[RC5] rc5-72 completion rate

Jim C. Nasby jim at nasby.net
Sun Dec 29 16:47:46 EST 2002


On Thu, Dec 26, 2002 at 10:19:03AM -0800, Michael Pelletier wrote:
> At the moment, the RC5-72 project is showing a completion time of
> 3,572 years.  How much over 1,000 years was RC5-64, is there any way
> to comb that data out of the stats database easily?
 
No, but our history page (http://distributed.net/history.html) has some
information:

October 22, 1997 - RC5-56 Finished
RC5-56 is cracked after 212 days. Percent of keyspace completed: 47.03%,
5.3 Gk/s average rate, estimated time to exhaust keyspace at current
rate: 83 days. 

RC5-64 is started. On the first day, 152799 blocks were checked at a
rate of 475 Mkeys/sec. Time to exhaust keyspace at this rate: 1,235
years

November 28, 1997
RC5-64 percent of keyspace completed: 0.10%, 8.4 Gk/s average rate,
estimated time to exhaust keyspace at this rate: 69.5 years. 

October 19, 1998
RC5-64 percent of keyspace completed: 3.01%, 40.5 Gk/s average rate,
estimated time to exhaust keyspace at this rate: 14.05 years. 
-- 
Jim C. Nasby (aka Decibel!)                    jim at nasby.net
Member: Triangle Fraternity, Sports Car Club of America
Give your computer some brain candy! www.distributed.net Team #1828

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