Our Online Store have the new products: RFID antenna board. Currently it can work with JC10M24R and JCOP4 card chips.
Compared with normal cards, the antenna board module has a smaller size and fixed holes, which is easy to integrate in the IOT(Internet Of Things) project.

Search found 16 matches

by Valks
Mon Apr 23, 2018 4:36 am
Forum: Products Release
Topic: JCKit JAVACOS_1.0.5.39 released
Replies: 2
Views: 23194

Re: JCKit JAVACOS_1.0.5.39 released

Is this version the latest release version?
by Valks
Fri Feb 23, 2018 11:15 pm
Forum: Shopping FAQ
Topic: How can I know how many logical channels does my card support?
Replies: 1
Views: 14925

How can I know how many logical channels does my card support?

How can I know how many logical channels does my card support? such as the JC30M48CR.
by Valks
Thu Aug 24, 2017 3:50 am
Forum: Questions & Answers
Topic: How to catch the reason of error 6F00
Replies: 7
Views: 16552

Re: How to catch the reason of error 6F00

Thank you very much for your help, BrooksIQ. It saved all my day. Much appreciated.
by Valks
Thu Aug 24, 2017 2:59 am
Forum: Questions & Answers
Topic: How to catch the reason of error 6F00
Replies: 7
Views: 16552

Re: How to catch the reason of error 6F00

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(...
by Valks
Wed Aug 23, 2017 6:48 am
Forum: Questions & Answers
Topic: How to catch the reason of error 6F00
Replies: 7
Views: 16552

Re: How to catch the reason of error 6F00

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...
by Valks
Tue Aug 22, 2017 11:44 pm
Forum: Questions & Answers
Topic: How to catch the reason of error 6F00
Replies: 7
Views: 16552

How to catch the reason of error 6F00

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[]=...
by Valks
Wed Aug 09, 2017 1:45 am
Forum: Questions & Answers
Topic: Scratch buffer and APDU buffer
Replies: 1
Views: 5542

Scratch buffer and APDU buffer

There are 2 buffers for t=0 protocol in Javacard 3.0, namely Scratch buffer and APDU buffer,
why do we need 2 buffers?
by Valks
Mon Jul 24, 2017 3:29 am
Forum: Questions & Answers
Topic: ROM applet
Replies: 1
Views: 5529

ROM applet

I always use APDU tool to download and install my applet in to card. Now I would like to develop in the embedded sector and not smartcards. Does anyone know whether there is a way to use the JCVM without at least the APDU stuff?
Does anyone know more details about ROM applets? Thanks...
by Valks
Fri May 26, 2017 1:56 am
Forum: Questions & Answers
Topic: How to know key reference value
Replies: 1
Views: 5426

How to know key reference value

Inside the data field of Manage Security Environment APDU command, I have to put key reference of the authentication key. Beside authentication key, I also have signing key and the decryption key. From where that key reference value is read. Do somebody know how can I get this key referebce value? T...
by Valks
Thu Dec 29, 2016 1:50 am
Forum: Reader
Topic: Does feitian have landing contact card reader?
Replies: 5
Views: 10850

Re: Does feitian have landing contact card reader?

Hooben wrote:Our website still in maintain, after done, you will found it. I will keep you update, thanks


Thanks for your prompt reply. I will keep an eye on this product.
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