Need to find unique id in the following smart cards: mifare , emv , calypso

Question

I need to be able to read the unique id of the following card types: mifare , emv and calypso.

i m able to read the ATR of those cards , but could not find the command for receiving the unique id

Card card = terminal.connect("T=1");
CardChannel channel = card.getBasicChannel();
ATR r2 = channel.getCard().getATR();
byte atr[] = r2.getBytes();

Answer 1

It seems like the answer to all the specified cards is 0xFFCA000000 (UID)