Smart Card and Reader Access Functions

The following functions connect to and communicate with a specific smart card. I/O operations to the card use a buffer for sending or receiving data and a structure that contains protocol control information. The protocol control information structure always begins with an SCARD_IO_REQUEST structure.

SCardConnect Connect to a card.
SCardReconnect Reestablish a connection.
SCardDisconnect Terminate a connection.
SCardBeginTransaction Start a transaction, blocking other applications from accessing a card.
SCardEndTransaction End a transaction, allowing other applications to access a card.
SCardStatus Provide the current status of the reader.
SCardTransmit Requests service and receives data back from a card using T=0, T=1, and raw protocols.




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