Hi Peter et al. 

Am 9. Februar 2017 11:08:12 MEZ schrieb Peter Lebbing <pe...@digitalbrains.com>:
>Hello,
> I think it's interesting you encrypt
>each and every mail you receive. That exercises all components a lot,
>it
>might lead to some useful insights on how things might be improved. In
>fact, we just encountered such an insight I think!

To encrypt every mail I receive is an option, that my mail - provider offers. I 
uploaded my public key and each incoming mail becomes encrypted. In my opinion 
quite a good trade off, given the general usage of mail encryption outside of 
this list. 
>
>On 09/02/17 07:02, NIIBE Yutaka wrote:
>> This should be fixed.
>
Is there anything else I could provide in order to help with the 
bug-fix?Logs,traces anything? Of course I can offer my environment to do some 
tests. 
Should I file a bug report for this issue? 

>As a short term solution, you could revoke the encryption subkey and
>create a new one with a common keylength;

Yes, this is an option. 

>
>If I understand correctly, you already use a regular
>on-disk key on your smartphone, so this might not be a problem to you.
>
Actually, I'm using my smart-card also on my phone through an USB OTG cable. 
Nevertheless, I have an backup of my encryption key, I could facilitate to 
overcome the current limitations. 

>Changing subkey stuff has no effect on certifications; if people signed
>your key, that signature will still be valid since it is on the primary
>key (and an UID), subkeys are not involved in the process.
>
Thanks for pointing out. I'll consider using a more standard encryption key. 

>I'm curious how you ended up with 3104-bits RSA keys on your smartcard
>in the first place, by the way!
>
I decided for this unusual key length more or less for the reason of obscurity. 
I had the unproven hope that using an unusual key length would make attacks 
harder. However, I did not expect it to complicate the general usage :) 

Cheers 
Basil 

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