Esempi in C++ (Cpp) per mifare_desfire_read_records_ex

Esempio n. 1

File: ucard-explain.c Progetto: raidolepp/libfreefare

int
explain_tag (MifareTag tag)
{
    bool aborting = false;

    mifare_desfire_connect (tag);

    MifareDESFireAID ucard_info_aid = mifare_desfire_aid_new (UCARD_INFO_AID);
    if (mifare_desfire_select_application (tag, ucard_info_aid) < 0) {
        freefare_perror (tag, "mifare_desfire_select_application");
        return -1;
    }
    free (ucard_info_aid);

    MifareDESFireKey key = mifare_desfire_aes_key_new (admin_key_data);
    if (mifare_desfire_authenticate_aes (tag, 0, key) < 0) {
        freefare_perror (tag, "mifare_desfire_authenticate_aes");
        return -1;
    }

    uint8_t records[(3+16)*32];
    int records_length;
    records_length = mifare_desfire_read_records_ex (tag, USER_KEYRING_FILENO, 0, 0, records, USER_KEYRING_COMMUNICATION_MODE);
    if (records_length < 0) {
        if (BOUNDARY_ERROR == mifare_desfire_last_picc_error (tag)) {
            warnx ("Card is empty");
            return 0;
        }
        freefare_perror (tag, "mifare_desfire_read_records_ex");
        return -1;
    }

    for (int i = 0; (!aborting) && (i < records_length); i += (3+16)) {
        uint32_t raw_aid = records[i] << 16 | records[i+1] << 8 | records[i+2];

        MifareDESFireAID aid = mifare_desfire_aid_new (raw_aid);
        MifareDESFireKey key = mifare_desfire_des_key_new (records + i + 3);

        if (explain_application (tag, aid, key) < 0)
            aborting = true;

        mifare_desfire_key_free (key);
        free (aid);
    }

    mifare_desfire_disconnect (tag);

    return (aborting) ? -1 : 0;
}

Esempio n. 2

File: mifare_desfire.c Progetto: jrayner/bv_embedded

ssize_t
mifare_desfire_read_records (MifareTag tag, uint8_t file_no, off_t offset, size_t length, void *data)
{
    return mifare_desfire_read_records_ex (tag, file_no, offset, length, data, madame_soleil_get_read_communication_settings (tag, file_no));
}