🚀 go-pugleaf

In article <1992Oct13.061724.25758@netcom.com> rcain@netcom.com (Robert Cain) writes:
>Newsgroups: sci.crypt
>Path: mailer.cc.fsu.edu!gatech!darwin.sura.net!spool.mu.edu!umn.edu!csus.edu!netcom.com!rcain
>From: rcain@netcom.com (Robert Cain)
>Subject: Re: Quantum cryptography: a flawed premise?
>Message-ID: <1992Oct13.061724.25758@netcom.com>
>Organization: Netcom - Online Communication Services  (408 241-9760 guest) 
>References: <1992Oct12.184051.1@zodiac.rutgers.edu>
>Date: Tue, 13 Oct 1992 06:17:24 GMT
>Lines: 18
>leichter@zodiac.rutgers.edu writes:
>: 
>: The attack against the *cryptosystem*, as opposed to the attack against QM,
>: goes like this:  The eavesdropper clones the photons and SAVES them - he

  I've already seen that if the attacker clones the photons and reads
them he destroys the info sent on.  What if he clones them two ways and
reads both of them simultaneously (sp)?  Does the info turn into both types
of polarization?
 
>
>How does he do this?  I know of no way to "save" a photon.  Somehow mirrors
>would be involved and I think interaction with a mirror would alter the
>polarization state.
>
>Bob
>-- 
>Bob Cain    rcain@netcom.com   408-358-2007
>
>
>               PGP 1.0 or 2.0 public key available on request.

Roger
books@fsunuc.physics.fsu.edu