Bridging the airgap
Dirk-Willem van Gulik
dirkx at webweaving.org
Mon Aug 7 13:38:09 CEST 2017
> On 7 Aug 2017, at 13:28, Neal H. Walfield <neal at walfield.org> wrote:
> to do anything advanced with the cards.) But, I think it would be
> great if the smartcards at least had enough information to recovery
> the public key. I've added Achim Pietig in cc. Perhaps he can
> comment on whether it is possible to add it to the spec.
Yes - we find it useful.
As this lets us extend the expiry of cards with relative ease - while keeping the compliance and infosec load managable (airgapped, not having to argue you do not have broad footprint, and with an `axiomatic’ need to have the thing (3 subkeys) that crossed the airgap already have cross that gap already).
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