From: Petko Manolov <petkan@mip-labs.com>
To: Andy Lutomirski <luto@amacapital.net>
Cc: David Howells <dhowells@redhat.com>,
Mimi Zohar <zohar@linux.vnet.ibm.com>, Joey Lee <jlee@suse.de>,
Rusty Russell <rusty@rustcorp.com.au>,
Kyle McMartin <kyle@kernel.org>,
Sedat Dilek <sedat.dilek@gmail.com>,
LSM List <linux-security-module@vger.kernel.org>,
Jiri Kosina <jkosina@suse.cz>,
Konstantin Ryabitsev <mricon@kernel.org>,
Michal Marek <mmarek@suse.cz>,
Seth Forshee <seth.forshee@canonical.com>,
"Luis R. Rodriguez" <mcgrof@suse.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Borislav Petkov <bp@alien8.de>,
David Woodhouse <david.woodhouse@intel.com>,
Linux Wireless List <linux-wireless@vger.kernel.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
James Morris <james.l.morris@oracle.com>,
keyrings@linux-nfs.org, Abelardo Ricart III <aricart@memnix.com>,
"Serge E. Hallyn" <serge@hallyn.com>
Subject: Re: [RFD] linux-firmware key arrangement for firmware signing
Date: Thu, 21 May 2015 19:51:02 +0300 [thread overview]
Message-ID: <20150521165101.GI18164@localhost> (raw)
In-Reply-To: <CALCETrX3krCsqCLvLYx1QdnjFK=R8FF7ta=vozDcGYSTUHvSrA@mail.gmail.com>
On 15-05-21 09:39:50, Andy Lutomirski wrote:
>
> It's also a performance cost because the average user of this signature stuff
> doesn't actually want IMA, and IMA is checking the wrong think anyway.
> IMA/EVM tells us "this file validly belongs in /lib/modules/whatever according
> to whomever we trust for the filesystem". We want to check "is this data,
> regardless of where it was read from, a trusted module".
IMA-appraise does not care where the file comes from (although it may be
persuaded to) and verifies file's data and meta-data against a signature. I
guess you should actually read the code. :)
Petko
next prev parent reply other threads:[~2015-05-21 16:51 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-19 20:02 [RFD] linux-firmware key arrangement for firmware signing Luis R. Rodriguez
2015-05-19 20:40 ` Luis R. Rodriguez
2015-05-19 20:59 ` Andy Lutomirski
2015-05-19 22:11 ` Luis R. Rodriguez
2015-05-19 22:40 ` Andy Lutomirski
2015-05-19 23:30 ` Julian Calaby
2015-05-19 23:42 ` Andy Lutomirski
2015-05-20 0:39 ` Luis R. Rodriguez
2015-05-20 0:41 ` Andy Lutomirski
2015-05-21 22:26 ` Luis R. Rodriguez
2015-05-21 23:15 ` Casey Schaufler
2015-05-21 15:51 ` David Howells
2015-05-21 16:30 ` Mimi Zohar
2015-05-21 16:39 ` Andy Lutomirski
2015-05-21 16:51 ` Petko Manolov [this message]
2015-05-21 16:55 ` Andy Lutomirski
2015-05-21 17:44 ` Petko Manolov
2015-05-21 16:43 ` Petko Manolov
2015-05-21 16:48 ` Andy Lutomirski
2015-05-21 16:58 ` Petko Manolov
2015-05-21 16:59 ` Mimi Zohar
2015-05-19 21:48 ` Mimi Zohar
2015-05-19 22:19 ` Luis R. Rodriguez
2015-05-19 23:37 ` Mimi Zohar
2015-05-20 0:22 ` Luis R. Rodriguez
2015-05-20 1:06 ` Mimi Zohar
2015-05-20 1:29 ` Andy Lutomirski
2015-05-20 2:05 ` Mimi Zohar
2015-05-20 2:10 ` Andy Lutomirski
2015-05-20 15:49 ` Petko Manolov
2015-05-20 16:08 ` Petko Manolov
2015-05-20 14:04 ` Seth Forshee
2015-05-20 16:24 ` One Thousand Gnomes
2015-05-20 16:46 ` Petko Manolov
2015-05-21 4:41 ` Greg Kroah-Hartman
2015-05-21 5:41 ` Petko Manolov
2015-05-21 6:14 ` Greg Kroah-Hartman
2015-05-21 13:05 ` Mimi Zohar
2015-05-21 15:45 ` Greg Kroah-Hartman
2015-05-21 15:53 ` Petko Manolov
2015-05-21 16:57 ` Greg Kroah-Hartman
2015-05-26 17:08 ` One Thousand Gnomes
2015-05-26 19:15 ` Petko Manolov
2015-05-26 19:52 ` Mimi Zohar
2015-05-26 23:06 ` David Howells
2015-05-21 16:03 ` Woodhouse, David
2015-05-21 16:22 ` Mimi Zohar
2015-05-21 16:31 ` Woodhouse, David
2015-05-21 17:02 ` gregkh
2015-05-21 17:14 ` Petko Manolov
2015-05-21 18:23 ` Luis R. Rodriguez
2015-05-21 18:30 ` Luis R. Rodriguez
2015-05-21 19:32 ` Woodhouse, David
2015-05-21 17:49 ` Luis R. Rodriguez
2015-05-21 14:45 ` Petko Manolov
2015-05-21 22:50 ` Luis R. Rodriguez
2015-05-20 20:35 ` Kyle McMartin
2015-05-20 15:08 ` David Howells
2015-05-20 15:47 ` Seth Forshee
2015-05-21 16:23 ` David Howells
2015-05-20 15:14 ` David Howells
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20150521165101.GI18164@localhost \
--to=petkan@mip-labs.com \
--cc=aricart@memnix.com \
--cc=bp@alien8.de \
--cc=david.woodhouse@intel.com \
--cc=dhowells@redhat.com \
--cc=gregkh@linuxfoundation.org \
--cc=james.l.morris@oracle.com \
--cc=jkosina@suse.cz \
--cc=jlee@suse.de \
--cc=keyrings@linux-nfs.org \
--cc=kyle@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-security-module@vger.kernel.org \
--cc=linux-wireless@vger.kernel.org \
--cc=luto@amacapital.net \
--cc=mcgrof@suse.com \
--cc=mmarek@suse.cz \
--cc=mricon@kernel.org \
--cc=rusty@rustcorp.com.au \
--cc=sedat.dilek@gmail.com \
--cc=serge@hallyn.com \
--cc=seth.forshee@canonical.com \
--cc=torvalds@linux-foundation.org \
--cc=zohar@linux.vnet.ibm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).