S[7][x(0x4)] ^ S[4][z(0x1)]; X[3] = Z[3] ^ S[4][x(0xA)] ^ S[5][x(0x9)] ^ S[6][x(0xB)] ^ S[7][x(0x8)] ^ S[5][z(0x3)]; K[i+12] = S[4][x(0x8)] ^ S[5][x(0x9)] ^ S[6][x(0x7)] ^ S[7][x(0x6)] ^ S[4][x(0x3)]; K[i+13] = S[4][x(0xA)] ^ S[5][x(0xB)] ^ S[6][x(0x5)] ^ S[7][x(0x4)] ^ S[5][x(0x7)]; K[i+14] = S[4][x(0xC)] ^ S[5][x(0xD)] ^ S[6][x(0x3)] ^ S[7][x(0x2)] ^ S[6][x(0x8)]; K[i+15] = S[4][x(0xE)] ^ S[5][x(0xF)] ^ S[6][x(0x1)] ^ S[7][x(0x0)] ^ S[7][x(0xD)]; } for (i=16; i<32; i++) K[i] &= 0x1f; }