From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by vger.rutgers.edu via listexpand id ; Sun, 21 May 2000 20:07:08 -0400 Received: by vger.rutgers.edu id ; Sun, 21 May 2000 20:06:48 -0400 Received: from ha1.rdc1.sfba.home.com ([24.0.0.66]:45951 "EHLO mail.rdc1.sfba.home.com") by vger.rutgers.edu with ESMTP id ; Sun, 21 May 2000 20:06:41 -0400 Message-ID: <392879F3.A4AA4104@home.com> Date: Sun, 21 May 2000 17:06:11 -0700 From: Prasanth Kumar Organization: At Home Network X-Mailer: Mozilla 4.72 [en] (X11; U; Linux 2.2.14-12 i686) X-Accept-Language: en MIME-Version: 1.0 To: linux-kernel@vger.rutgers.edu Subject: Re: /dev/random -- can I enlarge the `randomness stock'? References: Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-linux-kernel@vger.rutgers.edu Alexander Viro wrote: > > On Sun, 21 May 2000, Alan Cox wrote: > > > > What if you simply tuned a cheap FM receiver to just static and fed > > > that into a soundcard. Then reading from /dev/dsp or something would > > > return pretty good random data, right ? > > > > An attacker with a radio transmitter... > > Faraday's cage + mic with a nasty loopback. The real problem being: you > want a random data with known distribution and none of these methods will > give that. Random number source by radioactive decay ;-) http://www.fourmilab.ch/hotbits/ -- Prasanth Kumar kumar1@home.com - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/