String ReadSecret()
{
	DisableEcho();
	String s = ReadStdIn();
	EnableEcho();
	Cout().PutEol();
	return s;
}

void EnableEcho(bool b)
{
#ifdef PLATFORM_POSIX
	termios t;
	tcgetattr(STDIN_FILENO, &t);
	if(b) t.c_lflag |=  ECHO;
	else  t.c_lflag &= ~ECHO;
	tcsetattr(STDIN_FILENO, TCSADRAIN, &t);
#elif PLATFORM_WIN32
	HANDLE h = GetStdHandle(STD_INPUT_HANDLE);
	DWORD mode = 0;
	GetConsoleMode(h, &mode);
	if(b) mode |=  ENABLE_ECHO_INPUT;
	else  mode &= ~ENABLE_ECHO_INPUT;
	SetConsoleMode(h, mode);
#endif	
}