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 9 matches

by RexLi
Wed Jan 31, 2018 3:52 am
Forum: Reader
Topic: Video Tutorial - How to use R502 SPY reader to send Mifare command
Replies: 4
Views: 30904

Re: Video Tutorial - How to use R502 SPY reader to send Mifare command

calais001 wrote:Modify the UID and use Clone function, Need to combine with R502 SPY (or LibSC Reader Kit).



https://javacardos.com/store/mifare-clone-1k.php


thanks, I have download the pyResMan from this link(https://javacardos.com/tools/pyresman.html). About the R502 SPY, can I use it directly after purchase ?
by RexLi
Tue Jan 23, 2018 3:57 am
Forum: Questions & Answers
Topic: CVM List with alternative AID
Replies: 1
Views: 5556

Re: CVM List with alternative AID

There is no answer? I want to learn, too.
by RexLi
Wed Mar 15, 2017 11:16 pm
Forum: Questions & Answers
Topic: Get 6D00 when sending Extended APDU
Replies: 7
Views: 14856

Re: Get 6D00 when sending Extended APDU

mabel wrote:It seems that your code doesn't have any question. Under which protocol do you use Extended APDU?


I sent Extended APDU via T0. Is there any question with this protocol?
by RexLi
Wed Mar 15, 2017 3:24 am
Forum: Questions & Answers
Topic: Get 6D00 when sending Extended APDU
Replies: 7
Views: 14856

Re: Get 6D00 when sending Extended APDU

My applet: public class RCApp extends Applet implements ExtendedLength { // Card status private final static byte ST_UNINITIALIZED = (byte) 0x01; private final static byte ST_INITIALIZED = (byte) 0x02; // Instructions private final static byte INS_INIT_UPDATE = (byte) 0x50; private final static byte...
by RexLi
Wed Mar 15, 2017 2:01 am
Forum: Questions & Answers
Topic: Get 6D00 when sending Extended APDU
Replies: 7
Views: 14856

Get 6D00 when sending Extended APDU

Hi. I have a problem about Extended APDU. When I sent extended APDU below to my card via pyapdutool, it returned 6D00,which means the INS parameter is not supported. But INS: 20 has been already defined in my code. It made me confused. Does anyone help me figure out the problem? Thanks a lot. CLA: 0...
by RexLi
Thu Mar 09, 2017 11:27 pm
Forum: Algorithm School
Topic: DES encryption with data length 132 byte
Replies: 2
Views: 7361

DES encryption with data length 132 byte

I have to use DES alg in my applet. But the length of Data are 132 bytes. So I wonder if it's feasible to implement DES encryption with data length 132 byte? skey = (DESKey) KeyBuilder.buildKey(KeyBuilder.TYPE_DES,KeyBuilder.LENGTH_DES3_2KEY, false); cDES = Cipher.getInstance(Cipher.ALG_DES_CBC_ISO9...
by RexLi
Sat Jan 07, 2017 4:25 am
Forum: Questions & Answers
Topic: write and read data from NVM
Replies: 3
Views: 7199

Re: write and read data from NVM

Can I make file on card's NVM ?
And if an applet is stored in NVM, which components the installer should insert to DF and when to insert to EF?
by RexLi
Thu Jan 05, 2017 10:34 pm
Forum: Questions & Answers
Topic: write and read data from NVM
Replies: 3
Views: 7199

write and read data from NVM

Can we write data on a java card's NVM without using java card applet? For example, write raw data into card NVM directly.
Is it possible to read card's NVM data without any authentication?
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