From: Christopher Covington <cov@codeaurora.org>
To: Andy Lutomirski <luto@amacapital.net>
Cc: Theodore Ts'o <tytso@mit.edu>, kvm list <kvm@vger.kernel.org>,
Gleb Natapov <gleb@kernel.org>,
Linux Virtualization <virtualization@lists.linux-foundation.org>,
"H. Peter Anvin" <hpa@zytor.com>,
Paolo Bonzini <pbonzini@redhat.com>
Subject: Re: Standardizing an MSR or other hypercall to get an RNG seed?
Date: Fri, 19 Sep 2014 14:30:51 -0400 [thread overview]
Message-ID: <541C765B.5050705@codeaurora.org> (raw)
In-Reply-To: <CALCETrX66iDM+eG56hpMN4TcuXtzbEr5nB_f6JE-2XETSMWV5w@mail.gmail.com>
On 09/17/2014 10:50 PM, Andy Lutomirski wrote:
> Hi all-
>
> I would like to standardize on a very simple protocol by which a guest
> OS can obtain an RNG seed early in boot.
>
> The main design requirements are:
>
> - The interface should be very easy to use. Linux, at least, will
> want to use it extremely early in boot as part of kernel ASLR. This
> means that PCI and ACPI will not work.
How do non-virtual systems get entropy this early? RDRAND/Padlock? Truerand?
Could hypervisors and simulators simply make sure these work?
Christopher
--
Employee of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
hosted by the Linux Foundation.
next prev parent reply other threads:[~2014-09-19 18:30 UTC|newest]
Thread overview: 84+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-18 2:50 Standardizing an MSR or other hypercall to get an RNG seed? Andy Lutomirski
2014-09-18 14:40 ` KY Srinivasan
2014-09-18 14:43 ` H. Peter Anvin
2014-09-18 15:38 ` Andy Lutomirski
2014-09-18 15:44 ` Andy Lutomirski
2014-09-18 15:58 ` Paolo Bonzini
2014-09-18 16:36 ` KY Srinivasan
2014-09-18 16:36 ` KY Srinivasan
2014-09-18 17:13 ` Nakajima, Jun
2014-09-18 17:17 ` Paolo Bonzini
2014-09-18 17:20 ` Jake Oshins
2014-09-18 17:20 ` Jake Oshins
2014-09-18 17:20 ` KY Srinivasan
2014-09-18 17:42 ` Nakajima, Jun
2014-09-18 18:35 ` Andy Lutomirski
2014-09-18 18:39 ` H. Peter Anvin
2014-09-18 18:54 ` Niels Ferguson
2014-09-18 19:03 ` Andy Lutomirski
2014-09-18 21:54 ` David Hepkin
2014-09-18 21:54 ` David Hepkin
2014-09-19 6:04 ` Paolo Bonzini
2014-09-18 18:58 ` Paolo Bonzini
2014-09-18 19:07 ` Andy Lutomirski
2014-09-18 21:21 ` Nakajima, Jun
2014-09-18 21:35 ` Andy Lutomirski
2014-09-18 21:46 ` David Hepkin
2014-09-18 21:46 ` David Hepkin
2014-09-18 21:57 ` H. Peter Anvin
2014-09-18 22:07 ` Andy Lutomirski
2014-09-19 0:49 ` Nakajima, Jun
2014-09-19 1:03 ` Andy Lutomirski
2014-09-19 1:28 ` Andy Lutomirski
2014-09-19 16:14 ` Nakajima, Jun
2014-09-19 16:22 ` Paolo Bonzini
2014-09-19 16:40 ` H. Peter Anvin
2014-09-19 17:21 ` Andy Lutomirski
2014-09-19 17:36 ` H. Peter Anvin
2014-09-19 17:39 ` Andy Lutomirski
2014-09-19 22:05 ` Theodore Ts'o
2014-09-19 22:06 ` Andy Lutomirski
2014-09-19 22:57 ` Nakajima, Jun
2014-09-19 22:57 ` Theodore Ts'o
2014-09-19 23:12 ` Andy Lutomirski
2014-09-19 23:29 ` H. Peter Anvin
2014-09-19 23:29 ` H. Peter Anvin
2014-09-19 23:35 ` Theodore Ts'o
2014-09-19 23:41 ` Andy Lutomirski
2014-09-20 0:06 ` H. Peter Anvin
2014-09-19 1:28 ` Andy Lutomirski
2014-09-19 0:49 ` Nakajima, Jun
2014-09-18 22:00 ` Andy Lutomirski
2014-09-18 22:03 ` H. Peter Anvin
2014-09-19 16:37 ` Gleb Natapov
2014-09-19 16:40 ` H. Peter Anvin
2014-09-19 16:53 ` Gleb Natapov
2014-09-19 17:08 ` H. Peter Anvin
2014-09-19 17:15 ` Gleb Natapov
2014-09-19 17:18 ` H. Peter Anvin
2014-09-19 17:18 ` H. Peter Anvin
2014-09-19 17:49 ` Gleb Natapov
2014-09-19 18:02 ` Andy Lutomirski
2014-09-19 18:12 ` Gleb Natapov
2014-09-19 18:20 ` Andy Lutomirski
2014-09-19 20:53 ` Gleb Natapov
2014-09-22 4:11 ` Alok Kataria
2014-09-19 17:21 ` Andy Lutomirski
2014-09-19 17:59 ` Gleb Natapov
2014-09-19 17:59 ` Gleb Natapov
2014-09-18 18:56 ` Paolo Bonzini
2014-09-18 17:20 ` KY Srinivasan
2014-09-18 17:17 ` Paolo Bonzini
2014-09-18 14:40 ` KY Srinivasan
2014-09-19 18:30 ` Christopher Covington [this message]
2014-09-19 18:42 ` Andy Lutomirski
2014-09-19 20:21 ` Nadav Amit
2014-09-19 20:21 ` Nadav Amit
2014-09-19 20:46 ` Andy Lutomirski
2014-09-19 21:46 ` H. Peter Anvin
2014-09-22 13:31 ` Christopher Covington
2014-09-22 14:17 ` H. Peter Anvin
2014-09-22 14:18 ` H. Peter Anvin
2014-09-22 23:01 ` H. Peter Anvin
2014-09-21 12:39 ` Paolo Bonzini
2014-09-22 13:33 ` Christopher Covington
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