public virtual byte[] Control(byte[] cctrl)
{
byte[] rctrl = new byte[280];
uint rl = 0;
uint rc;
Trace.WriteLine("Control << " + (new CardBuffer(cctrl)).AsString());
rc = SCARD.Control(_hCard,
SCARD.IOCTL_CSB6_PCSC_ESCAPE,
cctrl,
(uint)cctrl.Length,
rctrl,
280,
ref rl);
if (rc == 1)
{
rc = SCARD.Control(_hCard,
SCARD.IOCTL_MS_CCID_ESCAPE,
cctrl,
(uint)cctrl.Length,
rctrl,
280,
ref rl);
}
if (rc != SCARD.S_SUCCESS)
{
Trace.WriteLine("Control: " + rc);
_last_error = rc;
rctrl = null;
return(null);
}
byte[] r = new byte[rl];
for (int i = 0; i < rl; i++)
{
r[i] = rctrl[i];
}
Trace.WriteLine("Control >> " + (new CardBuffer(r)).AsString());
return(r);
}