1994-11-22 - Re: Pentium bug and CRYPTO

Header Data

From: mpd@netcom.com (Mike Duvos)
To: cypherpunks@toad.com
Message Hash: c1e422d9877fbb0114c5fd9b788fb18217c49b382c7ef94c8b8636430037313f
Message ID: <199411220139.RAA05434@netcom19.netcom.com>
Reply To: <2ED0DE87@microcosm.SanDiegoCA.NCR.COM>
UTC Datetime: 1994-11-22 01:39:25 UTC
Raw Date: Mon, 21 Nov 94 17:39:25 PST

Raw message

From: mpd@netcom.com (Mike Duvos)
Date: Mon, 21 Nov 94 17:39:25 PST
To: cypherpunks@toad.com
Subject: Re: Pentium bug and CRYPTO
In-Reply-To: <2ED0DE87@microcosm.SanDiegoCA.NCR.COM>
Message-ID: <199411220139.RAA05434@netcom19.netcom.com>
MIME-Version: 1.0
Content-Type: text/plain

"Claborne, Chris" <claborne@microcosm.sandiegoca.NCR.COM> writes:

 > Will the following error (Re Pentium Floating Point Bug
 > Date: 15 Nov 1994) cause problems with PGP key generation or
 > any other normal operations with PGP or other crypto.  I'm
 > not a math mathmatics nerd but I know we generally deal with
 > big numbers.

No problems for released versions of PGP, which use only the 8086
instruction set and require neither a floating point coprocessor
nor emulation.

Most other crypto should be fine as well.  Crypto is pretty much
an integer exercise.

People have been known to use floating point to do multiprecision
integer arithmetic on Sparcs and large engineering mainframes
which lack a complete integer instruction set, but I've never
heard of anyone trying such things on an Intel processor.

     Mike Duvos         $    PGP 2.6 Public Key available     $
     mpd@netcom.com     $    via Finger.                      $