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  • From: Scott <catfather AT donpoo.net>
  • To: "Internetworkers: http://www.ibiblio.org/internetworkers/" <internetworkers AT lists.ibiblio.org>
  • Subject: Re: [internetworkers] crypto
  • Date: Tue, 27 Jul 2004 14:21:18 -0400


On Jul 27, 2004, at 1:20 PM, Shea Tisdale wrote:

During the RSA contest, the peak key rate for the RC5 64bit attack was
270,147,024 kkeys/second. At that pace, it would have taken 770 days. To
equate that key rate to common computer power, it would take 32,504 800 Mhz
Apple Powerbook g4 laptops or 45,998 AMD Athlon XP machines running at 2ghz
to sustain that rate. Based on the Athlon processor, that is approximately
211,820,790 mips or 106,225,380 mflops (106.23 Tflops) of power.

The fastest supercomputer in the world is the Earth Simulator. It is rated
at 35.86 TFlops. Even with that enormous capability, that is only 1/3 the
speed required to crack RC5 64bit in 770 days.

Of course, there is always the backdoor hack. You know about the backdoor, right Brain? THEY built it into everything...

--
Pinky





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