calldata.cpp

此为本书的配套光盘.本书不但由浅入深地讲解了软件保护技术

/********************************************************************

	Copyright (c) Beijing Feitian Technologies
	http://www.FTSafe.com

	File :		CallData.cpp	

	Created:	2003/11/04

	Author:		yihai
	
	Purpose:	?

	Revision:	?

*********************************************************************/
// CallData.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"

#include <windows.h>

typedef int (*TPFN_Sum)(int x,int y);

BYTE	g_pMyGod[1024] = {0x8B, 0x44, 0x24, 0x08, 0x8B, 0x4C, 0x24, 0x04, 0x03, 0xC1, 0xC3};

int main(int argc, char* argv[])
{
	TPFN_Sum  pCallProc=NULL;

	pCallProc = (TPFN_Sum)&g_pMyGod[0];
	int s = pCallProc(3,5);

	char szBuf[512];
	wsprintf(szBuf,"Sum is %d",s);
	MessageBox(NULL,szBuf,"CallData",MB_OK);

	return 0;
}