usb - ISO/IEC 7816 comands over CCID -


i'm discovering smart card world , there things don't understand. i'm developing driver talks smart card reader (usb) using ccid protocol (i succeeded in having basic communications).

but if want talk card using iso/iec 7816-4 specification, keep using ccid protocol , in pc_to_rdr_xfrblock() request, in data part (abdata @ offset 10 cf $6.1.4 page 30 specification of ccid) directy send iso/iec 7816 command read_binary, write_binary, select ... , smartcard reader answer me using rdr_to_pc_datablock() ($6.2.1 page 49).

this question os independent, , not using existing drivers or os library.

am right?

i found answer analysing trames wireshark. seems work described it.

here somes links user tries same.

to setup usb capture : https://wiki.wireshark.org/capturesetup/usb

to enable iso 7816 frames analysis in wireshark (inside ccid packets): https://ask.wireshark.org/questions/32594/iso-7816-example-capture


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