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Subject: Re: [PATCH v6 0/5] Enable root to update the blacklist keyring
To:     David Howells <dhowells@redhat.com>,
        David Woodhouse <dwmw2@infradead.org>,
        Jarkko Sakkinen <jarkko@kernel.org>,
        Eric Snowberg <eric.snowberg@oracle.com>
Cc:     "David S . Miller" <davem@davemloft.net>,
        Herbert Xu <herbert@gondor.apana.org.au>,
        James Morris <jmorris@namei.org>,
        =?UTF-8?Q?Micka=c3=abl_Sala=c3=bcn?= <mic@linux.microsoft.com>,
        Mimi Zohar <zohar@linux.ibm.com>,
        "Serge E . Hallyn" <serge@hallyn.com>,
        Tyler Hicks <tyhicks@linux.microsoft.com>,
        keyrings@vger.kernel.org, linux-crypto@vger.kernel.org,
        linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-security-module@vger.kernel.org
References: <20210210120410.471693-1-mic@digikod.net>
From:   =?UTF-8?Q?Micka=c3=abl_Sala=c3=bcn?= <mic@digikod.net>
Message-ID: <132a6049-e91b-3922-cd3f-89574dd049fe@digikod.net>
Date:   Sun, 21 Feb 2021 12:17:54 +0100
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David, Eric, what is the status of this patch series?

On 10/02/2021 13:04, Mickaël Salaün wrote:
> This new patch series is a rebase on David Howells's keys-misc branch.
> This mainly fixes UEFI DBX and the new Eric Snowberg's feature to import
> asymmetric keys to the blacklist keyring.
> I successfully tested this patch series with the 186 entries from
> https://uefi.org/sites/default/files/resources/dbxupdate_x64.bin (184
> binary hashes and 2 certificates).
> 
> The goal of these patches is to add a new configuration option to enable the
> root user to load signed keys in the blacklist keyring.  This keyring is useful
> to "untrust" certificates or files.  Enabling to safely update this keyring
> without recompiling the kernel makes it more usable.
> 
> This can be applied on top of David Howells's keys-next branch:
> https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git/log/?h=keys-next
> Git commits can be found in https://github.com/l0kod/linux branch
> dyn-auth-blacklist-v6 commit fcf976b74ffcd4551683e6b70dbf5fb102cf9906 .
> 
> Previous patch series:
> https://lore.kernel.org/lkml/20210128191705.3568820-1-mic@digikod.net/
> 
> Regards,
> 
> Mickaël Salaün (5):
>   tools/certs: Add print-cert-tbs-hash.sh
>   certs: Check that builtin blacklist hashes are valid
>   certs: Make blacklist_vet_description() more strict
>   certs: Factor out the blacklist hash creation
>   certs: Allow root user to append signed hashes to the blacklist
>     keyring
> 
>  MAINTAINERS                                   |   2 +
>  certs/.gitignore                              |   1 +
>  certs/Kconfig                                 |  17 +-
>  certs/Makefile                                |  17 +-
>  certs/blacklist.c                             | 218 ++++++++++++++----
>  crypto/asymmetric_keys/x509_public_key.c      |   3 +-
>  include/keys/system_keyring.h                 |  14 +-
>  scripts/check-blacklist-hashes.awk            |  37 +++
>  .../platform_certs/keyring_handler.c          |  26 +--
>  tools/certs/print-cert-tbs-hash.sh            |  91 ++++++++
>  10 files changed, 346 insertions(+), 80 deletions(-)
>  create mode 100755 scripts/check-blacklist-hashes.awk
>  create mode 100755 tools/certs/print-cert-tbs-hash.sh
> 
> 
> base-commit: 5bcd72358a7d7794ade0452ed12919b8c4d6ffc7
>