How to generate SSH public key from private key

Fri, Apr 20, 2012

Normally you will generate and store a pair of SSH public and private key. But do you know you can generate public key from private key with ease? Here is the trick:

1. For OpenSSH key: Open terminal and type:

ssh-keygen -y

1. For PuTTY key: Open PuttyGen program and choose Load key. Public key will show up.

Have fun.