Re: Generating 4096 bit key fails – why?

Felix E. Klee felix.klee at
Sat Oct 31 06:18:39 CET 2015

On Tue, Oct 27, 2015 at 9:09 PM, Werner Koch <wk at> wrote:
> Please add
> --8<---------------cut here---------------start------------->8---
>   debug 1024
>   debug 2048
>   log-file /this/is/my/scdaemon.log
> --8<---------------cut here---------------end--------------->8---
> to scdaemon.conf, kill scdaemon, and try again.  The log file will then
> contain a log of all APDUs send and received to/from the card.  Post it
> here.

See attachment.

And, yes, the OpenPGP card V2.1 does 4096 bit keys, just as V2.0, which
I successfully used with such keys. In fact on V2.1, it is printed: “RSA
with up to 4096 bit”
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