From: Arjan van de Ven <arjan@infradead.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Matt Mackall <mpm@selenic.com>,
"H. Peter Anvin" <hpa@linux.intel.com>,
"H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@elte.hu>,
Thomas Gleixner <tglx@linutronix.de>,
Fenghua Yu <fenghua.yu@intel.com>,
Herbert Xu <herbert@gondor.hengli.com.au>,
"Theodore Ts'o" <tytso@mit.edu>, Jeff Garzik <jgarzik@pobox.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] random: Add support for architectural random hooks
Date: Sat, 30 Jul 2011 09:34:04 -0700 [thread overview]
Message-ID: <20110730093404.6d5098a9@infradead.org> (raw)
In-Reply-To: <CA+55aFwMGwVsD1Gexahio2pWd0PpaHAbvFroB3w0=JOQf1zQ_A@mail.gmail.com>
On Fri, 29 Jul 2011 23:20:40 -0700
Linus Torvalds <torvalds@linux-foundation.org> wrote:
> If you don't trust the CPU rng, don't bother with stupid arguments
> about electron microscopes.
also, if you don't trust the CPU and want an electron microscope, make
sure to also audit the "mov" instruction that you use the cycle after
getting the random number, maybe THAT is booby trapped to muck with the
result ;-)
--
Arjan van de Ven Intel Open Source Technology Centre
For development, discussion and tips for power savings,
visit http://www.lesswatts.org
next prev parent reply other threads:[~2011-07-30 16:31 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-29 20:37 [RFD] Direct support for the x86 RDRAND instruction H. Peter Anvin
2011-07-29 20:37 ` [PATCH 1/2] random: Add support for architectural random hooks H. Peter Anvin
2011-07-29 21:16 ` Matt Mackall
2011-07-30 6:20 ` Linus Torvalds
2011-07-30 16:34 ` Arjan van de Ven [this message]
2011-07-30 17:45 ` Matt Mackall
2011-07-30 18:20 ` Linus Torvalds
2011-07-30 19:13 ` Matt Mackall
2011-07-30 19:29 ` Linus Torvalds
2011-07-30 22:25 ` Ted Ts'o
2011-07-31 1:13 ` Linus Torvalds
2011-07-31 1:32 ` H. Peter Anvin
2011-07-31 1:43 ` Linus Torvalds
2011-07-31 21:26 ` [PATCH v3 0/3] Add support for architectural random number generator H. Peter Anvin
2011-07-31 21:26 ` [PATCH v3 1/3] random: Add support for architectural random hooks H. Peter Anvin
2011-07-31 21:26 ` [PATCH v3 2/3] x86, random: Architectural inlines to get random integers with RDRAND H. Peter Anvin
2011-07-31 21:26 ` [PATCH v3 3/3] x86, random: Verify RDRAND functionality and allow it to be disabled H. Peter Anvin
2011-08-05 12:00 ` [PATCH v3 0/3] Add support for architectural random number generator Herbert Xu
2011-08-05 16:28 ` H. Peter Anvin
2011-08-06 0:09 ` Herbert Xu
2011-07-29 20:37 ` [PATCH 2/2] x86, random: " H. Peter Anvin
2011-07-29 21:05 ` [RFD] Direct support for the x86 RDRAND instruction Jeff Garzik
2011-07-29 21:17 ` H. Peter Anvin
2011-07-30 6:03 ` Linus Torvalds
2011-07-30 22:26 ` [PATCH v2 0/2] Add support for architectural random number generator H. Peter Anvin
2011-07-30 22:26 ` [PATCH v2 1/2] random: Add support for architectural random hooks H. Peter Anvin
2011-07-30 22:26 ` [PATCH v2 2/2] x86, random: Add support for architectural random number generator H. Peter Anvin
2011-07-30 23:46 [PATCH 1/2] random: Add support for architectural random hooks George Spelvin
2011-07-31 0:29 ` Linus Torvalds
2011-07-31 0:58 ` George Spelvin
2011-07-31 1:02 ` Bryan Donlan
2011-07-31 1:35 ` Linus Torvalds
2011-07-31 2:02 ` Bryan Donlan
2011-07-31 2:42 ` Henrique de Moraes Holschuh
2011-07-31 3:17 ` Bryan Donlan
2011-07-31 4:33 ` Linus Torvalds
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