“Key is invalid” message on GitHub

Question

I have generated SSH keys for a new server installation according to the procedure outlined here. However, when I copy the contents of id_rsa.pub to my keys list on

Answer 1

If you have indeed copied the content of your id_rsa.pub key (in one continuous line), the result should look like (from The GitHub ssh help page):

The OP louism confirms a copy-paste issue:

• For a very obscure reason, copy-pasting from emacs removed the \n after ssh-rsa, and that was causing the problem.
• Copy-pasting from vi solved the problem.