#pentest find passphrase on encrypted ssh private key

root@kali:/home/userx/.ssh# ssh2john id_rsa > id_rsa.jtr-hash

root@kali:/home/userx/.ssh# john id_rsa.jtr-hash
Using default input encoding: UTF-8
Loaded 1 password hash (SSH [RSA/DSA 32/32])
Press 'q' or Ctrl-C to abort, almost any other key for status
starwars         (id_rsa)
1g 0:00:00:00 DONE 2/3 (2018-05-26 22:00) 7.692g/s 96461p/s 96461c/s 96461C/s starwars
Use the "--show" option to display all of the cracked passwords reliably
Session completed

root@kali:/home/aokan/.ssh# john --show id_rsa.jtr-hash 

id_rsa:starwars

1 password hash cracked, 0 left