[13730] in Cypherpunks

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Re: Quantum Computers and stuff

daemon@ATHENA.MIT.EDU (Perry E. Metzger)
Mon May 16 09:22:47 1994

To: John K Clark <johnkc@well.sf.ca.us>
Cc: cypherpunks@toad.com
In-Reply-To: Your message of "Sun, 15 May 1994 20:56:58 PDT."
             <199405160356.UAA21899@well.sf.ca.us> 
Reply-To: perry@imsi.com
Date: Mon, 16 May 1994 09:17:20 -0400
From: "Perry E. Metzger" <perry@imsi.com>


Bob Silverman claims that Shore's result is largely bullshit. I
haven't gotten any details yet, so I don't know for sure, but I'd say
at this point panic is not yet in order.

Perry

John K Clark says:
>         >In a startling theoretical result that could call into question
>         >any  cryptosystem based on factoring, Peter W Shore of AT&T Bell
>         >Laboratories in  Murray Hill, N.J., has just proved that
>         >factoring is "easy" when done on a  special type of computer
>         >operating according to quantum mechanical principles . Although
>         >such a quantum computer does not yet exist, this finding has
>         >shaken the cryptographic community.
>         
> By "easy" I presume they mean solvable in Polynomical time. I'm
> not saying the writing is on the wall or anything but it might
> be prudent to start thinking about Diffe-Hellman, perhaps using
> elliptic curves.

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