[PATCH v9 18/25] security: Introduce key_post_create_or_update hook

[Paul Moore]

On Jan 15, 2024 Roberto Sassu <roberto.sassu at huaweicloud.com> wrote:
> 
> In preparation for moving IMA and EVM to the LSM infrastructure, introduce
> the key_post_create_or_update hook.
> 
> Depending on policy, IMA measures the key content after creation or update,
> so that remote verifiers are aware of the operation.
> 
> Other LSMs could similarly take some action after successful key creation
> or update.
> 
> The new hook cannot return an error and cannot cause the operation to be
> reverted.
> 
> Signed-off-by: Roberto Sassu <roberto.sassu at huawei.com>
> Reviewed-by: Stefan Berger <stefanb at linux.ibm.com>
> Acked-by: Casey Schaufler <casey at schaufler-ca.com>
> Reviewed-by: Mimi Zohar <zohar at linux.ibm.com>
> ---
>  include/linux/lsm_hook_defs.h |  3 +++
>  include/linux/security.h      | 11 +++++++++++
>  security/keys/key.c           |  7 ++++++-
>  security/security.c           | 19 +++++++++++++++++++
>  4 files changed, 39 insertions(+), 1 deletion(-)

Acked-by: Paul Moore <paul at paul-moore.com>

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