Introduce randommess in keypress timings

Georgi Guninski guninski at guninski.com
Sat Oct 10 04:51:14 PDT 2015


On Fri, Oct 09, 2015 at 11:49:19AM -0400, Travis Biehn wrote:
> Morelike 1 bit. Amirite? [The song you selected.]
> 
> Personally, I like to pipe /dev/urandom to my speakers for sourcing
> keypress-timing based passwords.
> 

Me too. It is well known [0] this is very relaxing.

Rarely, just to refresh my memory, I XOR /dev/urandom with a Windows NT
CD played _backwards_ ;) [1]


[0] to those who know it
[1] according to ancient jokes, this MUST NOT be used for RandomMess
entropy because of enormous bias to certain number


> -Travis
> 
> On Fri, Oct 9, 2015 at 11:25 AM, Peter Gutmann <pgut001 at cs.auckland.ac.nz>
> wrote:
> 
> > Michael Nelson <nelson_mikel at yahoo.com> writes:
> >
> > >Five minutes of Swedish death metal should get you around 256 bits.
> >
> > Wrong entropy source, if you go for Norwegian black metal you get at least
> > 1024 bits of entropy [0].  Having said that, Putin's foreign policy
> > speeches
> > will get you at least 512 bits of entropy in the same time frame.
> >
> > Peter.
> >
> > [0] From an estimate done at Tons of Rock in Norway in June of this year.
> >
> >
> 
> 
> -- 
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