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Search found 24 matches

by mhsnmaghsoodloo
Mon Nov 20, 2017 11:02 am
Forum: Questions & Answers
Topic: SMS encryption and decryption by SIM-Card (USIM)
Replies: 0
Views: 348

SMS encryption and decryption by SIM-Card (USIM)

Hello everyone, I Want to write a javacard applet for SIM-Card (USIM) to encrypt and decrypt SMS for specific number. i don't want to install any application on mobile phone and SIM-card applet has to detect the message is belong to specific number and encrypt or decrypt it. Can i write such javacar...
by mhsnmaghsoodloo
Wed Sep 27, 2017 1:43 am
Forum: Questions & Answers
Topic: Sinus and Cosinus calculation in javacard?
Replies: 5
Views: 629

Re: Sinus and Cosinus calculation in javacard?

mabel wrote:Just try to use Look-up table method.

Define an array with size 360 bytes, direct look up the table to calculate sinus and cosinus.

Thank you very much mabel.
by mhsnmaghsoodloo
Tue Sep 26, 2017 2:27 pm
Forum: Questions & Answers
Topic: Sinus and Cosinus calculation in javacard?
Replies: 5
Views: 629

Sinus and Cosinus calculation in javacard?

Hello everyone,
I want to calculate sinus and cosinus in javacard. what is the best and fastest solution?
Thank a lot.
by mhsnmaghsoodloo
Wed Jun 21, 2017 1:37 am
Forum: Questions & Answers
Topic: implement globalplatform SCP 03 KDF and PRF in javacard
Replies: 3
Views: 793

Re: implement globalplatform SCP 03 KDF and PRF in javacard

Thank you for your reply.
I saw globalplatformpro before and i used it in my host side. but i want an implementation for card side (Javacard implementation).
Anyway thank you very much.
by mhsnmaghsoodloo
Tue Jun 20, 2017 7:01 am
Forum: Questions & Answers
Topic: implement globalplatform SCP 03 KDF and PRF in javacard
Replies: 3
Views: 793

implement globalplatform SCP 03 KDF and PRF in javacard

I want to implement Globalplatform SCP 03 protocol in javacard. The main problem is KDF and PRF implementation in card. I have three question: 1- Is there any opensource implementation of KDF and PRF in javacard? 2- I found "RandomData.getInstance(RandomData.ALG_PSEUDO_RANDOM);". there is ...
by mhsnmaghsoodloo
Sun May 14, 2017 6:43 am
Forum: Questions & Answers
Topic: How to reduce the size of javacard applet
Replies: 3
Views: 453

Re: How to reduce the size of javacard applet

Thank you very much, it was great answer.
by mhsnmaghsoodloo
Tue May 09, 2017 8:24 am
Forum: Questions & Answers
Topic: How to reduce the size of javacard applet
Replies: 3
Views: 453

How to reduce the size of javacard applet

Hello everyone, I wrote an applet which has 19 KB size on disk. It has three classes. The first one is extended from Applet, the second one has static functions and third one is a class that i create an instance from it in my applet. I have three questions: 1- Is there any way to find out how much s...
by mhsnmaghsoodloo
Mon Nov 21, 2016 4:33 am
Forum: Applets Development Guide
Topic: Sharing object between different applet...
Replies: 14
Views: 2904

Re: Sharing object between different applet...

Can you show me the components of the CAP? Open Cap file with zip program (I use 7zip), like this: cap_components.png I think the debug component causes the different of CAP file size generated by NetBeans and JCIDE. You can disable debug component in JCIDE project settings and generate CAP again. ...
by mhsnmaghsoodloo
Sat Nov 19, 2016 11:27 am
Forum: Applets Development Guide
Topic: Sharing object between different applet...
Replies: 14
Views: 2904

Re: Sharing object between different applet...

The EXP file is not needed. Only add the interface file to your project. I tested, all OK. My package view like this: shareable_inteface_client.png Note: 1 In new project, the AID of interface package shall be same as server package; 2 Load server CAP file before load client CAP; Thanks a lot, firs...
by mhsnmaghsoodloo
Thu Nov 17, 2016 2:15 am
Forum: Applets Development Guide
Topic: Sharing object between different applet...
Replies: 14
Views: 2904

Re: Sharing object between different applet...

Give them the Interface source file. And docs to use the interface method(s). Yes you are right. But i couldn't create cap file file server.exp file. I use netbeans to compile and convert my project. but it says export file serverpackage.exp of package serverpackage not found. i create serverpackag...
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