Re: Notary signatures

[Len Sassaman <rabbi@xxxxxxxxxxx>]

On Thu, 25 Apr 2002, David Shaw wrote:

> RFC-1991 defined sigclass 0x40 as a timestamp, and went on to further
> explain its intended use ("Type <40> is intended to be a signature of
> a signature, as a notary seal on a signed document.")
>
> When RFC-2440 came out, this extra explanation seems to have been
> lost, as 2440 defines 0x40 only as a timestamp.  A sigclass for a
> signature on a signature would be very useful.  Any chance to restore
> this clarification in the next draft?

Yes, please. I plan to use this in a project in the not-so-distant future.

I know there are a few timestamping services for OpenPGP in operation
already -- are any of them using this now?


--Len.