Re: [iwar] untappable quantum crypto?

From: Fred Cohen (fc@all.net)
Date: 2002-04-28 15:58:21


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In-Reply-To: <OCEDLLJFJEMAFJGHDCLNOEHDDFAA.cpreston@gci.net> from "Charles Preston" at Apr 28, 2002 02:52:08 PM
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Date: Sun, 28 Apr 2002 15:58:21 -0700 (PDT)
Subject: Re: [iwar] untappable quantum crypto?
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Excellent.  Good to hear it.

Any comment on the WG vulnerbaility assessment?

Per the message sent by Charles Preston:

> "Dik Bouwmeester and his collegues at Oxford University will report in a
> future issue of Science that they have now copied a photon's quantum state
> with 81 per cent accuracy, coming within a hair's breadth of the theoretical
> limit of 83 per cent."

> New Scientist, 20020406, p23.
> ----------------------------------

> Maybe with a randomized bitstream, 83 per cent won't be enough.

> cmp


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--This communication is confidential to the parties it is intended to serve--
Fred Cohen		Fred Cohen & Associates.........tel/fax:925-454-0171
fc@all.net		The University of New Haven.....http://www.unhca.com/
http://all.net/		Sandia National Laboratories....tel:925-294-2087


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