Hello all,

I am very new to smart card access and have, what I hope is, a non-annoying yet simple question.

As I understand, every smart card has a unique ID that is accessible without security. I need to read this ID from any card within a reader. I have spent some, but not enough, quality time with the ISO 7816-4 spec and understand the formation of smart card request and response APDUs (at least I think I do). I have read that I need to use the get data command as follows:

FF CA 00 00 00

However, this fails to provide the correct ID. Any help on this would be greatly appreciated.

Thank You in Advance

Ray
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