/// <summary>
/// Reads the file pointed by the SFI found in the FCI of the application.
/// </summary>
/// <returns>Last status word.</returns>
public UInt16 Read()
{
BeforeReadEvent.Raise(this, new EmvEventArgs());
var tlvSfi = TlvFci.GetTag(0x88);
if (tlvSfi == null)
{
throw new Exception(String.Format("PSE: no tag 88 (sfi) found in FCI [{0}]", TlvFci));
}
var sfi = new ShortFileIdentifier(tlvSfi);
byte recordNumber = 0;
do
{
recordNumber++;
var crp = new CommandResponsePair {
CApdu = new EMVReadRecordCommand(recordNumber, sfi.Sfi, 0)
};
crp.Transmit(_cardChannel);
_lastStatusWord = crp.RApdu.StatusWord;
if (crp.RApdu.StatusWord == 0x9000)
{
_tlvRecords.Add(new TlvData(crp.RApdu.Udr));
}
} while (_lastStatusWord == 0x9000);
AfterReadEvent.Raise(this, new EmvEventArgs());
return(_lastStatusWord);
}
protected void RaiseBeforeRead(BeforeReadEventArgs args)
{
BeforeReadEvent?.Invoke(this, args);
}