SSH Key problem Ubuntu 14.04. Password is need although my home machine and droplet are paired!?

I’m new to digital ocean and I used the automagical add SSH Key form to share my public key, however when I ssh from my mac I am prompted for a password. I never used a passphrase when generating the keys so why am I prompted for a password when none was applied and how can I fix it?

droplet using Ubuntu 14.04

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I was having the same problem. It turns out that at some point a line feed was added in the middle of the ssh key on Digital Ocean’s side. The fingerprint is still identical but ssh doesn’t work. Make sure the key you are pasting into your settings does not have any line breaks in it.

Something similar happens to me also. I have created a droplet and I have applied my existing ssh keys during droplet creation. Everything was working on the first attempt. When I come back the other day it prompts for a password. The same happened with another droplet before.