desidea.h

一个可以加密解密的算法

#include <windows.h>
#include <stdlib.h>
#include <math.h>

#define IDB_EXECUTE		0
#define	IDB_CLEAR		1
#define IDB_EXIT		2

#define maxim		65537
#define	fuyi		65536
#define	one			65535

LRESULT CALLBACK  WndProc(HWND,UINT,WPARAM,LPARAM);
BOOL WINAPI Char2Dword(HWND hCtrl);
void WINAPI Dword2Char(HWND hCtrl);
void WINAPI GetZhMask(void);
void WINAPI ZHIP(DWORD *inputh,DWORD *inputl);
void WINAPI ZHIP1(DWORD *inputh,DWORD *inputl);
void WINAPI ZHE(DWORD *input,DWORD *outputh,DWORD *outputl);
void WINAPI ZHP(DWORD *input);
void WINAPI ZHPC1(DWORD *inputh,DWORD *inputl);
void WINAPI ZHPC2(DWORD *inputh,DWORD *inputl,DWORD *outputh,DWORD *outputl);
void WINAPI LeftShift1(DWORD *input);
void WINAPI LeftShift2(DWORD *input);
void WINAPI GetSubKey(void);
DWORD WINAPI GetFunc(DWORD Ri,int cnt);
void WINAPI endes(void);
void WINAPI dedes(void);
//IDEA
void WINAPI key(void);
void WINAPI dekey(void);
WORD WINAPI mul(WORD x,WORD y);
WORD WINAPI inv(WORD xin);
void WINAPI enIDEA(void);
void WINAPI deIDEA(void);

	HWND hExc,hCls,hExt;							//按钮句柄
	HWND hMesS,hMesE;								//明文句柄
	HWND hCryS,hCryE;								//密文句柄
	HWND hKeyS,hKeyE;								//密钥句柄
	HWND hGroup,hEnDes,hDeDes,hEnIdea,hDeIdea;		//
	char Buf[50];
	int type;			//1(DES加密);2(DES解密);3(IDEA加密);4(IDEA解密)
	HWND hwnd;	
	HINSTANCE hCurInst;
	DWORD ZhMask[33];		//置换屏蔽数组
	DWORD Msgh,Msgl;		//明文64bit(Msgh为前32bit,Msgl为后32bit)
	DWORD Keyh,Keyl;		//DES密钥64bit(Keyh为前32bit,Keyl为后32bit)
	DWORD IDEAKey[4];		//IDEA密钥128bit
	DWORD Cryh,Cryl;		//密文64bit(Cryh为前32bit,Cryl为后32bit)
	DWORD SubKey[16][2];	//DES子密钥16个,每个48bit(前24bit在SubKey[i][0]中,后24bit在SubKey[i][1]中)
	WORD Z[7][10],DK[7][10];//IDEA的加密子密钥和解密子密钥
	//左移位数
	BYTE lshift[]={1,1,2,2,2,2,2,2,1,2,2,2,2,2,2,1};
	//E置换表
	BYTE etable[]={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};
	//P置换表
	BYTE ptable[]={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};
	//PC-1置换表
	BYTE pc1table[]={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};
	//PC-2置换表
	BYTE pc2table[]={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};
	//S盒置换表
	BYTE SBOX[8][64]={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,
				   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,
				   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,
				   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,
				   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,
				   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,
				   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,
				   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};