From: Arno Wagner <arno@wagner.name>
To: dm-crypt@saout.de
Subject: Re: [dm-crypt] Quick dm-crypt questions
Date: Wed, 29 Oct 2014 17:21:29 +0100 [thread overview]
Message-ID: <20141029162128.GD11970@tansi.org> (raw)
In-Reply-To: <54510BC2.6010501@binarysignals.net>
FAQ Item 6.10 should also apply to AES-NI, AFAIK.
I do not have an AES-NI capable system though to
thest that.
I think this whole idea of storing keys in cache
was some demo at some conference, but is not fit for
practical deployment, as CPUs are too differtent.
Arno
On Wed, Oct 29, 2014 at 16:46:10 CET, Ingo Schmitt wrote:
>
> On 10/29/14 15:59, * wrote:
> > If an attacker has access on that level, they can probaly just do
> > a memory-freeze attack or a fire-wire attack. Remember that
> > disk encryption does not protect data while the system is running
> > and has the data decrypted.
>
> I thought, AES NI makes cold boot attacks almost impossible because
> the master key will be hold in CPU's cache and not in system RAM.
>
> Since I read that mail thread, I'm not sure about that anymore.
>
> Pls enlighten me ;)
>
> --
> -- \__________________________________________________
> ingo.schmitt@binarysignals.net - GnuPG ID: 0xAFD687D2 |
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--
Arno Wagner, Dr. sc. techn., Dipl. Inform., Email: arno@wagner.name
GnuPG: ID: CB5D9718 FP: 12D6 C03B 1B30 33BB 13CF B774 E35C 5FA1 CB5D 9718
----
A good decision is based on knowledge and not on numbers. -- Plato
If it's in the news, don't worry about it. The very definition of
"news" is "something that hardly ever happens." -- Bruce Schneier
next prev parent reply other threads:[~2014-10-29 16:21 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-28 9:15 [dm-crypt] Quick dm-crypt questions Cpp
2014-10-28 9:48 ` Milan Broz
2014-10-28 11:13 ` Arno Wagner
2014-10-29 9:24 ` Cpp
2014-10-29 10:33 ` Ralf Ramsauer
2014-10-29 14:59 ` Arno Wagner
2014-10-29 15:30 ` Ralf Ramsauer
2014-10-29 15:46 ` Ingo Schmitt
2014-10-29 16:21 ` Arno Wagner [this message]
2014-10-29 16:50 ` Milan Broz
2014-10-30 0:19 ` Sven Eschenberg
2014-10-29 15:53 ` Cpp
2014-10-29 16:30 ` Arno Wagner
2014-10-29 14:56 ` Arno Wagner
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