Re: Stats report

C Matthew Curtin (cmcurtin@research.megasoft.com)
Sat, 12 Apr 1997 16:10:01 -0400 (EDT)


>>>>> "Howard" == Howard Cheng <hcheng@cs.ualberta.ca> writes:

Howard> Hi, On the Status Report page, it says something about "Time
Howard> to 50% completion". Why is it not 100% instead of 50%? Is
Howard> 50% the same as 100% because of the complementary key pair
Howard> business?

On an average, you'll only have to look through 50% of the keyspace to
find the correct key. The 48-bit RC5 search, for example, only looked
through 57% of the keyspace before finding the key.

-- 
Matt Curtin  Chief Scientist  Megasoft, Inc.  cmcurtin@research.megasoft.com
http://www.research.megasoft.com/people/cmcurtin/    I speak only for myself
Death to small keys.  Crack DES NOW!   http://www.frii.com/~rcv/deschall.htm