No subject

John Denker jsd at
Tue Jan 4 12:41:12 PST 2005

Gecko/20041007 Debian/1.7.3-5
To: Udhay Shankar N <udhay at>
Cc: cryptography at
Subject: Re: Conspiracy Theory O' The Day
Sender: owner-cryptography at

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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--- end forwarded text

R. A. Hettinga <mailto: rah at>
The Internet Bearer Underwriting Corporation <>
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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