A Lightweight Authentication with Dynamic Batch-Based Group Key Management Using LSTM in VANET

Algorithm 1

Average waiting time experiment process.

	Input: number of nodes n, average request cycle time tp.
	Output: average request waiting delay
(1)	request = = false;
(2)	while(int i ≤ n)
(3)	{ if(request)
(4)	{  =   − ;
(5)	W =   + Tag;
(6)	queue.add(W);
(7)	for(int m = 0; m < queue.size(); m++)
(8)	{ int sum+ = queue.get(m)
(9)	if(sum ≥ 7){
(10)	then trigger a new update;
(11)	= current time; }
(12)	break;
(13)	}
(14)	}
(15)	}
(16)	for(int m = 1; m<= ; m++)
(17)	{  =  -;
(18)	;
(19)	}
(20)	;
(21)	return ;