Updating a signature

[David Shaw]

On Aug 14, 2009, at 7:01 PM, Dominik George wrote:

> Hi folks,
>
> I would like to updatea signature on a key, that is, add a sig- 
> policy-url
> and change the verification level (turn a normal sig into a sig3,  
> that is).
>
> Is this possible? If yes, how?

It is not possible.  What you need to do is make a new signature with  
the details you want (the policy URL, etc).  You can revoke the  
earlier signature, but in practice it's usually simpler to just ignore  
it since the new signature replaces the older one in trust calculations.

David