[RC5] My contribution to RC5

dan carter motion at es.co.nz
Mon Mar 30 20:00:58 EST 1998


On Sat, 28 Mar 1998 22:03:46 -0400 (EDT), Ed Wensell III aka THE StormRaiser wrote:

> The experiment (aka contest) isn't to crack
>the code. Simple statistics answers that one (if placed on a graph, the
>cracking of the code would form a bell curve. Sometimes it would solved right
>away. Sometimes it wouldn't be solved until all the keys were checked. Most of
>the time the key is near the half-way point in the pool of all the available
>keys, 

Ah, no, if that were the case we should start checking at the middle of the "random or linear" pool. Not from the start of the pool (not that 'start of randomly distributed key space' 
means much) 
Each key is just as likely to be the one. If we ran this project 72 quadtrillion times (for DES or rc5-56), we would approxiamtely expect each key to appear once.
Therefore the distribution will be flat.

-dan

--
To unsubscribe, send 'unsubscribe rc5' to majordomo at lists.distributed.net
rc5-digest subscribers replace rc5 with rc5-digest



More information about the rc5 mailing list