libfreefare/test/test_mifare_desfire.c

#include <cutter.h>
#include <errno.h>
#include <string.h>
#include <strings.h>

#include <freefare.h>
#include "freefare_internal.h"

#include "mifare_desfire_fixture.h"
#include "common/mifare_desfire_auto_authenticate.h"

#define cut_assert_success(last_command) \
    do { \
        cut_assert_equal_int (OPERATION_OK, mifare_desfire_last_picc_error (tag), cut_message ("PICC replied %s", mifare_desfire_error_lookup (mifare_desfire_last_picc_error (tag)))); \
        cut_assert_not_equal_int (-1, res, cut_message ("Wrong return value")); \
    } while (0)

void
test_mifare_desfire(void)
{
    int res;

    /* Select the master application */
    res = mifare_desfire_select_application(tag, NULL);
    cut_assert_success("mifare_desfire_select_application()");

    /* Get version information */
    struct mifare_desfire_version_info version_info;
    res = mifare_desfire_get_version(tag, &version_info);
    cut_assert_success("mifare_desfire_get_version()");

    mifare_desfire_auto_authenticate(tag, 0);

    /*
     * This unit test change key settings to more restrictive ones, so reset
     * them to factory defaults in case the previous run failed unexpectedly.
     */
    res = mifare_desfire_change_key_settings(tag, 0xF);
    cut_assert_success("mifare_desfire_change_key_settings()");

    /* Change master key to DES */
    MifareDESFireKey key = mifare_desfire_des_key_new_with_version(key_data_des);
    mifare_desfire_change_key(tag, 0, key, NULL);
    cut_assert_success("mifare_desfire_change_key()");

    uint8_t key_version;
    res = mifare_desfire_get_key_version(tag, 0, &key_version);
    cut_assert_success("mifare_desfire_get_key_version()");
    cut_assert_equal_int(0xAA, key_version, cut_message("Wrong key_version value."));

    res = mifare_desfire_authenticate(tag, 0, key);
    cut_assert_success("mifare_desfire_authenticate()");
    mifare_desfire_key_free(key);

    /* Change master key to 3DES */
    key = mifare_desfire_3des_key_new_with_version(key_data_3des);
    mifare_desfire_change_key(tag, 0, key, NULL);
    cut_assert_success("mifare_desfire_change_key()");

    res = mifare_desfire_get_key_version(tag, 0, &key_version);
    cut_assert_success("mifare_desfire_get_key_version()");
    cut_assert_equal_int(0xC7, key_version, cut_message("Wrong key_version value."));

    res = mifare_desfire_authenticate(tag, 0, key);
    cut_assert_success("mifare_desfire_authenticate()");

    mifare_desfire_key_free(key);

    /* Wipeout the card */
    res = mifare_desfire_format_picc(tag);
    cut_assert_success("mifare_desfire_format_picc()");


    /* Create 3 applications */
    res = mifare_desfire_select_application(tag, NULL);
    cut_assert_success("mifare_desfire_select_application()");

    MifareDESFireAID aid_a = mifare_desfire_aid_new(0x00AAAAAA);
    cut_assert_not_null(aid_a, cut_message("Cannot allocate AID"));
    res = mifare_desfire_create_application(tag, aid_a, 0xFF, 0);
    cut_assert_success("mifare_desfire_create_application()");

    MifareDESFireAID aid_b = mifare_desfire_aid_new(0x00BBBBBB);
    cut_assert_not_null(aid_b, cut_message("Cannot allocate AID"));
    res = mifare_desfire_create_application(tag, aid_b, 0xEF, 6);
    cut_assert_success("mifare_desfire_create_application()");

    MifareDESFireAID aid_c = mifare_desfire_aid_new(0x00CCCCCC);
    cut_assert_not_null(aid_c, cut_message("Cannot allocate AID"));
    res = mifare_desfire_create_application(tag, aid_c, 0xC2, 14);
    cut_assert_success("mifare_desfire_create_application()");

    // Ensure we can find the created applications
    MifareDESFireAID *aids = NULL;
    size_t aid_count;
    res = mifare_desfire_get_application_ids(tag, &aids, &aid_count);
    cut_assert_success("mifare_desfire_get_application_ids()");
    cut_assert_equal_int(3, aid_count, cut_message("Wrong application count"));
    mifare_desfire_free_application_ids(aids);

    // Create files in the application A
    res = mifare_desfire_select_application(tag, aid_a);
    cut_assert_success("mifare_desfire_select_application()");

    uint8_t std_data_file_id = 15;

    res = mifare_desfire_create_std_data_file(tag, std_data_file_id, MDCM_PLAIN, 0xEEEE, 100);
    cut_assert_success("mifare_desfire_create_std_data_file()");

    res = mifare_desfire_create_backup_data_file(tag, 5, MDCM_PLAIN, 0xEEEE, 64);
    cut_assert_success("mifare_desfire_create_backup_data_file()");

    res = mifare_desfire_create_value_file(tag, 4, MDCM_PLAIN, 0xEEEE, 0, 1000, 0, 0);
    cut_assert_success("mifare_desfire_create_value_file()");

    res = mifare_desfire_create_cyclic_record_file(tag, 0, MDCM_PLAIN, 0xEEEE, 4, 10);
    cut_assert_success("mifare_desfire_create_cyclic_record_file()");

    // Write some data in the standard data file
    res = mifare_desfire_write_data(tag, std_data_file_id, 0, 30, (uint8_t *)"Some data to write to the card");
    cut_assert_success("mifare_desfire_write_data()");
    cut_assert_equal_int(30, res, cut_message("Wrong number of bytes writen"));

    res = mifare_desfire_write_data(tag, std_data_file_id, 34, 22, (uint8_t *)"Another block of data.");
    cut_assert_success("mifare_desfire_write_data()");
    cut_assert_equal_int(22, res, cut_message("Wrong number of bytes writen"));

    // Make the file read-only
    res = mifare_desfire_change_file_settings(tag, std_data_file_id, MDCM_PLAIN, 0xEFFF);
    cut_assert_success("mifare_desfire_change_file_settings()");

    // Read a part of the file
    uint8_t buffer[120];
    res = mifare_desfire_read_data(tag, std_data_file_id, 10, 50, &buffer);
    cut_assert_success("mifare_desfire_read_data()");
    cut_assert_equal_int(50, res, cut_message("Wrong number of bytes read"));
    cut_assert_equal_memory("to write to the card\0\0\0\0Another block of data.\0\0\0\0", 50, buffer, 50, cut_message("Wrong data"));

    // Read all the file at once
    res = mifare_desfire_read_data(tag, std_data_file_id, 0, 0, &buffer);
    cut_assert_success("mifare_desfire_read_data()");
    cut_assert_equal_int(100, res, cut_message("Wrong number of bytes read"));
    cut_assert_equal_memory("Some data to write to the"
			    " card\0\0\0\0Another block of"
			    " data.\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
			    "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", 100, buffer, 100, cut_message("Wrong data"));

    // Try to overwrute the file
    res = mifare_desfire_write_data(tag, std_data_file_id, 20, 5, (char *)"Test!");
    cut_assert_equal_int(-1, res, cut_message("Wrong return value"));
    cut_assert_equal_int(PERMISSION_ERROR, mifare_desfire_last_picc_error(tag), cut_message("Wrong PICC error"));

    int32_t expected_value = 0;
    for (int transaction = 0; transaction < 15; transaction++) {

	char data_buffer[3];

	sprintf(data_buffer, "%02d", transaction);

	// Write to the backup file
	res = mifare_desfire_write_data(tag, 5, 3 * transaction, 3, data_buffer);
	cut_assert_success("mifare_desfire_write_data()");

	// Manipulate the value file
	res = mifare_desfire_credit(tag, 4, 100);
	cut_assert_success("mifare_desfire_credit()");

	res = mifare_desfire_debit(tag, 4, 97);
	cut_assert_success("mifare_desfire_debit()");

	// Write to the cyclic record file
	res = mifare_desfire_write_record(tag, 0, 2, 2, data_buffer);
	cut_assert_success("mifare_desfire_write_record()");

	// Overwrite the cyclic record file
	res = mifare_desfire_write_record(tag, 0, 0, 2, (char *)"r.");
	cut_assert_success("mifare_desfire_write_record()");

	// Ensure that no content was changed yet
	char ref_buffer[64];
	memset(ref_buffer, 0, sizeof(ref_buffer));
	for (int n = 0; n < transaction; n++) {
	    sprintf(ref_buffer + 3 * n, "%02d", n);
	}

	res = mifare_desfire_read_data(tag, 5, 0, 0, buffer);
	cut_assert_success("mifare_desfire_read_data()");
	cut_assert_equal_int(64, res, cut_message("Wrong number of bytes read"));
	cut_assert_equal_memory(buffer, 64, ref_buffer, 64, cut_message("Wrong data"));

	int32_t value;
	res = mifare_desfire_get_value(tag, 4, &value);
	cut_assert_success("mifare_desfire_get_value()");
	cut_assert_equal_int(expected_value, value, cut_message("Wrong value"));

	// Reading records from an empty file would abort the transaction
	if (0 != transaction) {
	    // Get the latest record
	    res = mifare_desfire_read_records(tag, 0, 0, 1, buffer);
	    cut_assert_success("mifare_desfire_read_records()");
	    sprintf(ref_buffer, "r.%02d", transaction);
	    cut_assert_not_equal_memory(ref_buffer, 4, buffer, res, cut_message("Wrong data"));
	}

	// Commit !
	res = mifare_desfire_commit_transaction(tag);
	cut_assert_success("mifare_desfire_commit_transaction()");


	res = mifare_desfire_read_data(tag, 5, 3 * transaction, 3, buffer);
	cut_assert_success("mifare_desfire_read_data()");
	cut_assert_equal_memory(data_buffer, 3, buffer, res, cut_message("Wrong data"));

	expected_value += 3;

	res = mifare_desfire_get_value(tag, 4, &value);
	cut_assert_success("mifare_desfire_get_value()");
	cut_assert_equal_int(expected_value, value, cut_message("Wrong value"));

	res = mifare_desfire_read_records(tag, 0, 0, 1, buffer);
	cut_assert_success("mifare_desfire_read_records()");
	sprintf(ref_buffer, "r.%02d", transaction);
	cut_assert_equal_memory(ref_buffer, 4, buffer, res, cut_message("Wrong data"));
    }

    // Ensure limited credit is disabled
    res = mifare_desfire_limited_credit(tag, 4, 20);
    cut_assert_equal_int(-1, res, cut_message("mifare_desfire_limited_credit() should fail"));

    // Get all files
    uint8_t *files;
    size_t file_count;
    res = mifare_desfire_get_file_ids(tag, &files, &file_count);
    cut_assert_success("mifare_desfire_get_file_ids()");
    cut_assert_equal_int(4, file_count, cut_message("Wrong number of files"));

    for (size_t i = 0; i < file_count; i++) {
	if ((files[i] != 0) && (files[i] != 4) &&
	    (files[i] != 5) && (files[i] != 15)) {
	    cut_fail("File %d should not exist.", files[i]);
	}

	struct mifare_desfire_file_settings settings;
	res = mifare_desfire_get_file_settings(tag, files[i], &settings);
	cut_assert_success("mifare_desfire_get_file_settings()");

	switch (files[i]) {
	case 0:
	    cut_assert_equal_int(MDFT_CYCLIC_RECORD_FILE_WITH_BACKUP, settings.file_type, cut_message("Wrong file type"));
	    cut_assert_equal_int(MDCM_PLAIN, settings.communication_settings, cut_message("Wrong communication settings"));
	    cut_assert_equal_int(4, settings.settings.linear_record_file.record_size, cut_message("Wrong record size"));
	    cut_assert_equal_int(10, settings.settings.linear_record_file.max_number_of_records, cut_message("Wrong max number of records"));
	    cut_assert_equal_int(9, settings.settings.linear_record_file.current_number_of_records, cut_message("Wrong current number of records"));
	    break;
	case 4:
	    cut_assert_equal_int(MDFT_VALUE_FILE_WITH_BACKUP, settings.file_type, cut_message("Wrong file type"));
	    cut_assert_equal_int(MDCM_PLAIN, settings.communication_settings, cut_message("Wrong communication settings"));

	    cut_assert_equal_int(0, settings.settings.value_file.lower_limit, cut_message("Wrong lower limit"));
	    cut_assert_equal_int(1000, settings.settings.value_file.upper_limit, cut_message("Wrong upper limit"));
	    cut_assert_equal_int(97, settings.settings.value_file.limited_credit_value, cut_message("Wrong limited_credit value"));
	    cut_assert_equal_int(0, settings.settings.value_file.limited_credit_enabled, cut_message("Wrong limited_credit enable state"));
	    break;
	case 5:
	    cut_assert_equal_int(MDFT_BACKUP_DATA_FILE, settings.file_type, cut_message("Wrong file type"));
	    cut_assert_equal_int(MDCM_PLAIN, settings.communication_settings, cut_message("Wrong communication settings"));
	    cut_assert_equal_int(64, settings.settings.standard_file.file_size, cut_message("Wrong file size"));
	    break;
	case 15:
	    cut_assert_equal_int(MDFT_STANDARD_DATA_FILE, settings.file_type, cut_message("Wrong file type"));
	    cut_assert_equal_int(MDCM_PLAIN, settings.communication_settings, cut_message("Wrong communication settings"));
	    cut_assert_equal_int(100, settings.settings.standard_file.file_size, cut_message("Wrong file size"));
	    break;
	default:
	    cut_fail("Wow!  Cosmic ray!");
	}

	res = mifare_desfire_delete_file(tag, files[i]);
	cut_assert_success("mifare_desfire_delete_file()");
    }

    free(files);

    // All files should have been removed
    res = mifare_desfire_get_file_ids(tag, &files, &file_count);
    cut_assert_success("mifare_desfire_get_file_ids()");
    cut_assert_equal_int(0, file_count, cut_message("Wrong number of files"));

    // Delete application A
    res = mifare_desfire_select_application(tag, 0);
    cut_assert_success("mifare_desfire_select_application()");

    key = mifare_desfire_3des_key_new_with_version(key_data_3des);
    res = mifare_desfire_authenticate(tag, 0, key);
    cut_assert_success("mifare_desfire_authenticate()");
    mifare_desfire_key_free(key);

    res = mifare_desfire_delete_application(tag, aid_a);
    cut_assert_success("mifare_desfire_delete_application()");

    // Ensure application A was deleted
    res = mifare_desfire_get_application_ids(tag, &aids, &aid_count);
    cut_assert_success("mifare_desfire_get_application_ids()");
    cut_assert_equal_int(2, aid_count, cut_message("Wrong application count"));
    mifare_desfire_free_application_ids(aids);

    // Change application B keys
    res = mifare_desfire_select_application(tag, aid_b);
    cut_assert_success("mifare_desfire_select_application()");

    key = mifare_desfire_des_key_new_with_version(key_data_null);
    res = mifare_desfire_authenticate(tag, 0, key);
    cut_assert_success("mifare_desfire_authenticate()");
    mifare_desfire_key_free(key);

    // Use a 3DES application master key
    key = mifare_desfire_3des_key_new_with_version((uint8_t *) "App.B Master Key");
    res = mifare_desfire_change_key(tag, 0, key, NULL);
    cut_assert_success("mifare_desfire_change_key()");
    mifare_desfire_key_free(key);

    /* Authenticate with the new master key */
    /* (Reversed parity bits this time) */
    key = mifare_desfire_3des_key_new_with_version((uint8_t *) "@pp/C!L`ruds!Kdx");
    res = mifare_desfire_authenticate(tag, 0, key);
    cut_assert_success("mifare_desfire_authenticate()");
    mifare_desfire_key_free(key);

    res = mifare_desfire_get_key_version(tag, 0, &key_version);
    cut_assert_success("mifare_desfire_get_key_version()");
    //   App.B Mas-ter Key
    // 0b100000111-0100111
    // 0x       83-     A7
    cut_assert_equal_int(0x83, key_version, cut_message("Wrong key version"));

    key = mifare_desfire_3des_key_new_with_version((uint8_t *) "App.B Master Key");
    cut_assert_equal_int(0x83, mifare_desfire_key_get_version(key), cut_message("mifare_desfire_key_get_version() returns an invalid version"));
    mifare_desfire_key_free(key);

    /* Change key #1 */
    key = mifare_desfire_des_key_new_with_version(key_data_null);
    res = mifare_desfire_authenticate(tag, 1, key);
    cut_assert_success("mifare_desfire_authenticate()");
    mifare_desfire_key_free(key);

    key = mifare_desfire_des_key_new_with_version((uint8_t *) "SglDES_1");
    res = mifare_desfire_change_key(tag, 1, key, NULL);
    cut_assert_success("mifare_desfire_change_key()");
    mifare_desfire_key_free(key);

    /* Change key #5 */
    key = mifare_desfire_des_key_new_with_version(key_data_null);
    res = mifare_desfire_authenticate(tag, 5, key);
    cut_assert_success("mifare_desfire_authenticate()");
    mifare_desfire_key_free(key);

    key = mifare_desfire_3des_key_new_with_version((uint8_t *) "B's Chg Keys Key");
    res = mifare_desfire_change_key(tag, 5, key, NULL);
    cut_assert_success("mifare_desfire_change_key()");
    mifare_desfire_key_free(key);

    /* Set key #5 as the change key */
    key = mifare_desfire_3des_key_new_with_version((uint8_t *) "App.B Master Key");
    res = mifare_desfire_authenticate(tag, 0, key);
    cut_assert_success("mifare_desfire_authenticate()");
    mifare_desfire_key_free(key);

    res = mifare_desfire_change_key_settings(tag, 0x5F);
    cut_assert_success("mifare_desfire_change_key_settings()");

    uint8_t key_settings;
    uint8_t max_keys;
    res = mifare_desfire_get_key_settings(tag, &key_settings, &max_keys);
    cut_assert_success("mifare_desfire_get_key_settings()");

    cut_assert_equal_int(0x5F, key_settings, cut_message("Wrong key settings"));
    cut_assert_equal_int(6, max_keys, cut_message("Wrong maximum number of keys"));

    /* Change key #1 to #4 using the three key procedure. */
    key = mifare_desfire_3des_key_new_with_version((uint8_t *) "B's Chg Keys Key");
    res = mifare_desfire_authenticate(tag, 5, key);
    cut_assert_success("mifare_desfire_authenticate()");
    mifare_desfire_key_free(key);

    key = mifare_desfire_3des_key_new_with_version((uint8_t *)"App.B Key #1.   ");
    MifareDESFireKey key1 = mifare_desfire_des_key_new_with_version((uint8_t *) "SglDES_1");
    res = mifare_desfire_change_key(tag, 1, key, key1);
    cut_assert_success("mifare_desfire_change_key()");
    mifare_desfire_key_free(key);
    mifare_desfire_key_free(key1);
    key = mifare_desfire_3des_key_new_with_version((uint8_t *)"App.B Key #2..  ");
    res = mifare_desfire_change_key(tag, 2, key, NULL);
    cut_assert_success("mifare_desfire_change_key()");
    mifare_desfire_key_free(key);
    key = mifare_desfire_3des_key_new_with_version((uint8_t *)"App.B Key #3... ");
    res = mifare_desfire_change_key(tag, 3, key, NULL);
    cut_assert_success("mifare_desfire_change_key()");
    mifare_desfire_key_free(key);
    key = mifare_desfire_3des_key_new_with_version((uint8_t *)"App.B Key #4....");
    res = mifare_desfire_change_key(tag, 4, key, NULL);
    cut_assert_success("mifare_desfire_change_key()");
    mifare_desfire_key_free(key);

    std_data_file_id--;

    res = mifare_desfire_create_std_data_file(tag, std_data_file_id, MDCM_PLAIN, 0x1234, 100);
    cut_assert_success("mifare_desfire_create_std_data_file()");
    expected_value = -1000000;
    res = mifare_desfire_create_value_file(tag, 4, 0, 0x1324, -987654321, -1000, expected_value, 1);
    cut_assert_success("mifare_desfire_create_value_file()");
    res = mifare_desfire_create_linear_record_file(tag, 1, 0, 0x1324, 25, 4);

    int nr = 0;
    for (int transaction = 0; transaction < 7; transaction++) {
	uint8_t cs = transaction % 3;
	if (cs == 2) cs++;

	key = mifare_desfire_3des_key_new_with_version((uint8_t *) "App.B Key #4....");
	res = mifare_desfire_authenticate(tag, 4, key);
	cut_assert_success("mifare_desfire_authenticate()");
	mifare_desfire_key_free(key);

	res = mifare_desfire_change_file_settings(tag, std_data_file_id, cs, 0x1234);
	cut_assert_success("mifare_desfire_change_file_settings()");
	res = mifare_desfire_change_file_settings(tag, 4, cs, 0x1324);
	cut_assert_success("mifare_desfire_change_file_settings()");
	res = mifare_desfire_change_file_settings(tag, 1, cs, 0x1324);
	cut_assert_success("mifare_desfire_change_file_settings()");

	// Authenticate witht he write key
	key = mifare_desfire_3des_key_new_with_version((uint8_t *) "App.B Key #2..  ");
	res = mifare_desfire_authenticate(tag, 2, key);
	cut_assert_success("mifare_desfire_authenticate()");
	mifare_desfire_key_free(key);

	char data_buffer[100];
	char data_buffer2[100];
	char data_buffer3[100];
	for (int i = 0; i < 100; i++)
	    data_buffer[i] = transaction + i;

	res = mifare_desfire_write_data(tag, std_data_file_id, 0, 100, data_buffer);
	cut_assert_success("mifare_desfire_write_data()");

	sprintf(data_buffer2, "Transaction #%d", transaction);

	res = mifare_desfire_write_data(tag, std_data_file_id, 5, strlen(data_buffer2), data_buffer2);
	cut_assert_success("mifare_desfire_write_data()");

	memcpy(data_buffer + 5, data_buffer2, strlen(data_buffer2));

	// Write to the linear record.  When it's full, erase it and restart.
	for (int i = 0; i < 2; i++) {
	    if ((transaction % 2 == 1) && (i == 1)) {
		res = mifare_desfire_clear_record_file(tag, 1);
		cut_assert_success("mifare_desfire_clear_record_file()");

		sprintf(data_buffer3, "Test invalid write");
		res = mifare_desfire_write_record(tag, 1, 0, strlen(data_buffer3), data_buffer3);
		cut_assert_equal_int(-1, res, cut_message("error code"));
		cut_assert_equal_int(PERMISSION_ERROR, mifare_desfire_last_picc_error(tag), cut_message("PICC error"));

		// The prebious failure has aborted the transaction, so clear
		// record again.
		res = mifare_desfire_clear_record_file(tag, 1);
		cut_assert_success("mifare_desfire_clear_record_file()");

		res = mifare_desfire_commit_transaction(tag);
		cut_assert_success("mifare_desfire_commit_transaction()");
		nr = 0;
	    }

	    res = mifare_desfire_write_record(tag, 1, 0, 25, "0123456789012345678901234");
	    cut_assert_success("mifare_desfire_write_record()");

	    res = mifare_desfire_write_record(tag, 1, 5, strlen(data_buffer2), data_buffer2);
	    cut_assert_success("mifare_desfire_write_record()");
	}
	nr++;

	// Modify the value file
	res = mifare_desfire_debit(tag, 4, 1300);
	cut_assert_success("mifare_desfire_debit()");
	expected_value -= 1300;
	res = mifare_desfire_credit(tag, 4, 20);
	cut_assert_success("mifare_desfire_credit()");
	expected_value += 20;
	res = mifare_desfire_debit(tag, 4, 1700);
	cut_assert_success("mifare_desfire_debit()");
	expected_value -= 1700;

	// Commit
	res = mifare_desfire_commit_transaction(tag);
	cut_assert_success("mifare_desfire_commit_transaction()");

	// Refund the whole debited amount
	res = mifare_desfire_limited_credit(tag, 4, 3000);
	cut_assert_success("mifare_desfire_limited_credit()");
	expected_value += 3000;

	// Commit
	res = mifare_desfire_commit_transaction(tag);
	cut_assert_success("mifare_desfire_commit_transaction()");

	// Authenticate with the key that allows reading
	key = mifare_desfire_3des_key_new_with_version((uint8_t *) "App.B Key #1.   ");
	res = mifare_desfire_authenticate(tag, 1, key);
	cut_assert_success("mifare_desfire_authenticate()");
	mifare_desfire_key_free(key);

	// Read first half of the file
	res = mifare_desfire_read_data(tag, std_data_file_id, 0, 50, data_buffer3);
	cut_assert_success("mifare_desfire_read_data()");
	cut_assert_equal_int(50, res, cut_message("length"));
	cut_assert_equal_memory(data_buffer, 50, data_buffer3, res, cut_message("data"));

	// Read second half of the file
	res = mifare_desfire_read_data(tag, std_data_file_id, 50, 0, data_buffer3);
	cut_assert_success("mifare_desfire_read_data()");
	cut_assert_equal_int(50, res, cut_message("length"));
	cut_assert_equal_memory(data_buffer + 50, 50, data_buffer3, res, cut_message("data"));

	// Get the value file current balance
	int32_t value;
	res = mifare_desfire_get_value(tag, 4, &value);
	cut_assert_success("mifare_desfire_get_value()");
	cut_assert_equal_int(expected_value, value, cut_message("value"));

	// Get the number of records in the linear record file
	struct mifare_desfire_file_settings settings;
	res = mifare_desfire_get_file_settings(tag, 1, &settings);
	cut_assert_success("mifare_desfire_get_file_settings()");
	cut_assert_equal_int(MDFT_LINEAR_RECORD_FILE_WITH_BACKUP, settings.file_type, cut_message("settings"));
	cut_assert_equal_int(nr, settings.settings.linear_record_file.current_number_of_records, cut_message("settings"));

	// Read the oldest record
	res = mifare_desfire_read_records(tag, 1, nr - 1, 1, data_buffer3);
	cut_assert_success("mifare_desfire_read_records()");
	cut_assert_equal_int(25, res, cut_message("length"));

	sprintf(data_buffer, "0123456789012345678901234");
	sprintf(data_buffer2, "Transaction #%d", transaction - nr + 1);
	memcpy((uint8_t *)data_buffer + 5, data_buffer2, strlen(data_buffer2));
	cut_assert_equal_memory(data_buffer, strlen(data_buffer), data_buffer3, res, cut_message("data"));

	// Read all records
	res = mifare_desfire_read_records(tag, 1, 0, 0, data_buffer3);
	cut_assert_success("mifare_desfire_read_records()");
	cut_assert_equal_int(25 * nr, res, cut_message("length"));
    }

    res = mifare_desfire_get_file_ids(tag, &files, &file_count);
    cut_assert_success("mifare_desfire_get_file_ids");
    cut_assert_equal_int(3, file_count, cut_message("count"));

    for (size_t i = 0; i < file_count; i++) {
	struct mifare_desfire_file_settings settings;
	res = mifare_desfire_get_file_settings(tag, files[i], &settings);
	cut_assert_success("mifare_desfire_get_file_settings()");

	switch (files[i]) {
	case 1:
	    cut_assert_equal_int(MDFT_LINEAR_RECORD_FILE_WITH_BACKUP, settings.file_type, cut_message("type"));
	    cut_assert_equal_int(MDCM_PLAIN, settings.communication_settings, cut_message("cs"));
	    cut_assert_equal_int(0x1324, settings.access_rights, cut_message("access_rights"));
	    cut_assert_equal_int(25, settings.settings.linear_record_file.record_size, cut_message("record_size"));
	    cut_assert_equal_int(4, settings.settings.linear_record_file.max_number_of_records, cut_message("max_number_of_records"));
	    cut_assert_equal_int(2, settings.settings.linear_record_file.current_number_of_records, cut_message("current_number_of_records"));
	    break;
	case 4:
	    cut_assert_equal_int(MDFT_VALUE_FILE_WITH_BACKUP, settings.file_type, cut_message("type"));
	    cut_assert_equal_int(MDCM_PLAIN, settings.communication_settings, cut_message("cs"));
	    cut_assert_equal_int(0x1324, settings.access_rights, cut_message("access_rights"));
	    cut_assert_equal_int(-987654321, settings.settings.value_file.lower_limit, cut_message("lower_limit"));
	    cut_assert_equal_int(-1000, settings.settings.value_file.upper_limit, cut_message("upper_limit"));
	    cut_assert_equal_int(0, settings.settings.value_file.limited_credit_value, cut_message("limited_credit_value"));
	    cut_assert_equal_int(1, settings.settings.value_file.limited_credit_enabled, cut_message("limited_credit_enabled"));
	    break;
	case 14: /* std_data_file_id */
	    cut_assert_equal_int(MDFT_STANDARD_DATA_FILE, settings.file_type, cut_message("type"));
	    cut_assert_equal_int(MDCM_PLAIN, settings.communication_settings, cut_message("cs"));
	    cut_assert_equal_int(0x1234, settings.access_rights, cut_message("access_rights"));
	    cut_assert_equal_int(100, settings.settings.standard_file.file_size, cut_message("size"));
	    break;
	default:
	    cut_fail("file_no");

	}

	res = mifare_desfire_delete_file(tag, files[i]);
	cut_assert_success("mifare_desfire_delete_file()");
    }
    free(files);

    // Check there are no files anymore
    res = mifare_desfire_get_file_ids(tag, &files, &file_count);
    cut_assert_success("mifare_desfire_get_file_ids");
    cut_assert_equal_int(0, file_count, cut_message("count"));

    /* Delete application B */
    key = mifare_desfire_3des_key_new_with_version((uint8_t *) "App.B Master Key");
    res = mifare_desfire_authenticate(tag, 0, key);
    cut_assert_success("mifare_desfire_authenticate()");
    mifare_desfire_key_free(key);

    res = mifare_desfire_delete_application(tag, aid_b);
    cut_assert_success("mifare_desfire_delete_application()");

    res = mifare_desfire_get_application_ids(tag, &aids, &aid_count);
    cut_assert_success("mifare_desfire_get_application_ids()");
    cut_assert_equal_int(1, aid_count, cut_message("Wrong AID count"));
    mifare_desfire_free_application_ids(aids);

    /* Tests using application C */

    res = mifare_desfire_select_application(tag, aid_c);
    cut_assert_success("mifare_desfire_select_application()");

    key = mifare_desfire_des_key_new_with_version(key_data_null);
    res = mifare_desfire_authenticate(tag, 12, key);
    cut_assert_success("mifare_desfire_authenticate()");

    MifareDESFireKey new_key = mifare_desfire_3des_key_new_with_version((uint8_t *)"App.C Key #1.   ");
    res = mifare_desfire_change_key(tag, 1, new_key, key);
    cut_assert_success("mifare_desfire_change_key()");
    mifare_desfire_key_free(new_key);

    new_key = mifare_desfire_3des_key_new_with_version((uint8_t *)"App.C Key #2..  ");
    res = mifare_desfire_change_key(tag, 2, new_key, key);
    cut_assert_success("mifare_desfire_change_key()");
    mifare_desfire_key_free(new_key);

    res = mifare_desfire_authenticate(tag, 0, key);
    cut_assert_success("mifare_desfire_authenticate()");
    mifare_desfire_key_free(key);


    res = mifare_desfire_create_cyclic_record_file(tag, 6, MDCM_PLAIN, 0x12E0, 100, 22);
    cut_assert_success("mifare_desfire_create_cyclic_record_file()");

    for (int transaction = 0; transaction < 50; transaction++) {
	char data_buffer[100];
	char read_buffer[100];

	uint8_t cs = transaction % 3;
	if (cs == 2) cs++;

	key = mifare_desfire_des_key_new(key_data_null);
	res = mifare_desfire_authenticate(tag, 0, key);
	cut_assert_success("mifare_desfire_authenticate()");
	mifare_desfire_key_free(key);

	res = mifare_desfire_change_file_settings(tag, 6, cs, 0x12E0);
	cut_assert_success("mifare_desfire_change_file_settings()");

	if (transaction & 4) {
	    key = mifare_desfire_3des_key_new_with_version((uint8_t *) "App.C Key #2..  ");
	    res = mifare_desfire_authenticate(tag, 2, key);
	    cut_assert_success("mifare_desfire_authenticate()");
	    mifare_desfire_key_free(key);
	} else {
	    cs = 0;
	}

	memset(data_buffer, '_', 100);
	data_buffer[0]  = transaction;
	data_buffer[99] = transaction;
	sprintf(data_buffer + 5, " Transaction #%d ", transaction);
	res = mifare_desfire_write_record(tag, 6, 0, 100, data_buffer);
	cut_assert_success("mifare_desfire_write_record()");

	if (transaction & 4) {
	    key = mifare_desfire_3des_key_new_with_version((uint8_t *) "App.C Key #1.   ");
	    res = mifare_desfire_authenticate(tag, 1, key);
	    cut_assert_success("mifare_desfire_authenticate()");
	    mifare_desfire_key_free(key);
	}

	if (transaction % 7 == 0) {
	    res = mifare_desfire_abort_transaction(tag);
	    cut_assert_success("mifare_desfire_abort_transaction()");

	    ssize_t n = mifare_desfire_read_records(tag, 6, 0, 1, read_buffer);
	    if (transaction == 0) {
		cut_assert_equal_int(-1, n, cut_message("Wrong return value"));
	    } else {
		cut_assert_equal_int(100, n, cut_message("Wrong return value"));
		cut_assert_not_equal_memory(data_buffer, sizeof(data_buffer), read_buffer, sizeof(read_buffer), cut_message("Wrong data"));
	    }
	} else {
	    res = mifare_desfire_commit_transaction(tag);
	    cut_assert_success("mifare_desfire_commit_transaction()");

	    ssize_t n = mifare_desfire_read_records(tag, 6, 0, 1, read_buffer);
	    cut_assert_equal_int(100, n, cut_message("Wrong return value"));
	    cut_assert_equal_memory(data_buffer, sizeof(data_buffer), read_buffer, sizeof(read_buffer), cut_message("Wrong data"));
	}
    }

    // Read each record
    key = mifare_desfire_3des_key_new_with_version((uint8_t *) "App.C Key #1.   ");
    res = mifare_desfire_authenticate(tag, 1, key);
    cut_assert_success("mifare_desfire_authenticate()");
    mifare_desfire_key_free(key);

    int t = 49;
    for (int i = 0; i < 22; i++) {
	char data_buffer[100];
	char ref_data_buffer[100];

	if (0 == (t % 7))
	    t--;

	memset(ref_data_buffer, '_', 100);
	ref_data_buffer[0]  = t;
	ref_data_buffer[99] = t;
	sprintf(ref_data_buffer + 5, " Transaction #%d ", t);
	res = mifare_desfire_read_records(tag, 6, i, 1, data_buffer);
	if (i == 21) {
	    cut_assert_equal_int(-1, res, cut_message("return value"));
	} else {
	    cut_assert_success("mifare_desfire_read_records()");
	    cut_assert_equal_memory(ref_data_buffer, 100, data_buffer, res, cut_message("data"));
	}

	t--;
    }

    /*
     * Change master key settings to require master key authentication for all
     * card operations.  Only allow to revert this.
     */

    res = mifare_desfire_select_application(tag, 0);
    cut_assert_success("mifare_desfire_select_application()");

    key = mifare_desfire_3des_key_new_with_version(key_data_3des);
    res = mifare_desfire_authenticate(tag, 0, key);
    cut_assert_success("mifare_desfire_authenticate()");
    mifare_desfire_key_free(key);

    res = mifare_desfire_change_key_settings(tag, 0x08);
    cut_assert_success("mifare_desfire_change_key_settings()");

    /* Clear authentication */
    res = mifare_desfire_select_application(tag, 0);
    cut_assert_success("mifare_desfire_select_application()");

    /* We should not be able to list applications now */
    res = mifare_desfire_get_application_ids(tag, &aids, &aid_count);
    cut_assert_equal_int(-1, res, cut_message("Wrong return value"));
    cut_assert_equal_int(AUTHENTICATION_ERROR, mifare_desfire_last_picc_error(tag), cut_message("Wrong PICC error"));

    /* Deleting an application should not be possible */
    res = mifare_desfire_delete_application(tag, aid_c);
    cut_assert_equal_int(-1, res, cut_message("Wrong return value"));
    cut_assert_equal_int(AUTHENTICATION_ERROR, mifare_desfire_last_picc_error(tag), cut_message("Wrong PICC error"));

    /* Creating an application should also be forbidden */
    MifareDESFireAID aid_d = mifare_desfire_aid_new(0x00DDDDDD);
    res = mifare_desfire_create_application(tag, aid_d, 0xEF, 0);
    cut_assert_equal_int(-1, res, cut_message("Wrong return value"));
    cut_assert_equal_int(AUTHENTICATION_ERROR, mifare_desfire_last_picc_error(tag), cut_message("Wrong PICC error"));

    /*
     * Now we retry authenticated with the master key.
     */
    key = mifare_desfire_3des_key_new_with_version(key_data_3des);
    res = mifare_desfire_authenticate(tag, 0, key);
    cut_assert_success("mifare_desfire_authenticate()");
    mifare_desfire_key_free(key);

    /* We should be able to list applications again */
    res = mifare_desfire_get_application_ids(tag, &aids, &aid_count);
    cut_assert_success("mifare_desfire_get_application_ids()");
    cut_assert_equal_int(1, aid_count, cut_message("Wrong AID count"));
    mifare_desfire_free_application_ids(aids);

    /* Deleting an application should be possible again */
    res = mifare_desfire_delete_application(tag, aid_c);
    cut_assert_success("mifare_desfire_delete_application()");

    /* Creating an application should also be possible */
    res = mifare_desfire_create_application(tag, aid_d, 0xEF, 0);
    cut_assert_success("mifare_desfire_create_application()");

    /* Revert master key settings to default */
    res = mifare_desfire_change_key_settings(tag, 0xF);
    cut_assert_success("mifare_desfire_change_key_settings()");

    /* Change the master key back to the default one */
    key = mifare_desfire_3des_key_new_with_version(key_data_3des);
    res = mifare_desfire_authenticate(tag, 0, key);
    cut_assert_success("mifare_desfire_authenticate()");
    mifare_desfire_key_free(key);

    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()");

    /*
     * Delete everything from the card
     */

    res = mifare_desfire_authenticate(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()");

    free(aid_a);
    free(aid_b);
    free(aid_c);
    free(aid_d);
}

void
test_mifare_desfire_get_tag_friendly_name(void)
{
    const char *name = freefare_get_tag_friendly_name(tag);

    cut_assert_not_null(name, cut_message("freefare_get_tag_friendly_name() failed"));
}

#define NAID 28

void
test_mifare_desfire_get_many_application_ids(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()");

    for (int i = 0; i < NAID; i++) {
	MadAid mad_aid = { i, i };
	MifareDESFireAID aid = mifare_desfire_aid_new_with_mad_aid(mad_aid, i % 0x10);

	res = mifare_desfire_create_application(tag, aid, 0xff, 0);
	cut_assert_success("mifare_desfire_create_application()");

	free(aid);
    }


    MifareDESFireAID *aids;
    size_t aid_count;

    res = mifare_desfire_get_application_ids(tag, &aids, &aid_count);
    cut_assert_success("mifare_desfire_get_application_ids()");

    cut_assert_equal_int(NAID, aid_count, cut_message("count"));

    mifare_desfire_free_application_ids(aids);

    /* Wipeout the card */
    res = mifare_desfire_format_picc(tag);
    cut_assert_success("mifare_desfire_format_picc()");
}

void
test_mifare_desfire_des_macing(void)
{
    int res;

    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, 1);
    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()");

    char buffer[50];
    res = mifare_desfire_read_data(tag, 1, 0, 0, buffer);
    cut_assert_success("mifare_desfire_read_data()");
    cut_assert_equal_int(20, res, cut_message("retval"));
    cut_assert_equal_string(s, buffer, cut_message("value"));

    res = mifare_desfire_select_application(tag, NULL);
    cut_assert_success("mifare_desfire_select_application");
    res = mifare_desfire_authenticate(tag, 0, key);
    cut_assert_success("mifare_desfire_authenticate()");

    /* Wipeout the card */
    res = mifare_desfire_format_picc(tag);
    cut_assert_success("mifare_desfire_format_picc()");

    mifare_desfire_key_free(key);
}

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);
}