[8746] in cryptography@c2.net mail archive
Re: NSA tapping undersea fibers?
daemon@ATHENA.MIT.EDU (Gilles Gravier)
Tue May 29 10:05:14 2001
Message-ID: <3B134DAB.ED6CE335@Sun.com>
Date: Tue, 29 May 2001 09:20:11 +0200
From: Gilles Gravier <Gilles.Gravier@Sun.com>
MIME-Version: 1.0
To: Tib <tib@tigerknight.org>
Cc: Dave Emery <die@die.com>, Steve Bellovin <smb@research.att.com>,
cryptography@wasabisystems.com
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If you slightly bend fiber, a portion of the signal goes through the
wall... kind of like a semi-transparent mirror... part of the signal is
still reflected inside the fiber... but part of it goes out... to the
tapping instrument.
Gilles.
Tib wrote:
>
> I'm curious as well about how the tap could actually happen though without
> some major bells and whistles taking place. If my understanding of fiber is
[Large amounts of quoted content removed -- please cut down your
postings before submitting them, folks... --Perry]
--
Gilles Gravier - Technology Advisor, APPS BD - EMEA
Email: Gilles.Gravier@Sun.com Sun Microsystems
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