SHA2 digest on gpg smartcard

[Laurent Bigonville]

Hi (again),

nobody knows? :(

Laurent Bigonville

Le Wed, 17 Feb 2010 18:46:02 +0100,
Laurent Bigonville <l.bigonville at edpnet.be> a écrit :

> Hi,
> 
> I've have a OpenGPG smartcard version 2.0 and I would generate digests
> stronger than SHA1.
> 
> I've added "personal-digest-preferences SHA256" to my gpg.conf file,
> but when I sign a message the headers still uses SHA1. If I force with
> --digest-algo (which is not recommended according to the doc) to
> SHA256 it works and I'm able to verify the signature.
> 
> I've opened a bug[1], but I was told that it was not a bug.
> Then could someone enlighten me about the reasons of this?
> 
> Cheers
> 
> Laurent Bigonville
> 
> [1] https://bugs.g10code.com/gnupg/issue1194