public static byte[] GetSMResponse(Apdu apdu, byte[] resp, BSO encOut, BSO sigOut, byte[] random)
{
TLV respTLV = new TLV();
ByteArray ClearData = new ByteArray(resp).Sub(0, resp.Length - 2);
byte[] CypherTextObject = null;
if (encOut == null && sigOut == null)
{
if (ClearData.Size != 0)
{
respTLV[0x81] = ClearData;
}
}
else
{
if (encOut != null)
{
respTLV[0x87] = new ByteArray(1).Append(CardHandler.encrypt3DES(encOut.Data, ClearData));
CypherTextObject = respTLV[0x87];
}
else
{
if (ClearData.Size != 0)
{
respTLV[0x81] = ClearData;
}
}
if (sigOut != null)
{
if (random == null)
{
throw new ISO7816Exception(Error.ConditionsOfUseNotSatisfied);
}
var MACObject = new ByteArray(random);
MACObject = MACObject.Append(ByteArray.ANSIPad(new ByteArray(apdu.GetBytes()).Left(4)));
TLV MacTLV = new TLV();
if (CypherTextObject != null)
{
MacTLV[0x87] = CypherTextObject;
}
else
{
MacTLV[0x81] = ClearData;
}
MACObject = MACObject.Append(MacTLV.GetBytes());
var mac = CardHandler.getMAC(sigOut.Data, ByteArray.ANSIPad(MACObject));
respTLV[0x8e] = mac;
}
}
ByteArray smResp = new ByteArray(respTLV.GetBytes());
smResp = smResp.Append(new byte[] { resp[resp.Length - 2], resp[resp.Length - 1] });
return(smResp);
}