Re: [PATCH] API for true Random Number Generators to add entropy (2.6.11)

[Evgeniy Polyakov <johnpol@2ka.mipt.ru>]

On Sat, 26 Mar 2005 11:36:02 +1100
Herbert Xu <herbert@gondor.apana.org.au> wrote:

> On Sat, Mar 26, 2005 at 03:47:33AM +0300, Evgeniy Polyakov wrote:
> > 
> > It looks like we all misunderstand each other - 
> > why do you think that if there will be kernel <-> kernel
> > RNG dataflow, then system will continuously spent all
> > it's time to produce that data?
> 
> It doesn't matter whether it's like that or not.
> 
> The point is if you do it in the kernel then either you'll have very
> coarse controls over the rate of data coming out of the hardware RNG,
> e.g., only on/off, or you'll have to put more code in to set the rate 
> appropriately.

It is not the problem absolutely - just sleep if pool is full.
It will limit usage but this is better than nothing.
 
> Either way it's a loss compared to doing it in user-space.
>
>
> -- 
> Visit Openswan at http://www.openswan.org/
> Email: Herbert Xu ~{PmV>HI~} <herbert@gondor.apana.org.au>
> Home Page: http://gondor.apana.org.au/~herbert/
> PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt


	Evgeniy Polyakov

Only failure makes us experts. -- Theo de Raadt
-
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/