OrgZephyr/mcuboot
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mcuboot
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boot: zephyr: Use private key 

Change adds using own private key for MCUBoot bootloader.

Signed-off-by: Marek Pieta <Marek.Pieta@nordicsemi.no>
This commit is contained in:
Marek Pieta 2020-08-04 02:22:55 -07:00 committed by Andrzej Puzdrowski
parent 71966db097
commit bdcfc859d4
2 changed files with 10 additions and 0 deletions
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5
boot/zephyr/CMakeLists.txt
View File

@ -231,9 +231,14 @@ if(CONFIG_MCUBOOT_SERIAL)
) )
endif() endif()
# CONF_FILE points to the KConfig configuration file of the bootloader
get_filename_component(CONF_DIR ${CONF_FILE} DIRECTORY)
if(NOT CONFIG_BOOT_SIGNATURE_KEY_FILE STREQUAL "") if(NOT CONFIG_BOOT_SIGNATURE_KEY_FILE STREQUAL "")
if(IS_ABSOLUTE ${CONFIG_BOOT_SIGNATURE_KEY_FILE}) if(IS_ABSOLUTE ${CONFIG_BOOT_SIGNATURE_KEY_FILE})
set(KEY_FILE ${CONFIG_BOOT_SIGNATURE_KEY_FILE}) set(KEY_FILE ${CONFIG_BOOT_SIGNATURE_KEY_FILE})
elseif(EXISTS ${CONF_DIR}/${CONFIG_BOOT_SIGNATURE_KEY_FILE})
set(KEY_FILE ${CONF_DIR}/${CONFIG_BOOT_SIGNATURE_KEY_FILE})
else() else()
set(KEY_FILE ${MCUBOOT_DIR}/${CONFIG_BOOT_SIGNATURE_KEY_FILE}) set(KEY_FILE ${MCUBOOT_DIR}/${CONFIG_BOOT_SIGNATURE_KEY_FILE})
endif() endif()

5
boot/zephyr/Kconfig
View File

@ -128,6 +128,11 @@ config BOOT_SIGNATURE_KEY_FILE
string "PEM key file" string "PEM key file"
default "" default ""
help help
You can use either absolute or relative path.
In case relative path is used, the build system assumes that it starts
from the directory where the MCUBoot KConfig configuration file is
located. If the key file is not there, the build system uses relative
path that starts from the MCUBoot repository root directory.
The key file will be parsed by imgtool's getpub command and a .c source The key file will be parsed by imgtool's getpub command and a .c source
with the public key information will be written in a format expected by with the public key information will be written in a format expected by
MCUboot. MCUboot.