packer-cn/website/source/partials/builders/_aws-ssh-differentiation-table.html.md

Which SSH Options to use:

This chart breaks down what Packer does if you set any of the below SSH options:

ssh_password	ssh_private_key_file	ssh_keypair_name	temporary_key_pair_name	Packer will...
X	-	-	-	ssh authenticating with username and given password
-	X	-	-	ssh authenticating with private key file
-	X	X	-	ssh authenticating with given private key file and "attaching" the keypair to the instance
-	-	-	X	Create a temporary ssh keypair with a particular name, clean it up
-	-	-	-	Create a temporary ssh keypair with a default name, clean it up