public static void encryptWaitingOrders(ArrayList<String> waitingOrders)
	{
		String waitingOrdersString = waitingOrders.get(0);
		for (int i=1; i<waitingOrders.size(); i++)
		{
			waitingOrdersString = waitingOrdersString + "\n" + waitingOrders.get(i);
		}
				
		byte[] waitingOrdersBytes = SellerEncryption.encryptString(waitingOrdersString);//encrypt waitingOrders using symmetric key
		File encryptedFile = new File ("WaitingTransactionsDatabase.txt");
		SellerEncryption.writeToFile(waitingOrdersBytes, encryptedFile); //save to file "WaitingTransactionsDatabase.txt"
	}