[RC5] dnetc for Android

Mike Reed mikereedwt at gmail.com
Wed May 30 04:27:17 EDT 2012


Hi,

ARM CPUs are not good at RC5 as they lack the ROTL instruction. If I
recall, they must do two shifts and a move to replicate it.

I would worry about the hardware failing, as the cooling on phones is
passive...

Mike
On May 30, 2012 7:28 AM, "Thorsten Wolf" <t_wolf at gmx.de> wrote:

> Hi.
>
> How much time of the day would you want your mobile phone to be
> connected to a cord, so it can be charged? Wouldn't it dismobile your
> mobile phone if you really wanted to get serious credit?
> I understand your motivation, but it would make more sense if there
> were more stationary devices such as Desktops or semi-stationary
> devices like Laptops powered by ARM based CPUs to do crunching.
> But seriously. The computing power ARM CPUs provide would have been
> good in the days of RC5-56, not current OGR or RC5-72 keyspaces.
> Not talking about the necessary CPU instructions needed for this kind
> of computation.
>
> Have a nice day,
>
> Thorsten
>
> On Wed, May 30, 2012 at 6:18 AM,  <Beckert at gmx.net> wrote:
> > It would be an option to run dnetc only if the device is connected to
> > recharge.
> >
> > Mike Reed schrieb:
> >
> > Moin :),
> >
> > There are no plans for clients for mobile phones. While it is technically
> > possible, they are all low-power devices. Running dnetc on them would be
> > terrible for battery life, and possibly the hardware also.
> >
> > Kind regards,
> > Mike
> >
> > On May 29, 2012 6:13 PM, <Beckert at gmx.net> wrote:
> >>
> >> Hello,
> >>
> >> is there a client available which runs on an ARM based Android, e.g. a
> >> Samsung mobile phone?
> >>
> >> regards.
> >> _______________________________________________
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> >> rc5 at lists.distributed.net
> >> http://lists.distributed.net/mailman/listinfo/rc5
> >
> >
> >
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