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sys/shell: add atca write config

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This commit is contained in:
Lena Boeckmann 2024-05-31 16:45:57 +02:00
parent b9ec5ad60f
commit 1c062d8d6a
1 changed files with 72 additions and 6 deletions
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78
sys/shell/cmds/cryptoauthlib.c
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@ -13,6 +13,15 @@
* @file
* @brief Shell commands for the cryptoauthlib module
*
* Currently supported devices:
* - ATECC508A
* - ATECC608
*
* This relies on a config header file being present in
* pkg/cryptoauthlib/include.
* The present example configuration can be exchanged or
* modified if needed.
*
* @author Lena Boeckmann <lena.boeckmann@haw-hamburg.de>
*
* @}
@ -26,6 +35,8 @@
#include "cryptoauthlib.h"
#include "shell.h"
#include "atecc608a_config.h"
#define ATCA_CONFIG_READ_ONLY_BYTES (15)
#define ATCA_KEY_SLOT_COUNT (15)
#define ATCA_X509_KEY_COUNT (4)
@ -57,6 +68,8 @@
#define X509_FORMAT_START (92)
#define KEY_CONFIG_START (96)
uint8_t config_backup[ATCA_NUMOF][ATCA_ECC_CONFIG_SIZE];
int device_index = 0;
/**
@ -286,8 +299,8 @@ static void _print_slot_config(uint8_t* data)
puts("SlotID | Hex | Binary");
puts(" | | 7 0 | 15 8");
puts("--------+--------+----------------------");
int slotcount = 0;
for (size_t i = 0; i < ATCA_KEY_SLOT_COUNT*2; i += 2) {
static int slotcount = 0;
if (slotcount < 10) {
printf("%d | 0x%02x%02x | ", slotcount, data[SLOT_CONFIG_START+i], data[SLOT_CONFIG_START+i+1]);
}
@ -419,8 +432,8 @@ static void _print_key_config(uint8_t* data)
puts("SlotID | Hex | Binary");
puts(" | | 7 0 | 15 8");
puts("--------+--------+----------------------");
int slotcount = 0;
for (size_t i = 0; i < atca_key_config_bytes; i += 2) {
static int slotcount = 0;
if (slotcount < 10) {
printf("%d | 0x%02x%02x | ", slotcount, data[KEY_CONFIG_START+i], data[KEY_CONFIG_START+i+1]);
}
@ -800,18 +813,68 @@ static int _set_dev(char* id)
return 0;
}
static int _show_dev(void)
{
puts("Set | ID | DevType | I2C Addr");
puts("----|----|-----------|---------");
for (size_t i = 0; i < ATCA_NUMOF; i++) {
char dev_set = ((size_t)device_index == i ? '*' : ' ');
ATCADeviceType devtype = atca_devs_ptr[i]->mIface.mIfaceCFG->devtype;
printf("%c | %d | %s | 0x%02x\n",
dev_set,
i,
_convert_atca_devtype(devtype),
atca_devs_ptr[i]->mIface.mIfaceCFG->atcai2c.address);
}
return 0;
}
static int _write_config(ATCADevice dev)
{
ATCA_STATUS status = calib_read_config_zone(dev, config_backup[device_index]);
if (status != ATCA_SUCCESS) {
printf("Error reading config zone\n");
return 1;
}
status = calib_write_config_zone(dev, atecc608a_config);
if (status != ATCA_SUCCESS) {
printf("Writing config zone failed: 0x%02x\n", status);
return 1;
}
return 0;
}
static int _restore_config(ATCADevice dev)
{
ATCA_STATUS status = calib_write_config_zone(dev, config_backup[device_index]);
if (status != ATCA_SUCCESS) {
printf("Restoring config zone failed: 0x%02x\n", status);
return 1;
}
return 0;
}
static int _atca(int argc, char **argv)
{
if (argc > 1) {
if ((strcmp(argv[1], "set_dev") == 0)) {
if ((strcmp(argv[1], "show_dev") == 0)) {
return _show_dev();
}
else if ((strcmp(argv[1], "set_dev") == 0)) {
if (argc < 3) {
puts("Please enter valid device index number");
return 1;
}
return _set_dev(argv[2]);
}
if ((strcmp(argv[1], "read") == 0)) {
else if ((strcmp(argv[1], "write") == 0)) {
return _write_config(atca_devs_ptr[device_index]);
}
else if ((strcmp(argv[1], "restore") == 0)) {
return _restore_config(atca_devs_ptr[device_index]);
}
else if ((strcmp(argv[1], "read") == 0)) {
return _read_config(atca_devs_ptr[device_index]);
}
else if ((strcmp(argv[1], "read_bin") == 0)) {
@ -831,7 +894,10 @@ static int _atca(int argc, char **argv)
}
}
else {
printf("* set_dev <number> - set and initialize an atca device (defaults to index 0)\n");
printf("* show_dev - list available devices and IDs\n");
printf("* set_dev <number> - set and initialize an atca device (defaults to ID 0)\n");
printf("* write - write configuration to config zone (stores backup of current config)\n");
printf("* restore - restore device config zone to previous state\n");
printf("* read - read Microchip CryptoAuth device's config zone\n");
printf("* read_bin - read config zone and print binary data\n");
printf("* lock_c - PERMANENTLY lock Microchip CryptoAuth device's config zone (cannot be undone!)\n");