mirror of
				https://github.com/Telecominfraproject/wlan-ap.git
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	Specifications: SoC: MediaTek MT7981BA RF Chipset: MT7976DA @2.4GHz 2T2R MT7976DA @5ghz 2T2R RAM: 512MB DDR4 RAM Flash: SPI-NAND 256 MiB Ethernet: 2 x 1GbE PHY Reset Button Power Source: DC IN 12v, Standard PoE 802.3af/at LED Indicator: 1 x single color LED (GPIO Control) Fixes: WIFI-14312 Signed-off-by: steven.lin <steven.lin@senao.com>
		
			
				
	
	
		
			116 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			116 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
From 95dfd6ea3a2c06a81a4513fe943d640d4d990194 Mon Sep 17 00:00:00 2001
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From: "steven.lin" <steven.lin@senao.com>
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Date: Mon, 11 Nov 2024 09:28:18 +0800
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Subject: [PATCH] secure boot support sha256
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---
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 scripts/mkits-secure_boot.sh | 37 ++++++++++++++++++++++++++++++++----
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 1 file changed, 33 insertions(+), 4 deletions(-)
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diff --git a/scripts/mkits-secure_boot.sh b/scripts/mkits-secure_boot.sh
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index 1c7f292618..0a09792971 100755
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--- a/scripts/mkits-secure_boot.sh
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+++ b/scripts/mkits-secure_boot.sh
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@@ -17,7 +17,7 @@
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 usage() {
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 	printf "Usage: %s -A arch -C comp -a addr -e entry" "$(basename "$0")"
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 	printf " -v version -k kernel [-D name -n address -d dtb] -o its_file"
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-	printf " [-s script] [-S key_name_hint] [-r ar_ver] [-R rootfs]"
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+	printf " [-s script] [-S key_name_hint] [-b key_alg] [-r ar_ver] [-R rootfs] [-m rfsk]"
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 	printf "\n\t-A ==> set architecture to 'arch'"
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 	printf "\n\t-C ==> set compression type 'comp'"
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@@ -32,18 +32,21 @@ usage() {
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 	printf "\n\t-o ==> create output file 'its_file'"
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 	printf "\n\t-s ==> include u-boot script 'script'"
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 	printf "\n\t-S ==> add signature at configurations and assign its key_name_hint by 'key_name_hint'"
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+	printf "\n\t-b ==> set key algorithm"
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 	printf "\n\t-r ==> set anti-rollback version to 'fw_ar_ver' (dec)"
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-	printf "\n\t-R ==> specify rootfs file for embedding hash\n"
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+	printf "\n\t-R ==> specify rootfs file for embedding hash"
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+	printf "\n\t-m ==> include encrypted rootfs key'\n"
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 	exit 1
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 }
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 FDTNUM=1
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-while getopts ":A:a:c:C:D:d:e:k:n:o:v:s:S:r:R:" OPTION
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+while getopts ":A:a:b:c:C:D:d:e:k:n:o:v:s:S:r:R:m:" OPTION
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 do
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 	case $OPTION in
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 		A ) ARCH=$OPTARG;;
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 		a ) LOAD_ADDR=$OPTARG;;
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+		b ) KEY_ALG=$OPTARG;;
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 		c ) CONFIG=$OPTARG;;
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 		C ) COMPRESS=$OPTARG;;
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 		D ) DEVICE=$OPTARG;;
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@@ -57,6 +60,7 @@ do
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 		S ) KEY_NAME_HINT=$OPTARG;;
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 		r ) AR_VER=$OPTARG;;
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 		R ) ROOTFS_FILE=$OPTARG;;
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+		m ) ROOTFS_KEY=$OPTARG;;
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 		* ) echo "Invalid option passed to '$0' (options:$*)"
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 		usage;;
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 	esac
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@@ -91,6 +95,19 @@ if [ -n "${DTB}" ]; then
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 	FDT_PROP="fdt = \"fdt-$FDTNUM\";"
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 fi
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+# Conditionally create encrypted rootfs-key information
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+if [ -n "${ROOTFS_KEY}" ]; then
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+	RFSK_NODE="
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+			rfsk = <$(cat ${ROOTFS_KEY} | od -An -t x1 -w256 | sed 's/ //g; s/.\{8\}/0x& /g; s/.$//g')>;";
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+
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+	FIT_SECRET_NODE="
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+	fit-secrets {
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+		${CONFIG} {
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+		};
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+	};
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+"
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+fi
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+
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 # Conditionally create rootfs hash information
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 if [ -f "${ROOTFS_FILE}" ]; then
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 	ROOTFS_SIZE=$(stat -c %s ${ROOTFS_FILE})
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@@ -149,11 +166,20 @@ fi
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 # Conditionally create signature information
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 if [ -n "${KEY_NAME_HINT}" ]; then
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+	if [[ "${KEY_NAME_HINT}" == "offline,"* ]]; then
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+		KEY_NAME_HINT=$(echo -n "${KEY_NAME_HINT}" | sed "s/^.*[,]//g")
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+		SIGN_OFFLINE="
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+				sign-offline = <1>;"
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+	fi
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+	if [ -z "${KEY_ALG}" ]; then
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+		KEY_ALG="sha256,rsa2048"
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+	fi
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 	SIGNATURE="\
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 			signature {
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-				algo = \"sha1,rsa2048\";
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+				algo = \"${KEY_ALG}\";
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 				key-name-hint = \"${KEY_NAME_HINT}\";
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 ${SIGN_IMAGES}
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+${SIGN_OFFLINE}
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 			};\
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 "
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 fi
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@@ -200,12 +226,15 @@ ${ROOTFS}
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 		${CONFIG} {
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 			description = \"OpenWrt\";
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 ${FW_AR_VER}
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+${RFSK_NODE}
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 ${LOADABLES}
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 			kernel = \"kernel-1\";
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 			${FDT_PROP}
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 ${SIGNATURE}
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 		};
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 	};
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+
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+${FIT_SECRET_NODE}
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 };"
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 # Write .its file to disk
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-- 
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2.43.2
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