Communicate with smartcard reader through Android USB host

Question

I\'m trying to send a command to a smart card. I use a Gemalto IDBridge CT30 (PC TWIN reader) and a IDBridge K30 connected to the Android device over USB.

I try to s

Answer 1

What you send is a SELECT command, with a given AID, which easily could produce a result. You clearly indicate, however, that you are not interested in a response, by

• setting P2 to '0C'
• not providing an LE byte (assuming a block based protocol, surely reasonable for USB)

So one may conclude, that your card is not compliant to ISO 7816-4; on the other hand, the response does not contain anything looking like an error SW1/SW2 status either, are you sure, to have responsebuffer dumped?