times.h

基于计算机特征码的软件注册加密及序列号生成的源程序

CString ChangeNum(CString num)
{   
	int i = 0;
	while(i < num.GetLength())
	{
		char t1 = 'A';
		char t2 = 'Z';
		num.SetAt(i,num[i]^(i%2 ? t1 : t2));
		i++;
	}
	return num;
}

UINT CStringToInt(CString str)
{
	char a[20];
	strcpy(a, str.GetBuffer(str.GetLength()));
	str.ReleaseBuffer();
	return (UINT)atoi(a);
}