createpass2.cpp

由用户指定密码最大长度生成密码字典

// CreatePass2.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include "CreatePass2.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
long nminl=1,nmaxl=3;
void CreatePass()
{
	#define passwordmax 8
	char a[]="0123456789abcdefghijklmnopqrstuvwxyz";
	long ndictcount=sizeof(a);
	char cpass[passwordmax+2];
	long array[passwordmax];
	ASSERT(nminl<=nmaxl&&nmaxl<=passwordmax);
	long nlenghth=nminl;
	register long j,i=0;
	bool bnext;
	CStdioFile file;
	file.Open("E:\\CreatePass2\\dict.txt",CFile::modeCreate|CFile::modeWrite);//
	while(nlenghth<=nmaxl)
	{
		for(i=0;i<passwordmax;i++)
			array[i]=0;
			bnext=true;
		while(bnext)
		{
			for(i=0;i<nlenghth;i++)
				cpass[i]=a[array[i]];
				cpass[i]='\0';
				file.WriteString(cpass);
				file.WriteString("\n");
				for(j=nlenghth-1;j>=0;j--)
				{
					array[j]++;
					if(array[j]!=ndictcount-1) break;
					else
					{
						array[j]=0;
						if(j==0) bnext=false;
					}
				}
		}
		nlenghth++;
	}
	file.Close();
}
/////////////////////////////////////////////////////////////////////////////
// The one and only application object

CWinApp theApp;

using namespace std;

int _tmain(int argc, TCHAR* argv[], TCHAR* envp[])
{
	int nRetCode = 0;

	// initialize MFC and print and error on failure
	if (!AfxWinInit(::GetModuleHandle(NULL), NULL, ::GetCommandLine(), 0))
	{
		// TODO: change error code to suit your needs
		cerr << _T("Fatal Error: MFC initialization failed") << endl;
		nRetCode = 1;
	}
	else
	{
		// TODO: code your application's behavior here.
		CString strHello;
		strHello="请输入生成密码的位数：\n";
		cout<<(LPCTSTR)strHello<<endl;
		cin>>nmaxl;
		strHello.LoadString(IDS_HELLO);
		CreatePass();
		cout << (LPCTSTR)strHello << endl;
	}

	return nRetCode;
}