Fix secure boot enable.

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>

CMakeLists.txt

@@ -115,7 +115,7 @@ set(SOURCES ${SOURCES}
         )
 endif()
 
-SET_VERSION(ver_major ver_minor "${CMAKE_CURRENT_LIST_DIR}/src/fido/version.h" 2)
+SET_VERSION(ver_major ver_minor "${CMAKE_CURRENT_LIST_DIR}/src/fido/version.h" 3)
 if(ESP_PLATFORM)
     project(pico_fido)
 endif()

build_pico_fido.sh

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

src/fido/kek.c

@@ -36,19 +36,6 @@ extern uint8_t session_pin[32];
 uint8_t mkek_mask[MKEK_KEY_SIZE];
 bool has_mkek_mask = false;
 
-#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/fido/version.h

@@ -18,7 +18,7 @@
 #ifndef __VERSION_H_
 #define __VERSION_H_
 
-#define PICO_FIDO_VERSION 0x0702
+#define PICO_FIDO_VERSION 0x0704
 
 #define PICO_FIDO_VERSION_MAJOR ((PICO_FIDO_VERSION >> 8) & 0xff)
 #define PICO_FIDO_VERSION_MINOR (PICO_FIDO_VERSION & 0xff)