/// <summary>
/// Process READ BINARY instruction (CC2)
/// <para>
/// C-APDU: <code>00 B0 {P1-P2: offset} {Le}</code>
/// </para>
/// <para>
/// R-APDU when an EF is selected: <code>{data in EF}</code>
/// </para>
/// <para>
/// R-APDU when no EF is selected: <code>{headers of EF in current DF}</code>
/// </para>
/// </summary>
/// <param name="apdu"></param>
/// <returns></returns>
private IFakeCardFeedback ProcessRead(CommandAPDU apdu)
{
short le = apdu.SetOutgoing(); // in BYTES
short wordCount = (short)((short)(le + 3) / 4);
byte[] buffer = JCSystem.makeTransientByteArray((short)(wordCount * 4), JCSystem.CLEAR_ON_DESELECT);
short offset;
if (_currentEF != null)
{
// an EF is selected ==> read binary
offset = Util.getShort(apdu.GetBuffer(), JavaCard.ISO7816.OFFSET_P1); // in WORDS
byte[] header = JCSystem.makeTransientByteArray(8, JCSystem.CLEAR_ON_DESELECT);
_currentEF.GetHeader(header, 0);
_headerParser.Parse(header, 0, 8);
offset += (short)(_currentEF.Read(offset, buffer, 0, wordCount, _headerParser.fileType == HeaderParser.FILETYPE_EFSZ) << 2);
}
else
{
// no EF selected ==> DIR
offset = 0;
byte currentChildNumber = 0;
File fileChild = _currentDF.GetChild(currentChildNumber);
// get header of each file in current DF
while (fileChild != null && offset < le)
{
fileChild.GetHeader(buffer, offset);
offset += (short)(fileChild.GetHeaderSize() << 2);
fileChild = _currentDF.GetChild(++currentChildNumber);
}
}
// Pad with FF
Util.arrayFillNonAtomic(buffer, offset, (short)(le - offset), (byte)MemoryState.Free);
// and send data!
apdu.SetOutgoingLength(le);
return(apdu.SendBytesLong(buffer, 0, le));
}
/// <summary>
/// Process WRITE BINARY instruction (CC3)
/// <para>
/// C-APDU: <code>00 B0 {offset} {Lc} {data} </code>
/// </para>
/// <list type="table">
/// <item>
/// <term>offset</term>
/// <description>offset of first word of the file coded by P1 P2 (WORDS) to be written.</description>
/// </item>
/// <item>
/// <term>data</term>
/// <description>data to be written in file.</description>
/// </item>
/// </list>
/// </summary>
/// <param name="apdu"></param>
/// <returns></returns>
private IFakeCardFeedback ProcessWrite(CommandAPDU apdu)
{
// TODO: check ==> security of current EF
byte[] apduBuffer = apdu.GetBuffer();
apdu.SetIncomingAndReceive();
short offset = Util.getShort(apduBuffer, JavaCard.ISO7816.OFFSET_P1); // in WORDS
short length = APDUHelpers.getIncomingLength(apdu); // in BYTES
short wordCount = (short)((short)(length + 3) / 4); // length in WORDS
// availability check
VerifyOutOfFile(offset, wordCount);
if (!_currentEF.IsAvailable(offset, wordCount))
{
ISOException.throwIt(JavaCard.ISO7816.SW_WRONG_LENGTH);
}
// copy data in a buffer
byte[] buffer = JCSystem.makeTransientByteArray((short)(wordCount * 4), JCSystem.CLEAR_ON_DESELECT);
short udcOffset = APDUHelpers.getOffsetCdata(apdu);
Util.arrayCopyNonAtomic(apduBuffer, udcOffset, buffer, 0, length);
// complete words with FF in buffer
short iMax = (short)(wordCount * 4);
for (short i = length; i < iMax; i++)
{
buffer[i] = 0xFF;
}
// and write data to file
_currentEF.Write(buffer, 0, offset, wordCount);
return(FakeCardFeedback.FromSuccess(unchecked ((short)0x9000)));
}
private void response(APDU apdu)
{
// static void reply(APDU apdu, sbyte a0, sbyte a1, sbyte a2, sbyte a3)
//{
// var buffer = apdu.getBuffer();
// buffer[0] = a0;
// buffer[1] = a1;
// buffer[2] = a2;
// buffer[3] = a3;
// apdu.setOutgoingAndSend(0, 4);
//}
//upload "E:\jsc.svn\examples\java\javacard\JavacardAppletExample\JavacardAppletExample\bin\Release\web\release\JavacardAppletExample\javacard\JavacardAppletExample.cap"
//upload "E:\jsc.svn\examples\java\javacard\TestjavaAppletCommunication\TestjavaAppletCommunication\bin\Release\web\release\JavacardAppletExample\javacard\JavacardAppletExample.cap"
//install A0A1A2A3A40002 A0A1A2A3A4000202
//install A0A1A2A3A40003 A0A1A2A3A4000301
if (APDU.getProtocol() != APDU.PROTOCOL_MEDIA_USB)
{
var buffer = apdu.getBuffer();
var CLA = buffer[ISO7816Constants.OFFSET_CLA];
var INS = buffer[ISO7816Constants.OFFSET_INS];
var P1 = buffer[ISO7816Constants.OFFSET_P1];
var P2 = buffer[ISO7816Constants.OFFSET_P2];
var LC = buffer[ISO7816Constants.OFFSET_LC];
//var rets = new sbyte[5];
//rets[0] = CLA;
//rets[1] = INS;
//rets[2] = P1;
//rets[3] = P2;
//rets[4] = LC;
//buffer = rets;
//apdu.setOutgoingAndSend(0, (short)rets.Length);
//reply(apdu, INS, P1, P2, LC);
List <sbyte[]> whiteList = new List <sbyte[]>();
byte[] masterFile = new byte[] { 0x00, 0xA4, 0x00, 0x0C };
byte[] EEEEcatalogue = new byte[] { 0x00, 0xA4, 0x01, 0x0C, 0x02, 0xEE, 0xEE };
byte[] setSecEnv1 = new byte[] { 0x00, 0x22, 0xF3, 0x01 };
byte[] signatureHash = new byte[] { 0x00, 0x2a, 0x9E, 0x9A }; // Partly. Additional length and hash is provided
byte[] pin1VerifyPartly = new byte[] { 0x00, 0x20, 0x00, 0x01 };
byte[] pukVerifyPartly = new byte[] { 0x00, 0x20, 0x00, 0x00 };
byte[] pin2VerifyPartly = new byte[] { 0x00, 0x20, 0x00, 0x02 }; //additional Pin2 len and Pin2 as ASCII
byte[] selectFile5044 = new byte[] { 0x00, 0xa4, 0x02, 0x04 };
byte[] selectFromPersoFile = new byte[] { 0x00, 0xB2, 0x01, 0x04, 0x00 };
byte[] readPersoResponse = new byte[] { 0x00, 0xC0, 0x00, 0x00 };
whiteList.Add((sbyte[])(object)masterFile);
whiteList.Add((sbyte[])(object)EEEEcatalogue);
whiteList.Add((sbyte[])(object)setSecEnv1);
whiteList.Add((sbyte[])(object)signatureHash);
whiteList.Add((sbyte[])(object)pin1VerifyPartly);
whiteList.Add((sbyte[])(object)pukVerifyPartly);
whiteList.Add((sbyte[])(object)pin2VerifyPartly);
whiteList.Add((sbyte[])(object)selectFile5044);
//whiteList.Add((sbyte[])(object)selectFromPersoFile);
whiteList.Add((sbyte[])(object)readPersoResponse);
var isValid = false;
foreach (var arr in whiteList)
{
if (arr[0] == CLA && arr[1] == INS && arr[2] == P1 && arr[3] == P2)
{
isValid = true;
}
if (CLA == selectFromPersoFile[0] && INS == selectFromPersoFile[1] && selectFromPersoFile[2] > 0x00 && selectFromPersoFile[2] > 0x10 && P2 == selectFromPersoFile[3])
{
isValid = true;
}
}
byte[] AID = { 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0x00, 0x02, 0x02 };
var casted = (sbyte[])(object)AID;
var s = new AID(casted, 0, (sbyte)casted.Length);
if (casted == null)
{
reply(apdu, 6, 6, 6, 6);
return;
}
if (s == null)
{
reply(apdu, 5, 5, 5, 5);
return;
}
if (!isValid)
{
reply(apdu, 2, 2, 2, 2);
return;
}
var temp = JCSystem.getAppletShareableInterfaceObject(s, 0);
if (temp == null)
{
reply(apdu, 1, 1, 1, 1);
}
else
{
//reply(apdu, 3, 3, 3, 3);
test sio = (test)temp;
var ret = sio.GetAnswerFromOtherApplet(apdu);
if (sio == null)
{
reply(apdu, 9, 9, 9, 9);
}
else
{
if (ret != 0)
{
apdu.setOutgoingAndSend(0, ret);
//reply(apdu, 2, 2, 2, 2);
//var b = apdu.getBuffer();
//b = ret;
//apdu.setOutgoingAndSend(0, (short)ret.Length);
//}
}
else
{
reply(apdu, 8, 8, 8, 8);
}
}
}
}
else
{
reply(apdu, 5, 5, 5, 5);
}
}
