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sm6250-common: Use RSA4096 keys for recovery and vbmeta_system

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* Per https://android.googlesource.com/platform/external/avb/+/master/README.md#build-system-integration, SHA256_RSA4096 is used if BOARD_AVB_ALGORITHM isn't defined
* We can assume bootloader is able to understand RSA4096 keys for recovery and vbmeta_system as well

Change-Id: I7325387ed4bf04407629c48bbc2e7126c151c192
This commit is contained in:
Sebastiano Barezzi 2022-10-04 23:51:44 +02:00 committed by Alexander Winkowski
parent 51c784b7c3
commit 80f5acee8f
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GPG Key ID: 72762A66704CDE44
1 changed files with 4 additions and 4 deletions
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8
BoardConfigCommon.mk
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@ -178,13 +178,13 @@ BOARD_SEPOLICY_DIRS += $(COMMON_PATH)/sepolicy/vendor
# Verified Boot
BOARD_AVB_ENABLE := true
BOARD_AVB_MAKE_VBMETA_IMAGE_ARGS += --flags 3
BOARD_AVB_RECOVERY_KEY_PATH := external/avb/test/data/testkey_rsa2048.pem
BOARD_AVB_RECOVERY_ALGORITHM := SHA256_RSA2048
BOARD_AVB_RECOVERY_KEY_PATH := external/avb/test/data/testkey_rsa4096.pem
BOARD_AVB_RECOVERY_ALGORITHM := SHA256_RSA4096
BOARD_AVB_RECOVERY_ROLLBACK_INDEX := $(PLATFORM_SECURITY_PATCH_TIMESTAMP)
BOARD_AVB_RECOVERY_ROLLBACK_INDEX_LOCATION := 1
BOARD_AVB_VBMETA_SYSTEM := system system_ext product
BOARD_AVB_VBMETA_SYSTEM_KEY_PATH := external/avb/test/data/testkey_rsa2048.pem
BOARD_AVB_VBMETA_SYSTEM_ALGORITHM := SHA256_RSA2048
BOARD_AVB_VBMETA_SYSTEM_KEY_PATH := external/avb/test/data/testkey_rsa4096.pem
BOARD_AVB_VBMETA_SYSTEM_ALGORITHM := SHA256_RSA4096
BOARD_AVB_VBMETA_SYSTEM_ROLLBACK_INDEX := $(PLATFORM_SECURITY_PATCH_TIMESTAMP)
BOARD_AVB_VBMETA_SYSTEM_ROLLBACK_INDEX_LOCATION := 1