Hello all,
I am having some trouble getting correct output back from my JCOP 21 card
connected to a Omnikey CardMan 2020 USB reader. If I initialize the card
in Eclipse [1], I see that the following APDU is being sent to it:
00 A4 04 00 07 A0 00 00 00 03 00 00 00
and the return is:
6F 19 84 08 A0 00 00 00 03 00 00 00 A5 0D 9F 6E 06 40 51 21 97 22 11 9F 65
01 FF 90 00
But if I try to send the same thing via pcsclite (using SCardConnect and
SCardTransmit), I get the following back:
61 1B
I also tried adding SCardBeginTransaction and SCardEndTransaction, but it
didn't help.
So why is the return different? I assume that Eclipse may send the card
some other commands in order to set up the communication context, but I
don't know what these are. Note that this problem is not isolated to one
APDU, I tried it with 3 different APDUs and every time I get something
different that Eclipse.
Can anyone suggest how I can communicate with the card properly?
Here is a code snippet of what I'm doing:
---------------------------------------
<snip>
BYTE init1[] = { 0x00, 0xA4, 0x04, 0x00, 0x08, 0xA0, 0x00, 0x00, 0x00, 0x03,
0x00, 0x00, 0x00, 0x00 };
<snip>
printf("Connecting to card in first reader...");
rv = SCardConnect(hContext, mszReaders, SCARD_SHARE_SHARED,
SCARD_PROTOCOL_T0 | SCARD_PROTOCOL_T1, &hCard, &dwActiveProtocol);
if (rv != SCARD_S_SUCCESS) return error_rdisconnect(hContext, hCard);
else {
printf("done. Active protocol: ");
(dwActiveProtocol == SCARD_PROTOCOL_T0)? printf("T0\n") : printf("T1\n");
}
printf("\nSending Init1 APDU to card:\n");
rv = send_APDU(init1, sizeof(init1), hCard);
if (rv != SCARD_S_SUCCESS) return error_rdisconnect(hContext, hCard);
<snip>
//Send an APDU consisting of the data in sendBuffer
LONG send_APDU(BYTE *sendBuffer, int bufferLen, SCARDHANDLE card) {
int i;
LONG rv;
SCARD_IO_REQUEST pioRecvPci;
BYTE recvBuffer[255];
DWORD dwRecvLength;
printf("Transmitted value: ");
for (i = 0; i < bufferLen; i++) printf("%X ", sendBuffer[i]);
printf("\n");
printf("Returned value: ");
rv = SCardTransmit(card, SCARD_PCI_T0, sendBuffer, bufferLen, &pioRecvPci,
recvBuffer, &dwRecvLength);
if (rv != SCARD_S_SUCCESS) {
return rv;
}
else {
for (i = 0; i < dwRecvLength; i++) printf("%X ", recvBuffer[i]);
printf("\n");
}
return rv;
}
------------------------------------------------------
Output:
------------------------------------------------------
<snip>
Connecting to card in first reader...done. Active protocol: T0
Sending Init1 APDU to card:
Transmitted value: 0 A4 4 0 8 A0 0 0 0 3 0 0 0 0
Returned value: 61 1B
<snip>
------------------------------------------------------
[1] www.eclipse.org with JCOP plugin
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