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Smart Card and Reader Access Functions

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

Function Description
SCardBeginTransaction Starts a transaction, which blocks other applications from accessing a smart card.
SCardConnect Connects to a smart card; the SCARD_SHARE_SHARED parameter is not supported.
SCardDisconnect Terminates a connection.
SCardEndTransaction Ends a transaction, which enables other applications to access a smart card.
SCardReconnect Reestablishes a connection.
SCardStatus Provides the current status of the reader.
SCardTransmit Requests service and receives data back from a smart card using raw, T=0, and T=1 protocols.

See Also

Smart Card Resource Manager

 Last updated on Saturday, April 10, 2004

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