Storing key on multiple smartcards

Robin H. Johnson robbat2 at
Mon May 6 06:25:23 CEST 2019

On Fri, May 03, 2019 at 04:26:23PM +0200, Werner Koch wrote:
> On Mon, 22 Apr 2019 13:43, gniibe at said:
> > Then, we don't need the serial number as shadow-info in private key file.
> The information is also used to prompt the user to insert a specific
> card.  The serial number is a good way to identify a card because it is
> printed onto the card.  However some configurable way to name a card is
> also useful.
It's NOT always printed on cards. I have multiple NitroKey Pro units,
and aside from my own labelling, there are no unit-specific identifiers
on the units themselves, or even on the internal cards.

Consider me entirely in favour of being able to specify an arbitrary

Robin Hugh Johnson
Gentoo Linux: Dev, Infra Lead, Foundation Treasurer
E-Mail   : robbat2 at
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