atecc-init.c

#include "atecc-init.h"

#include "util.h"
#include "helpers.h"

struct atecc_type {
    ATCADeviceType type;
    const char *name;
};

static int atecc_print_serial(FILE *output)
{
    ATCA_STATUS status;
    uint8_t sn[9];

    ATECC_RETRY(status, atcab_read_serial_number(sn));
    if(status != ATCA_SUCCESS) {
        printf("Command atcab_read_serial_number is failed with status %x\n", status);
        return 2;
    }

    fprintf(output, "%02x%02x%02x%02x%02x%02x%02x%02x%02x\n", sn[0], sn[1], sn[2], sn[3], sn[4], sn[5], sn[6], sn[7], sn[8]);

    return 0;
}

ATCA_STATUS atecc_init(ATCAIfaceCfg *cfg)
{
    ATCA_STATUS status;

    ATECC_RETRY(status, atcab_init(cfg));
    if(status != ATCA_SUCCESS) {
        eprintf("Command atcab_init is failed with status %x\n", status);
        return status;
    }

    return status;
}

int do_atecc_print_serial(int argc, char **argv)
{
    (void) argc;
    (void) argv;

    return atecc_print_serial(stdout);
}

int do_atecc_print_info(int argc, char **argv)
{
    (void) argc;
    (void) argv;
    ATCA_STATUS status;
    uint8_t revision[4];
    const struct atecc_type types[] = 
        { { ATSHA204A, "ATSHA204A" }, 
          { ATECC108A, "ATECC108A" },
          { ATECC508A, "ATECC508A" },
          { ATECC608A, "ATECC608A" } };

    ATECC_RETRY(status, atcab_info(revision));
    if(status != ATCA_SUCCESS) {
        eprintf("Command atcab_info is failed with status %x\n", status);
        return 2;
    }

    ATCADeviceType dt = atcab_device_type(revision);
    const char* name = "unknown CryptoAuth device";
    for ( size_t i=0; i < sizeof(types)/sizeof(struct atecc_type); ++i) {
        if (types[i].type == dt) {
            name = types[i].name;
            break;
        }
    }

    printf("Found %s \n", name);

    return 0;
}