"gpg --card-edit" with multiple card readers (Yubikey)

Andrew Gallagher andrewg at andrewg.com
Mon Jul 17 17:36:39 CEST 2023

On 15 Jul 2023, at 20:36, Michael Richardson <mcr at sandelman.ca> wrote:
> Juanjo via Gnupg-users <gnupg-users at gnupg.org> wrote:
>> This may be a good starting point:
>> https://github.com/drduh/YubiKey-Guide
> "Keys stored on YubiKey are non-exportable (as opposed to file-based keys
> that are stored on disk) and are convenient for everyday use. "
> In my case, I want the same key on multiple devices, which 3 to 5 core
> members of an open source project will hold.
> (I am also considering if we want a higher security key which would be secret
> split across those keys, but we aren't building a CA here, but..)
> Is that possible with these devices?
> In some cases keys can be transfered in an encrypted form for another device,
> but not recovered by outsiders.

This is not possible with a Yubikey. If you want the same (sub)keys on multiple devices you must generate them on your laptop and copy them to each device in turn, remembering not to delete until you’re done.


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