[RC5] RC5-64 HAS BEEN SOLVED

Richard Weingartner mathwhiz at mathwhiz.org
Sat Sep 28 22:42:35 EDT 2002


According to the chat today RC5-72 should start within a few weeks.  BTW, 
the log of the chat is at http://www.slashnet.org/forums/DCTI-20020928.html

Rich

At 09:14 PM 9/28/2002, you wrote:
>Is rc5-72 being solved right now?
>----- Original Message -----
>From: "Keith Woodworth" <kwoody at citytel.net>
>To: <rc5 at lists.distributed.net>
>Sent: Saturday, September 28, 2002 5:39 PM
>Subject: Re: [RC5] RC5-64 HAS BEEN SOLVED
>
>
> >
> >
> > On Fri, 27 Sep 2002, Richard Menedetter wrote:
> >
> > |->26 Sep 2002, Keith Woodworth <kwoody at citytel.net> wrote:
> > |->
> > |-> KW> Kind of nifty though its been solved. Wonder how long RC5-72 will
> > |-> KW> take? 8 yrs?
> > |->Hmmm rc5-72 is 256 [2^(72-64)] times harder then rc5-64.
> > |->
> > |->We needed nearly 5 years for rc5-64.
> > |->If time needed decreases by a factor of 5 we would need 256 years to
>solve it.
> >
> > Ouch...be dead looong before its solved then.
> >
> > Keith
> >
> > --
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