linux-integrity.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Thiago Jung Bauermann <bauerman@linux.ibm.com>
To: Jordan Hand <jorhand@linux.microsoft.com>
Cc: linux-integrity@vger.kernel.org,
	linux-security-module@vger.kernel.org, keyrings@vger.kernel.org,
	linux-crypto@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
	linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
	Mimi Zohar <zohar@linux.ibm.com>,
	Dmitry Kasatkin <dmitry.kasatkin@gmail.com>,
	James Morris <jmorris@namei.org>,
	"Serge E. Hallyn" <serge@hallyn.com>,
	David Howells <dhowells@redhat.com>,
	David Woodhouse <dwmw2@infradead.org>,
	Jessica Yu <jeyu@kernel.org>,
	Herbert Xu <herbert@gondor.apana.org.au>,
	"David S. Miller" <davem@davemloft.net>,
	Jonathan Corbet <corbet@lwn.net>, "AKASHI\,
	Takahiro" <takahiro.akashi@linaro.org>
Subject: Re: [PATCH v12 00/11] Appended signatures support for IMA appraisal
Date: Mon, 26 Aug 2019 22:04:43 -0300	[thread overview]
Message-ID: <87k1azpges.fsf@morokweng.localdomain> (raw)
In-Reply-To: <9682b5d0-1634-2dd0-2cbb-eb1fa8ba7423@linux.microsoft.com>


Hello Jordan,

Jordan Hand <jorhand@linux.microsoft.com> writes:

> On 6/27/19 7:19 PM, Thiago Jung Bauermann wrote:
>> On the OpenPOWER platform, secure boot and trusted boot are being
>> implemented using IMA for taking measurements and verifying signatures.
>> Since the kernel image on Power servers is an ELF binary, kernels are
>> signed using the scripts/sign-file tool and thus use the same signature
>> format as signed kernel modules.
>> 
>> This patch series adds support in IMA for verifying those signatures.
>> It adds flexibility to OpenPOWER secure boot, because it allows it to boot
>> kernels with the signature appended to them as well as kernels where the
>> signature is stored in the IMA extended attribute.
>
> I know this is pretty late, but I just wanted to let you know that I
> tested this patch set on x86_64 with QEMU.
>
> That is, I enrolled a key to _ima keyring, signed my kernel and modules
> with appended signatures (with scripts/sign-file), set the IMA policy to
> appraise and measure my kernel and modules. Also tested kexec appraisal.
>
> You can add my tested-by if you'd like.

Thanks for testing!

-- 
Thiago Jung Bauermann
IBM Linux Technology Center

  reply	other threads:[~2019-08-27  1:05 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-28  2:19 [PATCH v12 00/11] Appended signatures support for IMA appraisal Thiago Jung Bauermann
2019-06-28  2:19 ` [PATCH v12 01/11] MODSIGN: Export module signature definitions Thiago Jung Bauermann
2019-07-01 14:47   ` Jessica Yu
2019-07-04  6:42     ` Thiago Jung Bauermann
2019-07-04 10:54       ` Philipp Rudo
2019-07-04 18:57         ` Thiago Jung Bauermann
2019-07-05 13:00           ` Philipp Rudo
2019-07-23 22:39             ` Thiago Jung Bauermann
2019-08-05 13:11               ` Philipp Rudo
2019-08-05 14:25                 ` Mimi Zohar
2019-06-28  2:19 ` [PATCH v12 02/11] PKCS#7: Refactor verify_pkcs7_signature() Thiago Jung Bauermann
2019-06-28  2:19 ` [PATCH v12 03/11] PKCS#7: Introduce pkcs7_get_digest() Thiago Jung Bauermann
2019-06-28  2:19 ` [PATCH v12 04/11] integrity: Select CONFIG_KEYS instead of depending on it Thiago Jung Bauermann
2019-06-28  2:19 ` [PATCH v12 05/11] ima: Add modsig appraise_type option for module-style appended signatures Thiago Jung Bauermann
2019-06-28  2:19 ` [PATCH v12 06/11] ima: Factor xattr_verify() out of ima_appraise_measurement() Thiago Jung Bauermann
2019-06-28  2:19 ` [PATCH v12 07/11] ima: Implement support for module-style appended signatures Thiago Jung Bauermann
2019-06-28  2:19 ` [PATCH v12 08/11] ima: Collect modsig Thiago Jung Bauermann
2019-06-28  2:19 ` [PATCH v12 09/11] ima: Define ima-modsig template Thiago Jung Bauermann
2019-06-28  2:19 ` [PATCH v12 10/11] ima: Store the measurement again when appraising a modsig Thiago Jung Bauermann
2019-06-28  2:19 ` [PATCH v12 11/11] ima: Allow template= option for appraise rules as well Thiago Jung Bauermann
2019-07-01 14:38 ` [PATCH v12 00/11] Appended signatures support for IMA appraisal Mimi Zohar
2019-07-04  6:45   ` Thiago Jung Bauermann
2019-08-26 22:46 ` Jordan Hand
2019-08-27  1:04   ` Thiago Jung Bauermann [this message]
2019-08-28 13:43   ` Mimi Zohar

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=87k1azpges.fsf@morokweng.localdomain \
    --to=bauerman@linux.ibm.com \
    --cc=corbet@lwn.net \
    --cc=davem@davemloft.net \
    --cc=dhowells@redhat.com \
    --cc=dmitry.kasatkin@gmail.com \
    --cc=dwmw2@infradead.org \
    --cc=herbert@gondor.apana.org.au \
    --cc=jeyu@kernel.org \
    --cc=jmorris@namei.org \
    --cc=jorhand@linux.microsoft.com \
    --cc=keyrings@vger.kernel.org \
    --cc=linux-crypto@vger.kernel.org \
    --cc=linux-doc@vger.kernel.org \
    --cc=linux-integrity@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-security-module@vger.kernel.org \
    --cc=linuxppc-dev@lists.ozlabs.org \
    --cc=serge@hallyn.com \
    --cc=takahiro.akashi@linaro.org \
    --cc=zohar@linux.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).