private data objects on smartcard

mailing list mailinglisten at posteo.de
Fri Jan 31 00:39:11 CET 2020


On 31.01.20 at 00:14 it was said by Damien Goutte-Gattat:

> On Thu, Jan 30, 2020 at 11:24:54PM +0100, mailing list via Gnupg-users
> wrote:
>> How do you write to these objects? Can GnuPG do this? I didn´t found
>> any way with --card-edit or --card-status.
> 
> You can use the (undocumented) command "privatedo" from GnuPG's
> --card-edit menu. For example, to write into the private DO #1:

Great, thanks!


>  S EXTCAP gc=1+ki=1+fc=1+pd=1+mcl3=2048+aac=1+sm=0+si=5+dec=0+bt=1+kdf=1

By the way, is mcl3 the length of the key currently living on the
smartcard or the maximum key length supported by this card?
I just play with a card version 1.1 and mcl3 is 0 there..... Version 1.1
support 1024 RSA AFAIK.

Thanks!



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