> The simple(-minded) idea is that everybody receives everybody's email, but
> can only read their own. Since everybody gets everything, the metadata is
> uninteresting and traffic analysis is largely fruitless.
Some traffic analysis is still possible based on just message originator. If I
see a message from A, and then soon see messages from B and C, then I can
perhaps assume they are collaborating. If I A's message is significantly
larger then the other two, then perhaps they're taking some kind of vote.
So while it's a neat hack, I think the claims are overstated.
/r$
--
Principal Security Engineer
Akamai Technology
Cambridge, MA
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