OpenPGP Card ECC status?
simon at josefsson.org
Tue Sep 9 08:41:22 CEST 2014
Werner Koch <wk at gnupg.org> writes:
> On Wed, 3 Sep 2014 23:23, simon at josefsson.org said:
>> Thanks for the update on the OpenPGP Card spec! That all sounds good.
>> I'm hoping Werner can comment on what's left to do in GnuPG.
> I would really like to see Ed25519 and Curve25519 DH support in a card.
So do I.. I'm hoping this won't be too far away, but I think there is
value in getting experience with the existing ECC standards with GnuPG
and with smartcards, since that appears to be lower-hanging-fruit.
> For the old curves the card should behave similar to gpg-agent; thus
> being protocol neutral and it is not required that the rfc-6637 ECDH
> algorithm is implemented by the card.
>> Achim Pietig <achim at pietig.com> writes:
>>> sign and auth is clear at the moment - all new standards only support
>>> Brainpool, NIST was stripped of from all papers after the NSA problem
> If the NIST curves are found to be bugged we should also be cautious
> with the Brainpool curves.
Yeah, to me they fall into the same class.
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