I found a solution .
Get Git Bash.
Then use the following command :
$ ssh-keygen -C youremail@provider.com
Save the ssh created into id_rsa ( default, suggested place )
youremail@provider.com is the email you used to create the cloudcontrol account .
Then go into your cloudcontrol account and add the content of the ~/.ssh/id_rsa.pub in the SSH keys input .