6f00

Valks

Thank you very much for your help, BrooksIQ. It saved all my day. Much appreciated.

BrooksIQ

mypin.update(buffer, buffer[ISO7816.OFFSET_CDATA], buffer[ISO7816.OFFSET_LC]);

The second parameter of OwnerPIN.update() is the starting offset of your pin in the given array.
In your example command, your are using the content of the APDU buffer at offset 5. This may be the problem.

Valks

Process method public void process(APDU apdu){ byte buffer[] = apdu.getBuffer() ; byte byesRead = (byte) apdu.setIncomingAndReceive(); if ( ( buffer[ISO7816.OFFSET_CLA] == 0) && (buffer[ISO7816.OFFSET_INS] == (byte) 0xA4)) return; switch ( buffer[ISO7816.OFFSET_INS] ){ case GET_INS: get_ins(...

BrooksIQ

You may also try to add a try/catch clause to confirm which exception is thrown.
.

BrooksIQ

0x6F00 is usually returned by the card when an exception is not caught.
Could you show us your process method ?

Valks

Your problem may be caused by this line: byte byteRead = (byte) apdu.setIncomingAndReceive(); Thank you so much for your pointer. Now I can check my pin successfully.But I still have another question. I wrote a simple method to update the PIN. I can update the pin, but when I call the verify method...

BrooksIQ

Your problem may be caused by this line:

byte byteRead = (byte) apdu.setIncomingAndReceive();

Valks

When I debugged my applet, it always returned error status word 0x6F00. Is it possible to catch the reason of this error ? OwnerPIN mypin; private FirstApp(byte bArray[], short bOffset, byte bLength){ backSomething = new byte[BS_LENGTH]; mypin = new OwnerPIN(PIN_TRY_LIMIT, MAX_PIN_SIZE); byte pin[]=...

Crawford

A status word of 0x6F00 is an Unknown Error.

You could try inserting debug code to see what line of code is failing. Add the following line of code near the start and keep moving/redploying and see when you start getting 6F00 instead of 1234.

Code: Select all

ISOException.throwIt((short)0x1234);

tomc2016

I changed the sig_buffer to 200, and the sign function is working now

,but the verify function still throws error 0x6F00.

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