updating a key's self-signature

[David Shaw]

On Mon, Jan 09, 2006 at 08:41:56PM -0700, Kurt Fitzner wrote:
> David Shaw wrote:
>  > Anyway, do this:
> > 
> > gpg --expert --cert-digest-algo (thehash) -u (thekeyid) --sign-key (thekeyid)
> 
> Does this mean that personal-digest-preferences and/or a key's digest
> preferences doesn't dictate what digest algorithm is used for
> self-signatures?

Yes.  Signing a document and signing a key are not the same thing, and
must not be artificially glued together just because they are both
signatures.

> If this is the case, it seems to me to be a little dangerous.

Why?

> How does one tell what digest algo is used for one's self sigs?

gpg --export (thekey) | gpg --list-packets

David