JavaCard OS

Posted: **Fri Jun 01, 2018 6:05 am**

Hi,

Any one can explain or send any doc why P1 is 04 in select command.

Thanks.

Posted: **Sat Jun 02, 2018 6:08 am**

You can see the command of select in the 7816-4 specification. The meaning of p1 equal to 4 is "select by df name".

WHY P1 is 04 in select command