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 17 matches

by nikonai
Fri Dec 02, 2016 3:59 am
Forum: Questions & Answers
Topic: JCIDE supports HMacKey ???
Replies: 3
Views: 8397

JCIDE supports HMacKey ???

I imported a project in JCIDE, but when I compiled the applet, it returned error about HMacKey: "cannot find symbol"
Does JCIDE support HMACKey computation?
by nikonai
Tue Nov 08, 2016 5:21 am
Forum: Algorithm School
Topic: ECDSA Issue
Replies: 4
Views: 9329

Re: ECDSA Issue

I tried, 6F00 was still there. :cry:
by nikonai
Tue Nov 08, 2016 1:24 am
Forum: Algorithm School
Topic: ECDSA Issue
Replies: 4
Views: 9329

ECDSA Issue

I am using ECDSA to do signature. However, it always threw 6F00 during Install. I tried to debug and found the problem caused by the code below. I wonder how I can modify to avoid the problem? Please help me regarding this issue. objECDSAKeyPair= new KeyPair(KeyPair.ALG_EC_FP, KeyBuilder.LENGTH_EC_F...
by nikonai
Thu Jun 02, 2016 10:16 pm
Forum: Shopping FAQ
Topic: A22CR card to Portugal
Replies: 1
Views: 5891

A22CR card to Portugal

We want to buy several A22CR cards to do some test, maybe 5pcs. If A22CR performs well, we are planning to choose it for our project. I have some questions now and please find my questions below: 1. Can you deliver smart cards to Portugal? How long will it take to arrive here ? And shipping cost ? 2...
by nikonai
Tue Mar 15, 2016 1:54 am
Forum: Questions & Answers
Topic: Can two applets in separate package call each other?
Replies: 1
Views: 4553

Can two applets in separate package call each other?

I wrote two applets in separate package(class A in package 1; class B in package 2). I wonder if the two applets can import each other. I mean class A can import class B and class B can import class A. Does anyone know this?
by nikonai
Thu Feb 25, 2016 3:28 am
Forum: Communication
Topic: how the card reacts to faulty ISO7816 APDUs
Replies: 3
Views: 9571

how the card reacts to faulty ISO7816 APDUs

If I am sending a 3-byte long(OC,faulty) first inter-industry APDU to the card, who should detect the error?

Are there any specifications in the Java Card related specs which shows how the card reacts to faulty ISO7816 APDUs?

Thanks a bunch!
by nikonai
Mon Feb 22, 2016 4:57 am
Forum: Questions & Answers
Topic: Get 6C80 in the response APDU
Replies: 1
Views: 4755

Get 6C80 in the response APDU

Here is part of my applet code which is to handle specific APDU command : ... private void updateCardMetaData(APDU apdu){ byte[] buffer = apdu.getBuffer(); short len = (short) (buffer[ISO7816.OFFSET_LC] & 0x00FF); cardMetaData= processCardMetaData(buffer,len); short length =(short) cardMetaData....
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