taitools/iccard/nesica.c

#include <assert.h>
#include <stddef.h>
#include <stdint.h>

#include "iccard/nesica.h"
#include "iccard/mifare.h"

#include "util/dprintf.h"

HRESULT aime_card_populate(
        struct mifare *mifare,
        const uint8_t *card_sn,
        size_t nbytes)
{
    uint8_t b;
    size_t i;

    assert(mifare != NULL);
    assert(card_sn != NULL);

    memset(mifare, 0, sizeof(*mifare));

    if (nbytes != 16) {
        dprintf("Nesica IC: Card Serial must be 16 characters\n");

        return E_INVALIDARG;
    }

    for (int i = 0; i < 16; i++) {
        mifare->sectors[0].blocks[0].bytes[i] = i;
    }

    memset(mifare->sectors[0].blocks[2].bytes, 0xff, 16);
    memset(mifare->sectors[0].blocks[3].bytes, 0xff, 16);

    mifare->sectors[0].blocks[0].bytes[14] = 'T';
    mifare->sectors[0].blocks[0].bytes[15] = 'U';

    memcpy_s(mifare->sectors[0].blocks[1].bytes, 4, (uint8_t *)"T053", 4);
    memcpy_s(mifare->sectors[0].blocks[1].bytes + 4, 12, card_sn, 12);
    memcpy_s(mifare->sectors[0].blocks[2].bytes, 16, card_sn + 12, 4);

    return S_OK;
}