Is it possible to have the same authentication key on several smartcard ?

[tux.tsndcb at free.fr]

Hi werner,

I think I've the solution, could you confirm it please :

gpg2 --edit-key <my_key_id>
commande > addkey
RSA (sign only)

Thanks in advanced for your answer

Best Regards
----- Mail Original -----
De: "tux tsndcb" <tux.tsndcb at free.fr>
À: "Werner Koch" <wk at gnupg.org>
Cc: gnupg-users at gnupg.org
Envoyé: Jeudi 24 Septembre 2009 22h44:01 GMT +01:00 Amsterdam / Berlin / Berne / Rome / Stockholm / Vienne
Objet: Is it possible to have the same authentication key on several smartcard ?

Hi Werner,

Sorry, but I've need more informations about it.

I tried this :

gpg2 --edit-key <my_key_id>
commande > genkey => commande invalide , may be you wanted to say addkey ?, but in this case what choice : RSA (sign only) or RSA (encrypt only) ?

Thanks in advanced for these informations and your answer.

Best Regards


----- Mail Original -----
De: "tux tsndcb" <tux.tsndcb at free.fr>
À: "Werner Koch" <wk at gnupg.org>
Cc: gnupg-users at gnupg.org
Envoyé: Mercredi 23 Septembre 2009 14h45:37 GMT +01:00 Amsterdam / Berlin / Berne / Rome / Stockholm / Vienne
Objet: Is it possible to have the same authentication key on several smartcard ?

Hi Werner,

Many thanks for your answer, I will try it.

Best Regard

----- Mail Original -----
De: "Werner Koch" <wk at gnupg.org>
À: "tux tsndcb" <tux.tsndcb at free.fr>
Cc: gnupg-users at gnupg.org
Envoyé: Mercredi 23 Septembre 2009 13h36:49 GMT +01:00 Amsterdam / Berlin / Berne / Rome / Stockholm / Vienne
Objet: Re: Is it possible to have the same authentication key on several smartcard ?

On Wed, 23 Sep 2009 11:46, tux.tsndcb at free.fr said:

> Is it possible to have the same authentication key on several smartcard ? 

Yes.  You need to generate the key off-card and and then put it onto the
card.  Use gpg --edit-key and the subcommands genkey and keytocard for
this.

> Is it possible to done an authentication key backup when it has been generated directly on a smartcard ?

No.  An on-card generated key can't be extracted from the card (except
for the public part of course).


Shalom-Salam,

   Werner

-- 
Die Gedanken sind frei.  Auschnahme regelt ein Bundeschgesetz.


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