Re: Wireless home LAN - WiFi vs Bluetooth?
On Thu, 1 Aug 2019 11:23:40 +1200
Ben Caradoc-Davies <ben@transient.nz> wrote:
> On 01/08/2019 01:44, Reco wrote:
> > On Wed, Jul 31, 2019 at 02:32:25PM +0100, Brian wrote:
> >> On Wed 31 Jul 2019 at 16:07:33 +0300, Reco wrote:
> >>> On Wed, Jul 31, 2019 at 07:58:54AM -0400, Celejar wrote:
> >>>> mathematical analysis of how much hardware would be necessary to crack
> >>>> a good WPA2 password. I've seen lots of sites explaining how to use
> >>>> hashcat with a GPU, and various real-world tests on lists of hashed
> >>>> passwords (e.g., [1]), but can you provide a serious analysis of the
> >>>> practical cost, in time or hardware, of cracking a real-world WPA setup?
> >>> Cost - Amazon will take 11c per hour for that VM that comes with NVIDIA
> >>> Tesla videocard.
> >>> Said hour is more than enough to bruteforce 8 character WPA passphrase
> >>> with hashcat.
> >> In the context of a home user producing a secure wireless configuration,
> >> a 64 random character passphrase works wonders. The sky is not about to
> >> fall in.
> > Agreed. If 64 character password is reasonably random, bruteforcing it is
> > economically unfeasible. With obvious exceptions, of course.
> > Entering such password to a device is somewhat tedious though.
>
> Especially tedious on devices with limited input interfaces, such as
> smart TVs, game consoles, and printers. Restricting the WPA2 passphrase
True that. I'm embarrassed to admit how much gnashing of teeth I
engaged in while trying to enter a WPA passphrase via my printer's
keypad / LCD interface, until I realized the right way to do it: hook
it up via ethernet, log into the web interface, copy and paste the
passphrase, enable the wireless interface, unhook the ethernet cable.
> to digits and lowercase letters reduces entropy but makes input more
> bearable. Seeing the reaction of guests when they are handed a piece of
> paper with a long random WPA2 passphrase: priceless. It never gets old. :-D
Indeed ;) Now I just maintain a separate guest network, firewalled off
from the main network.
Celejar
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