[wplug] Two-factor authentication systems on Linux

James O'Kane jo2y at midnightlinux.com
Wed Feb 2 18:33:04 EST 2011


On Wed, Feb 2, 2011 at 6:19 AM, Pat Barron <pat at tiderium.com> wrote:
> Can anyone speak to the topic of what two-factor authentication systems
> might be available on any current Linux distributions?  In particular,
> I've been looking lately for ways to get S/Key working on Debian and
> Fedora, and I can't seem to find any packages that would enable them.
> Also interested in other two-factor authentication schemes as well (my
> personal favorite is the good old Securenet Key, but as far as I know,
> those aren't manufactured anymore...).
>
> I know about YubiKey, but I'm less interested in that since it requires
> that you plug a physical piece of hardware into the machine you're
> working with.

You plug it into the computer you're typing on and it acts like a
keyboard. When you push the button, it places the OTP appers in
whatever has the input focus. If that happens to be an ssh session
then the OTP will go to the remote computer. There's no need to plug
it into the remove computer. It's nice since you don't need to
transcribe the OTP from another device.

> My interest has been sparked by messing around with various "software
> token" authentication tools on Android, trying to see if I can leverage
> something like that on some of my Linux systems.
>
> Thanks,
> --Pat.
>
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