Remote signing?

[Matthias Urlichs]

Hello,

I wrote:
> I need to sign files remotely. They're moderately large, so transmitting
> them back to my firewalled-off laptop (I'm usually behind a slow line),
> where the secret key lives, isn't a good idea.
> 
> Ideas?

What happens if you have a smartcard, anyway -- doesn't the gpg agent
tunnel these requests?

Using standard gpg as the back end shouldn't be too much of a
stretch then..?