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 15 matches

by Classicni
Thu Jun 17, 2021 12:01 am
Forum: Algorithm School
Topic: AES-CMAC calculation
Replies: 2
Views: 12795

Re: AES-CMAC calculation

I'm also a beginner, I saw your code, maybe there is no dofinal() function after the init() function. you can refer to the tool page: https://javacardos.com/tools and the Wikipedia page: https://www.javacardos.com/wiki/ it have the online tools and some demo Samples of Algorithm. I have learned a lo...
by Classicni
Wed Jan 09, 2019 10:17 pm
Forum: Shopping FAQ
Topic: Feitian JuBiter Blade
Replies: 3
Views: 16383

Feitian JuBiter Blade

I am interested in Feitian JuBiter Blade Cryptocurrency Hardware Wallet , I wonder if this wallet must work with app on mobile phone? If yes,once I buy one sample, will you send the app to me? Or need I also buy the APP together?
Thanks for any reply.
by Classicni
Mon May 15, 2017 3:32 am
Forum: Questions & Answers
Topic: Looking for a java card development tool for Linux
Replies: 2
Views: 5787

Re: Looking for a java card development tool for Linux

Thanks for your help. I am going to have a try.
by Classicni
Sun May 14, 2017 11:07 pm
Forum: Questions & Answers
Topic: Looking for a java card development tool for Linux
Replies: 2
Views: 5787

Looking for a java card development tool for Linux

I have changed my computer OS from Windows7 to Linux. But I cannot find appropriate java card development enviroment on Linux. Both JCIDE and Eclipse(JCOP tool) can not work under this OS. Could anyone recommend a java card development tool for Linux? Thanks.
by Classicni
Mon May 08, 2017 1:52 am
Forum: Questions & Answers
Topic: JCOP card chip speed
Replies: 3
Views: 6194

JCOP card chip speed

I have bought 5pcs JCOP cards from the online store. Does anybody know the chip speed? I need to know the chip speed. Is there any APDU command or other methods to help me to get this ?
by Classicni
Sun Mar 12, 2017 10:35 pm
Forum: Questions & Answers
Topic: Specify the right interface for my code
Replies: 2
Views: 5246

Re: Specify the right interface for my code

Thanks for your help. It indeed helps.
by Classicni
Thu Mar 09, 2017 4:08 am
Forum: Questions & Answers
Topic: Specify the right interface for my code
Replies: 2
Views: 5246

Specify the right interface for my code

I have finished an applet but there is a special point. Part of my code should run only under contact interface, and some of them should run only under contactless interface. So now my question is how to specify the right interface for my code. Is there any method to specify the interface firstly be...
by Classicni
Tue Mar 07, 2017 4:12 am
Forum: Questions & Answers
Topic: Does JCIDE support HMAC?
Replies: 3
Views: 6118

Re: Does JCIDE support HMAC?

Do you know other IDE for java card applet development?A free IDE IS BETTER.
by Classicni
Mon Mar 06, 2017 11:46 pm
Forum: Questions & Answers
Topic: Does JCIDE support HMAC?
Replies: 3
Views: 6118

Does JCIDE support HMAC?

I am going to use JCIDE to code my own applet, which requires HMAC. So I wonder if JCIDE support HMAC. THANKS.
by Classicni
Thu Jan 05, 2017 10:52 pm
Forum: Questions & Answers
Topic: java card performance
Replies: 2
Views: 5033

java card performance

Could somebody tell me how slow 3DES or RSA algorithms will run on a java card with 8K EEPROM? Thanks in advance.
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