[TapLinx Support]

Dear Treeway,

Error returned is 0x6700 as can be seen, with CLA (ISO7816 APDU) value of 0x00. As per DesFIRE datasheet it means "Wrong or inconsistent APDU length". You are sending just 0x60 byte. Which command would you like to send?

Best regards,
TapLinx team

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[TapLinx Support]

Dear Ritesh,

Details on Authentication are part of MIFARE DesFIRE datasheet.

Example with use of TapLinx SDK is within "TapLinx example application", file WriteActivity.java, line 1162.

Best regards,
TapLinx team

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[TapLinx Support]

Dear Liban,

In order that SDM is working, also UID mirroring needs to be enabled, you need to set Offset positions for each as well. Something like:

`fileSettings.setUIDMirroringEnabled(true);
fileSettings.setUidOffset(new byte[] { (byte) 0x1A, (byte) 0x00, (byte) 0x00 });
fileSettings.setSdmMacOffset(new byte[] {(byte) 0x42, (byte) 0x00, (byte) 0x00 });
fileSettings.setSdmMacInputOffset(new byte[] {(byte) 0x42, (byte) 0x00, (byte) 0x00 });
fileSettings.setSdmReadCounterOffset(new byte[]{(byte) 0x29, (byte) 0x00, (byte) 0x00});
fileSettings.setSdmAccessRights(new byte[]{(byte) 0x12, (byte) 0xFE}); //FileAR.SDMMetaRead (ENCPICCData) key = 0xE, FileAR.SDMFileRead (CMAC) key = 0x2, RFU = 0xF, FileAR.SDMCtrRet key = 0xE
ntag424DNATT.changeFileSettings( (byte) 0x02, settings);`

Best regards,
TapLinx team

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[TapLinx Support]

Dear Sameer,

Please check following:
- Application with ID F013F2 is created on the MF DF
- Application is selected (with SELECT) command before you are trying to Authenticate.

Thank you and best regards,
TapLinx team

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[TapLinx Support]

Dear users,

Sorry for the inconvenience. We faced user authentication fails. Issue has been solved.

Happy coding in 2022.

Best regards,
TapLinx team

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[TapLinx Support]

Hello Daniel,

Is it "Data 1" ASCII converted to HEX? What is the line where you assign the value to "data" variable? You are printing into a Log "dataToWrite" but in .writeData you are using "data".

Log.e("a",dataToWrite);
desFireEV1.writeData(0, 0, data,IDESFireEV1.CommunicationType.Echipered);

Best regards,
TapLinx team

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[TapLinx Support]

Dear Daniel,

Please post as well:

• data you write with which you do not see the issue
• data you write and you see the issue

Best regards,
TapLinx team

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[TapLinx Support]

Dear Florian,

This is a bug with Taplinx 1.8 and we are working to resolve this one for the next Release.

As of now, you can do a workaround and use another similar API that passes Communication Type as parameter and that shall work.

Use this API : writeRecord(final int fileNo, final int offsetInRecord,
final byte[] data, final CommunicationType comSettings)


The above API is similar to what you have, except that it takes one additional parameter Communication Type.


Thank you,
TapLinx team

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[TapLinx Support]

Dear Norbert.

Please check Release Note of TapLinx 1.8., chapter 1.1.:

Known issues for V1.8.
1) PLUS EV2 SL1 is not completely supported. PLUS Ev2 SL0 and SL3 are fully functional.

Best regards,
TapLinx team

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[TapLinx Support]

Dear Daniel,

Did you select targeted value file before?

Thank you,
TapLinx team

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[TapLinx Support]

Hello Florian,

Please excuse inconvenience. We are taking look at it and will respond as soon as possible.

Thank you,
TapLinx team

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[TapLinx Support]

Hello fperinel,

Are you trying to Authenticate on the PICC level or Application level?

Best regards,
TapLinx team

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[TapLinx Support]

Hello,

A "Value file" needs to be created on the MIFARE DesFIRE card, within Application. The Value file can be read with the GetValue command. The value can be manipulated
with Credit, Debit and LimitedCredit commands, respectively. Transactions confirmed by CommitTransaction commands.

Take a look to MIFARE DesFIRE datasheets. (search for DS on MIFARE DesFIRE Light webpage )

Best regards,
TapLinx team

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[TapLinx Support]

Hello,

At the moment there is no plan to support Android Flutter project.

Best regards,
TapLinx team

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[TapLinx Support]

Dear dexter,

Java Taplinx SDK
You can try using "apduExchange(byte[] apduData)"

found in:
com.nxp.nfclib.interfaces
Interface IApduHandler

Best regards,
TapLinx team

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