int
explain_application (MifareTag tag, MifareDESFireAID aid, MifareDESFireKey key)
{
char buffer[1024];
if (mifare_desfire_select_application (tag, aid) < 0) {
fprintf (stderr, "mifare_desfire_select_application() failed\n");
return -1;
}
if (mifare_desfire_authenticate (tag, USER_ACCESS_KEYNO, key) < 0) {
freefare_perror (tag, "mifare_desfire_authenticate_des");
return -1;
}
ssize_t len = mifare_desfire_read_data_ex (tag, UCARD_METDATA_FILENO, 0, 0, buffer, USER_ACCESS_COMMUNICATION_MODE);
if (len < 0) {
fprintf (stderr, "mifare_desfire_read_data_ex() failed\n");
return -1;
}
char *p = buffer;
fprintf (stdout, " Application \"%s\" with AID 0x%06x has the following files:\n",
p,
mifare_desfire_aid_get_aid (aid));
p = strchr (p, '\0');
p++;
int file_no = 0;
while (*p) {
fprintf (stdout, " File %2d - %s\n", file_no++, p);
p = strchr (p, '\0');
p++;
if (UCARD_METDATA_FILENO == file_no)
file_no++;
}
return 0;
}
void
test_mifare_desfire_ev1_aes2 (void)
{
int res;
MifareDESFireKey key;
mifare_desfire_auto_authenticate (tag, 0);
// Setup the AES key
key = mifare_desfire_aes_key_new_with_version (key_data_aes, key_data_aes_version);
res = mifare_desfire_change_key (tag, 0x80, key, NULL);
cut_assert_success ("mifare_desfire_change_key");
mifare_desfire_key_free (key);
// Authenticate with the AES key
key = mifare_desfire_aes_key_new_with_version (key_data_aes, key_data_aes_version);
res = mifare_desfire_authenticate_aes (tag, 0, key);
cut_assert_success ("mifare_desfire_authenticate");
mifare_desfire_key_free (key);
res = mifare_desfire_format_picc (tag);
cut_assert_success ("mifare_desfire_format_picc()");
key = mifare_desfire_aes_key_new_with_version (key_data_aes, key_data_aes_version);
res = mifare_desfire_authenticate_aes (tag, 0, key);
cut_assert_success ("mifare_desfire_authenticate");
mifare_desfire_key_free (key);
uint32_t size;
res = mifare_desfire_free_mem (tag, &size);
cut_assert_success ("mifare_desfire_free_mem");
// Do some commands to check CMAC is properly handled
res = mifare_desfire_free_mem (tag, &size);
cut_assert_success ("mifare_desfire_free_mem");
struct mifare_desfire_version_info info;
res = mifare_desfire_get_version (tag, &info);
cut_assert_success ("mifare_desfire_get_version");
res = mifare_desfire_change_key_settings (tag, 0x0F);
cut_assert_success ("mifare_desfire_change_key_settings");
res = mifare_desfire_free_mem (tag, &size);
cut_assert_success ("mifare_desfire_free_mem");
MifareDESFireAID aid = mifare_desfire_aid_new (0x112233);
mifare_desfire_delete_application (tag, aid);
res = mifare_desfire_create_application (tag, aid, 0xff, 0x81);
cut_assert_success ("mifare_desfire_create_application");
res = mifare_desfire_select_application (tag, aid);
cut_assert_success ("mifare_desfire_select_application");
key = mifare_desfire_aes_key_new (key_data_aes);
res = mifare_desfire_authenticate_aes (tag, 0, key);
cut_assert_success ("mifare_desfire_authenticate");
free (key);
key = mifare_desfire_aes_key_new_with_version (key_data_aes, key_data_aes_version);
res = mifare_desfire_change_key (tag, 0x00, key, NULL);
cut_assert_success ("mifare_desfire_change_key");
mifare_desfire_key_free (key);
key = mifare_desfire_aes_key_new (key_data_aes);
res = mifare_desfire_authenticate_aes (tag, 0, key);
cut_assert_success ("mifare_desfire_authenticate");
free (key);
res = mifare_desfire_create_std_data_file (tag, 1, MDCM_MACED, 0x0000, 512);
if ((mifare_desfire_last_picc_error (tag) != DUPLICATE_ERROR) && (mifare_desfire_last_picc_error(tag) != OPERATION_OK))
cut_assert_success ("mifare_desfire_create_std_data_file");
char sample_data[] = "Hello World! I'm a string that is probably too long "
"to feet in a single frame. For this reason, it will be split and like"
"ly, some failure in the algorirthm should trigger an error in this uni"
"t test.";
res = mifare_desfire_write_data_ex (tag, 1, 0, strlen (sample_data), sample_data, MDCM_MACED);
cut_assert_success ("mifare_desfire_write_data");
char buffer[1024];
res = mifare_desfire_read_data_ex (tag, 1, 0, 27, buffer, MDCM_MACED);
cut_assert_success ("mifare_desfire_read_data");
cut_assert_equal_memory (buffer, res, sample_data, 27, cut_message ("AES crypto failed"));
uint8_t s, c;
res = mifare_desfire_get_key_settings (tag, &s, &c);
cut_assert_success ("mifare_desfire_get__key_settings");
res = mifare_desfire_read_data_ex (tag, 1, 27, 27, buffer, MDCM_MACED);
cut_assert_success ("mifare_desfire_read_data");
cut_assert_equal_memory (buffer, res, sample_data + 27, 27, cut_message ("AES crypto failed"));
res = mifare_desfire_read_data_ex (tag, 1, 0, 0, buffer, MDCM_MACED);
cut_assert_success ("mifare_desfire_read_data");
cut_assert_equal_memory (buffer, strlen (buffer), sample_data, strlen (sample_data), cut_message ("AES crypto failed"));
// Revert to the default DES key
res = mifare_desfire_select_application (tag, NULL);
cut_assert_success ("mifare_desfire_select_application");
key = mifare_desfire_aes_key_new_with_version (key_data_aes, key_data_aes_version);
res = mifare_desfire_authenticate_aes (tag, 0, key);
cut_assert_success ("mifare_desfire_authenticate");
mifare_desfire_key_free (key);
key = mifare_desfire_des_key_new (key_data_null);
res = mifare_desfire_change_key (tag, 0x00, key, NULL);
cut_assert_success ("mifare_desfire_change_key");
mifare_desfire_key_free (key);
}
int
main (void)
{
uint8_t issuer_key_data[16];
nfc_connstring nfc_devices[8];
size_t nfc_device_count;
nfc_device_count = nfc_list_devices (NULL, nfc_devices, 8);
for (size_t n = 0; n < nfc_device_count; n++) {
nfc_device *nfc_device = nfc_open (NULL, nfc_devices[n]);
MifareTag *tags = freefare_get_tags (nfc_device);
for (int i = 0; tags[i]; i++) {
MifareTag tag = tags[i];
if (DESFIRE == freefare_get_tag_type (tag)) {
printf ("Fond Mifare DESFire with UID: %s\n", freefare_get_tag_uid (tag));
printf ("Issuer private key: ");
char buffer[BUFSIZ];
system ("stty -echo");
fgets (buffer, BUFSIZ, stdin);
system ("stty echo");
char *p;
if ((p = strchr (buffer, '\n')))
*p = '\0';
ucard_derivate_password (buffer, strlen (buffer), 16, issuer_key_data);
memset (buffer, '\0', strlen (buffer));
MifareDESFireKey key = mifare_desfire_aes_key_new (issuer_key_data);
MifareDESFireAID ucard_info_aid = mifare_desfire_aid_new (UCARD_INFO_AID);
int res = mifare_desfire_connect (tag);
res = mifare_desfire_select_application (tag, ucard_info_aid);
if (res < 0) {
freefare_perror (tag, "mifare_desfire_select_application");
goto end;
}
res = mifare_desfire_authenticate_aes (tag, 1, key);
if (res < 0) {
freefare_perror (tag, "mifare_desfire_authenticate_aes");
goto end;
}
char owner_info[BUFSIZ];
res = mifare_desfire_read_data_ex (tag, 10, 0, 0, owner_info, MDCM_ENCIPHERED);
if (res < 0) {
freefare_perror (tag, "mifare_desfire_read_data");
goto end;
}
owner_info[res] = '\0';
printf ("Owner: %s\n", owner_info);
end:
mifare_desfire_disconnect (tag);
mifare_desfire_key_free (key);
free (ucard_info_aid);
}
}
nfc_close (nfc_device);
}
exit(EXIT_SUCCESS);
}
ssize_t
mifare_desfire_read_data (MifareTag tag, uint8_t file_no, off_t offset, size_t length, void *data)
{
return mifare_desfire_read_data_ex (tag, file_no, offset, length, data, madame_soleil_get_read_communication_settings (tag, file_no));
}
void
test_mifare_desfire_free_read (void)
{
int res;
mifare_desfire_auto_authenticate (tag, 0);
/* Wipeout the card */
res = mifare_desfire_format_picc (tag);
cut_assert_success ("mifare_desfire_format_picc()");
mifare_desfire_auto_authenticate (tag, 0);
MifareDESFireKey key = mifare_desfire_des_key_new_with_version (key_data_null);
res = mifare_desfire_change_key (tag, 0, key, NULL);
cut_assert_success ("mifare_desfire_change_key()");
res = mifare_desfire_authenticate (tag, 0, key);
cut_assert_success ("mifare_desfire_authenticate()");
MifareDESFireAID aid = mifare_desfire_aid_new (0x00123456);
res = mifare_desfire_create_application (tag, aid, 0xFF, 2);
cut_assert_success ("mifare_desfire_create_application()");
res = mifare_desfire_select_application (tag, aid);
cut_assert_success ("mifare_desfire_select_application");
free (aid);
res = mifare_desfire_authenticate (tag, 0, key);
cut_assert_success ("mifare_desfire_authenticate()");
res = mifare_desfire_create_std_data_file (tag, 1, MDCM_MACED, 0x0000, 20);
cut_assert_success ("mifare_desfire_create_std_data_file()");
char *s= "Hello World";
res = mifare_desfire_write_data (tag, 1, 0, strlen (s), s);
cut_assert_success ("mifare_desfire_write_data()");
res = mifare_desfire_change_file_settings (tag, 1, MDCM_ENCIPHERED, 0xEFFF);
cut_assert_success ("mifare_desfire_change_file_settings");
char buffer[20];
res = mifare_desfire_read_data (tag, 1, 0, 0, buffer);
cut_assert_equal_int (sizeof (buffer), res, cut_message ("Data with free access should be read in PLAIN mode only."));
cut_assert_equal_int (OPERATION_OK, mifare_desfire_last_pcd_error (tag), cut_message ("Wrong PCD error"));
res = mifare_desfire_read_data_ex (tag, 1, 0, 0, buffer, MDCM_MACED);
cut_assert_equal_int (-1, res, cut_message ("Data with free access should be read in PLAIN mode only."));
cut_assert_equal_int (CRYPTO_ERROR, mifare_desfire_last_pcd_error (tag), cut_message ("Wrong PCD error"));
res = mifare_desfire_read_data_ex (tag, 1, 0, 0, buffer, MDCM_ENCIPHERED);
cut_assert_equal_int (-1, res, cut_message ("Data with free access should be read in PLAIN mode only."));
cut_assert_equal_int (CRYPTO_ERROR, mifare_desfire_last_pcd_error (tag), cut_message ("Wrong PCD error"));
/* Wipeout the card */
mifare_desfire_select_application (tag, NULL);
cut_assert_equal_int (OPERATION_OK, mifare_desfire_last_pcd_error (tag), cut_message ("Wrong PCD error"));
res = mifare_desfire_authenticate (tag, 0, key);
res = mifare_desfire_format_picc (tag);
cut_assert_success ("mifare_desfire_format_picc()");
mifare_desfire_key_free (key);
}