[8372] in cryptography@c2.net mail archive

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Re: Fwd: from Edupage, December 22, 2000

daemon@ATHENA.MIT.EDU (Jim Choate)
Wed Jan 3 16:26:15 2001

Date: Wed, 3 Jan 2001 15:07:32 -0600 (CST)
From: Jim Choate <ravage@einstein.ssz.com>
To: Jaap-Henk Hoepman <hoepman@cs.utwente.nl>
Cc: cryptography@c2.net
In-Reply-To: <kpu27gzr8e.fsf@utip202.cs.utwente.nl>
Message-ID: <Pine.LNX.3.96.1010103150553.14390K-100000@einstein.ssz.com>
MIME-Version: 1.0
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On 3 Jan 2001, Jaap-Henk Hoepman wrote:

> Except that eavesdropping on the quantum key distribution channel is _always_
> detected (by `laws of nature'), which is not true for these pressure-monitored
> cables. 

It's not true here anymore either. Last year there was at least one group
that demonstrated a mechanism for taking a doublet and making it a
quartet without effecting the entanglement. Check the cypherpunks archive
for the particular post, early this year. I was the one who posted it to
the list.

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