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meta-digi-arm: trustfence: implement Yocto secure boot configuration 

Implement the set of TRUSTFENCE_ macros to configure each secure boot feature
available in U-Boot.

https://jira.digi.com/browse/DUB-570

Signed-off-by: Jose Diaz de Grenu de Pedro <Jose.DiazdeGrenudePedro@digi.com>
This commit is contained in:
Jose Diaz de Grenu de Pedro 2016-05-31 11:22:31 +02:00
parent 0aa26fb70a
commit 5f45a87ebd
2 changed files with 37 additions and 0 deletions
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19
meta-digi-arm/recipes-bsp/u-boot/u-boot-dey_2015.04.bb
View File

@ -63,6 +63,12 @@ do_compile () {
oe_runmake O=${config} oldconfig
oe_runmake O=${config} ${UBOOT_MAKE_TARGET}
cp ${S}/${config}/${UBOOT_BINARY} ${S}/${config}/u-boot-${type}.${UBOOT_SUFFIX}
# Secure boot artifacts
if [ -n "${TRUSTFENCE_UBOOT_SIGN}" ]; then
then
cp ${S}/${config}/u-boot-signed.imx ${S}/${config}/u-boot-signed-${type}.${UBOOT_SUFFIX}
fi
fi
done
unset j
@ -94,6 +100,19 @@ do_deploy_append() {
cd ${DEPLOYDIR}
rm -r ${UBOOT_BINARY}-${type} ${UBOOT_SYMLINK}-${type}
ln -sf u-boot-${type}-${PV}-${PR}.${UBOOT_SUFFIX} u-boot-${type}.${UBOOT_SUFFIX}
if [ -n "${TRUSTFENCE_UBOOT_SIGN}" ]
then
install ${S}/${config}/SRK_efuses.bin SRK_efuses-${PV}-${PR}.bin
install ${S}/${config}/u-boot-signed-${type}.${UBOOT_SUFFIX} u-boot-signed-${type}-${PV}-${PR}.${UBOOT_SUFFIX}
ln -sf u-boot-signed-${type}-${PV}-${PR}.${UBOOT_SUFFIX} u-boot-signed-${type}.${UBOOT_SUFFIX}
ln -sf SRK_efuses-${PV}-${PR}.bin SRK_efuses.bin
if [ -n "${TRUSTFENCE_UBOOT_ENCRYPT}" ]
then
# Move the data encryption key in plain text directly to the deployment directory.
# Do not leave any other copies in the machine.
mv ${S}/${config}/dek.bin ${DEPLOYDIR}/dek-${type}.bin
fi
fi
fi
done
unset j

18
meta-digi-dey/classes/trustfence.bbclass
View File

@ -33,4 +33,22 @@ python () {
d.appendVar("UBOOT_EXTRA_CONF", 'CONFIG_CONSOLE_ENABLE_PASSPHRASE=y CONFIG_CONSOLE_ENABLE_PASSPHRASE_KEY=\\"%s\\" ' % passphrase_hash)
elif d.getVar("TRUSTFENCE_CONSOLE_GPIO_ENABLE", True):
d.appendVar("UBOOT_EXTRA_CONF", " CONFIG_CONSOLE_ENABLE_GPIO=y CONFIG_CCIMX6SBC_CONSOLE_ENABLE_GPIO_NR=%s " % d.getVar("TRUSTFENCE_CONSOLE_GPIO_ENABLE"))
# Secure boot configuration
if d.getVar("TRUSTFENCE_CHECK_KERNEL", True):
d.appendVar("UBOOT_EXTRA_CONF", "CONFIG_SECURE_BOOT=y ")
if d.getVar("TRUSTFENCE_UBOOT_SIGN", True):
d.appendVar("UBOOT_EXTRA_CONF", "CONFIG_SIGN_IMAGE=y ")
if d.getVar("TRUSTFENCE_CST_PATH", True):
d.appendVar("UBOOT_EXTRA_CONF", 'CONFIG_CST_PATH=\\"%s\\" ' % d.getVar("TRUSTFENCE_CST_PATH"))
if d.getVar("TRUSTFENCE_CSF_SIZE", True):
d.appendVar("UBOOT_EXTRA_CONF", "CONFIG_CSF_SIZE=%s " % d.getVar("TRUSTFENCE_CSF_SIZE"))
if d.getVar("TRUSTFENCE_KEY_INDEX", True):
d.appendVar("UBOOT_EXTRA_CONF", "CONFIG_KEY_INDEX=%s " % d.getVar("TRUSTFENCE_KEY_INDEX"))
if d.getVar("TRUSTFENCE_UBOOT_ENCRYPT", True):
d.appendVar("UBOOT_EXTRA_CONF", "CONFIG_ENCRYPT_IMAGE=y ")
if d.getVar("TRUSTFENCE_UBOOT_DEK_SIZE", True):
d.appendVar("UBOOT_EXTRA_CONF", "CONFIG_DEK_SIZE=%s " % d.getVar("TRUSTFENCE_UBOOT_DEK_SIZE"))
if d.getVar("TRUSTFENCE_UBOOT_ENV_DEK", True):
d.appendVar("UBOOT_EXTRA_CONF", 'CONFIG_ENV_AES=y CONFIG_ENV_AES_KEY=\\"%s\\"' % d.getVar("TRUSTFENCE_UBOOT_ENV_DEK"))
}