[Geremia]

There is no checksum at the end of each command, this card, as described in ATR, uses T=0 protocol, so uses ACKs instead of checksum.
At soon as the interface send to the card CLA,INS,P1,P2,P3/LEN, the card send back an ack, the ack has the same HEX value as the INS, according to the iso7816 standard for T=0 protocol.

TX Data : D2 04 03 00 01 3D <-this is something that maybe stay instead of the common irdeto card requests, here only response is standard
there is also a 04 ACK from card just before 3D, winexplorer flushed it
RX Data : 3D 60 90 19 <-here 3D is echoed by the phoenix, there is not in log
TX Data : D2 FE 03 00 19
RX Data : FE 01 02 00 00 02 03 00 10 06 05 12 06 19 06 20
here FE is the ACK sent back by the card

In this card, if i want to request for prov ID 00 with winexplorer, i just make this, and the same occurs in season log:

This is a raw winexplorer log not flushed of echoed bytes

Trying to reset card...
Reset Successful

RX ATR : 3B 9F 11 40 60 49 52 44 45 54 4F 20 41 43 53 20 56 35 2E 30
TX Data : D2 06 03 00 01 3C
RX Data : D2 06 03 00 01 06 3C 60 90 21
TX Data : D2 FE 03 00 21
RX Data : D2 FE 03 00 21 FE 01 02 00 00 03 03 00 18 00 06
63 5A 00 00 00 00 00 00 01 3C 01 01 2D 2D 2D 82
62 00 00 00 00 00 EB 90 00

This is not a standard irdeto card for standard irdeto cams, it's an italian dvb-t ppv card that works only with italian dvb-t decoder with interactive MHP protocol