From: Cathy Reason <Cathym.nul> Date: Tue, 29 May 2012 18:53:11 +0100 Archived: Wed, 30 May 2012 18:25:40 -0400 Subject: Re: Flying Saucers - The Greatest Lie Ever Told >From: UFO UpDates - Toronto <post.nul> >To: - UFO UpDates Subscribers - >Date: Fri, 11 May 2012 05:42:14 -0400 >Subject: UFO UpDate: Flying Saucers - The Greatest Lie Ever Told >Source: James Carrion's Follow The Magic Thread >http://tinyurl.com/bqg5x66 >Tuesday, May 8, 2012 <snip> I find this story rather difficult to understand. "Gardening" is supposed to work like this: Imagine you are monitoring Enigma traffic from a German naval reconnaissance command covering the North Sea. You might arrange for a destroyer to sail past Dogger Bank at 1300 hrs on July 15. You can then assume that the subsequent Enigma traffic will contain the plaintext "destroyer", "Dogger", "1300 hrs" and "July 15" because the behavior of the German command will be predictable - they are trained to identify destroyers, time and place using common terminology, charts and clocks. You can then use this information to break the cipher. But once you start relying on naive members of the public observing mysterious, unfamiliar objects this predictability is lost. For example one observer might report: "Saw silver objects in sky Tuesday afternoon" Another might say: "Observed glowing things near mountain, about 4.30 pm" While still a third might say: "Watched aluminum-colored disks flying at high altitude, sometime last week" Each observer will generate a different plaintext to describe the experience and the result is a potentially open-ended series of non-overlapping plaintexts. Now it might be possible to deal with this problem using the computers available in the 1940s, but it looks like an extraordinarily convoluted and cack-handed way of going about things. In fact from a cryptanalist's point of view you are effectively adding additional layers of encipherment to the text. Cathy Listen to 'Strange Days... Indeed' - The PodCast At: http://www.virtuallystrange.net/ufo/sdi/program/ These contents above are copyright of the author and UFO UpDates - Toronto. They may not be reproduced without the express permission of both parties and are intended for educational use only.
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