bool silvia_pcsc_card::transmit(bytestring APDU, bytestring& data_sw)
{
if (!connected) return false;
data_sw.resize(65536);
DWORD out_len = 65536;
SCARD_IO_REQUEST recv_req;
LONG rv = SCardTransmit(
card_handle,
protocol == SCARD_PROTOCOL_T0 ? SCARD_PCI_T0 : SCARD_PCI_T1,
APDU.byte_str(),
APDU.size(),
&recv_req,
data_sw.byte_str(),
&out_len);
if (rv != SCARD_S_SUCCESS)
{
return false;
}
data_sw.resize(out_len);
if (data_sw.size() < 2)
{
return false;
}
return true;
}
bool edna_emulator::transceive_control(SCARDHANDLE reader, const bytestring& cmd, bytestring& rdata)
{
DWORD pcsc_rv;
DWORD rlen;
rdata.resize(512);
if ((pcsc_rv = SCardControl(reader, IOCTL_CCID_ESCAPE_DIRECT, cmd.const_byte_str(), cmd.size(), rdata.byte_str(), 512, &rlen)) != SCARD_S_SUCCESS)
{
ERROR_MSG("Failed to exchange control command (0x%08X)", pcsc_rv);
SCardDisconnect(reader, SCARD_UNPOWER_CARD);
SCardReleaseContext(pcsc_context);
return false;
}
rdata.resize(rlen);
return true;
}
bool silvia_nfc_card::transmit(bytestring APDU, bytestring& data_sw)
{
if (!connected) return false;
data_sw.resize(65536);
int out_len = nfc_initiator_transceive_bytes(device, APDU.byte_str(), APDU.size(), data_sw.byte_str(), data_sw.size(), 0);
if (out_len < 2)
{
return false;
}
data_sw.resize(out_len);
if (data_sw.size() < 2)
{
return false;
}
return true;
}
bool silvia_pcsc_card::transmit(bytestring APDU, bytestring& data, unsigned short& sw)
{
if (!transmit(APDU, data))
{
return false;
}
sw = data[data.size() - 2] << 8;
sw += data[data.size() - 1];
data.resize(data.size() - 2);
return true;
}
