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Re: Signer's User ID
On Thu, Jul 21, 2005 at 07:39:32AM +0200, Werner Koch wrote:
> I'd like to have a clarification of the signature subpacket
> 126.96.36.199. Signer's User ID
> This subpacket allows a keyholder to state which User ID is
> responsible for the signing. Many keyholders use a single key for
> different purposes, such as business communications as well as
> personal communications. This subpacket allows such a keyholder to
> state which of their roles is making a signature.
> This subpacket is not appropriate to use to refer to a User
> Attribute packet.
> It is not clear to me whether the string should be a verbatim copy of
> the content of a User ID packet or some other information. The second
> paragraph could be viewed as a hint for a verbatim copy.
I suggested that second paragraph when I was documenting the user
attribute / photo ID stuff. There are some problems using a Signer's
User ID with attribute IDs, both in size and in knowing how to parse
A while back, I posted a proposal to fix this: