Mifare Classic 1K authentication troubles - ACR122U and nfctools for java

[Kishikan]

Hi,

I recently bought an ACR122U reader and a few blank 1k Mifare classic cards (NXP S50) and I've been tinkering with the nfctools library for java (very nice, by the way), but I've been having a lot of trouble trying to authenticate with these cards (63 00 apdu response from the reader).

I've tried most of the common keys (FF FF FF FF FF FF, 00 00 00 00 00 00, A0 A1 A2 A3 A4 A5, etc..) and I am using AbstractCardTool. 

Any read/write operations on the card, on any block results in a LoginException (i.e. org.nfctools.mf.MfLoginException: Login failed. Sector: 0, Block: 0 Key: A, Response: SW1: 99 SW2: 0)

I've attached an XML file dump of the cards I'm using (compiled using my S3, NFC TagInfo app from Google Play) which shows successful results. I'm also able to write to the cards with TagWriter (which formats it as an NDEF tag - I usually reset it to factory settings after doing that) - So, no problem on the android side.

The reader seems to be able to read and write other unsecured tags.

NfcAdapter stuff:

        NfcAdapter nfcAdapter = new NfcAdapter(terminal, TerminalMode.INITIATOR);

        nfcAdapter.registerTagListener(abstractcardtool_class);

        nfcAdapter.registerUnknownTagListerner(new LoggingUnknownTagListener());

        nfcAdapter.startListening();

doWithReaderWriter function (for now)

        public void doWithReaderWriter(MfClassicReaderWriter rw)

        {

            MemoryLayout memoryLayout = rw.getMemoryLayout();

            // Mifare 1K isn't more than 768...

            ByteBuffer outputData = ByteBuffer.allocate(768);

            

            byte[] keyA = {(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff};

            boolean success = true;

            

            // read all data blocks from all sectors

            int sectorCount = memoryLayout.getSectors();

            for (int sector = 0; sector < sectorCount; sector++)

            {

                try

                {

                    MfClassicAccess access = new MfClassicAccess(new KeyValue(Key.A, keyA), sector, 0,

                                                    memoryLayout.getBlocksPerSector(sector) - 1 /*(minus trailer block)*/);

                    MfBlock[] nb = rw.readBlock(access);

                    for (MfBlock b : nb)

                        outputData.put(b.getData());

                    break;

                }

                catch (Exception l)

                {

                    l.printStackTrace();

                    success = false;

                    continue;

                }

            }

            if (success)

                System.out.println("Read succeeded!");

            else

                System.out.println("Read failure!");

        }

Did I do anything wrong at all? This really has me stumped.

Thanks in advance.

[Adrian Stabiszewski]

Hi,

I'm not sure if the "break/continue" logic is correct in your example. I would not recommend using this GOTO technique.

Anyway if you want to scan a card I've created an example for that:
https://github.com/grundid/nfctools-examples/blob/master/src/main/java/org/nfctools/examples/scancard/ScanWholeCardDemo.java
https://github.com/grundid/nfctools/blob/master/nfctools-core/src/main/java/org/nfctools/mf/tools/MfClassicCardScanner.java

Have you tried to use the ScanWholeCardDemo?

Regards,
Adrian.

[Ryun O'Neil]

Hi,

Ah, whoops. Excuse me on that.

And yes, I have tried a few of your demos, including the ScanWholeCardDemo.

Unfortunately, I was still unable to authenticate properly.

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[Kishikan]

Sorry for reviving an old-ish thread,

Was hoping if there is any solution to this?

I'm able to read/write the cards on my phone, but not through the reader - can't authenticate.

The keys should be 0xFFFFFFFFFFFF - I've tried most of the common ones too. I also experienced this issue when I wasn't using nfctools (raw APDUs).

The issue isn't specific to a certain card - I've tried a few. (all blank, and won't authenticate)

Funnily enough, normal 137 byte tags read/write just fine!

Any suggestions?

[Marco Albarelli]

I'm at this stage too

I made a simple Android app that reads/writes text messages to various tag types 

The code I'm attaching here works fine with Ultralight Cards, but fails with MifareClassic 1k cards

@Override

public void onNdefOperations(NdefOperations ndefOperations) {

try {

if (ndefOperations.isFormatted() ) {

String message = caller.getMessage();

Record r = new TextRecord(message);

ndefOperations.writeNdefMessage(r);

caller.runOnUiThread(new Runnable() {

       @Override

       public void run() {

           caller.manageNDEF(caller.getMessage());

       }

   });

}

else{

ndefOperations.format();

Log.i(NFCTOOLS, "not formatted");

}

}catch (Exception e){

e.printStackTrace();

}

}

I get this exception:

05-06 10:15:34.249: I/NDEFManageActivity(7805): Reader name: ACS ACR122U PICC Interface

05-06 10:15:34.249: I/NDEFManageActivity(7805): Number of slots: 1

05-06 10:15:35.389: I/NFCTOOLS(7805): Sending: FF82000006A0A1A2A3A4A5

05-06 10:15:35.389: I/NFCTOOLS(7805): Received: 2 | 9000000000000000000000000000000000000000000000000000000000000000

05-06 10:15:35.389: I/NFCTOOLS(7805): Sending: FF860000050100036000

05-06 10:15:35.429: I/NFCTOOLS(7805): Received: 2 | 9000000000000000000000000000000000000000000000000000000000000000

05-06 10:15:35.429: I/NFCTOOLS(7805): Sending: FFB0000310

05-06 10:15:35.459: I/NFCTOOLS(7805): Received: 18 | 000000000000787788C100000000000090000000000000000000000000000000

05-06 10:15:35.469: I/NFCTOOLS(7805): Sending: FF82000006A0A1A2A3A4A5

05-06 10:15:35.469: I/NFCTOOLS(7805): Received: 2 | 9000000000000000000000000000000000000000000000000000000000000000

05-06 10:15:35.469: I/NFCTOOLS(7805): Sending: FF860000050100036000

05-06 10:15:35.509: I/NFCTOOLS(7805): Received: 2 | 9000000000000000000000000000000000000000000000000000000000000000

05-06 10:15:35.509: I/NFCTOOLS(7805): Sending: FFB0000310

05-06 10:15:35.529: I/NFCTOOLS(7805): Received: 18 | 000000000000787788C100000000000090000000000000000000000000000000

05-06 10:15:35.529: I/NFCTOOLS(7805): Sending: FF82000006A0A1A2A3A4A5

05-06 10:15:35.539: I/NFCTOOLS(7805): Received: 2 | 9000000000000000000000000000000000000000000000000000000000000000

05-06 10:15:35.539: I/NFCTOOLS(7805): Sending: FF860000050100016000

05-06 10:15:35.579: I/NFCTOOLS(7805): Received: 2 | 9000000000000000000000000000000000000000000000000000000000000000

05-06 10:15:35.579: I/NFCTOOLS(7805): Sending: FFB0000110

05-06 10:15:35.599: I/NFCTOOLS(7805): Received: 18 | 140103E103E103E103E103E103E103E190000000000000000000000000000000

05-06 10:15:35.599: I/NFCTOOLS(7805): Sending: FFB0000210

05-06 10:15:35.619: I/NFCTOOLS(7805): Received: 18 | 03E103E103E103E103E103E103E103E190000000000000000000000000000000

05-06 10:15:35.619: I/NFCTOOLS(7805): Sending: FF82000006FFFFFFFFFFFF

05-06 10:15:35.629: I/NFCTOOLS(7805): Received: 2 | 9000000000000000000000000000000000000000000000000000000000000000

05-06 10:15:35.629: I/NFCTOOLS(7805): Sending: FF860000050100076000

05-06 10:15:35.729: I/NFCTOOLS(7805): Received: 2 | 6300000000000000000000000000000000000000000000000000000000000000

05-06 10:15:35.739: I/AndroidLoggerFactory(7805): Logger name 'org.nfctools.mf.classic.MfClassicNdefOperations' exceeds maximum length of 23 characters, using 'o*.n*.m*.c*.MfClassicN*' instead.

05-06 10:15:35.749: W/System.err(7805): java.lang.IllegalStateException: Tag not writable

05-06 10:15:35.749: W/System.err(7805): at org.nfctools.mf.ndef.AbstractNdefOperations.assertWritable(AbstractNdefOperations.java:74)

05-06 10:15:35.749: W/System.err(7805): at org.nfctools.mf.classic.MfClassicNdefOperations.writeNdefMessage(MfClassicNdefOperations.java:96)

05-06 10:15:35.749: W/System.err(7805): at eu.marcoalbarelli.android.demo.nfc.WritingNdefOperationsListener.onNdefOperations(WritingNdefOperationsListener.java:30)

05-06 10:15:35.749: W/System.err(7805): at org.nfctools.mf.classic.MfClassicNfcTagListener.handleTag(MfClassicNfcTagListener.java:53)

05-06 10:15:35.749: W/System.err(7805): at eu.marcoalbarelli.android.demo.nfc.ReaderStateChangeListener.onStateChange(ReaderStateChangeListener.java:67)

05-06 10:15:35.759: W/System.err(7805): at com.acs.smartcard.Reader$a.run(SourceFile:846)

05-06 10:15:35.759: W/System.err(7805): at java.lang.Thread.run(Thread.java:856)

If I try to format the card before writing I get a LoginException instead of the " Tag not writable" one

[Adrian Stabiszewski]

I think, I have found the problem and fixed it in the repo.

You can download an new nfctools-examples.jar with all dependencies from:

http://www.grundid.de/nfc/nfctools-examples.jar

Give me a hint if this is working for you so I can create a new milestone for maven central.

Regards,

Adrian.

[Motosauro]

Man, you're great :)

Problem solved: I've been able to write and read also MifareClassic Tags

I also removed the slf4j library I explicitly imported in the project because it is contained in the nfctools-examples jar

Thanks a lot

2013/5/6 Adrian Stabiszewski <nit...@googlemail.com>

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[Kishikan]

I'm still receiving these errors...

SLF4J: Actual binding is of type [org.slf4j.impl.SimpleLoggerFactory]

May 06, 2013 12:20:15 PM org.nfctools.scio.TerminalHandler getAvailableTerminal

INFO: Checking terminal: ACS ACR122 0

doWithReaderWriter

org.nfctools.mf.MfLoginException: Login failed. Sector: 0, Block: 0 Key: A, Response: SW1: 99 SW2: 0

at org.nfctools.spi.acs.AcrMfClassicReaderWriter.loginIntoSector(AcrMfClassicReaderWriter.java:111)

at org.nfctools.spi.acs.AcrMfClassicReaderWriter.readBlock(AcrMfClassicReaderWriter.java:53)

at TheAppName.TheAppName$ReadCard.doWithReaderWriter(TheAppName.java:166)

at org.nfctools.mf.tools.AbstractCardTool.handleTag(AbstractCardTool.java:64)

at org.nfctools.NfcAdapter.onTag(NfcAdapter.java:78)

at org.nfctools.spi.acs.InitiatorTerminalTagScanner.handleCard(InitiatorTerminalTagScanner.java:71)

at org.nfctools.spi.acs.InitiatorTerminalTagScanner.run(InitiatorTerminalTagScanner.java:47)

at java.lang.Thread.run(Thread.java:722)

org.nfctools.mf.MfLoginException: Login failed. Sector: 1, Block: 0 Key: A, Response: SW1: 99 SW2: 0

at org.nfctools.spi.acs.AcrMfClassicReaderWriter.loginIntoSector(AcrMfClassicReaderWriter.java:111)

at org.nfctools.spi.acs.AcrMfClassicReaderWriter.readBlock(AcrMfClassicReaderWriter.java:53)

at TheAppName.TheAppName$ReadCard.doWithReaderWriter(TheAppName.java:166)

at org.nfctools.mf.tools.AbstractCardTool.handleTag(AbstractCardTool.java:64)

at org.nfctools.NfcAdapter.onTag(NfcAdapter.java:78)

at org.nfctools.spi.acs.InitiatorTerminalTagScanner.handleCard(InitiatorTerminalTagScanner.java:71)

at org.nfctools.spi.acs.InitiatorTerminalTagScanner.run(InitiatorTerminalTagScanner.java:47)

at java.lang.Thread.run(Thread.java:722)

org.nfctools.mf.MfLoginException: Login failed. Sector: 2, Block: 0 Key: A, Response: SW1: 99 SW2: 0

at org.nfctools.spi.acs.AcrMfClassicReaderWriter.loginIntoSector(AcrMfClassicReaderWriter.java:111)

at org.nfctools.spi.acs.AcrMfClassicReaderWriter.readBlock(AcrMfClassicReaderWriter.java:53)

at TheAppName.TheAppName$ReadCard.doWithReaderWriter(TheAppName.java:166)

at org.nfctools.mf.tools.AbstractCardTool.handleTag(AbstractCardTool.java:64)

at org.nfctools.NfcAdapter.onTag(NfcAdapter.java:78)

at org.nfctools.spi.acs.InitiatorTerminalTagScanner.handleCard(InitiatorTerminalTagScanner.java:71)

at org.nfctools.spi.acs.InitiatorTerminalTagScanner.run(InitiatorTerminalTagScanner.java:47)

at java.lang.Thread.run(Thread.java:722)

org.nfctools.mf.MfLoginException: Login failed. Sector: 3, Block: 0 Key: A, Response: SW1: 99 SW2: 0

at org.nfctools.spi.acs.AcrMfClassicReaderWriter.loginIntoSector(AcrMfClassicReaderWriter.java:111)

at org.nfctools.spi.acs.AcrMfClassicReaderWriter.readBlock(AcrMfClassicReaderWriter.java:53)

at theappname.TheAppName$ReadCard.doWithReaderWriter(TheAppName.java:166)

at org.nfctools.mf.tools.AbstractCardTool.handleTag(AbstractCardTool.java:64)

at org.nfctools.NfcAdapter.onTag(NfcAdapter.java:78)

at org.nfctools.spi.acs.InitiatorTerminalTagScanner.handleCard(InitiatorTerminalTagScanner.java:71)

at org.nfctools.spi.acs.InitiatorTerminalTagScanner.run(InitiatorTerminalTagScanner.java:47)

at java.lang.Thread.run(Thread.java:722)

Any ideas?

[Adrian Stabiszewski]

I'm sorry, but only looking at the stack trace I cannot tell you what is wrong. 

Can you share your complete project?

[Fermín Teuctzintli Vázquez Pérez]

Hello, 

Can you please help me. 

What are those changes. i have updated the project with the one actually in the repository, but i gettin the same response as the partner above writing on MIFARE CLASSIC 4K

Login failed. Sector: 1, Block: 0 Key: B, Response: SW1: 99 SW2: 0

[jave....@gmail.com]

Have you solved it?

[aghile...@gmail.com]

Hello,

Can you tell me what are the changes that you made because i'm getting the same issue?

Thanks,
Aghiles.

[aghile...@gmail.com]

HI,

After some time of investigation i found my problem. It is due to my reader acr128u because in the beginning i made some changes to the Api in order to support it, but it was not enough.
If someone is in the same case as me, my modification of the Api (attached to this response) can save you some time end effort ;).

Thank you Adrian for your Api.

Cheers,
Aghiles.

PS: This will work only for a reader acr128u.

[Kings K]

Hello Marco, I am very new to this, would you please help me with your project as a guideline please?