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![]() Because of system-specific EFI firmware limitations, EFI volatile variables may not be capable of holding the required contents of the Machine Owner Key (MOK) certificate store when the certificate list grows above some size. Therefore, an EFI boot loader may pass the MOK certs via a EFI configuration table created specifically for this purpose to avoid this firmware limitation. An EFI configuration table is a much more primitive mechanism compared to EFI variables and is well suited for one-way passage of static information from a pre-OS environment to the kernel. This patch adds the support to load certs from the MokListRT entry in the MOK variable configuration table, if it's present. The pre-existing support to load certs from the MokListRT EFI variable remains and is used if the EFI MOK configuration table isn't present or can't be successfully used. Signed-off-by: Lenny Szubowicz <lszubowi@redhat.com> Link: https://lore.kernel.org/r/20200905013107.10457-4-lszubowi@redhat.com Signed-off-by: Ard Biesheuvel <ardb@kernel.org> |
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efi_parser.c | ||
keyring_handler.c | ||
keyring_handler.h | ||
load_ipl_s390.c | ||
load_powerpc.c | ||
load_uefi.c | ||
platform_keyring.c |