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 8 matches: re:

Searched query: re

by afrascoi
Tue Jun 20, 2017 6:10 am
Forum: Shopping FAQ
Topic: JC10M128C card
Replies: 2
Views: 7443

Re: JC10M128C card

Thanks for your prompt reply. I will get some samples first.
by afrascoi
Fri Apr 28, 2017 5:59 am
Forum: Questions & Answers
Topic: pre-personalization on a J2A040 card
Replies: 4
Views: 11810

Re: pre-personalization on a J2A040 card

Wow, I used transport key as the AID in the SELECT command. it works. :D Many thanks for your help.
by afrascoi
Tue Dec 27, 2016 5:27 am
Forum: Questions & Answers
Topic: Checksum result is different between host and card
Replies: 4
Views: 7854

Re: Checksum result is different between host and card

I just found that Java CRC32 starts with an initial value 0xFFFFFFFF. So I set the card to 0xFFFFFFFF, it works. Now both the card and host checksum result is same. byte[] ini = new byte[]{(byte)0xFF, (byte)0xFF, (byte)0xFF, (byte)0xFF}; checksum.init(ini, (short)0, (short)ini.length); The problem w...
by afrascoi
Tue Dec 27, 2016 4:42 am
Forum: Questions & Answers
Topic: Checksum result is different between host and card
Replies: 4
Views: 7854

Re: Checksum result is different between host and card

My host code to creates a checksum Checksum checksum = new CRC32(); checksum.update(rawData, 0, rawData.length); long checksum_value = checksum.getValue(); Create checksum on card Checksum checksum = Checksum.getInstance(Checksum.ALG_ISO3309_CRC32, false); checksum.doFinal(data, (short)0, (short)dat...
by afrascoi
Fri Nov 11, 2016 5:21 am
Forum: Questions & Answers
Topic: bArray in JCRE
Replies: 3
Views: 7658

Re: bArray in JCRE

The size depends on the card. And you can't store them in a reference due to the JCRE applet firewall.
by afrascoi
Tue Sep 13, 2016 4:52 am
Forum: Shopping FAQ
Topic: too few types of goods
Replies: 2
Views: 7707

Re: too few types of goods

The types of goods are indeed less than common eshops.
by afrascoi
Mon May 16, 2016 4:29 am
Forum: Card Products
Topic: Finding the way to get KMC
Replies: 4
Views: 9903

Re: Finding the way to get KMC

Thanks for your help! I still have a problem. During personalization, where are the gp key come from? I mean ENC, MAC, DEK
by afrascoi
Mon May 16, 2016 3:16 am
Forum: Card Products
Topic: Finding the way to get KMC
Replies: 4
Views: 9903

Re: Finding the way to get KMC

Could I obtain these in an applet?
JavaCard OS : Disclaimer