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 13 matches

by leogen
Mon Oct 08, 2018 3:59 am
Forum: Questions & Answers
Topic: Fingerprint Demo
Replies: 4
Views: 10954

Re: Fingerprint Demo

Hi, have you contaced javacardos Team, I am working on the similar project and I also want to get this demo.Have you got any response?
I will be grateful for any response.
by leogen
Mon Oct 08, 2018 3:35 am
Forum: Questions & Answers
Topic: JCIDE offline Registration code
Replies: 1
Views: 5456

Re: JCIDE offline Registration code

You can get this code easily.

https://www.javacardos.com/tools/jcide_register.html

Open your "Profile" page, you will see this code.
by leogen
Mon Jun 19, 2017 4:27 am
Forum: Questions & Answers
Topic: How to use APDU instance in install method
Replies: 3
Views: 8132

Re: How to use APDU instance in install method

Is there any way to get CPLC information in install() method?
by leogen
Sun Jun 18, 2017 10:31 pm
Forum: Questions & Answers
Topic: How to use APDU instance in install method
Replies: 3
Views: 8132

How to use APDU instance in install method

I want to use OPSystem.getCPLCData(javacard.framework.APDU apdu, short apdu_offset, short cplc_offset, short length) in install() method. But APDU is not accessible in install method. Here is my code: public static void install(bytes[] bArray, short bOffset, byte bLength){ short apdu_offset = (short...
by leogen
Tue Jan 17, 2017 5:23 am
Forum: Questions & Answers
Topic: Create instances for classes
Replies: 1
Views: 5522

Create instances for classes

I have separate packages in my project and I need to create instances for all classes in this packages. I create instance of class by the below code. But I have problem with deleting my packages and applet after I call Digest.getInstance(). I need to implement clearInstacePool() method to set refere...
by leogen
Thu Sep 01, 2016 1:59 am
Forum: Questions & Answers
Topic: change JCOP1018 CARD ATR
Replies: 1
Views: 5169

change JCOP1018 CARD ATR

Dear JavaCardOS team members,

I have bought JCOP10/18 V2.3.1 cards. But I want to change the card ATR now, do you have any scripts/tool that can change this card's ATR?

thanks
by leogen
Thu Jun 02, 2016 8:14 am
Forum: Questions & Answers
Topic: Have files on my card
Replies: 2
Views: 6570

Re: Have files on my card

For java card, you need to implement files yourself in data structures or arrays.
by leogen
Wed Apr 27, 2016 4:28 am
Forum: Questions & Answers
Topic: Does extended length APDU affect calculation of C-MAC
Replies: 3
Views: 9695

Re: Does extended length APDU affect calculation of C-MAC

GP does not specify the size of Lc or Le. It says to adjust the Lc for instance but doesn't specify how big Lc is.
by leogen
Tue Mar 15, 2016 3:42 am
Forum: Communication
Topic: How to get source code from the cap file
Replies: 4
Views: 27550

How to get source code from the cap file

I am given a CAP file. Is there any way to get source code from the cap file ?
by leogen
Mon Jan 25, 2016 11:31 pm
Forum: Questions & Answers
Topic: Unsigned Short in java card
Replies: 1
Views: 6050

Unsigned Short in java card

Hi there!
Is there any equivalent of the C type unsigned short in java card? i.e. 16 bit size and ranging from 0-65535?
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