Add signing (#264)

* Add key maker tool

* Add signing key

* worklfoe sos it builds

---------

Co-authored-by: ineskhou <ineskhouider03@gmail.com>

Author: LeStarch

.github/workflows/ci.yaml

@@ -74,6 +74,8 @@ jobs:
 
       - name: Generate
         run: |
+          mkdir -p ./keys
+          cp lib/zephyr-workspace/bootloader/mcuboot/root-rsa-2048.pem ./keys/proves.pem
           make generate
 
       - name: Set Authentication Key

prj.conf

@@ -69,7 +69,7 @@ CONFIG_FAT_FILESYSTEM_ELM=y
 CONFIG_FS_FATFS_EXFAT=y
 CONFIG_FS_FATFS_MOUNT_MKFS=y
 CONFIG_FS_FATFS_FSTAB_AUTOMOUNT=y
-CONFIG_MCUBOOT_SIGNATURE_KEY_FILE="lib/zephyr-workspace/bootloader/mcuboot/root-rsa-2048.pem"
+CONFIG_MCUBOOT_SIGNATURE_KEY_FILE="keys/proves.pem"
 
 CONFIG_HAPTICS=y
 CONFIG_HAPTICS_DRV2605=y

tools/bin/key-maker

@@ -0,0 +1,7 @@
+#!/bin/bash
+ROOT="$(cd $(dirname $BASH_SOURCE)/../..; pwd)"
+
+mkdir -p "${ROOT}/keys"
+
+imgtool keygen -k "${ROOT}/keys/proves.pem" -t rsa-2048
+imgtool getpub -k "${ROOT}/keys/proves.pem" > "${ROOT}/keys/proves.pub.pem"