Re: Problem with random.c and PPC

From: H. Peter Anvin (hpa@zytor.com)
Date: Thu Aug 15 2002 - 20:50:32 EST

Next message: Andrea Arcangeli: "Re: aio-core why not using SuS? [Re: [rfc] aio-core for 2.5.29 (Re: async-io API registration for 2.5.29)]"
Previous message: Alexander Viro: "Re: [PATCH] Eliminate root_dev_names - part 1 of 2"
In reply to: Tom Rini: "Re: Problem with random.c and PPC"
Next in thread: henrique: "Problem with random.c and PPC"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

Followup to: <20020815210449.GA26993@opus.bloom.county>
By author: Tom Rini <trini@kernel.crashing.org>
In newsgroup: linux.dev.kernel
>
> Ah, thanks. In that case, no. It doesn't look like the input-layer USB
> keyboards contribute to entropy (but mice do), and I don't think the ADB
> ones do. I'll take a crack at adding this to keyboards monday maybe.
>

Be careful... USB devices are *always* going to speak at the same
place in the USB cycle... I believe that is 1 ms. Thus,
submillisecond resolution is *not* random.

-hpa

-- 
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
http://www.zytor.com/~hpa/puzzle.txt	<amsp@zytor.com>
-
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/

Next message: Andrea Arcangeli: "Re: aio-core why not using SuS? [Re: [rfc] aio-core for 2.5.29 (Re: async-io API registration for 2.5.29)]"
Previous message: Alexander Viro: "Re: [PATCH] Eliminate root_dev_names - part 1 of 2"
In reply to: Tom Rini: "Re: Problem with random.c and PPC"
Next in thread: henrique: "Problem with random.c and PPC"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

This archive was generated by hypermail 2b29 : Thu Aug 15 2002 - 22:00:41 EST