Christmas is coming soon! To thank for the support from all our dear customers, Christmas promotional activity is going on in JavaCardOS online store. For more activities details, please check this post.

Search found 6 matches

by OSSAMA
Fri Sep 21, 2018 11:48 am
Forum: Communication
Topic: Android Application to send and receive APDU commands and Responses
Replies: 0
Views: 534

Android Application to send and receive APDU commands and Responses

Hi Everyone
I need to send a set of APDU commands by an Android application to a Java Contactless Card and receive back the responses.
Is there any publicly available application to do that?
Best Regards
Ossama
by OSSAMA
Fri Aug 31, 2018 8:09 am
Forum: Applets Development Guide
Topic: Combine two byte array and encrypt them togethor
Replies: 0
Views: 426

Combine two byte array and encrypt them togethor

hello everyone, I need to combine two arrays and then encrypt the combined array with my AES. the first part ( the first array is the Card_Static_Information) and the second part (the second array is the outcoming response data) which will be stored in the buffer. I have tried many ways but still, n...
by OSSAMA
Wed Aug 15, 2018 7:33 am
Forum: Applets Development Guide
Topic: HOW TO DEAL WITH THE COMMAND DATA ??
Replies: 1
Views: 595

HOW TO DEAL WITH THE COMMAND DATA ??

Dear All, Thank you in advance as I am new to the Java card technology. I am trying to check the first byte in the command data as shown in the example code. I have declared the apduBuffer as byte[] apduBuffer = apdu.getBuffer(); my problem is the code always process the else and never ever do the i...
by OSSAMA
Tue May 29, 2018 1:55 pm
Forum: Applets Development Guide
Topic: Wallet Applet, I can not select it !!!
Replies: 3
Views: 565

Re: Wallet Applet, I can not select it !!!

Dear Leopard, thanks for your answer which I believe it is about the install parameters. however, I could not fix it until now as you can see in the following >> install 1122334455 112233445500 112233445500 >> 80 E6 0C 00 1A 05 11 22 33 44 55 06 11 22 33 44 55 00 06 11 22 33 44 55 00 01 00 02 C9 00 ...
by OSSAMA
Tue May 22, 2018 7:37 am
Forum: Applets Development Guide
Topic: Wallet Applet, I can not select it !!!
Replies: 3
Views: 565

Wallet Applet, I can not select it !!!

hello everone, I am new to the java card. I start to learn about it by implmenting the wallet applet. but when I tried to select the applet by sending >> /select 112233445500 >> 00 A4 04 00 06 11 22 33 44 55 00 00 I got the R-APDU << 6A 82 File or application not found I have checked the AID and it ...
by OSSAMA
Sun Mar 19, 2017 9:01 am
Forum: Questions & Answers
Topic: Contactless card payment
Replies: 2
Views: 519

Contactless card payment

Dear all,
does Java card support Contactless card payment ?
thanks
JavaCard OS : Disclaimer