[cryptography] best way to create entropy?

Warren Kumari warren at kumari.net
Sat Oct 13 11:05:05 EDT 2012


On Oct 12, 2012, at 4:27 AM, Eugen Leitl <eugen at leitl.org> wrote:

> ----- Forwarded message from "Naslund, Steve" <SNaslund at medline.com> -----
> 
> From: "Naslund, Steve" <SNaslund at medline.com>
> Date: Thu, 11 Oct 2012 23:27:56 -0500
> To: nanog at nanog.org
> Subject: RE: best way to create entropy?
> 
> I know that a popular method for generating random bit streams is to take radio (stellar) noise and convert it into a digital bit stream.  

That's a stellar idea…. :-P

> Very popular among crypto geeks.
> 

W

> Steven Naslund
> 
> -----Original Message-----
> From: Dan White [mailto:dwhite at olp.net] 
> Sent: Thursday, October 11, 2012 10:55 PM
> To: Jonathan Lassoff
> Cc: North American Network Operators Group
> Subject: Re: best way to create entropy?
> 
> On 10/11/12 17:08 -0700, Jonathan Lassoff wrote:
>> On Thu, Oct 11, 2012 at 5:01 PM, shawn wilson <ag4ve.us at gmail.com> wrote:
>>> in the past, i've done many different things to create entropy - 
>>> encode videos, watch youtube, tcpdump -vvv > /dev/null, compiled a 
>>> kernel. but, what is best? just whatever gets your cpu to peak or are 
>>> some tasks better than others?
>> 
>> Personally, I've used and recommend this USB stick: 
>> http://www.entropykey.co.uk/
>> 
>> Internally, it uses diodes that are reverse-biased just ever so close 
>> to the breakdown voltage such that they randomly flip state back and 
>> forth.
> 
> +1.
> 
> --
> Dan White
> 
> 
> ----- End forwarded message -----
> -- 
> Eugen* Leitl <a href="http://leitl.org">leitl</a> http://leitl.org
> ______________________________________________________________
> ICBM: 48.07100, 11.36820 http://www.ativel.com http://postbiota.org
> 8B29F6BE: 099D 78BA 2FD3 B014 B08A  7779 75B0 2443 8B29 F6BE
> _______________________________________________
> cryptography mailing list
> cryptography at randombit.net
> http://lists.randombit.net/mailman/listinfo/cryptography
> 

--
She'd even given herself a middle initial - X - which stood for "someone who has a cool and exciting middle name".

    -- (Terry Pratchett, Maskerade)





More information about the cryptography mailing list