From: "H. Peter Anvin" <hpa@linux.intel.com>
To: Stephan Mueller <smueller@chronox.de>
Cc: Theodore Ts'o <tytso@mit.edu>,
LKML <linux-kernel@vger.kernel.org>,
linux-crypto@vger.kernel.org
Subject: Re: arch_random_refill
Date: Sun, 11 May 2014 20:45:24 -0700 [thread overview]
Message-ID: <537043D4.8070301@linux.intel.com> (raw)
In-Reply-To: <3260147.sUis3H5ONm@myon.chronox.de>
On 05/11/2014 08:36 PM, Stephan Mueller wrote:
>
> But in our current predicament, not everybody trusts a few potentially easily
> manipulated gates that have no other purpose than produce white noise which
> are developed by the biggest chip vendor in the US. Gates which have other
> purposes may not be that easily manipulated.
>
Incidentally, I disagree with the "easily manipulated" bit. Yes, I have
seen the paper which says that you can do it in such a way that it
doesn't show up on *visual* examination. However, put an electrical
probe on it and it shows up immediately.
-hpa
next prev parent reply other threads:[~2014-05-12 3:45 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-11 23:01 arch_random_refill Stephan Mueller
2014-05-12 3:22 ` arch_random_refill H. Peter Anvin
2014-05-12 3:36 ` arch_random_refill Stephan Mueller
2014-05-12 3:44 ` arch_random_refill H. Peter Anvin
2014-05-12 3:45 ` H. Peter Anvin [this message]
2014-05-12 3:30 ` [tip:x86/urgent] x86, rdrand: When nordrand is specified, disable RDSEED as well tip-bot for H. Peter Anvin
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