$ ssh-keygen -t rsa -f identity
Generating public/private rsa key pair.
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in identity.
Your public key has been saved in identity.pub.
The key fingerprint is:
be:fe:1b:cc:ec:21:6b:d5:4d:db:75:00:99:92:8f:2d sss@server1
$ ls -l
total 16
-rw------- 1 sss staff 1675 Dec 05 13:21 identity
-rw-r--r-- 1 sss staff 397 Dec 05 13:21 identity.pub

It shows the same result, server refused our key