diff --git a/examples/Makefile.am b/examples/Makefile.am
index 3e9aabb..c176d4c 100644
--- a/examples/Makefile.am
+++ b/examples/Makefile.am
@@ -7,7 +7,8 @@ bin_PROGRAMS = mifare-classic-format \
mifare-classic-write-ndef \
mifare-desfire-access \
mifare-desfire-format \
- mifare-desfire-info
+ mifare-desfire-info \
+ mifare-desfire-write-ndef
mifare_classic_format_SOURCES = mifare-classic-format.c
mifare_classic_format_LDADD = -lnfc $(top_builddir)/libfreefare/libfreefare.la -lssl
@@ -24,4 +25,7 @@ mifare_desfire_format_LDADD = -lnfc $(top_builddir)/libfreefare/libfreefare.la -
mifare_desfire_info_SOURCES = mifare-desfire-info.c
mifare_desfire_info_LDADD = -lnfc $(top_builddir)/libfreefare/libfreefare.la -lssl -lm
+mifare_desfire_write_ndef_SOURCES = mifare-desfire-write-ndef.c
+mifare_desfire_write_ndef_LDADD = -lnfc $(top_builddir)/libfreefare/libfreefare.la
+
CLEANFILES= *.gcno
diff --git a/examples/mifare-desfire-write-ndef.c b/examples/mifare-desfire-write-ndef.c
new file mode 100644
index 0000000..70002d7
--- /dev/null
+++ b/examples/mifare-desfire-write-ndef.c
@@ -0,0 +1,194 @@
+/*-
+ * Copyright (C) 2010, Audrey Diacre.
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program. If not, see
+ *
+ */
+
+#include
+#include
+
+#include
+
+/*
+ * This example was written based on information provided by the
+ * following documents:
+ *
+ * Mifare DESFire as Type 4 Tag
+ * NFC Forum Type 4 Tag Extensions for Mifare DESFire
+ * Rev. 1.1 - 21 August 2007
+ *
+ */
+
+
+uint8_t key_data_null[8] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+
+const uint8_t ndef_msg[33] = {
+ 0xd1, 0x02, 0x1c, 0x53, 0x70, 0x91, 0x01, 0x09,
+ 0x54, 0x02, 0x65, 0x6e, 0x4c, 0x69, 0x62, 0x6e,
+ 0x66, 0x63, 0x51, 0x01, 0x0b, 0x55, 0x03, 0x6c,
+ 0x69, 0x62, 0x6e, 0x66, 0x63, 0x2e, 0x6f, 0x72,
+ 0x67
+};
+
+int
+main(int argc, char *argv[])
+{
+ int error = EXIT_SUCCESS;
+ nfc_device_t *device = NULL;
+ MifareTag *tags = NULL;
+
+ if (argc > 1)
+ errx (EXIT_FAILURE, "usage: %s", argv[0]);
+
+ nfc_device_desc_t devices[8];
+ size_t device_count;
+
+ nfc_list_devices (devices, 8, &device_count);
+ if (!device_count)
+ errx (EXIT_FAILURE, "No NFC device found.");
+
+ for (size_t d = 0; d < device_count; d++) {
+ device = nfc_connect (&(devices[d]));
+ if (!device) {
+ warnx ("nfc_connect() failed.");
+ error = EXIT_FAILURE;
+ continue;
+ }
+
+ tags = freefare_get_tags (device);
+ if (!tags) {
+ nfc_disconnect (device);
+ errx (EXIT_FAILURE, "Error listing tags.");
+ }
+
+ for (int i = 0; (!error) && tags[i]; i++) {
+ if (DESFIRE != freefare_get_tag_type (tags[i]))
+ continue;
+
+ char *tag_uid = freefare_get_tag_uid (tags[i]);
+ char buffer[BUFSIZ];
+
+ printf ("Found %s with UID %s. Write NDEF [yN] ", freefare_get_tag_friendly_name (tags[i]), tag_uid);
+ fgets (buffer, BUFSIZ, stdin);
+ bool write_ndef = ((buffer[0] == 'y') || (buffer[0] == 'Y'));
+
+ if (write_ndef) {
+ int res;
+
+ res = mifare_desfire_connect (tags[i]);
+ if (res < 0) {
+ warnx ("Can't connect to Mifare DESFire target.");
+ error = EXIT_FAILURE;
+ break;
+ }
+
+ /* Initialised Formatting Procedure. See section 6.5.1 and 8.1 of Mifare DESFire as Type 4 Tag document*/
+ // Send Mifare DESFire Select Application with AID equal to 000000h to select the PICC level
+ res = mifare_desfire_select_application(tags[i], NULL);
+ if (res < 0)
+ errx (EXIT_FAILURE, "Application selection failed");
+
+ MifareDESFireKey key;
+ key = mifare_desfire_des_key_new_with_version (key_data_null);
+
+ // Authentication with PICC master key MAY be needed to issue ChangeKeySettings command
+ res = mifare_desfire_authenticate (tags[i], 0, key);
+ if (res < 0)
+ errx (EXIT_FAILURE, "Authentication with PICC master key failed");
+
+ uint8_t key_settings;
+ uint8_t max_keys;
+ mifare_desfire_get_key_settings(tags[i], &key_settings,&max_keys);
+ if ((key_settings & 0x08) == 0x08){
+
+ // Send Mifare DESFire ChangeKeySetting to change the PICC master key settings into :
+ // bit7-bit4 equal to 0000b
+ // bit3 equal to Xb, the configuration of the PICC master key MAY be changeable or frozen
+ // bit2 equal to 0b, CreateApplication and DeleteApplication commands are allowed with PICC master key authentication
+ // bit1 equal to 0b, GetApplicationIDs, and GetKeySettings are allowed with PICC master key authentication
+ // bit0 equal to Xb, PICC masterkey MAY be frozen or changeable
+ res = mifare_desfire_change_key_settings (tags[i],0x00);
+ if (res < 0)
+ errx (EXIT_FAILURE, "ChangeKeySettings failed");
+ }
+
+ // Mifare DESFire Create Application with AID equal to EEEE10h, key settings equal to 09, NumOfKeys equal to 01h
+ MifareDESFireAID aid = mifare_desfire_aid_new(0xEEEE10);
+ res = mifare_desfire_create_application (tags[i], aid, 0x09, 1);
+ if (res < 0)
+ errx (EXIT_FAILURE, "Application creation failed. Try mifare-desfire-format before running %s.", argv[0]);
+
+ // Mifare DESFire SelectApplication (Select previously creates application)
+ res = mifare_desfire_select_application(tags[i], aid);
+ if (res < 0)
+ errx (EXIT_FAILURE, "Application selection failed");
+ free (aid);
+
+ // Authentication with NDEF Tag Application master key (Authentication with key 0)
+ res = mifare_desfire_authenticate (tags[i], 0, key);
+ if (res < 0)
+ errx (EXIT_FAILURE, "Authentication with NDEF Tag Application master key failed");
+ // Mifare DESFire ChangeKeySetting with key settings equal to 00000000b
+ res = mifare_desfire_change_key_settings (tags[i],0x00);
+ if (res < 0)
+ errx (EXIT_FAILURE, "ChangeKeySettings failed");
+
+ // Mifare DESFire CreateStdDataFile with FileNo equal to 03h (CC File DESFire FID), ComSet equal to 00h,
+ // AccesRights equal to E000h, File Size bigger equal to 00000Fh
+ res = mifare_desfire_create_std_data_file(tags[i],0x03,0x00,0xE000,0x00000F);
+ if (res < 0)
+ errx (EXIT_FAILURE, "CreateStdDataFile failed");
+
+ // Mifare DESFire WriteData to write the content of the CC File with CClEN equal to 000Fh,
+ // Mapping Version equal to 10h,MLe equal to 003Bh, MLc equal to 0034h, and NDEF File Control TLV
+ // equal to T =04h, L=06h, V=E1 04 (NDEF ISO FID=E104h) 0E E0 (NDEF File size =3808 Bytes) 00 (free read access)
+ // 00 free write access
+ byte_t capability_container_file_content[15] = { 0x00, 0x0F, // CCLEN: Size of this capability container.CCLEN values are between 000Fh and FFFEh
+ 0x10, // Mapping version
+ 0x00, 0x3B, // MLe: Maximum data size that can be read using a single ReadBinary command. MLe = 000Fh-FFFFh
+ 0x00, 0x34, // MLc: Maximum data size that can be sent using a single UpdateBinary command. MLc = 0001h-FFFFh
+ 0x04, 0x06, 0xE1, 0x04, // TLV
+ 0x0E, 0xE0, // NDEF File size
+ 0x00, // free read access
+ 0x00 // free write acces
+ };
+ res = mifare_desfire_write_data(tags[i],0x03,0,sizeof(capability_container_file_content),capability_container_file_content);
+ if (res>0){
+
+ // Mifare DESFire CreateStdDataFile with FileNo equal to 04h (NDEF FileDESFire FID), CmmSet equal to 00h, AccessRigths
+ // equal to EEE0h, FileSize equal to 000EE0h (3808 Bytes)
+ res = mifare_desfire_create_std_data_file(tags[i],0x04,0x00,0xEEE0,0x000EE0);
+ if (res < 0)
+ errx (EXIT_FAILURE, "CreateStdDataFile failed");
+
+ //Mifare DESFire WriteData to write the content of the NDEF File with NLEN equal to NDEF Message length and NDEF Message
+
+ res = mifare_desfire_write_data(tags[i], 0x04, 0, sizeof(ndef_msg), (uint8_t *) ndef_msg);
+ if (res < 0)
+ errx (EXIT_FAILURE, " Write data failed");
+ } else {
+ errx (EXIT_FAILURE, "Write CC file content failed");
+ }
+ mifare_desfire_key_free (key);
+
+ mifare_desfire_disconnect (tags[i]);
+ }
+ free (tag_uid);
+ }
+ freefare_free_tags (tags);
+ nfc_disconnect (device);
+ }
+ exit (error);
+}