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

by sdellava
Sat Nov 21, 2020 12:16 pm
Forum: Algorithm School
Topic: curve25519
Replies: 0
Views: 8629

curve25519

Hallo Javacaders, I've tried this project from Dr. David Oswald (I wrote to hin too, but I get no answer at the moment): https://github.com/david-oswald/jc_curve25519/ I downloaded the .cap on a JC10M24R and other sold in the store, but the applet, but I get this error in installing: INSTALL [for in...
by sdellava
Fri Mar 15, 2019 5:27 am
Forum: Card Products
Topic: C++ programmable smartcard
Replies: 1
Views: 15214

C++ programmable smartcard

Dears, I need to program a SC using C++

The reason is that I've a complex code that is strong to be executed so I hope that a lower lever programming will be faster.

NFC interface needed.

Any suggestion ?

S
by sdellava
Thu Dec 27, 2018 2:23 pm
Forum: Open Source Applets
Topic: NDEF applet debugging
Replies: 0
Views: 27299

NDEF applet debugging

Hallo. I've modified the NDEF applet (openjavacard NDEF) to update the NDEF field when the applet is selected. When I use the card with the PyApduTool I can correctly interact whit the applet using the standard NCF Forum TAG 4 command. But when I use the smartphone it sound and do not respond. Even ...
by sdellava
Wed Dec 19, 2018 11:58 am
Forum: Open Source Applets
Topic: javacard ndef applet
Replies: 18
Views: 61863

Re: javacard ndef applet

Solved. The problem was the wrong AID. But I need support on a different point: how to install the STUB version on a javacard? I suppose I've to create two applet, one is the NDEF Stub and the second is my applet. But how my applet can call the STUB ? In addition, the STUP version has two java file....
by sdellava
Mon Dec 17, 2018 7:10 am
Forum: Open Source Applets
Topic: javacard ndef applet
Replies: 18
Views: 61863

Re: javacard ndef applet

Hi,

I've a similar error but the card is this one: https://www.javacardos.com/store/products/10002

It should be compliant with the NDEF.

Any suggestion ?
by sdellava
Sat Dec 08, 2018 11:24 am
Forum: Applets Development Guide
Topic: The ALgorithm of RSA Sample Code
Replies: 6
Views: 42425

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,
by sdellava
Sun Dec 02, 2018 6:22 am
Forum: Applets Development Guide
Topic: Video Tutorial - How to download CAP file to smart card?
Replies: 36
Views: 86211

Re: Video Tutorial - How to download CAP file to smart card?

Hallo. I'm having trouble in download an basic applet to my cards. I'm using a ACS ARC122 0, the ATR is 3B 8E 80 01 80 31 80 66 43 53 14 2B 00 00 83 00 90 00 64 I've been told the card is a V3.0.6 so I'm using the java_card_kit-3.0.4 to buld the cap file. When I click in download I receive this outp...
by sdellava
Sat Oct 27, 2018 8:08 am
Forum: Card Products
Topic: JCOP tad
Replies: 0
Views: 13379

JCOP tad

Hallo,

I need the same feature of a JAVA Card in a sticker shape. Does anyone have an idea where I can buy them ?
JavaCard OS : Disclaimer