Revert "Revert "poky: subtree update:b23aa6b753..ad30a6d470""
This reverts commit 4873add6e11c1bd421c83cd08df589f1184aa673.
A fix has been put up for openbmc/openbmc#3720 so we can bring
this back now
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
Change-Id: If59020a5b502f70aa7149fbef4ad2f50824d1ce6
diff --git a/poky/meta/classes/kernel-fitimage.bbclass b/poky/meta/classes/kernel-fitimage.bbclass
index fa4ea6f..bb2f3c4 100644
--- a/poky/meta/classes/kernel-fitimage.bbclass
+++ b/poky/meta/classes/kernel-fitimage.bbclass
@@ -56,6 +56,22 @@
# fitImage Signature Algo
FIT_SIGN_ALG ?= "rsa2048"
+# Generate keys for signing fitImage
+FIT_GENERATE_KEYS ?= "0"
+
+# Size of private key in number of bits
+FIT_SIGN_NUMBITS ?= "2048"
+
+# args to openssl genrsa (Default is just the public exponent)
+FIT_KEY_GENRSA_ARGS ?= "-F4"
+
+# args to openssl req (Default is -batch for non interactive mode and
+# -new for new certificate)
+FIT_KEY_REQ_ARGS ?= "-batch -new"
+
+# Standard format for public key certificate
+FIT_KEY_SIGN_PKCS ?= "-x509"
+
#
# Emit the fitImage ITS header
#
@@ -522,6 +538,34 @@
addtask assemble_fitimage_initramfs before do_deploy after do_bundle_initramfs
+do_generate_rsa_keys() {
+ if [ "${UBOOT_SIGN_ENABLE}" = "0" ] && [ "${FIT_GENERATE_KEYS}" = "1" ]; then
+ bbwarn "FIT_GENERATE_KEYS is set to 1 eventhough UBOOT_SIGN_ENABLE is set to 0. The keys will not be generated as they won't be used."
+ fi
+
+ if [ "${UBOOT_SIGN_ENABLE}" = "1" ] && [ "${FIT_GENERATE_KEYS}" = "1" ]; then
+
+ # Generate keys only if they don't already exist
+ if [ ! -f "${UBOOT_SIGN_KEYDIR}/${UBOOT_SIGN_KEYNAME}".key ] || \
+ [ ! -f "${UBOOT_SIGN_KEYDIR}/${UBOOT_SIGN_KEYNAME}".crt]; then
+
+ # make directory if it does not already exist
+ mkdir -p "${UBOOT_SIGN_KEYDIR}"
+
+ echo "Generating RSA private key for signing fitImage"
+ openssl genrsa ${FIT_KEY_GENRSA_ARGS} -out \
+ "${UBOOT_SIGN_KEYDIR}/${UBOOT_SIGN_KEYNAME}".key \
+ "${FIT_SIGN_NUMBITS}"
+
+ echo "Generating certificate for signing fitImage"
+ openssl req ${FIT_KEY_REQ_ARGS} "${FIT_KEY_SIGN_PKCS}" \
+ -key "${UBOOT_SIGN_KEYDIR}/${UBOOT_SIGN_KEYNAME}".key \
+ -out "${UBOOT_SIGN_KEYDIR}/${UBOOT_SIGN_KEYNAME}".crt
+ fi
+ fi
+}
+
+addtask generate_rsa_keys before do_assemble_fitimage after do_compile
kernel_do_deploy[vardepsexclude] = "DATETIME"
kernel_do_deploy_append() {