trustfence: image_types: do not sign artifacts for STM platforms

For the moment, do not sign aditional artifacts, such as the ramdisk,
the kernel or the boot scripts for STM platforms.

In the specific case of the ramdisk, simply copy it over with the
expected filename extension.

Signed-off-by: Hector Palacios <hector.palacios@digi.com>
This commit is contained in:
Hector Palacios 2023-04-25 12:43:30 +02:00
parent 13c136dbc5
commit fa1c877758
4 changed files with 15 additions and 4 deletions

View File

@ -207,7 +207,14 @@ trustence_sign_cpio() {
[ -n "${TRUSTFENCE_DEK_PATH}" ] && [ "${TRUSTFENCE_DEK_PATH}" != "0" ] && export CONFIG_DEK_PATH="${TRUSTFENCE_DEK_PATH}"
# Sign/encrypt the ramdisk
if [ "${DEY_SOC_VENDOR}" = "NXP" ]; then
trustfence-sign-artifact.sh -p "${DIGI_SOM}" -i "${1}" "${1}.tf"
elif [ "${DEY_SOC_VENDOR}" = "STM" ]; then
# TODO: sign the ramdisk for ST platforms
# (fall-back) Copy the image with no changes
cp "${1}" "${1}.tf"
fi
else
# Copy the image with no changes
cp "${1}" "${1}.tf"

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@ -99,8 +99,8 @@ build_uboot_scripts() {
# Alternate boot script for dualboot
mkimage -T script -n "Alternate bootscript" -C none -d ${WORKDIR}/altboot.txt ${DEPLOYDIR}/altboot.scr
# Sign the scripts
if [ "${TRUSTFENCE_SIGN}" = "1" ]; then
# Sign the scripts (TODO signing of artifacts for STM-based platforms)
if [ [ "${TRUSTFENCE_SIGN}" = "1" ] && [ "${DEY_SOC_VENDOR}" != "STM" ] ]; then
export CONFIG_SIGN_KEYS_PATH="${TRUSTFENCE_SIGN_KEYS_PATH}"
[ -n "${TRUSTFENCE_KEY_INDEX}" ] && export CONFIG_KEY_INDEX="${TRUSTFENCE_KEY_INDEX}"
[ -n "${TRUSTFENCE_DEK_PATH}" ] && [ "${TRUSTFENCE_DEK_PATH}" != "0" ] && export CONFIG_DEK_PATH="${TRUSTFENCE_DEK_PATH}"

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@ -5,6 +5,9 @@ DEPENDS += "${@oe.utils.conditional('TRUSTFENCE_SIGN', '1', 'trustfence-sign-too
do_deploy[postfuncs] += "${@oe.utils.conditional('TRUSTFENCE_SIGN', '1', 'trustfence_sign', '', d)}"
trustfence_sign() {
# TODO: signing of artifacts for STM-based platforms
[ "${DEY_SOC_VENDOR}" = "STM" ] && return
# Set environment variables for trustfence configuration
export CONFIG_SIGN_KEYS_PATH="${TRUSTFENCE_SIGN_KEYS_PATH}"
[ -n "${TRUSTFENCE_KEY_INDEX}" ] && export CONFIG_KEY_INDEX="${TRUSTFENCE_KEY_INDEX}"

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@ -70,7 +70,7 @@ python () {
d.setVar("FIP_SIGN_KEY", d.getVar("TRUSTFENCE_SIGN_KEYS_PATH") + "/keys/privateKey0%s.pem" % d.getVar("TRUSTFENCE_KEY_INDEX"));
d.setVar("TRUSTFENCE_PASSWORD_FILE", d.getVar("TRUSTFENCE_SIGN_KEYS_PATH") + "/keys/key_pass.txt")
d.appendVar("UBOOT_TF_CONF", "CONFIG_SIGN_IMAGE=y CONFIG_AUTH_ARTIFACTS=y ")
d.appendVar("UBOOT_TF_CONF", "CONFIG_SIGN_IMAGE=y ")
if (d.getVar("TRUSTFENCE_READ_ONLY_ROOTFS") == "1"):
d.appendVar("UBOOT_TF_CONF", "CONFIG_AUTHENTICATE_SQUASHFS_ROOTFS=y ")
if d.getVar("TRUSTFENCE_SIGN_KEYS_PATH"):
@ -80,6 +80,7 @@ python () {
if d.getVar("TRUSTFENCE_KEY_INDEX"):
d.appendVar("UBOOT_TF_CONF", "CONFIG_KEY_INDEX=%s " % d.getVar("TRUSTFENCE_KEY_INDEX"))
if (d.getVar("DEY_SOC_VENDOR") == "NXP"):
d.appendVar("UBOOT_TF_CONF", "CONFIG_AUTH_ARTIFACTS=y ")
if (d.getVar("TRUSTFENCE_DEK_PATH") not in [None, "0"]):
d.appendVar("UBOOT_TF_CONF", 'CONFIG_DEK_PATH="%s" ' % d.getVar("TRUSTFENCE_DEK_PATH"))
if d.getVar("TRUSTFENCE_SIGN_MODE"):