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 36 matches

by mbsysde99
Sun Feb 27, 2022 5:45 pm
Forum: Questions & Answers
Topic: Step-by-step implementation of SCP11
Replies: 18
Views: 21678

Re: Step-by-step implementation of SCP11

scplatform wrote:
Tue Sep 18, 2018 8:32 am
XVI.Reference
What type of javacard supports SCP 11?

Thanks
Yudha
by mbsysde99
Sun Feb 27, 2022 5:30 pm
Forum: Questions & Answers
Topic: J3H145 with SCP03
Replies: 2
Views: 5486

Re: J3H145 with SCP03

mabel wrote:
Mon Jan 21, 2019 9:09 pm
I have already asked this question several days ago.
I heard that javacardos team is working on this. They are developing a tool that can make java card J3H145 switch to SCP03.
Maybe you can ask javacardos@gmail.com for the progress.
How to use applets with SCP 03?

Thanks.
by mbsysde99
Fri Feb 25, 2022 11:49 pm
Forum: Questions & Answers
Topic: Can I debug applet executing in a real javacard?
Replies: 1
Views: 4453

Re: Can I debug applet executing in a real javacard?

Debug your applet with a virtual reader, after confirming that there are no errors, download the .cap to the java card. How to use virtual reader in JCIDE (debug mode) https://www.youtube.com/watch?v=xX0O7PC0TIA How to download cap to java card (release mode) https://www.youtube.com/watch?v=9qT9Q4bt...
by mbsysde99
Fri Feb 25, 2022 1:45 am
Forum: Card Products
Topic: Java Card with SCP 03
Replies: 0
Views: 2343

Java Card with SCP 03

I created a loyalty-card application using JC30M48CR which used SCP 02.
I want to upgrade use SCP 03, what type of Java Card should I buy that is compatible with JC30M48CR features but uses SCP 03?

Thanks.
Yudha
by mbsysde99
Sat Feb 19, 2022 4:40 am
Forum: Questions & Answers
Topic: JCIDE crashes
Replies: 1
Views: 1043

Re: JCIDE crashes

Try to run JCIDE as administrator.
Right click on JCIDE icon >> select properties. Click advanced >> put a check mark on Run as Administrator >> OK >> OK

Look at here https://www.youtube.com/watch?v=6Lg3EVTexOo
by mbsysde99
Thu Feb 10, 2022 4:35 pm
Forum: Communication
Topic: Loyalty Card Demo - Issue Card
Replies: 1
Views: 3784

Re: Loyalty Card Demo - Issue Card

When doing an issued card, in the second row from the bottom process there is an APDU protocol like this. I've tried parsing using the apdu parser on this site, but failed. Can anyone explain to me, what is the function of this apdu? VReader:80 10 00 00 23 08 30 30 30 30 30 30 30 30 10 67 7B CD FD ...
by mbsysde99
Wed Feb 09, 2022 7:22 pm
Forum: Applets Development Guide
Topic: The ALgorithm of RSA Sample Code
Replies: 6
Views: 40943

Re: The ALgorithm of RSA Sample Code

Good morning. I'm trying to modify the RSA encrypt function using the private key instead of the public. Then I want to use the public to decrypt the message. some suggestion? tnx, The proccess RSA as encrypt/decrypt as follows: 1. Create RSA instance and Generate KeyPair (Pubic Key and Private Key...
by mbsysde99
Sun Feb 06, 2022 7:02 am
Forum: Questions & Answers
Topic: TCP Server on Javacard and how to access it from mobile
Replies: 1
Views: 1913

Re: TCP Server on Javacard and how to access it from mobile

If you want your `javacard` to be read by your `android phone`, you can create an `android program` as `a host` on your `android phone`. The `Java card` can be connected to an `Android phone` via an `NFC reader`. So your `Android phone must support NFC reader`. If your Android phone does not have an...
by mbsysde99
Fri Jan 28, 2022 11:42 am
Forum: Applets Development Guide
Topic: How to save variables to EEPROM of Java Card JC30M48CR
Replies: 1
Views: 1668

Re: How to save variables to EEPROM of Java Card JC30M48CR

A. PERSISTENT MEMORY 1. // Persistent Memory (EEPROM) = Memory still exist while lost power. // Without set as transient object, it immediately becomes a persistent object and save to EEPROM. byte[] SRC = new byte[]{1, 2}; OR 2. // Persistent Memory (EEPROM) = Memory still exist while lost power by...
by mbsysde99
Fri Jan 28, 2022 6:08 am
Forum: Applets Development Guide
Topic: How to save variables to EEPROM of Java Card JC30M48CR
Replies: 1
Views: 1668

How to save variables to EEPROM of Java Card JC30M48CR

I want to store a variable in memory that is not lost when the power supply is lost and I can update the contents of that memory while the program is running. In short, How to save variables to EEPROM of Java Card JC30M48CR? Thanks.

Regards,
Yudha
JavaCard OS : Disclaimer