[PATCH v5 0/5] Enable root to update the blacklist keyring

[Jarkko Sakkinen]

On Thu, 2021-01-28 at 20:17 +0100, Mickaël Salaün wrote:
> This fifth patch series is a rebase on David Howells's keys-misc branch.
> The fix patches are already in this branch and then removed from this
> series, other patches are unchanged.
> 
> 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.
> 
> Previous patch series:
> https://lore.kernel.org/lkml/20210121155513.539519-1-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                                |  15 +-
>  certs/blacklist.c                             | 207 ++++++++++++++----
>  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, 336 insertions(+), 77 deletions(-)
>  create mode 100755 scripts/check-blacklist-hashes.awk
>  create mode 100755 tools/certs/print-cert-tbs-hash.sh
> 
> 
> base-commit: 8f0bfc25c907f38e7f9dc498e8f43000d77327ef

I tested these, so you both reviewed-by and tested-by
from side to all.

/Jarkko