Date: Fri, 13 Sep 2002 13:51:44 -0700 From: "Sam Leffler" <sam@errno.com> To: "Stacy Millions" <stacy@millions.ca>, <hackers@FreeBSD.ORG> Cc: <freebsd-security@FreeBSD.ORG> Subject: Re: kern_random interface Message-ID: <305701c25b67$5ebc19e0$52557f42@errno.com> References: <3D822EB8.4010201@millions.ca>
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> Am I on the right track here? I have looked at the Hardware Crypto
> Support stuff and I don't think anything I'm doing or purposing
> conflicts with it.
>
If you looked at my stuff then you hopefully saw that I added:
void
add_true_randomness(int val)
{
add_entropy_word(&random_state, val);
random_state.entropy_count += 8*sizeof (val);
if (random_state.entropy_count > POOLBITS)
random_state.entropy_count = POOLBITS;
selwakeup(&random_state.rsel);
}
to kern/kern_random.c and used it to feed data from h/w RNG's that appear on
various crypto parts.
I'm working on getting this stuff into -current right now and will
eventually MFC the h/w crypto support to -stable after the 4.7 release. So
it would be good to use the same interface, right?
Feel free to correspond directly; I'm not sure everyone wants to hear these
details.
Sam
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