Re: [OFFTOPIC] RC5 Challenge
Steve Reid wrote:
>
> > While spreading the news about the RC5 contest, I was asked the following
> > question about the 56bit key and I wonder how to answer:
> > What is the complication of this exhaustive search? I suppose it is
> > exponential, but to what number?
>
> With a 56 bit key, there are 2 to the power of 56 possible keys:
> 72,057,594,037,927,936
>
> A 100MHz Penium can try roughly 81,000 RC5 keys per second, or it can
> try 380,000 DES keys per second.
Cool. That's only about 23,000 years for the RC5.
--
...RickM...
--
TO UNSUBSCRIBE FROM THIS MAILING LIST: e-mail the word "unsubscribe" to
debian-user-REQUEST@lists.debian.org . Trouble? e-mail to Bruce@Pixar.com
Reply to: