public CardBuffer Process(CardBuffer inBuffer)
{
CardBuffer outBuffer;
if (UseApdus)
{
try
{
/* Transform incoming frame into an APDU */
CAPDU capdu = new CAPDU(inBuffer.GetBytes());
/* Process the APDU */
outBuffer = OnApdu(new CAPDU(inBuffer.GetBytes()));
} catch (Exception)
{
/* Incoming frame is not a valid APDU, return 6700 */
outBuffer = new RAPDU(0x67, 0x00);
}
}
else
{
/* Process the frame */
outBuffer = OnFrame(inBuffer);
}
IsFirstCommand = false;
return(outBuffer);
}
public bool ChangeKey(CardBuffer key)
{
_last_error = SCARD.MifUlC_ChangeKey(hCard, key.GetBytes());
if (_last_error != 0)
{
return(false);
}
return(true);
}
public bool Authenticate(CardBuffer key)
{
_last_error = SCARD.MifUlC_Authenticate(hCard, key.GetBytes());
if (_last_error != 0)
{
return(false);
}
return(true);
}
public bool Write(byte address, CardBuffer buffer)
{
_last_error = SCARD.MifUlC_Write4(hCard, address, buffer.GetBytes());
if (_last_error != 0)
{
return(false);
}
return(true);
}
public bool Control()
{
byte[] r = Control(_cctrl.GetBytes());
if (r == null)
{
return(false);
}
_rctrl = null;
if (r.Length > 0)
{
_rctrl = new CardBuffer(r);
}
return(true);
}
private void Parse()
{
if (abAtr == null)
{
throw new NullReferenceException();
}
byte[] atr = abAtr.GetBytes();
int offset = 0;
byte Y1;
byte K;
slDescription = new List <string>();
string s = String.Format("+ TS = {0:X2} --> ", atr[0]);
switch (atr[0])
{
case 0x3B:
s += "Direct Convention";
break;
case 0x3F:
s += "Inverse Convention";
break;
default:
s += "UNDEFINED";
break;
}
slDescription.Add(s);
/* T0 */
/* -- */
Y1 = (byte)(atr[1] / 0x10);
K = (byte)(atr[1] % 0x10);
slDescription.Add(String.Format("+ T0 = {0:X02}, Y1={1}, K={2} (historical bytes)", atr[1], BINQ[Y1], K));
/* TA, TB, TC, TD */
/* -------------- */
offset = 2;
if ((Y1 & 0x01) != 0)
{
ATR_analysis_TA(1, 0, ref offset, atr);
}
if ((Y1 & 0x02) != 0)
{
ATR_analysis_TB(1, 0, ref offset, atr);
}
if ((Y1 & 0x04) != 0)
{
ATR_analysis_TC(1, 0, ref offset, atr);
}
if ((Y1 & 0x08) != 0)
{
ATR_analysis_TD(1, ref offset, atr);
}
/* Historical bytes */
/* ---------------- */
if (K != 0)
{
int i;
slDescription.Add(String.Format("+ {0} historical byte{1}:", K, K > 1 ? "s" : ""));
s = String.Format(" Hex:");
for (i = 0; i < K; i++)
{
if (offset >= atr.Length)
{
slDescription.Add(String.Format("ERROR! ATR is truncated; {0} byte(s) missing", K - i));
break;
}
s += String.Format(" {0:X02}", atr[offset + i]);
}
slDescription.Add(s);
s = String.Format(" Asc: ");
for (i = 0; i < K; i++)
{
if (offset >= atr.Length)
{
break;
}
char c = (char)atr[offset + i];
if ((c <= ' ') || (c >= 0x80))
{
s += ".";
}
else
{
s += c;
}
}
slDescription.Add(s);
offset += K;
}
/* Check TCK */
/* --------- */
if (K != 0)
{
int i;
byte TCK = 0;
for (i = 1; i < (atr.Length - 1); i++)
{
TCK ^= atr[i];
}
s = String.Format("+ TCK = {0:X02} ", TCK);
if (TCK == atr[atr.Length - 1])
{
s += String.Format("(correct checksum)");
slDescription.Add(s);
}
else
{
s += String.Format("!= {0:X02}", atr[atr.Length - 1]);
slDescription.Add(s);
slDescription.Add(String.Format("ERROR! Checksum is invalid"));
}
}
}
public RAPDU(CardBuffer buffer)
{
SetBytes(buffer.GetBytes());
}
