linux-kernel - Re: [PATCH] hw_random: add quality categories

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Date:	Sun, 24 Jun 2007 16:43:44 +0200
From:	Michael Buesch <mb@...sch.de>
To:	Alexey Dobriyan <adobriyan@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] hw_random: add quality categories

On Sunday 24 June 2007 16:30:59 Alexey Dobriyan wrote:
> On Sun, Jun 24, 2007 at 03:55:22PM +0200, Michael Buesch wrote:
> > This adds quality categories for hardware random number generators.
> 
> > +static const char * hwrng_quality_string(enum hwrng_quality qual)
> > +{
> > +	switch (qual) {
> > +	case HWRNG_QUAL_HIGH:
> > +		return "high";
> > +	case HWRNG_QUAL_NORMAL:
> > +		return "normal";
> > +	case HWRNG_QUAL_LOW:
> > +		return "low";
> > +	case HWRNG_QUAL_PSEUDO:
> > +		return "pseudo";
> 
> And how are you going to extend this in future? HWRNG_QUAL_SUPERB ?

Why extend it? "high" means devices which generate truely
random data. Do you have a device which generates data more
random than true-random? how?

See the descriptions in hw_random.h

-- 
Greetings Michael.
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