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Date: Fri, 01 Feb 2002 12:27:14 -0800
From: "H. Peter Anvin" <hpa@zytor.com>
Organization: Zytor Communications
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To: Peter Monta <pmonta@pmonta.com>
CC: linux-kernel@vger.kernel.org
Subject: Re: Continuing /dev/random problems with 2.4
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Peter Monta wrote:

>>Anything that is meant to be a server really pretty much needs an
>>enthropy generator these days.
>>
> 
> Many motherboards have on-board sound.  Why not turn the mic
> gain all the way up and use the noise---surely there will be
> a few bits' worth?
> 
> Perhaps there ought to be a way to give bits to the kernel's
> /dev/random input hopper from user space.
> 


There already is.  If I'm not completely mistaken, just write the raw data
to /dev/random, then there is an ioctl() saying "add N bits to the
entrophy counter."

	-hpa


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