RE: Entropy from net devices - keyboard & IDE just as 'bad' [was Re: [PATCH] let Net Devices feed Entropy, updated (1/2)]

From: Alex Bligh - linux-kernel (linux-kernel@alex.org.uk)
Date: Mon Aug 20 2001 - 08:25:39 EST


>> Better than the necessary 1 jiffie on non-i386 platforms and some
>> i386 platforms.
>
> On those platforms, you simply can't have good entropy and still have
> user accounts on the box with the default hardware. Sorry, the hardware
> just doesn't permit it. You would have to set up some secure way to draw
> entropy off an external pool, there's just nothing else you can do. (I
> believe there are non-x87 platforms that have good timers, just not all
> of them.)

Many non-i386 platforms have more finely grained timers than 1 jiffie.
The problem is the code doesn't use them. So my point is, it seems
illogical to throw stones at (often) theoretical issues with Robert's
patch, when people's energy would be better diverted to help fix up
hole in the current implementation.

--
Alex Bligh
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Thu Aug 23 2001 - 21:00:34 EST