ssh-keygen — authentication key generation, management and conversion

ahiliation@pluto:~$ ssh-keygen 
Generating public/private rsa key pair.
Enter file in which to save the key (/home/ahiliation/.ssh/id_rsa): 
Created directory '/home/ahiliation/.ssh'.
Enter passphrase (empty for no passphrase): 
Enter same passphrase again: 
Your identification has been saved in /home/ahiliation/.ssh/id_rsa.
Your public key has been saved in /home/ahiliation/.ssh/id_rsa.pub.
The key fingerprint is:
70:7f:99:30:63:19:1e:ea:0f:af:ce:7d:dd:e5:55:9a ahiliation@pluto.infoclub.in
The key's randomart image is:
+--[ RSA 2048]----+
|          o      |
|         o +     |
|      . o B      |
|       + o + o  .|
|        S . +  o.|
|         + .  E o|
|          o  . oo|
|       . o  . . o|
|       .+ ..     |
+-----------------+
ahiliation@pluto:~$