OpenPGP Card ECC status?

Simon Josefsson simon at
Tue Sep 9 16:01:04 CEST 2014

NIIBE Yutaka <gniibe at> writes:

> On 2014-09-09 at 08:41 +0200, Simon Josefsson wrote:
>> 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 smartcard/tokon part, I implemented NIST P256 curve in Gnuk around
> February 2013.  IIRC, I submitted an experimental patch for SCDaemon
> to support this, around March 2013.  I tested, it worked well for me.

Do you have a pointer to this patch?  I suspect that's what I'd like to
test to see if we can get it to work with the Yubikey NEO too.  Any
reason the patch hasn't been merged?

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