[107770] in Cypherpunks
CDR: Re: rng, linux, soundcards, vernam cipher, ambassadors
daemon@ATHENA.MIT.EDU (Anonymous)
Fri Jan 22 20:37:42 1999
Date: Sat, 23 Jan 1999 02:23:08 +0100
From: Anonymous <nobody@replay.com>
To: <cypherpunks@EINSTEIN.ssz.com>
Reply-To: Anonymous <nobody@replay.com>
At 12:42 PM 1/22/99 -0500, Jay Holovacs wrote:
>> A $20 sound card is capable of capturing analog FM radio hiss,
>> and with simple conditioning you get very good, physics-based
>> randoms.
>>
>Commonly said, but hiss != true white noise. There could be a lot of cycles
>and harmonics hidden in that hiss.
*Nothing* produces white noise out to infinity.
Which is one of the reasons why you condition them, e.g., take the parity
of each byte.
Try it.