Full Disclosure: Re: how i stopped worrying and loved the backdoor

[Marsh Ray <marsh () extendedsubset com>]

On 12/24/2010 07:08 PM, Dan Kaminsky wrote:
> Don't we have hardware RNG in most motherboard chipsets nowadays?
>
> (Not that you should exclusively trust it, but the nature of RNG's is
> that it's easy to mix in sources.)
Haha, you're going to love this:

> http://code.bsd64.org/cvsweb/openbsd/src/sys/dev/rnd.c?rev=1.106;content-type=text%2Fplain
>
>       switch(minor(dev)) {
>               case RND_RND:
>                       ret = EIO;      /* no chip -- error */
>                       break;
>               case RND_SRND:
>               case RND_URND:
>               case RND_ARND_OLD:
>               case RND_ARND:
>                       arc4random_buf(buf, n);
>                       break;
>               default:
>                       ret = ENXIO;
>               }
- Marsh

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