No subject
John Denker
jsd at av8n.com
Tue Jan 4 12:41:12 PST 2005
Gecko/20041007 Debian/1.7.3-5
To: Udhay Shankar N <udhay at pobox.com>
Cc: cryptography at metzdowd.com
Subject: Re: Conspiracy Theory O' The Day
Sender: owner-cryptography at metzdowd.com
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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R. A. Hettinga <mailto: rah at ibuc.com>
The Internet Bearer Underwriting Corporation <http://www.ibuc.com/>
44 Farquhar Street, Boston, MA 02131 USA
"... however it may deserve respect for its usefulness and antiquity,
[predicting the end of the world] has not been found agreeable to
experience." -- Edward Gibbon, 'Decline and Fall of the Roman Empire'
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