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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. [zohar@linux.ibm.com: only use platform keyring if it's enabled (Thiago)] Signed-off-by: Nayna Jain <nayna@linux.ibm.com> Reviewed-by: Mimi Zohar <zohar@linux.ibm.com> Acked-by: Serge Hallyn <serge@hallyn.com> Reviewed-by: James Morris <james.morris@microsoft.com> Reviewed-by: Thiago Jung Bauermann <bauerman@linux.ibm.com> Signed-off-by: Mimi Zohar <zohar@linux.ibm.com> |
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| .. | ||
| apparmor | ||
| integrity | ||
| keys | ||
| loadpin | ||
| selinux | ||
| smack | ||
| tomoyo | ||
| yama | ||
| commoncap.c | ||
| device_cgroup.c | ||
| inode.c | ||
| Kconfig | ||
| lsm_audit.c | ||
| Makefile | ||
| min_addr.c | ||
| security.c | ||