From: "Michael S. Zick" <lkml@morethan.org>
To: Arjan van de Ven <arjan@infradead.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
Ingo Molnar <mingo@elte.hu>, Willy Tarreau <w@1wt.eu>,
Linus Torvalds <torvalds@linux-foundation.org>,
security@kernel.org, Linux@hera.kernel.org, stable@kernel.org,
Cox <alan@lxorguk.ukuu.org.uk>,
Arjan@hera.kernel.org, List <linux-kernel@vger.kernel.org>,
Alan@hera.kernel.org, Eric Paris <eparis@redhat.com>,
Jake Edge <jake@lwn.net>,
linux-security-module@vger.kernel.org, mingo@redhat.com,
Matt Mackall <mpm@selenic.com>, Dave Jones <davej@redhat.com>,
James Morris <jmorris@namei.org>,
Andrew Morton <akpm@linux-foundation.org>,
Roland McGrath <roland@redhat.com>
Subject: Re: [Security] [patch] random: make get_random_int() more random
Date: Sat, 16 May 2009 10:09:28 -0500 [thread overview]
Message-ID: <200905161009.32178.lkml@morethan.org> (raw)
In-Reply-To: <20090516075746.4b8f3ed6@infradead.org>
On Sat May 16 2009, Arjan van de Ven wrote:
> On Sat, 16 May 2009 09:28:16 -0500
> "Michael S. Zick" <lkml@morethan.org> wrote:
> >
> > Still getting kernel messages that there isn't a test for the rng - -
> > One (of many) ways to test the quality is to submit a bit string
> > sample to the Berlekamp-Massey algorithm; perhaps from repeated calls
> > to the generation function (it depends on your desired confidence
> > level).
> >
>
> or we bite the bullet and implement the Fortuna PRNG algorithm
> and feed it as much as we can, rather than caring if any if the sources
> is not 100.000% perfect.
>
A reasonable cross-platform solution.
I just had to ping for supporting the VIA specific hardware solution.
Mike
next prev parent reply other threads:[~2009-05-16 15:09 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-04 18:51 [PATCH] proc: avoid information leaks to non-privileged processes Jake Edge
2009-05-04 19:00 ` [Security] " Linus Torvalds
2009-05-04 19:51 ` Arjan van de Ven
2009-05-04 20:20 ` Eric W. Biederman
2009-05-04 22:24 ` Linus Torvalds
2009-05-04 23:26 ` Arjan van de Ven
2009-05-04 23:54 ` Linus Torvalds
2009-05-05 7:51 ` Eric W. Biederman
2009-05-05 15:17 ` Linus Torvalds
2009-05-05 15:35 ` Linus Torvalds
2009-05-05 16:18 ` Matt Mackall
2009-05-05 16:10 ` Matt Mackall
2009-05-05 5:50 ` Matt Mackall
2009-05-05 6:31 ` Ingo Molnar
2009-05-05 8:14 ` Eric W. Biederman
2009-05-05 19:52 ` Ingo Molnar
2009-05-05 20:22 ` Matt Mackall
2009-05-05 21:20 ` Eric W. Biederman
2009-05-06 10:33 ` Ingo Molnar
2009-05-06 10:30 ` Ingo Molnar
2009-05-06 16:25 ` Matt Mackall
2009-05-06 16:48 ` Linus Torvalds
2009-05-06 17:57 ` Matt Mackall
2009-05-07 0:50 ` Matt Mackall
2009-05-07 15:02 ` Ingo Molnar
2009-05-07 18:14 ` Matt Mackall
2009-05-07 18:21 ` Ingo Molnar
2009-05-07 18:41 ` Ingo Molnar
2009-05-07 19:24 ` Matt Mackall
2009-05-07 15:16 ` Florian Weimer
2009-05-07 16:55 ` Matt Mackall
2009-05-07 17:53 ` Linus Torvalds
2009-05-07 18:42 ` Matt Mackall
2009-05-06 20:09 ` [patch] random: make get_random_int() more random Ingo Molnar
2009-05-06 20:41 ` Matt Mackall
2009-05-06 20:51 ` Ingo Molnar
2009-05-06 21:10 ` Matt Mackall
2009-05-06 21:24 ` Ingo Molnar
2009-05-14 22:47 ` Jake Edge
2009-05-14 22:55 ` [Security] " Linus Torvalds
2009-05-15 13:47 ` Ingo Molnar
2009-05-15 15:10 ` Jake Edge
2009-05-16 10:00 ` Willy Tarreau
2009-05-16 10:39 ` Ingo Molnar
2009-05-16 12:02 ` Eric W. Biederman
2009-05-16 14:00 ` Michael S. Zick
2009-05-16 14:28 ` Michael S. Zick
2009-05-16 14:57 ` Arjan van de Ven
2009-05-16 15:09 ` Michael S. Zick [this message]
2009-05-16 14:32 ` Matt Mackall
2009-05-16 13:58 ` Willy Tarreau
2009-05-16 15:23 ` Linus Torvalds
2009-05-16 15:47 ` Willy Tarreau
2009-05-16 15:54 ` Oliver Neukum
2009-05-16 16:05 ` Linus Torvalds
2009-05-16 16:17 ` Linus Torvalds
2009-05-15 1:16 ` Américo Wang
2009-05-06 20:25 ` [Security] [PATCH] proc: avoid information leaks to non-privileged processes Ingo Molnar
2009-05-06 20:52 ` Matt Mackall
2009-05-05 8:58 ` Andi Kleen
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