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u-boot/lib/efi_loader
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AKASHI Takahiro 767f6eeb01 efi_loader: variable: support variable authentication 
With this commit, EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS
is supported for authenticated variables and the system secure state
will transfer between setup mode and user mode as UEFI specification
section 32.3 describes.

Internally, authentication data is stored as part of authenticated
variable's value. It is nothing but a pkcs7 message (but we need some
wrapper, see efi_variable_parse_signature()) and will be validated by
efi_variable_authenticate(), hence efi_signature_verify_with_db().

Associated time value will be encoded in "{...,time=...}" along with
other UEFI variable's attributes.

Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
2020-04-16 08:12:46 +02:00
..
.gitignore efi_loader: git ignore helloworld_efi.S 2020-01-07 18:08:20 +01:00
efi_acpi.c efi_loader: Install ACPI configuration tables 2018-07-02 09:23:28 +08:00
efi_bootmgr.c efi_loader: function comments efi_bootmgr.c 2019-07-16 22:17:20 +00:00
efi_boottime.c efi_loader: export a couple of protocol related functions 2020-03-17 08:29:52 +01:00
efi_console.c dm: core: Create a new header file for 'compat' features 2020-02-05 19:33:46 -07:00
efi_device_path.c efi_loader: remove unused function efi_dp_from_dev() 2019-11-19 12:10:22 +01:00
efi_device_path_to_text.c efi: device path for nvme 2019-10-06 16:02:37 +02:00
efi_device_path_utilities.c SPDX: Convert a few files that were missed before 2018-05-10 20:38:35 -04:00
efi_disk.c efi_loader: add missing doc comments in efi_disk.c 2020-04-16 08:10:01 +02:00
efi_file.c efi_loader: adjust file system info 2020-01-07 18:08:20 +01:00
efi_freestanding.c efi_loader: fix freestanding memmove() 2020-03-22 11:06:23 +01:00
efi_gop.c doc: UEFI API documentation 2019-09-05 23:18:52 +02:00
efi_hii.c efi_loader: ListPackageLists() return EFI_NOT_FOUND 2019-06-20 22:26:19 +00:00
efi_hii_config.c efi_loader: debug output for HII protocols 2019-02-13 09:40:06 +01:00
efi_image_loader.c common: Move ARM cache operations out of common.h 2019-12-02 18:24:58 -05:00
efi_load_initrd.c efi_loader: Implement FileLoad2 for initramfs loading 2020-02-28 19:37:14 +01:00
efi_memory.c efi_loader: get_memory_map: return parameters whenever possible 2020-03-11 08:23:05 +01:00
efi_net.c doc: UEFI API documentation 2019-09-05 23:18:52 +02:00
efi_rng.c efi_loader: document functions in efi_rng.c 2020-01-15 00:51:51 +01:00
efi_root_node.c efi_rng_protocol: Install the efi_rng_protocol on the root node 2020-01-07 18:08:22 +01:00
efi_runtime.c efi_loader: description efi_convert_pointer() 2020-03-22 11:06:23 +01:00
efi_setup.c efi_loader: Implement FileLoad2 for initramfs loading 2020-02-28 19:37:14 +01:00
efi_signature.c efi_loader: add signature database parser 2020-04-16 08:12:46 +02:00
efi_smbios.c sandbox: smbios: Update to support sandbox 2018-12-02 21:59:37 +01:00
efi_unicode_collation.c efi_loader: function descriptions efi_unicode_collation.c 2020-04-16 08:10:01 +02:00
efi_variable.c efi_loader: variable: support variable authentication 2020-04-16 08:12:46 +02:00
efi_watchdog.c efi_loader: function descriptions efi_watchdog.c 2020-04-16 08:10:02 +02:00
helloworld.c efi_loader: consistent naming of protocol GUIDs 2019-04-23 00:37:27 +02:00
Kconfig efi_loader: add CONFIG_EFI_SECURE_BOOT config option 2020-04-16 08:12:46 +02:00
Makefile efi_loader: add signature verification functions 2020-04-16 08:12:46 +02:00