Re: [Opensc-devel] "Waiting for touch" notification

[Martin P. <ma...@ma...>]

Hi,

I made a wrapper for OSX that shows a notification when the PGP keys are 
used, can probably be extended to work on Linux etc.

Will publish the setup guide on Github after I verify that the 
instructions are repeatable.

Martin

On 16/10/2016 19:02, Thomas Habets wrote:
> When it's waiting for a touch it just waits with no user notification
> outside of the yubikey blinking. Since I have a Yubikey 4 Nano the
> blinking is not always in view, which makes me type "ssh"/"git push"
> and just stare at the screen.
>
> Has anyone explored how to surface this "please touch the smartcard"
> or something message to the user with opensc?
>
> I can imagine an ugly solution where if there's an outstanding "sign"
> operation for more than epsilon time, then maybe connect to this unix socket
> and say something, or shell out to this command. I can then use that
> to do something better than, but similar to, running:
>    xmessage 'touch the yubikey'
>
> [1] https://blog.habets.se/2016/01/Yubikey-4-for-SSH-with-physical-presence-proof
>