Javacard applet RPDU does not contain any data when accessed from seek-for-android

Question

I have a complex Javacard applet, which is developed and tested for ordinary Smart Card (e. g. NXP J3E145, T=1). Now I have to use it in UICC in a mobile phone and access it fro

Answer 1

The main problem is with the Open Logical channel i suppose. may be the card is not supporting logical channel. Try Open Basic channel.

and u are not getting any response data because, the Le part is not set. CLA, INS, P1, P2, (Le), Data ..If you are setting your Le field to 00 you should get full back response as the total number of bytes available. Again if you send the number of bytes you need suppose XX then pass it and you should be able to get that response, if its more than 256 then it will be 61 XX, XX indicating the number of bytes of response.