[16619] in cryptography@c2.net mail archive
Re: Conspiracy Theory O' The Day
daemon@ATHENA.MIT.EDU (John Denker)
Tue Jan 4 16:27:23 2005
X-Original-To: cryptography@metzdowd.com
X-Original-To: cryptography@metzdowd.com
Date: Tue, 04 Jan 2005 15:41:12 -0500
From: John Denker <jsd@av8n.com>
To: Udhay Shankar N <udhay@pobox.com>
Cc: cryptography@metzdowd.com
In-Reply-To: <6.1.2.0.2.20050103152848.02890c60@127.0.0.1>
Udhay Shankar N wrote:
> I just got a batch of spam: perfectly justified blocks of random-looking
> characters. Makes me wonder if somebody is trying to train Bayesian
> filters to reject PGP messages.
Another hypothesis: Cover traffic, to defeat traffic analysis.
The procedure: send N copies. N-M of them are spam, sent to uninterested
parties. The other M parties are the intended recipients. Provided N>>M,
and other mild restrictions, they achieve plausible deniability.
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