Generating a secret key associated
dropbearkey -t rsa -f id_rsa dropbearkey -y -f id_rsa | grep "^ssh-rsa" >> authorized_keys
2 is stored in the specified path
/ Etc / dropbear / authorized_keys (server)
/ Etc / dropbear / id_rsa (client)
3 Log
ssh -y -K 60 root@192.168.88.1 -i /etc/dropbear/id_rsa