内核编程-获取一个随机数

// 获取一个随机数
CSHORT FK_Core_GetRandNum(
	IN VOID)
{
	static CHAR  szTime[128];
	LARGE_INTEGER SystemTime;
	LARGE_INTEGER LocalTime;
	TIME_FIELDS  timeFiled;
	KeQuerySystemTime(&SystemTime);
	ExSystemTimeToLocalTime(&SystemTime, &LocalTime);
	RtlTimeToTimeFields(&LocalTime, &timeFiled);
	return timeFiled.Milliseconds;
}