What's wrong with using an MD5 hash of the entire message?  While collisions
are possible, they're very unlikely.

-- Duane

----- Original Message -----
From: "Bijan Parsia" <bparsia at email.unc.edu>
To: <squeak-dev at lists.squeakfoundation.org>
Sent: Tuesday, October 30, 2001 11:18 AM
Subject: Re: [Celeste] msgIDs and sharing categories


> On Tue, 30 Oct 2001, Tim Rowledge wrote:
>
> [snip]
> > Wouldn't the message's own ID be usable? For example, Bihan's message
>    ^^^^^ hmmm :)
>
> > has an ID of
> > <Pine.A41.4.21L1.0110301238390.15548-100000 at login9.isis.unc.edu>.
>
> Yes, but Message-ID is an optional-field. So you're not promised that
> it'll be there.
>
> I don't know how much of a problem this is these days, but it's worth
> noting.
>
> And while they're *supposed* to be unique...well, who knows :)
>
> But they're a good start, espeically if we can figure something out for
> IDless ones and have a good policy on resolving misleading situations.
>
> Cheers,
> Bijan Parsia.
>
>
>
>