Which key is used when more than one are valid?

David Shaw dshaw at jabberwocky.com
Sun Jun 17 23:20:32 CEST 2007

On Sun, Jun 17, 2007 at 02:49:21PM -0400, Jean-David Beyer wrote:
> My gnupg file that I get with edit-keys myuid
> contains, among other things:
> sub  2048g/48FF0850  created: 2007-02-24 expires: 2008-02-24
> sub  4096g/124E0663  created: 2007-06-17 expires: 2009-06-16
> How do I know which key is used when sending e-mail?
> Or is this a Thunderbird question?

GnuPG picks the subkey for you unless explicitly told which one to
use.  In the above case, it would pick the second key, as it is more


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