📄 ir chat.cpp
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#include <windows.h>
#include <aygshell.h>
#include "resource.h"
#include "Ir Chat.h"
#include <tpcshell.h>
#pragma comment(lib,"aygshell")
//----------------------------------------------------------------
// initial permutation IP 初始换位
const static char IP_Table[64] = {
58, 50, 42, 34, 26, 18, 10, 2, 60, 52, 44, 36, 28, 20, 12, 4,
62, 54, 46, 38, 30, 22, 14, 6, 64, 56, 48, 40, 32, 24, 16, 8,
57, 49, 41, 33, 25, 17, 9, 1, 59, 51, 43, 35, 27, 19, 11, 3,
61, 53, 45, 37, 29, 21, 13, 5, 63, 55, 47, 39, 31, 23, 15, 7
};
// final permutation IP^-1 逆初始换位
const static char IPR_Table[64] = {
40, 8, 48, 16, 56, 24, 64, 32, 39, 7, 47, 15, 55, 23, 63, 31,
38, 6, 46, 14, 54, 22, 62, 30, 37, 5, 45, 13, 53, 21, 61, 29,
36, 4, 44, 12, 52, 20, 60, 28, 35, 3, 43, 11, 51, 19, 59, 27,
34, 2, 42, 10, 50, 18, 58, 26, 33, 1, 41, 9, 49, 17, 57, 25
};
// expansion operation matrix
static const char E_Table[48] = {
32, 1, 2, 3, 4, 5, 4, 5, 6, 7, 8, 9,
8, 9, 10, 11, 12, 13, 12, 13, 14, 15, 16, 17,
16, 17, 18, 19, 20, 21, 20, 21, 22, 23, 24, 25,
24, 25, 26, 27, 28, 29, 28, 29, 30, 31, 32, 1
};
// 32-bit permutation function P used on the output of the S-boxes
const static char P_Table[32] = {
16, 7, 20, 21, 29, 12, 28, 17, 1, 15, 23, 26, 5, 18, 31, 10,
2, 8, 24, 14, 32, 27, 3, 9, 19, 13, 30, 6, 22, 11, 4, 25
};
// permuted choice table (key)
const static char PC1_Table[56] = {
57, 49, 41, 33, 25, 17, 9, 1, 58, 50, 42, 34, 26, 18,
10, 2, 59, 51, 43, 35, 27, 19, 11, 3, 60, 52, 44, 36,
63, 55, 47, 39, 31, 23, 15, 7, 62, 54, 46, 38, 30, 22,
14, 6, 61, 53, 45, 37, 29, 21, 13, 5, 28, 20, 12, 4
};
// permuted choice key (table)
const static char PC2_Table[48] = {
14, 17, 11, 24, 1, 5, 3, 28, 15, 6, 21, 10,
23, 19, 12, 4, 26, 8, 16, 7, 27, 20, 13, 2,
41, 52, 31, 37, 47, 55, 30, 40, 51, 45, 33, 48,
44, 49, 39, 56, 34, 53, 46, 42, 50, 36, 29, 32
};
// number left rotations of pc1
const static char LOOP_Table[16] = {
1,1,2,2,2,2,2,2,1,2,2,2,2,2,2,1
};
// The (in)famous S-boxes
const static char S_Box[8][4][16] = {
// S1
14, 4, 13, 1, 2, 15, 11, 8, 3, 10, 6, 12, 5, 9, 0, 7,
0, 15, 7, 4, 14, 2, 13, 1, 10, 6, 12, 11, 9, 5, 3, 8,
4, 1, 14, 8, 13, 6, 2, 11, 15, 12, 9, 7, 3, 10, 5, 0,
15, 12, 8, 2, 4, 9, 1, 7, 5, 11, 3, 14, 10, 0, 6, 13,
// S2
15, 1, 8, 14, 6, 11, 3, 4, 9, 7, 2, 13, 12, 0, 5, 10,
3, 13, 4, 7, 15, 2, 8, 14, 12, 0, 1, 10, 6, 9, 11, 5,
0, 14, 7, 11, 10, 4, 13, 1, 5, 8, 12, 6, 9, 3, 2, 15,
13, 8, 10, 1, 3, 15, 4, 2, 11, 6, 7, 12, 0, 5, 14, 9,
// S3
10, 0, 9, 14, 6, 3, 15, 5, 1, 13, 12, 7, 11, 4, 2, 8,
13, 7, 0, 9, 3, 4, 6, 10, 2, 8, 5, 14, 12, 11, 15, 1,
13, 6, 4, 9, 8, 15, 3, 0, 11, 1, 2, 12, 5, 10, 14, 7,
1, 10, 13, 0, 6, 9, 8, 7, 4, 15, 14, 3, 11, 5, 2, 12,
// S4
7, 13, 14, 3, 0, 6, 9, 10, 1, 2, 8, 5, 11, 12, 4, 15,
13, 8, 11, 5, 6, 15, 0, 3, 4, 7, 2, 12, 1, 10, 14, 9,
10, 6, 9, 0, 12, 11, 7, 13, 15, 1, 3, 14, 5, 2, 8, 4,
3, 15, 0, 6, 10, 1, 13, 8, 9, 4, 5, 11, 12, 7, 2, 14,
// S5
2, 12, 4, 1, 7, 10, 11, 6, 8, 5, 3, 15, 13, 0, 14, 9,
14, 11, 2, 12, 4, 7, 13, 1, 5, 0, 15, 10, 3, 9, 8, 6,
4, 2, 1, 11, 10, 13, 7, 8, 15, 9, 12, 5, 6, 3, 0, 14,
11, 8, 12, 7, 1, 14, 2, 13, 6, 15, 0, 9, 10, 4, 5, 3,
// S6
12, 1, 10, 15, 9, 2, 6, 8, 0, 13, 3, 4, 14, 7, 5, 11,
10, 15, 4, 2, 7, 12, 9, 5, 6, 1, 13, 14, 0, 11, 3, 8,
9, 14, 15, 5, 2, 8, 12, 3, 7, 0, 4, 10, 1, 13, 11, 6,
4, 3, 2, 12, 9, 5, 15, 10, 11, 14, 1, 7, 6, 0, 8, 13,
// S7
4, 11, 2, 14, 15, 0, 8, 13, 3, 12, 9, 7, 5, 10, 6, 1,
13, 0, 11, 7, 4, 9, 1, 10, 14, 3, 5, 12, 2, 15, 8, 6,
1, 4, 11, 13, 12, 3, 7, 14, 10, 15, 6, 8, 0, 5, 9, 2,
6, 11, 13, 8, 1, 4, 10, 7, 9, 5, 0, 15, 14, 2, 3, 12,
// S8
13, 2, 8, 4, 6, 15, 11, 1, 10, 9, 3, 14, 5, 0, 12, 7,
1, 15, 13, 8, 10, 3, 7, 4, 12, 5, 6, 11, 0, 14, 9, 2,
7, 11, 4, 1, 9, 12, 14, 2, 0, 6, 10, 13, 15, 3, 5, 8,
2, 1, 14, 7, 4, 10, 8, 13, 15, 12, 9, 0, 3, 5, 6, 11
};
//---------------------------------------------------------------
const TCHAR szAppName[]=TEXT("DES");
const char chzAppName[] = "IrComm";
HWND hMain;
HINSTANCE hInst;
//---------------------
char key[]={0,2,0,0,9,3,5,1,9,8,0,0,9,1,7};
static bool SubKey[2][16][48];// 16圈子密钥
static char Tmp[256], deskey[16];
enum {ENCRYPT,DECRYPT};
//static bool Is3DES;// 3次DES标志
static CHAR szASCIIMessage[32];
static TCHAR szMessage[16];
//---------------------
int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,
LPWSTR lpCmdLine,int nCmdShow){
// MSG msg;
HWND hWnd=0;
hInst = hInstance;
hWnd = FindWindow(NULL,szAppName);
if(hWnd)
{
SetForegroundWindow((HWND)(((DWORD)hWnd)|0x01));
return 0;
}
DialogBoxParam(hInst,TEXT("DLG_MAIN"),NULL,Main_DlgProc,LPARAM(lpCmdLine));
return 0;
}
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
HWND InitDialog(HWND hWnd){
// HANDLE hThread;
SHINITDLGINFO shidi;
memset(&shidi, 0, sizeof(shidi));
shidi.dwMask=SHIDIM_FLAGS;
shidi.dwFlags=SHIDIF_SIZEDLGFULLSCREEN;
shidi.hDlg=hWnd;
if(!SHInitDialog(&shidi))
return FALSE;
return hWnd;
}
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
BOOL ShowMenubar(HWND hwnd,int menuid){
SHMENUBARINFO mbi;
memset(&mbi, 0, sizeof(SHMENUBARINFO));
mbi.cbSize=sizeof(SHMENUBARINFO);
mbi.hwndParent=hwnd;
mbi.nToolBarId=menuid;
mbi.hInstRes=hInst;
if (!SHCreateMenuBar(&mbi))
return FALSE;
return TRUE;
}
//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
BOOL CALLBACK Main_DlgProc(HWND hWnd,UINT msg,WPARAM wp,LPARAM lp){
switch(msg){
case WM_INITDIALOG:
InitDialog(hWnd);
ShowMenubar(hWnd,MB_MAIN);
SetFocus(GetDlgItem(hWnd,IDE_Send));
OverrideBackKey(hWnd);
return TRUE;
case WM_HOTKEY:
SHSendBackToFocusWindow(msg,wp,lp);
return TRUE;
case WM_COMMAND:
switch(LOWORD(wp)){
case IDEncrypt:
GetDlgItemText (hWnd, IDE_Send, szMessage, dim(szMessage));
Add2List(hWnd,TEXT("Before Encrypt"));
Add2List(hWnd,szMessage);
WideCharToMultiByte(CP_ACP,NULL,szMessage,8,szASCIIMessage,16,NULL,NULL);
Des_Go(szASCIIMessage, szASCIIMessage, sizeof(szASCIIMessage), key, sizeof(key), ENCRYPT);
MultiByteToWideChar(CP_ACP,NULL,szASCIIMessage,16,szMessage,8);
Add2List(hWnd,TEXT("After Encrypt"));
Add2List(hWnd,szMessage);
SetFocus(GetDlgItem(hWnd,IDE_Send));
return TRUE;
case IDDecrypt:
Des_Go(szASCIIMessage,szASCIIMessage, sizeof(szASCIIMessage), key, sizeof(key), DECRYPT);
MultiByteToWideChar(CP_ACP,NULL,szASCIIMessage,16,szMessage,8);
Add2List(hWnd,TEXT("After Decrypt"));
Add2List(hWnd,szMessage);
SetFocus(GetDlgItem(hWnd,IDE_Send));
return TRUE;
case IDM_OK:
PostQuitMessage(0);
return TRUE;
}
return TRUE;
}
return FALSE;
}
// Add2List - Add string to the report list box.
void Add2List (HWND hWnd, LPTSTR lpszFormat, ...) {
int i, nBuf;
TCHAR szBuffer[512];
va_list args;
va_start(args, lpszFormat);
nBuf = _vstprintf(szBuffer, lpszFormat, args);
i = SendDlgItemMessage (hWnd, IDLB_Received, LB_ADDSTRING, 0,
(LPARAM)(LPCTSTR)szBuffer);
if (i != LB_ERR)
SendDlgItemMessage (hWnd, IDLB_Received, LB_SETTOPINDEX, i,
(LPARAM)(LPCTSTR)szBuffer);
va_end(args);
}
// MySetWindowText - Set window title to passed printf style string.
void MySetWindowText (HWND hWnd, LPTSTR lpszFormat, ...) {
int nBuf;
TCHAR szBuffer[512];
va_list args;
va_start(args, lpszFormat);
nBuf =_vstprintf(szBuffer, lpszFormat, args);
SetWindowText (hWnd, szBuffer);
va_end(args);
}
BOOL OverrideBackKey(HWND hwnd){
SendMessage(SHFindMenuBar(hwnd),SHCMBM_OVERRIDEKEY,VK_TBACK,
MAKELPARAM(SHMBOF_NODEFAULT | SHMBOF_NOTIFY,
SHMBOF_NODEFAULT | SHMBOF_NOTIFY));
return TRUE;
}
//------------------------------------------------------------------
bool Des_Go(char *Out, char *In, long datalen, const char *Key, int keylen, bool Type)
{
if( !( Out && In && Key && (datalen=(datalen+7)&0xfffffff8) ) ) //&位与。&0xfffffff8保证位与之后为8的整数，+7保证位与后=原来的长度
return false;
SetKey(Key, keylen);
for(long i=0,j=datalen>>3; i<j; ++i,Out+=8,In+=8)
DES(Out, In, &SubKey[0], Type);
/*
if( !Is3DES )
{ // 1次DES
for(long i=0,j=datalen>>3; i<j; ++i,Out+=8,In+=8)
DES(Out, In, &SubKey[0], Type);
}
else
{ // 3次DES 加密:加(key0)-解(key1)-加(key0) 解密::解(key0)-加(key1)-解(key0)
for(long i=0,j=datalen>>3; i<j; ++i,Out+=8,In+=8)
{
DES(Out, In, &SubKey[0], Type);
DES(Out, Out, &SubKey[1], !Type);
DES(Out, Out, &SubKey[0], Type);
}
}
*/
return true;
}
void SetKey(const char* Key, int len)
{
memset(deskey, 0, 16);
memcpy(deskey, Key, len>16?16:len);//超过16字节后只取前16字节
SetSubKey(&SubKey[0], &deskey[0]);
//当keylen>8时系统自动使用3次DES加/解密,否则使用标准DES加/解密
// Is3DES = len>8 ? (SetSubKey(&SubKey[1], &deskey[8]), true) : false;
}
void SetSubKey(PSubKey pSubKey, const char Key[8])//对16字节的Key分为两组
{
static bool K[64], *KL=&K[0], *KR=&K[28];
ByteToBit(K, Key, 64);//Key 8个字节，K 64位数组
Transform(K, K, PC1_Table, 56);
for(int i=0; i<16; ++i) {
RotateL(KL, 28, LOOP_Table[i]);
RotateL(KR, 28, LOOP_Table[i]);
Transform((*pSubKey)[i], K, PC2_Table, 48);
}
}
void ByteToBit(bool *Out, const char *In, int bits)
{
for(int i=0; i<bits; ++i)// bits = 64
Out[i] = (In[i>>3]>>(i&7)) & 1;// i>>3除8所得的商，(i&7)保留末尾3位，&1保留最后一位，>>右移比&按位与优先级高
}
void Transform(bool *Out, bool *In, const char *Table, int len)//子密匙换位
{
for(int i=0; i<len; ++i)
Tmp[i] = In[ Table[i]-1 ];
memcpy(Out, Tmp, len);
}
void RotateL(bool *In, int len, int loop)// 循环左移
{
memcpy(Tmp, In, loop);
memcpy(In, In+loop, len-loop);
memcpy(In+len-loop, Tmp, loop);
}
void BitToByte(char *Out, const bool *In, int bits)
{
memset(Out, 0, bits>>3);
for(int i=0; i<bits; ++i)
Out[i>>3] |= In[i]<<(i&7);
}
void DES(char Out[8], char In[8], const PSubKey pSubKey, bool Type)
{
static bool M[64], tmp[32], *Li=&M[0], *Ri=&M[32];
ByteToBit(M, In, 64);
Transform(M, M, IP_Table, 64);
if( Type == ENCRYPT ){
for(int i=0; i<16; ++i) {
memcpy(tmp, Ri, 32);
F_func(Ri, (*pSubKey)[i]);
Xor(Ri, Li, 32);
memcpy(Li, tmp, 32);
}
}else{
for(int i=15; i>=0; --i) {
memcpy(tmp, Li, 32);
F_func(Li, (*pSubKey)[i]);
Xor(Li, Ri, 32);
memcpy(Ri, tmp, 32);
}
}
Transform(M, M, IPR_Table, 64);
BitToByte(Out, M, 64);
}
void F_func(bool In[32], const bool Ki[48])
{
static bool MR[48];
Transform(MR, In, E_Table, 48);
Xor(MR, Ki, 48);
S_func(In, MR);
Transform(In, In, P_Table, 32);
}
void S_func(bool Out[32], const bool In[48])
{
for(char i=0,j,k; i<8; ++i,In+=6,Out+=4) {
j = (In[0]<<1) + In[5];
k = (In[1]<<3) + (In[2]<<2) + (In[3]<<1) + In[4];
ByteToBit(Out, &S_Box[i][j][k], 4);
}
}
void Xor(bool *InA, const bool *InB, int len)
{
for(int i=0; i<len; ++i)
InA[i] ^= InB[i];
}
//------------------------------------------------------------------
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