/* Copyright (c) 2013-2018 IDRIX. All rights reserved. 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. */ #ifndef TC_HEADER_Main_Forms_WaitDialog #define TC_HEADER_Main_Forms_WaitDialog #include "Forms.h" #include "Main/Main.h" #include "Main/Application.h" #include namespace VeraCrypt { DECLARE_LOCAL_EVENT_TYPE(wxEVT_COMMAND_WAITDIALOGTHREAD_COMPLETED, -1); DECLARE_LOCAL_EVENT_TYPE(wxEVT_COMMAND_WAITDIALOG_ADMIN_PASSWORD, -1); DECLARE_LOCAL_EVENT_TYPE(wxEVT_COMMAND_WAITDIALOG_PIN, -1); DECLARE_LOCAL_EVENT_TYPE(wxEVT_COMMAND_WAITDIALOG_SHOW_MSG, -1); class WaitDialog; class WaitThread : public wxThread { public: WaitThread(WaitDialog *handler, WaitThreadRoutine* pRoutine) : wxThread(wxTHREAD_DETACHED), m_pRoutine(pRoutine) { m_pHandler = handler; } ~WaitThread() { } protected: virtual ExitCode Entry(); WaitDialog *m_pHandler; WaitThreadRoutine* m_pRoutine; }; class WaitDialog : public WaitDialogBase, public WaitThreadUI { public: WaitDialog (wxWindow *parent, const wxString& label, WaitThreadRoutine* pRoutine) : WaitDialogBase(parent), WaitThreadUI(pRoutine), m_bThreadRunning (false), m_timer (this) { WaitStaticText->SetLabel (label); WaitProgessBar->Pulse(); Layout(); GetSizer()->Fit( this ); Centre( wxBOTH ); Connect( wxID_ANY, wxEVT_COMMAND_WAITDIALOGTHREAD_COMPLETED, wxCommandEventHandler( WaitDialog::OnThreadCompletion ) ); Connect( wxID_ANY, wxEVT_COMMAND_WAITDIALOG_ADMIN_PASSWORD, wxCommandEventHandler( WaitDialog::OnAdminPasswordRequest ) ); Connect( wxID_ANY, wxEVT_COMMAND_WAITDIALOG_PIN, wxCommandEventHandler( WaitDialog::OnPinRequest ) ); Connect( wxID_ANY, wxEVT_COMMAND_WAITDIALOG_SHOW_MSG, wxCommandEventHandler( WaitDialog::OnShowMsg ) ); Connect( wxEVT_TIMER, wxTimerEventHandler( WaitDialog::OnProgressTimer ), NULL, this ); m_thread = new WaitThread(this, pRoutine); } ~WaitDialog() { Disconnect( wxEVT_TIMER, wxTimerEventHandler( WaitDialog::OnProgressTimer )); Disconnect( wxID_ANY, wxEVT_COMMAND_WAITDIALOGTHREAD_COMPLETED, wxCommandEventHandler( WaitDialog::OnThreadCompletion ) ); Disconnect( wxID_ANY, wxEVT_COMMAND_WAITDIALOG_ADMIN_PASSWORD, wxCommandEventHandler( WaitDialog::OnAdminPasswordRequest ) ); Disconnect( wxID_ANY, wxEVT_COMMAND_WAITDIALOG_PIN, wxCommandEventHandler( WaitDialog::OnPinRequest ) ); Disconnect( wxID_ANY, wxEVT_COMMAND_WAITDIALOG_SHOW_MSG, wxCommandEventHandler( WaitDialog::OnShowMsg ) ); } virtual void OnWaitDialogInit( wxInitDialogEvent& event ) { m_thread->Run(); m_timer.Start(100); m_bThreadRunning = true; } int GetCharWidth (wxWindow *window) const { int width; int height; window->GetTextExtent (L"a", &width, &height); if (width < 1) return 7; return width; } class ShowMessageParam { public: wxString m_message; wxString m_caption; long m_style; bool m_topMost; ShowMessageParam(const wxString &message, const wxString &caption,long style, bool topMost) : m_message(message), m_caption(caption), m_style(style), m_topMost(topMost) {} }; int RequestShowMessage (const wxString &message, const wxString &caption,long style, bool topMost) { long lResult = -1; if (m_queue.IsOk()) { wxString sResult; ShowMessageParam* pParam = new ShowMessageParam(message, caption, style, topMost); wxCommandEvent* pEvent = new wxCommandEvent( wxEVT_COMMAND_WAITDIALOG_SHOW_MSG,0); pEvent->SetClientData (pParam); wxQueueEvent (this, pEvent); m_queue.Receive (sResult); sResult.ToLong(&lResult); } return (int) lResult; } void RequestAdminPassword (wxString& adminPassword) { if (m_queue.IsOk()) { wxQueueEvent (this, new wxCommandEvent( wxEVT_COMMAND_WAITDIALOG_ADMIN_PASSWORD,0)); if (wxMSGQUEUE_NO_ERROR != m_queue.Receive (adminPassword)) adminPassword = wxT(""); } else adminPassword = wxT(""); } void RequestPin (wxString& pin) { if (m_queue.IsOk()) { wxCommandEvent* pEvent = new wxCommandEvent( wxEVT_COMMAND_WAITDIALOG_PIN,0); pEvent->SetString (pin); wxQueueEvent (this, pEvent); if (wxMSGQUEUE_NO_ERROR != m_queue.Receive (pin)) pin = wxT(""); } else pin = wxT(""); } virtual void OnWaitDialogClose( wxCloseEvent& event ) { if (event.CanVeto () && m_bThreadRunning) { event.Veto (); } else event.Skip (); } void OnThreadCompletion(wxCommandEvent &) { m_bThreadRunning = false; m_queue.Clear(); EndModal(0); } void OnAdminPasswordRequest(wxCommandEvent &) { wxPasswordEntryDialog dialog (this, _("Enter your user password or administrator password:"), _("Administrator privileges required")); if (dialog.ShowModal() != wxID_OK) m_queue.Post(wxT("")); else m_queue.Post(dialog.GetValue()); } void OnPinRequest(wxCommandEvent &e) { wxPasswordEntryDialog dialog (this, wxString::Format (LangString["ENTER_TOKEN_PASSWORD"], e.GetString()), LangString["IDD_TOKEN_PASSWORD"]); dialog.SetSize (wxSize (GetCharWidth (&dialog) * 50, -1)); if (dialog.ShowModal() != wxID_OK) m_queue.Post(wxT("")); else m_queue.Post(dialog.GetValue()); } void OnShowMsg(wxCommandEvent &e) { ShowMessageParam* pParam = (ShowMessageParam*) e.GetClientData(); if (pParam->m_topMost) { if (!IsActive()) RequestUserAttention (wxUSER_ATTENTION_ERROR); pParam->m_style |= wxSTAY_ON_TOP; } int iResult = wxMessageBox (pParam->m_message, pParam->m_caption, pParam->m_style, this); delete pParam; m_queue.Post(wxString::Format(wxT("%d"), iResult)); } void OnProgressTimer(wxTimerEvent& event) { WaitProgessBar->Pulse(); } virtual void Run(void) { ShowModal(); if (m_pRoutine->HasException()) ThrowException(m_pRoutine->m_pException); } void ThrowException(Exception* ex); protected: WaitThread* m_thread; bool m_bThreadRunning; wxTimer m_timer; wxMessageQueue m_queue; }; } #endif // TC_HEADER_Main_Forms_WaitDialog '>88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 
/** @file
GOST89 implementation

Copyright (c) 2016. Disk Cryptography Services for EFI (DCS), Alex Kolotnikov

This program and the accompanying materials
are licensed and made available under the terms and conditions
of the Apache License, Version 2.0.  
The full text of the license may be found at
https://opensource.org/licenses/Apache-2.0

Dynamic SBOX idea is from GostCrypt project. Copyright (c) 2008-2011 TrueCrypt Developers Association
**/



#include "GostCipher.h"
#include "Streebog.h"
#include "cpu.h"

#if defined(CIPHER_GOST89)

// Crypto Pro
byte S_CryptoPro[8][16] = {
	{0x1,0x3,0xA,0x9,0x5,0xB,0x4,0xF,0x8,0x6,0x7,0xE,0xD,0x0,0x2,0xC},
	{0xD,0xE,0x4,0x1,0x7,0x0,0x5,0xA,0x3,0xC,0x8,0xF,0x6,0x2,0x9,0xB},
	{0x7,0x6,0x2,0x4,0xD,0x9,0xF,0x0,0xA,0x1,0x5,0xB,0x8,0xE,0xC,0x3},
	{0x7,0x6,0x4,0xB,0x9,0xC,0x2,0xA,0x1,0x8,0x0,0xE,0xF,0xD,0x3,0x5},
	{0x4,0xA,0x7,0xC,0x0,0xF,0x2,0x8,0xE,0x1,0x6,0x5,0xD,0xB,0x9,0x3},
	{0x7,0xF,0xC,0xE,0x9,0x4,0x1,0x0,0x3,0xB,0x5,0x2,0x6,0xA,0x8,0xD},
	{0x5,0xF,0x4,0x0,0x2,0xD,0xB,0x9,0x1,0x7,0x6,0x3,0xC,0xE,0xA,0x8},
	{0xA,0x4,0x5,0x6,0x8,0x1,0x3,0x7,0xD,0xC,0xE,0x0,0x9,0x2,0xB,0xF}
	};

// TC26
byte S_TC26[8][16] =
{
	{ 0xc, 0x4, 0x6, 0x2, 0xa, 0x5, 0xb, 0x9, 0xe, 0x8, 0xd, 0x7, 0x0, 0x3, 0xf, 0x1 },
	{ 0x6, 0x8, 0x2, 0x3, 0x9, 0xa, 0x5, 0xc, 0x1, 0xe, 0x4, 0x7, 0xb, 0xd, 0x0, 0xf },
	{ 0xb, 0x3, 0x5, 0x8, 0x2, 0xf, 0xa, 0xd, 0xe, 0x1, 0x7, 0x4, 0xc, 0x9, 0x6, 0x0 },
	{ 0xc, 0x8, 0x2, 0x1, 0xd, 0x4, 0xf, 0x6, 0x7, 0x0, 0xa, 0x5, 0x3, 0xe, 0x9, 0xb },
	{ 0x7, 0xf, 0x5, 0xa, 0x8, 0x1, 0x6, 0xd, 0x0, 0x9, 0x3, 0xe, 0xb, 0x4, 0x2, 0xc },
	{ 0x5, 0xd, 0xf, 0x6, 0x9, 0x2, 0xc, 0xa, 0xb, 0x7, 0x8, 0x1, 0x4, 0x3, 0xe, 0x0 },
	{ 0x8, 0xe, 0x2, 0x5, 0x6, 0x9, 0x1, 0xc, 0xf, 0x4, 0xb, 0x0, 0xd, 0xa, 0x3, 0x7 },
	{ 0x1, 0x7, 0xe, 0xd, 0x0, 0x5, 0x8, 0x3, 0x4, 0xf, 0xa, 0x6, 0x9, 0xc, 0xb, 0x2 },
};

void gost_prepare_kds(gost_kds* kds) {
	uint32 i;
	// Build substitution tables. 
	for (i = 0; i < 256; ++i) {
		uint32 p;
		p = kds->sbox[7][i >> 4] << 4 | kds->sbox[6][i & 15];
		p = p << 24; p = p << 11 | p >> 21;
		kds->sbox_cvt[i] = p; // S87

		p = kds->sbox[5][i >> 4] << 4 | kds->sbox[4][i & 15];
		p = p << 16; p = p << 11 | p >> 21;
		kds->sbox_cvt[256 + i] = p; // S65

		p = kds->sbox[3][i >> 4] << 4 | kds->sbox[2][i & 15];
		p = p << 8; p = p << 11 | p >> 21;
		kds->sbox_cvt[256 * 2 + i] = p; // S43

		p = kds->sbox[1][i >> 4] << 4 | kds->sbox[0][i & 15];
		p = p << 11 | p >> 21;
		kds->sbox_cvt[256 * 3 + i] = p; // S21
	}
}


static void xor_s_box(byte s_box[8][16], byte *seed)
{
   int i;
   for (i = 0; i < 16; i++)
   {
      s_box[0][i] ^= (seed[ (i * 4) + 0 ]   ) & 0xF;
      s_box[1][i] ^= (seed[ (i * 4) + 0 ]>>4) & 0xF;
      s_box[2][i] ^= (seed[ (i * 4) + 1 ]   ) & 0xF;
      s_box[3][i] ^= (seed[ (i * 4) + 1 ]>>4) & 0xF;
      s_box[4][i] ^= (seed[ (i * 4) + 2 ]   ) & 0xF;
      s_box[5][i] ^= (seed[ (i * 4) + 2 ]>>4) & 0xF;
      s_box[6][i] ^= (seed[ (i * 4) + 3 ]   ) & 0xF;
      s_box[7][i] ^= (seed[ (i * 4) + 3 ]>>4) & 0xF;
   }
}

void gost_set_key(const byte *key, gost_kds *ks, int useDynamicSbox)
{
	memcpy(ks->key, key, GOST_KEYSIZE);
	memcpy(ks->sbox, S_TC26, sizeof(ks->sbox));

    if (useDynamicSbox)
    {
	    STREEBOG_CTX sctx;
	    byte sbox_seed[64];
#if defined (DEVICE_DRIVER) && !defined (_WIN64)
	    KFLOATING_SAVE floatingPointState;
	    NTSTATUS saveStatus = STATUS_INVALID_PARAMETER;
	    if (HasSSE2() || HasSSE41())
		    saveStatus = KeSaveFloatingPointState (&floatingPointState);
#endif
	    //Generate pseudorandom data based on the key
	    STREEBOG_init(&sctx);
	    STREEBOG_add(&sctx, ks->key, 32);
	    STREEBOG_finalize(&sctx, sbox_seed);

#if defined (DEVICE_DRIVER) && !defined (_WIN64)
	    if (NT_SUCCESS (saveStatus))
		    KeRestoreFloatingPointState (&floatingPointState);
#endif

	    xor_s_box(ks->sbox, sbox_seed);
    }

	gost_prepare_kds(ks);
}

static uint32 f(uint32 v, uint32* sbox){
   byte* x =(byte*) &v;
   /* Do substitutions */
   return sbox[x[3]] | sbox[256 + x[2]] | sbox[256*2 + x[1]] | sbox[256*3 + x[0]];
}

void gost_encrypt_block(uint64 in_, uint64* out_, gost_kds* kds) {
   uint32* in  = (uint32*)&in_;
   uint32* out = (uint32*)out_;
	uint32* key = (uint32*)kds->key;
	uint32* sbox = kds->sbox_cvt;

   // As named in the GOST
   uint32 n1 = in[0];
   uint32 n2 = in[1];

	n2 ^= f(n1+key[0], sbox);
   n1 ^= f(n2+key[1], sbox);
   n2 ^= f(n1+key[2], sbox);
   n1 ^= f(n2+key[3], sbox);
   n2 ^= f(n1+key[4], sbox);
   n1 ^= f(n2+key[5], sbox);
   n2 ^= f(n1+key[6], sbox);
   n1 ^= f(n2+key[7], sbox);

   n2 ^= f(n1+key[0], sbox);
   n1 ^= f(n2+key[1], sbox);
   n2 ^= f(n1+key[2], sbox);
   n1 ^= f(n2+key[3], sbox);
   n2 ^= f(n1+key[4], sbox);
   n1 ^= f(n2+key[5], sbox);
   n2 ^= f(n1+key[6], sbox);
   n1 ^= f(n2+key[7], sbox);

   n2 ^= f(n1+key[0], sbox);
   n1 ^= f(n2+key[1], sbox);
   n2 ^= f(n1+key[2], sbox);
   n1 ^= f(n2+key[3], sbox);
   n2 ^= f(n1+key[4], sbox);
   n1 ^= f(n2+key[5], sbox);
   n2 ^= f(n1+key[6], sbox);
   n1 ^= f(n2+key[7], sbox);

   n2 ^= f(n1+key[7], sbox);
   n1 ^= f(n2+key[6], sbox);
   n2 ^= f(n1+key[5], sbox);
   n1 ^= f(n2+key[4], sbox);
   n2 ^= f(n1+key[3], sbox);
   n1 ^= f(n2+key[2], sbox);
   n2 ^= f(n1+key[1], sbox);
   n1 ^= f(n2+key[0], sbox);

   // There is no swap after the last round
   out[0] = n2;
   out[1] = n1;
}

void gost_decrypt_block(uint64 in_, uint64* out_, gost_kds* kds) {
   uint32* in  = (uint32*)&in_;
   uint32* out = (uint32*)out_;
	uint32* key = (uint32*)kds->key;
	uint32* sbox = kds->sbox_cvt;

   // As named in the GOST
   uint32 n1 = in[0];
   uint32 n2 = in[1];

   n2 ^= f(n1+key[0], sbox);
   n1 ^= f(n2+key[1], sbox);
   n2 ^= f(n1+key[2], sbox);
   n1 ^= f(n2+key[3], sbox);
   n2 ^= f(n1+key[4], sbox);
   n1 ^= f(n2+key[5], sbox);
   n2 ^= f(n1+key[6], sbox);
   n1 ^= f(n2+key[7], sbox);

   n2 ^= f(n1+key[7], sbox);
   n1 ^= f(n2+key[6], sbox);
   n2 ^= f(n1+key[5], sbox);
   n1 ^= f(n2+key[4], sbox);
   n2 ^= f(n1+key[3], sbox);
   n1 ^= f(n2+key[2], sbox);
   n2 ^= f(n1+key[1], sbox);
   n1 ^= f(n2+key[0], sbox);

   n2 ^= f(n1+key[7], sbox);
   n1 ^= f(n2+key[6], sbox);
   n2 ^= f(n1+key[5], sbox);
   n1 ^= f(n2+key[4], sbox);
   n2 ^= f(n1+key[3], sbox);
   n1 ^= f(n2+key[2], sbox);
   n2 ^= f(n1+key[1], sbox);
   n1 ^= f(n2+key[0], sbox);

   n2 ^= f(n1+key[7], sbox);
   n1 ^= f(n2+key[6], sbox);
   n2 ^= f(n1+key[5], sbox);
   n1 ^= f(n2+key[4], sbox);
   n2 ^= f(n1+key[3], sbox);
   n1 ^= f(n2+key[2], sbox);
   n2 ^= f(n1+key[1], sbox);
   n1 ^= f(n2+key[0], sbox);

   out[0] = n2;
   out[1] = n1;
}

#if defined(_M_AMD64)
void gost_encrypt_128_CBC_asm(const byte *in, byte *out, gost_kds *ks, uint64 count);
void gost_decrypt_128_CBC_asm(const byte *in, byte *out, gost_kds *ks, uint64 count);
#endif

void gost_encrypt(const byte *in, byte *out, gost_kds *ks, int count) {
#if defined(_M_AMD64)
	gost_encrypt_128_CBC_asm(in, out, ks, (uint64)count);
#else
	while (count > 0) {
		// encrypt two blocks in CBC mode
		gost_encrypt_block(*((uint64*)in), (uint64*)out, ks);
		*((gst_udword*)(out + 8)) = *((gst_udword*)(in + 8)) ^ *((gst_udword*)(out));
		*((gst_udword*)(out + 12)) = *((gst_udword*)(in + 12)) ^ *((gst_udword*)(out + 4));
		gost_encrypt_block(*((uint64*)(out + 8)), (uint64*)(out + 8), ks);
		count--;
		in += 16;
		out += 16;
	}
#endif
}

void gost_decrypt(const byte *in, byte *out, gost_kds *ks, int count) {
#if defined(_M_AMD64)
	gost_decrypt_128_CBC_asm(in, out, ks, (uint64)count);
#else
	while (count > 0) {
		// decrypt two blocks in CBC mode
		gost_decrypt_block(*((uint64*)(in + 8)), (uint64*)(out + 8), ks);
		*((gst_udword*)(out + 8)) ^= *((gst_udword*)(in));;
		*((gst_udword*)(out + 12)) ^= *((gst_udword*)(in + 4));;
		gost_decrypt_block(*((uint64*)(in)), (uint64*)(out), ks);
		count--;
		in += 16;
		out += 16;
	}
#endif
}

#endif