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NDEF type4a notes
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@ -58,7 +58,7 @@ The Proxmark3 is the swiss-army tool of RFID, allowing for interactions with the
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|[Developing standalone mode](/armsrc/Standalone/readme.md)|[Wiki about standalone mode](https://github.com/RfidResearchGroup/proxmark3/wiki/Standalone-mode)|[Notes on Magic UID cards](/doc/magic_cards_notes.md)|
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|[Notes on Color usage](/doc/colors_notes.md)|[Makefile vs CMake](/doc/md/Development/Makefile-vs-CMake.md)|[Notes on Cloner guns](/doc/cloner_notes.md)|
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|[Notes on cliparser usage](/doc/cliparser.md)|[Notes on clocks](/doc/clocks.md)|[Notes on MIFARE DESFire](/doc/desfire.md)|
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|[Notes on CIPURSE](/doc/cipurse.md)|||
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|[Notes on CIPURSE](/doc/cipurse.md)|[Notes on NDEF type4a](/doc/ndef_type4a.md)||
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# How to build?
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261
doc/ndef_type4a.md
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261
doc/ndef_type4a.md
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@ -0,0 +1,261 @@
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# Notes on Setting up NDEF (NDEF type4a)
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<a id="Top"></a>
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# Table of Contents
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- [Notes on Setting up NDEF type4a](#Notes-on-Setting-up-NDEF)
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- [Table of Contents](#table-of-contents)
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- [NDEF on Desfire EV1](#NDEF-on-Desfire-EV1)
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- [Step 1. Create Application](#Step-1-Create-Application)
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- [Step 2. Create the Capability Container file (CC File)](#Step-2-Create-the-Capability-Container-file-CC-File)
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- [Step 3. Create the NDEF Record File](#Step-3-Create-the-NDEF-Record-File)
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- [Check the NDEF Record works](#Check-the-NDEF-Record-works)
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## NDEF type4a on Desfire EV1
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^[Top](#top)
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The follow is a guide to assist in setting up a single NDEF record on an Desfire EV1 (or later).
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Please refere to the NDEF documention and standards for assistance on the actual NDEF record setup and structure.
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It is assumed you are fimular with using a desfire cards and commands.
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The follow notes are based on:
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NXP - AN11004 - MIFARE DESFire as Type 4 Tag
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Rev. 2.4 - 22 May 2013
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In order to setup NDEF on a Mifare Desfire card you need to create an Application and two files inside that application.
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The application and files have some special needs in order for the standands to work and the NDEF recrod to be found.
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### Step 1 Create Application
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While what i beleive the App ID and File IDs dont matter (for EV1 and later)
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I did find a reference to using the values in this example.
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The Application MUST have the DFName of D2760000850101
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Note: That is the hex/binary data that needs to be stored!
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DF Name : D2760000850101 <- **Important MUST be D2760000850101**
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AID : 000001 <- In EV1 and later can be any AID
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FID : E110 <- In EV1 and later can be any App - FID
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Keys : 1 <- Any number of keys (based on your needs)
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Encryption : AES <- Any encryption.
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ISO 2 Byte FID : Yes <- **Important MUST support 2 Byte ISO File IDs**
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***Proxmark Command***
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``` hf mfdes createapp --aid 000001 --fid E110 --ks1 0B --ks2 A1 --dfhex D2760000850101 -t des -n 0 -k 0000000000000000```
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Result
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``` [+] Desfire application 000001 successfully created```
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### Step 2 Create the Capability Container file (CC File)
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The CC File is a standard file to store the needed NDEF information to find your NDEF records. This example will contrain the setup for a single NDEF record.
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Note: You can define more then one NDEF data file if needed (not covered in this example)
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Type : Standard data file
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FID : 01 <- File ID can be any uniqure File ID for this AID
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ISO FID : E103 <- **Important MUST be the 2 byte ISO File of E103**
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Size : 0F (15 bytes) <- May need to be longer in more advanced setups.
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Comms : Plain <- **Important the file MUST support plain communication mode**
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Permissions : E000 <- **Read Free** write change etc key 0)
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Note: To allow public update set Write to E as well.
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All keys should be set as per normal desfire rules.
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CC File (E103) example
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000F20003B00340406E10400FF00FF
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Usefull Items in the CC File
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000F20003B00340406 E104 00FF 00 FF
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| | |
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| | --- 00 = Write allowed, FF = Read Only
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| ---------- The maxium size of the NDEF record (set to the NDEF record size)
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--------------- The ISO 2 byte File ID for the NDEF Record file
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Note: the NDEF Record File Size should be <= the actual data file size and >= the amount of data you have. Its not how long the actual NDEF record is.
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***Proxmark Commands***
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Create the CC File
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hf mfdes createfile --aid 000001 --fid 01 --isofid E103 --amode plain --size 00000F --rrights free --wrights key0 --rwrights key0 --chrights key0 -n 0 -t aes -k 00000000000000000000000000000000 -m plain
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Result:
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[=] ---- Create file settings ----
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[+] File type : Standard data
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[+] File number : 0x01 (1)
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[+] File ISO number : 0xe103
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[+] File comm mode : Plain
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[+] Additional access: No
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[+] Access rights : e000
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[+] read : free
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[+] write : key 0x00
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[+] readwrite: key 0x00
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[+] change : key 0x00
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[=] File size : 15 (0xF) bytes
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[+] Standard data file 01 in the app 000001 created successfully
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Write the CC Record to the file
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hf mfdes write --aid 000001 --fid 01 -d 000F20003B00340406E10400FF00FF -n 0 -t aes -k 00000000000000000000000000000000 -m plain
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Result
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[=] Write data file 01 success
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Check the contents of the CC file (note: no-auth was selected to ensure we can read without authentication as needed)
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hf mfdes read --no-auth --aid 000001 --fid 01
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Result
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[=] ------------------------------- File 01 data -------------------------------
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[+] Read 15 bytes from file 0x01 offset 0
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[=] Offset | Data | Ascii
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[=] ----------------------------------------------------------------------------
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[=] 0/0x00 | 00 0F 20 00 3B 00 34 04 06 E1 04 00 FF 00 FF | .. .;.4........
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### Step 3 Create the NDEF Record File
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Type : Standard data file
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FID : 02 <- File ID can be any uniqure File ID for this AID
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ISO FID : E104 <- **Important MUST be the 2 byte ISO File set in the CC File**
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Size : 00FF (255 bytes) <- Can be as big as needed, but should not be smaller then the value in the CC File
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Comms : Plain <- **Important the file MUST support plain communication mode**
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Permissions : E000 <- **Read Free** write change etc key 0)
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Note: To allow public update set Write to E as well.
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All keys should be set as per normal desfire rules.
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NDEF data file example
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000CD1010855016E78702E636F6DFE
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Usefull Items in this NDEF example record
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000C D10108 55 01 6E78702E636F6D FE
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| | | |
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| | | ----------- nxp.com
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| | -------------------- Well known record sub-type : 01 HTTP://, 02 HTTPS://
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| ----------------------- ASCII U - URI
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---------------------------------- Lenght of the NDEF record (not inluding the trailing FE
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***Proxmark Commands***
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Create the NDEF record file
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hf mfdes createfile --aid 000001 --fid 02 --isofid E104 --amode plain --size 0000FF --rrights free --wrights key0 --rwrights key0 --chrights key0 -n 0 -t aes -k 00000000000000000000000000000000 -m plain
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Result:
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[=] ---- Create file settings ----
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[+] File type : Standard data
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[+] File number : 0x02 (2)
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[+] File ISO number : 0xe104
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[+] File comm mode : Plain
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[+] Additional access: No
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[+] Access rights : e000
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[+] read : free
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[+] write : key 0x00
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[+] readwrite: key 0x00
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[+] change : key 0x00
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[=] File size : 255 (0xFF) bytes
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[+] Standard data file 02 in the app 000001 created successfully
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Write an NDEF record to the file
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hf mfdes write --aid 000001 --fid 02 -d 000CD1010855016E78702E636F6DFE -n 0 -t aes -k 00000000000000000000000000000000 -m plain
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Result:
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[=] Write data file 02 success
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## Check the NDEF Record works
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You can use any NDEF reading tool or device to check. If this card is presented to a mobile phone, it should visit the nxp.com web page.
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***Proxmark Command***
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Check the contents of the NDEF record file
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hf mfdes read --no-auth --aid 000001 --fid 02
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Result:
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[=] ------------------------------- File 02 data -------------------------------
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[+] Read 255 bytes from file 0x02 offset 0
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[=] Offset | Data | Ascii
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[=] ----------------------------------------------------------------------------
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[=] 0/0x00 | 00 0C D1 01 08 55 01 6E 78 70 2E 63 6F 6D FE 00 | .....U.nxp.com..
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[=] 16/0x10 | 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 | ................
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[=] 32/0x20 | 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 | ................
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[=] 48/0x30 | 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 | ................
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[=] 64/0x40 | 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 | ................
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[=] 80/0x50 | 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 | ................
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[=] 96/0x60 | 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 | ................
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[=] 112/0x70 | 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 | ................
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[=] 128/0x80 | 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 | ................
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[=] 144/0x90 | 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 | ................
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[=] 160/0xA0 | 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 | ................
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[=] 176/0xB0 | 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 | ................
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[=] 192/0xC0 | 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 | ................
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[=] 208/0xD0 | 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 | ................
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[=] 224/0xE0 | 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 | ................
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[=] 240/0xF0 | 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 | ...............
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Check if the NDEF record can be read correctly
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nfc type4a read
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Result:
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[+] ------------ Capability Container file ------------
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[+] Version... v2.0 ( 0x20 )
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[+] Len....... 15 bytes ( 0x0F )
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[+] Max bytes read 59 bytes ( 0x003B )
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[+] Max bytes write 52 bytes ( 0x0034 )
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[+] NDEF file control TLV
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[+] (t) type of file.... 04
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[+] (v) ................ 06
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[+] file id............. E104
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[+] Max NDEF filesize... 255 bytes ( 0x00FF )
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[+] Access rights
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[+] read ( 00 ) protection: disabled
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[+] write ( FF ) protection: enabled
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[+]
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[+] ----------------- raw -----------------
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[+] 000F20003B00340406E10400FF00FF
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[+] Record 1
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[=] -----------------------------------------------------
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[=] Header info
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[+] 1 ....... Message begin
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[+] 1 ...... Message end
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[+] 0 ..... Chunk flag
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[+] 1 .... Short record bit
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[+] 0 ... ID Len present
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[+]
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[+] Header length...... 3
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[+] Type length........ 1
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[+] Payload length..... 8
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[+] ID length.......... 0
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[+] Record length...... 12
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[+] Type name format... [ 0x01 ] Well Known Record
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[=]
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[=] Payload info
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[=] Type data
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[=] 00: 55 | U
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[=] Payload data
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[=] 00: 01 6E 78 70 2E 63 6F 6D | .nxp.com
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[=]
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[=] URL
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[=] uri... http://www.nxp.com
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[=]
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