gnupg: Scdaemon APDU
6.6.15 Send a verbatim APDU to the card
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APDU [--atr] [--more] [--exlen[=N]] [HEXSTRING]
Send an APDU to the current reader. This command bypasses the high
level functions and sends the data directly to the card. HEXSTRING is
expected to be a proper APDU. If HEXSTRING is not given no commands are
send to the card; However the command will implicitly check whether the
card is ready for use.
Using the option '--atr' returns the ATR of the card as a status
message before any data like this:
S CARD-ATR 3BFA1300FF813180450031C173C00100009000B1
Using the option '--more' handles the card status word MORE_DATA
(61xx) and concatenate all responses to one block.
Using the option '--exlen' the returned APDU may use extended length
up to N bytes. If N is not given a default value is used (currently
4096).
Info Catalog
gnupg: Scdaemon RESTART
gnupg: Scdaemon Protocol