SSH Key Fingerprint

There has been an issue with Github recently where they noticed a security vulnerability that was recently discovered that made it possible for an attacker to add new SSH keys to arbitrary GitHub user accounts. This would have provided an attacker with clone/pull access to repositories with read permissions, and clone/pull/push access to repositories with write permissions. ( A post about this will be following this tip).

As a precaution before you can continue to use the service you have to authorise your ssh keys.  When I logged in it asked my to verify my ssh key fingerprint with what they have on record.  Well if you are like me and don't remember little details like this, there is a way you can find out.  This way I could check it without having to create new keys etc.

All you need to do is navigate to ~/.ssh and in there will be your keys, probably id_rsa and, then type

ssh-keygen -lf

From there it will display your fingerprint so you can confirm its correct, it this case for me everything matched up.

I am always interested in feedback so please feel free to add any comments, or you can mail me  here.  If you would like to submit a quick tip  with full credit and links back to your site then also feel free to contact me.

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