restoring SmartCard key with off-card copy

[Faramir]

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El 05-10-2011 6:21, Peter Lebbing escribió:
> On 05/10/11 08:15, Faramir wrote:
>> Would Paperkey be useful to do that? I guess no, since it
>> encodes the private key somehow... but maybe tweaking it?
> 
> IMHO, if you want to have a backup that also allows you to use the
> key without the card, the following procedure is by far the
> easiest:
> 
> - Create a normal RSA key (gpg --gen-key) - Back it up in a safe
> place, run it through paperkey, all the usual steps - From gpg
> --edit-key, use the keytocard command.

   Ok, but I was thinking about the already existing card backup is
the secret key without information already available from public key.
And Paperkey removes that redundant information when it creates the
backup, and restore it when using the backup. So maybe it could be
adapted to combine the card backup too. Just a thought.

   Best Regards

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