我正在尝试使用 aws EC2 实例上的证书颁发机构通过 SSH 提供临时访问，但无法正确执行。您能否帮助指导如何实现这一目标？过程如下所述：
Step 1: Generate CA certificate on user's machine (currently doing for testing) : ssh-keygen -f ssh_ca
Step 2: Generate user's ssh keys using (on users machine): ssh-keygen
-f user_ssh_key
Step 3: Generate CA approved public key using user's public key: ssh-keygen -s ssh_ca -I host_name -h -n host_name -V +1d user_ssh_key.pub , this gives user_ssh_key-cert.pub (Public key which is signed)
Step 4: Copied ssh_ca.pub (CA pub key) and user_ssh_key ,user_ssh_key-cert.pub (user's pub and private …