DESFire EV1 – invalidResponse: No Such Key

[Nicolò Cardana]

Hi,
I'm using the Advanced SDK and I'm trying to authenticate a DESFire EV1 card, with bad results.

I've created my key like this but replacing the bytes with my key for example '0xE9' etc

public static final byte[] MY_CARD_KEY = { (byte) 0x00, (byte) 0x00,

			(byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,

			(byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,

			(byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00 };

Then I've set my key in this way:

ks.formatKeyEntry(0, IKeyConstants.KeyType.KEYSTORE_KEY_TYPE_2K3DES);

ks.setKey(0, (byte) 0, IKeyConstants.KeyType.KEYSTORE_KEY_TYPE_2K3DES, MY_CARD_KEY);

And in the end into the desfire method I've put

desFire.connectL4();

desFire.authenticate(DESFire.AuthType.Native, 0, (byte) 0, 1, (byte) 0, null);

desFire.closeL4();

But I always catch into an exception: invalidResponse: No Such Key

What's going wrong?

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[David92]

Could you try changing authenticate parameter to this:

desFire.authenticate(DESFire.AuthType.Native, 0, (byte) 0, 0, (byte) 0, null);

I have changed your 1 to 0.
Let me know if this changes someting.

Best,
David

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[Nicolò Cardana]

I don't know why, but if I make this change i catch into "android.nfc.TagLostException: Tag was lost." exception.

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[David92]

Hm. Not expected that one.
Are you quickly removing the card ?

If not, are you using anywhere in your card (after authentication)

format()

method?

Also, could you put something into LogCat, right after

authenticate()

method ?
Like:

Log.d("TAG", "Checking if auth succesfull");

Because it could be the reason, that you are calling

close()

method immidieatly after authenticate, and that's why it could say Tag lost, because you "closed" the connection. You could try removing that line also to see what happens.

Best,
David

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[Nicolò Cardana]

No, I'm not. I've tried lots of times (always without removing the card) and it gives me the same error.

I'm not using

format()

method and I can't see the logcat message of successfully authentication.

So, I've also tried so remove the

close()

method but it didn't change anything, because the problem is before.

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[David92]

Another suggestion:

Try to do something with the DESFire, for example: create an Application on it, ignoring this Exception.
But I don't know still at which line of code you get this exception so it's hard to predict something specific.

Best,
David

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[Nicolò Cardana]

I've tried something like this

@Override

            public void onDESFireCardDetected(DESFire desFire) {

                super.onDESFireCardDetected(desFire);

                try {

                    try {

                        desFire.connectL4();

                    } catch (IOException e) {

                        e.printStackTrace();

                        Log.d("TAG", "Problem with connection");

                    }

                    try {

                        desFire.authenticate(DESFire.AuthType.Native, 0, (byte) 0, 0, (byte) 0, null);

                    } catch (IOException e) {

                        e.printStackTrace();

                        Log.d("TAG", "Problem with authentication");

                    }

                    Log.d("TAG", "Checking if auth succesfull");



                    byte[] UID = desFire.getCardUID();

                    String rfid = com.nxp.nfclib.utils.Utilities.dumpBytes(UID);



                    desFire.closeL4();



                    Toast.makeText(context, "DESFire UID: " + rfid, Toast.LENGTH_SHORT).show();



                } catch (DESFireException e) {

                    e.printStackTrace();

                    Toast.makeText(context, "Authentication failed.", Toast.LENGTH_SHORT).show();

                } catch (SmartCardException e) {

                    e.printStackTrace();

                } catch (GeneralSecurityException e) {

                    e.printStackTrace();

                } catch (IOException e) {

                    e.printStackTrace();

                }

            }

And it gives me "Problem with authentication"

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[David92]

Is it possible to see your entire source code for MainActivity ?
You could also copy / paste it in Pastebin page.

Best,
David

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[Nicolò Cardana]

I will do it in a couple of minutes, but if it can be useful, I've just tried to use the sample app edited with my key and it gives me the same error with the "0"

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[David92]

Yes, that is why I want to see your source code.
Because I always used only 6 byte Key with DESFire authentication and it worked in my case. I also used KEY_TYPE_MIFARE.

But when you have the code copied and I can take a look, something might come to my mind.

Best,
David

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[Nicolò Cardana]

http://pastebin.com/a9XhJE5k

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[David92]

could you change just for the test your KEY to

0xFF and only 6 bytes long ?

Because I cannot see from the code why it wouldn't work, all seems fine with me. You say that card gets detected, that means lib is initialized correctly. It also even connects to the card. But the error occurs during authentication, and what does authentication need:

AUTH TYPE
KEY NO
KEY VERSION
cardKeyNo,
divOption
divInput

And all the parameters you have in. Maybe also to try (if 0xFF 6 byte long won't work), to use AUTH TYPE ISO ?

David

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[Nicolò Cardana]

Always the same error. Too weird. Could it be the phone? I'm using a Samsung S4 with Android Lollipop

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[David92]

I have also Samsung S4, for which it is often that we get TagLost exception,but not with authentication stuff, this works for me.
Is your device rooted? Mine is not. But again, not sure if that would affect such stuff. I have still KitKat on it though if that would matter.

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[Nicolò Cardana]

No, mine is not rooted, too. This error is so strange because happens always with "0", independently from others parameters.

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