public static void ReadMainMemory3WbpExample(string readerName)
{
try
{
var threeWireBusProtocol = new Readers.AViatoR.Components.Synchronus3WBP();
ISmartCardReader smartCardReader = Connect(readerName);
if (!smartCardReader.IsConnected)
{
return;
}
// address of first byte to be read
ushort address = 0x00;
byte notUsed = 0x00;
string cardMemory = string.Empty;
// read data from addresses 0x0000 - 0x03FF
for (int i = 0x00; i < 0x0400; i++)
{
string command = threeWireBusProtocol.GetApdu(Synchronus3WBP.ControlByte.Read9BitsDataWithProtectBit, address, notUsed);
string response = smartCardReader.Transmit(command);
if (response.StartsWith("9D02") && response.EndsWith("9000"))
{
string data = response.Substring(4, 2);
string protectionByte = response.Substring(6, 2);
string bitSet = protectionByte != "00" ? "not set" : "set";
PrintData($"Read Main Memory, Address 0x{address:X4}", command, response,
$"Value 0x{data}, {protectionByte} -> protection bit {bitSet}");
cardMemory += data;
}
else
{
PrintData($"Read Main Memory, Address 0x{address:X4}", command, response, "Error Response");
}
address++;
}
Console.WriteLine($"\nMain Memory starting from address 0x0000 to address 0x03FF:\n{cardMemory}\n");
smartCardReader.Disconnect(CardDisposition.Unpower);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
public static void UpdateMainMemory3WbpExample(string readerName)
{
try
{
var threeWireBusProtocol = new Readers.AViatoR.Components.Synchronus3WBP();
ISmartCardReader smartCardReader = Connect(readerName);
if (!smartCardReader.IsConnected)
{
return;
}
// Following code is commented to prevent usage of incorrect Pin code, which can lead to blocking the synchronus card if done several times in row
// Verification with correct pin code is necessary to write any data into card memory
// Be advice not to use VerifyUser2Wbp command if correct pin code is not known
/*
* string pin = "FFFF";
*
* byte firstPinByte = byte.Parse(pin.Substring(0, 2), NumberStyles.HexNumber);
* byte secondPinByte = byte.Parse(pin.Substring(2, 2), NumberStyles.HexNumber);
*
* VerifyUser3Wbp(reader, firstPinByte, secondPinByte);
*
* //*/
ushort address = 0x01FF;
byte data = 0xAB;
string command = threeWireBusProtocol.GetApdu(Synchronus3WBP.ControlByte.WriteAndEraseWithoutProtectBit, address, data);
string response = smartCardReader.Transmit(command);
PrintData($"Write Main Memory, address: 0x{address:X4}, data: 0x{data:X2}", command, response, response.Equals("9D009000") ? "Success" : "Error Response");
address = 0x01FF;
data = 0xCC;
command = threeWireBusProtocol.GetApdu(Synchronus3WBP.ControlByte.WriteAndEraseWithoutProtectBit, address, data);
response = smartCardReader.Transmit(command);
PrintData($"Write Main Memory, address: 0x{address:X4}, data: 0x{data:X2}", command, response, response.Equals("9D009000") ? "Success" : "Error Response");
smartCardReader.Disconnect(CardDisposition.Unpower);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
private static void VerifyUser3Wbp(ISmartCardReader smartCardReader, byte firstPinByte, byte secondPinByte)
{
var threeWireBusProtocol = new Readers.AViatoR.Components.Synchronus3WBP();
byte newErrorCounter;
Console.WriteLine("User Verification");
// Read Error Counter
string command = threeWireBusProtocol.ReadErrorCounterApdu();
string response = smartCardReader.Transmit(command);
string currentErrorCounter = response.Substring(4, 2);
PrintData("Read Error Counter", command, response, $"0x{currentErrorCounter}");
// decrement counter
switch (currentErrorCounter)
{
case "7F":
newErrorCounter = 0x7E;
break;
case "7E":
newErrorCounter = 0x7C;
break;
case "7C":
newErrorCounter = 0x78;
break;
case "78":
newErrorCounter = 0x70;
break;
case "70":
newErrorCounter = 0x60;
break;
case "60":
newErrorCounter = 0x40;
break;
case "40":
newErrorCounter = 0x00;
break;
default:
Console.WriteLine("Returned error counter is not correct or card is blocked");
return;
}
command = threeWireBusProtocol.WriteErrorCounterApdu(newErrorCounter);
response = smartCardReader.Transmit(command);
PrintData("Write new Error Counter", command, response, $"0x{newErrorCounter:X2}");
// Verify pin first byte
command = threeWireBusProtocol.VerifyFirstPinByte(firstPinByte);
response = smartCardReader.Transmit(command);
PrintData("Verify first pin byte", command, response, $"{firstPinByte:X2}");
// Verify pin second byte
command = threeWireBusProtocol.VerifySecondPinByte(secondPinByte);
response = smartCardReader.Transmit(command);
PrintData("Verify second pin byte", command, response, $"{secondPinByte:X2}");
// Reset Error Counter
command = threeWireBusProtocol.ResetErrorCounterApdu();
response = smartCardReader.Transmit(command);
PrintData("Reset Error Counter", command, response, "");
}