Smartcard Lib for Arduino compat. boards

Smartcard access lib for Arduino based boards connected directly to a smartcard.

This is currently a work in progress.

Currently it is possible to communicate with a smartcard directly connected to a Arduino board or connected via a TDA8024T (or compatible chips. e.g. DS8024).

All tests have been done with a smart card slot connected directly to the Aruino board.

Working:
– Activation of asynchronous and synchronous smart cards
– Exchanging data with supported Smart card (Sending / Receiving)
– Asychron T=0 APDU communication.
– Basic sychron communication
– ETU calculation from TS byte.
– Support class for SLE4432 / SLE4442 / SLE4441 and SLE4440 compatible sychron smartcards.
Mostly used for secure data storage.

Open points:
– Error handling not completly implemented.
No retries if parity error is found.
– Setup of communication parameters from ATR
– T=1 communication not supported (Still possible via “raw” sendBytes(..) / receiveBytes(..))

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