Messages in this thread | | | Date | Wed, 12 Dec 2018 05:53:30 +1100 (AEDT) | From | James Morris <> | Subject | Re: [PATCH v2 7/7] ima: Support platform keyring for kernel appraisal |
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On Sun, 9 Dec 2018, Nayna Jain wrote:
> On secure boot enabled systems, the bootloader verifies the kernel > image and possibly the initramfs signatures based on a set of keys. A > soft reboot(kexec) of the system, with the same kernel image and > initramfs, requires access to the original keys to verify the > signatures. > > This patch allows IMA-appraisal access to those original keys, now > loaded on the platform keyring, needed for verifying the kernel image > and initramfs signatures. > > Signed-off-by: Nayna Jain <nayna@linux.ibm.com> > Reviewed-by: Mimi Zohar <zohar@linux.ibm.com> > Acked-by: Serge Hallyn <serge@hallyn.com> > - replace 'rc' with 'xattr_len' when calling integrity_digsig_verify() > with INTEGRITY_KEYRING_IMA for readability > Suggested-by: Serge Hallyn <serge@hallyn.com>
Reviewed-by: James Morris <james.morris@microsoft.com>
-- James Morris <jmorris@namei.org>
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