[Celeste] msgIDs and sharing categories

Duane Maxwell dmaxwell at san.rr.com
Wed Oct 31 09:10:08 UTC 2001


Tim Rowledge wrote:
> Duane Maxwell wrote:
> > What's wrong with using an MD5 hash of the entire message?  While
collisions
> > are possible, they're very unlikely.
> Urk, how long would that take? What about one of those _really_ long
> messages were some dipstick quotes an entire 100kb digest, adds a 250kb
> code 'snippet' and dear ol'M$ s/w adds it all again in html plus one of
> those '.vcf' thingies?

Well, just in case the Squeak MD5 code were too slow, somebody (who shall
remain nameless) wrote a Slang version for an MD5 plugin, so it wouldn't
really take all that long.  The computation would likely be small compared
to the time to download the message in the first place.

> Would hashing the message's header be plausible?

Maybe.

> Is there any identifier that the pop/imap server one gets the message
> from can be persuaded to provide?

AFAIK, there's nothing one can rely on.

-- Duane






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