Correctly initialize and update git submodules for IDF in autobuild.sh

Fixing autobuild script so ESP32 binaries now built correctly

CMakeLists.txt

@@ -83,7 +83,7 @@ set(SOURCES ${SOURCES}
     ${CMAKE_CURRENT_LIST_DIR}/src/hsm/kek.c
 )
 
-SET_VERSION(ver_major ver_minor "${CMAKE_CURRENT_LIST_DIR}/src/hsm/version.h" 3)
+SET_VERSION(ver_major ver_minor "${CMAKE_CURRENT_LIST_DIR}/src/hsm/version.h" 2)
 
 if(ESP_PLATFORM)
     project(pico_hsm)

build_pico_hsm.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 
 VERSION_MAJOR="6"
-VERSION_MINOR="4"
+VERSION_MINOR="2"
 SUFFIX="${VERSION_MAJOR}.${VERSION_MINOR}"
 #if ! [[ -z "${GITHUB_SHA}" ]]; then
 #    SUFFIX="${SUFFIX}.${GITHUB_SHA}"

sdkconfig.defaults

@@ -9,7 +9,6 @@ CONFIG_TINYUSB_TASK_STACK_SIZE=16384
 CONFIG_PARTITION_TABLE_CUSTOM=y
 CONFIG_PARTITION_TABLE_CUSTOM_FILENAME="pico-keys-sdk/config/esp32/partitions.csv"
 CONFIG_PARTITION_TABLE_FILENAME="pico-keys-sdk/config/esp32/partitions.csv"
-CONFIG_PARTITION_TABLE_OFFSET=0x10000
 CONFIG_ESPTOOLPY_FLASHSIZE_4MB=y
 CONFIG_ESPTOOLPY_FLASHMODE_QIO=y
 CONFIG_ESP_DEFAULT_CPU_FREQ_MHZ_240=y

src/hsm/kek.c

@@ -37,6 +37,19 @@ uint8_t mkek_mask[MKEK_KEY_SIZE];
 bool has_mkek_mask = false;
 uint8_t pending_save_dkek = 0xff;
 
+#define POLY 0xedb88320
+
+uint32_t crc32c(const uint8_t *buf, size_t len) {
+    uint32_t crc = 0xffffffff;
+    while (len--) {
+        crc ^= *buf++;
+        for (int k = 0; k < 8; k++) {
+            crc = (crc >> 1) ^ (POLY & (0 - (crc & 1)));
+        }
+    }
+    return ~crc;
+}
+
 void mkek_masked(uint8_t *mkek, const uint8_t *mask) {
     if (mask) {
         for (int i = 0; i < MKEK_KEY_SIZE; i++) {

src/hsm/version.h

@@ -18,7 +18,7 @@
 #ifndef __VERSION_H_
 #define __VERSION_H_
 
-#define HSM_VERSION 0x0604
+#define HSM_VERSION 0x0602
 
 #define HSM_VERSION_MAJOR ((HSM_VERSION >> 8) & 0xff)
 #define HSM_VERSION_MINOR (HSM_VERSION & 0xff)

workflows/autobuild.sh

@@ -29,6 +29,7 @@ sudo apt install -y git wget flex bison gperf python3 python3-pip python3-venv c
 git clone --recursive https://github.com/espressif/esp-idf.git
 cd esp-idf
 git checkout tags/v5.5
+git submodule update --init --recursive
 ./install.sh esp32s3
 . ./export.sh
 cd ..