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Search found 10 matches

by Elisadl
Thu Sep 29, 2016 8:18 am
Forum: Questions & Answers
Topic: Memory size of JC10M24R
Replies: 6
Views: 2595

Memory size of JC10M24R

Your website has said that JC10M24R card's NVM: 23KB RAM: 3KB. But when I used JCAlgTest to test the card, the memory size showed in the result is smaller than what you said. Where does the difference come from? JCSystem.getVersion()[Major.Minor];3.0; JCSystem.isObjectDeletionSupported;yes; JCSystem...
by Elisadl
Mon Sep 05, 2016 1:23 am
Forum: Questions & Answers
Topic: Suggestions for JCIDE
Replies: 3
Views: 1875

Suggestions for JCIDE

I have used JCIDE for sometime. It's an excellent tool on the whole, but I think it still can be more excellent. Here are two suggestions for JCIDE: 1. Add more shortcut keys function. e.g. CTRL + M to call out the function list... 2. Improve ECC debug function in JCIDE simulator. e.g. support the p...
by Elisadl
Thu Sep 01, 2016 11:05 pm
Forum: Reader
Topic: Install R502 reader under CentOS
Replies: 1
Views: 1680

Install R502 reader under CentOS

Does anyone know how to install the smartcard reader R502 driver under CentOS? It seems that it can not recognize the reader.
by Elisadl
Thu Jul 14, 2016 8:56 am
Forum: Other Tools
Topic: error occurred when activating JCOP tool
Replies: 2
Views: 3957

Re: error occurred when activating JCOP tool

Try to use JCIDE. It also can be used for java card applet development. And it's free of charge.
by Elisadl
Mon Jun 27, 2016 2:57 am
Forum: Questions & Answers
Topic: the structure of context in java card
Replies: 2
Views: 1494

the structure of context in java card

Hi everybody in here! I am designing all the structures in java card, which include Frame, Context.. But I didn't know Context structure. Does anyone know the structure of context in javacard? For example, the structure of Frame is typedef struct frame { u1 last_pc; u2 *lvars; u2 *ostack; method_inf...
by Elisadl
Sat May 28, 2016 3:53 am
Forum: Card Products
Topic: the antenna size of A40CR
Replies: 1
Views: 1582

the antenna size of A40CR

I am interested in buying some A40CR cards from your eshop. As we all know, the size of antenna will affect communication distance, so this point is very important for us! Does the A40CR card have full size antenna or half size antenna?
by Elisadl
Tue Mar 15, 2016 5:51 am
Forum: Questions & Answers
Topic: How to save the key in RAM?
Replies: 1
Views: 1318

How to save the key in RAM?

I am trying to use two AESKeys in my Applet for encrypted communication between the card and the host. public class MyApplet extends Applet { private AESKey host_key; private AESKey card_key; public MyApplet(byte[] bArray, short bOffset, byte bLength) { host_key = (AESKey)KeyBuilder.buildKey(KeyBuil...
by Elisadl
Wed Feb 17, 2016 2:56 am
Forum: Questions & Answers
Topic: Return 6985 when deleting package on card
Replies: 2
Views: 1858

Re: Return 6985 when deleting package on card

mabel wrote:Could you please show us your "DELETE" APDU command? I think that your command may have something wrong.


Thanks for your prompt. It's my fault. I used the "DELETE" command in wrong way.
by Elisadl
Mon Feb 15, 2016 5:22 am
Forum: Questions & Answers
Topic: Return 6985 when deleting package on card
Replies: 2
Views: 1858

Return 6985 when deleting package on card

I got 69 85 when I tried to delete an package from my card. I looked up its meaning.
sw=6985: conditions not satisfied

There is only one package on my card. Why can't I delete this package?
Please tell me where I did wrong.
by Elisadl
Tue Jan 26, 2016 11:14 pm
Forum: Questions & Answers
Topic: Static class variables in javacard applet
Replies: 2
Views: 2021

Static class variables in javacard applet

Hi folks! I have some doubts about static class variables in javacard applet. Q1: Why should I never use static class variables in java card applets or to use it very carefully ? Q2: Why does the Static variables are stored in heap and what are the issues in using them? Hope someone clarify my doubt...
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