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 39 matches

by Crawford
Sun Jan 03, 2016 11:16 pm
Forum: Communication
Topic: Is there a java card parser for BER-TLV ?
Replies: 1
Views: 7820

Re: Is there a java card parser for BER-TLV ?

Please check the subject. And the length of tags and values ​​are not known. Any pointers? Hi, The code below may be helpful to you. public static Map<String, String> parseTLV(String tlv) { if (tlv == null || tlv.length()%2!=0) { throw new RuntimeException("Invalid tlv, null or odd length"...
by Crawford
Thu Dec 31, 2015 1:54 am
Forum: Communication
Topic: Have doubts with some terms in GlobalPlatform 2.1.1.
Replies: 1
Views: 6359

Re: Have doubts with some terms in GlobalPlatform 2.1.1.

Consider these as follows:
Executable Load File - .cap files contains class extend Applet
Executable Module - the class extend Applet
Load File Data Block - components in .cap files
by Crawford
Wed Dec 23, 2015 2:38 am
Forum: Card Products
Topic: JCOP cards
Replies: 1
Views: 6047

JCOP cards

Hey, does JCOP J3D081 card sold in your web shop support ECC algorithms by default?
by Crawford
Wed Dec 09, 2015 10:35 pm
Forum: Questions & Answers
Topic: JCIDE - login error
Replies: 1
Views: 6415

JCIDE - login error

I did a stupid thing. I forget the login password. And I tried many times, it always told me "Password error". But later, it showed "Login error". Did this mean my account was locked or something else?

Login_error.png


What can I do now? How can I login successfully again?
by Crawford
Fri Nov 27, 2015 2:55 am
Forum: Card Products
Topic: files in eJava Token
Replies: 2
Views: 7021

files in eJava Token

I have installed two applets into eJava Token. I use pyAPDUTool to list the APPLET-AID, as follow, appletlist.png Here are my questions: - Where are the two applets in the eJava token? in MF or DF? - Is there any way to see the AID of MF and all the other EFs and DFs of eJava token? - How I can crea...
by Crawford
Thu Nov 19, 2015 1:28 am
Forum: Card Products
Topic: How does JCOP card support SCP01/02/03 simultaneously?
Replies: 1
Views: 6674

Re: How does JCOP card support SCP01/02/03 simultaneously?

JCOP card can't support scp01/02/03 at the same time.
In my opinion, this datasheet just wanna tell us their card can be able to support scp01, scp02, scp03. But in fact you should only select one of them everytime.
by Crawford
Tue Oct 27, 2015 8:39 am
Forum: Card Products
Topic: How to export certificates to a java token
Replies: 1
Views: 5594

How to export certificates to a java token

Could anybody tell me how I can export certificates to a ejava token ? Thanks a lot.
by Crawford
Wed Sep 23, 2015 6:51 am
Forum: Questions & Answers
Topic: how to store data into the mass storage flash memory
Replies: 2
Views: 6494

how to store data into the mass storage flash memory

Some key features of my card are as follows: 78K EEPROM; 2GB flash memory

I am writing a cardlet and I need to store plenty of data into it.

My question is how to store data into the mass storage flash memory.
Anyone knows?
by Crawford
Fri Sep 18, 2015 1:16 am
Forum: Card Products
Topic: Compare A40CR with JCOP
Replies: 1
Views: 5473

Compare A40CR with JCOP

I have always used JCOP card before. But I just saw IFD A40CR card in your STORE. I become very interested in this card.
What is difference between A40CR and JCOP?
Compared with JCOP card, how about A40CR card's performance ?
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