Date: Sun, 2 Mar 1997 11:49:45 -0800 (PST) From: "Jonathan M. Bresler" <jmb> To: taob@risc.org (Brian Tao) Cc: freebsd-chat@FreeBSD.ORG Subject: Re: RSA 56-bit key challenge Message-ID: <199703021949.LAA27920@freefall.freebsd.org> In-Reply-To: <Pine.BSF.3.95.970302135536.388G-100000@alpha.risc.org> from "Brian Tao" at Mar 2, 97 02:09:57 pm
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Brian Tao wrote: > > On Sun, 2 Mar 1997, Jonathan M. Bresler wrote: > > > > hmm....5x86-133 uses 5 minutes to do 20Mkeys. a factor of 300 > > faster....there are faster machines out there yet. remember the > > 6000(?) cpu intel box that the gov't bought. > > You mean the Paragon? Massively-parallel computing would be > ideally suited for this type of job. Each CPU grabs a chunk of the > keyspace and then works on it totally independently of all the others. > If you have a 4096-node system, with each CPU only capable of 100,000 > keys/sec, you still end up with 400 million keys/sec. That would be a > match for the world-wide effort under way with the genx.net server. that the idea, but i dont believe it is hte paragon. rather a 1.8 teraflop machine that was announced september '95 6000 P6 processors and 262GB or RAM (G not M). at 300k keys/sec per P6 .... 1.8 Gkeys/sec vs the 56-bit keyspace is still 463 days (if you have to check every key) on average 232 days jmb ps. thanks for the command line: "./rc5-client-freebsd -i rsacrack@vex.net | & logger" ;)
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