timestamp (0x40) signatures?

[Len Sassaman]

On Mon, 4 Mar 2002, Werner Koch wrote:

> On Mon, 4 Mar 2002 10:11:30 -0500, David Shaw said:
>
> > define what it is a signature on (if anything).  RFC 1991 goes into
> > more detail and defines it as a signature on a signature, which is
> > more useful - this is the idea of a notary for PGP, which proves
> > that
>
> Indeed.  A timestamping service makes more sense when it can be used
> to certify that a given signature was done at that time.

Exactly.

> Does PGP implemnt this, are there any notary services out providing
> such a service, should we clear this up in the next OpenPGP draft?

I don't think PGP implements this, though this came directly from an idea
Phil and Hal had, I believe.

I had been working on a notary service that would use this (among other
things), though that project has been put on the back burner recently.

It would be useful if GnuPG knew what it was, however.


--Len.