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TheJoKlLa
@ -5,9 +5,9 @@
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="log4net" Version="2.0.11" />
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<PackageReference Include="log4net" Version="2.0.12" />
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<PackageReference Include="PCSC" Version="5.0.0" />
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<PackageReference Include="PCSC.Iso7816" Version="5.0.0" />
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<PackageReference Include="Portable.BouncyCastle" Version="1.8.6.7" />
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<PackageReference Include="Portable.BouncyCastle" Version="1.8.8" />
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</ItemGroup>
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</Project>
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@ -95,6 +95,23 @@ namespace NFC.Mifare_DESFire
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return arr;
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}
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/// <summary>
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/// Get Range of Array
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/// </summary>
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/// <param name="array"></param>
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/// <param name="offset"></param>
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/// <param name="length"></param>
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/// <returns></returns>
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public byte[] GetSubArray(byte[] array, long offset, long length)
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{
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byte[] subarray = new byte[length];
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for (long i = offset; i < offset + length; i++)
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{
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subarray[i - offset] = array[i];
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}
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return subarray;
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}
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private int GetHexVal(char hex)
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{
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int val = (int)hex;
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@ -677,6 +694,62 @@ namespace NFC.Mifare_DESFire
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_Log.Debug("End AuthenticateISO_DES");
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}
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/// <summary>
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/// Change Same DES key as Authenticated
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/// </summary>
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/// <param name="key_id"></param>
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/// <param name="new_key"></param>
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/// <param name="key_version"></param>
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public void ChangeKey_DES(byte key_id, byte[] new_key, byte key_version)
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{
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_Log.Debug("Start ChangeKey_DES");
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byte[] header = new byte[]
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{
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0xC4, key_id
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};
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_Log.DebugFormat("header: {0}", ConvertToHexString(header));
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byte[] key_and_version = new_key;
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byte[] command = Concatenate(header, key_and_version);
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_Log.DebugFormat("command: {0}", ConvertToHexString(command));
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CRC32 crc32 = new CRC32();
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byte[] crc = crc32.Calculate(command);
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_Log.DebugFormat("crc: {0}", ConvertToHexString(crc));
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byte[] cryptogram = Concatenate(key_and_version, crc);
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_Log.DebugFormat("cryptogram: {0}", ConvertToHexString(cryptogram));
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byte[] cryptogram_block = ExpandToBlockSize(cryptogram, 16);
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_Log.DebugFormat("cryptogram_block: {0}", ConvertToHexString(cryptogram_block));
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TDES des = new TDES();
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byte[] cryptogram_enc = des.Encrypt(cryptogram_block, _SessionKey, _IV);
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_Log.DebugFormat("cryptogram_enc: {0}", ConvertToHexString(cryptogram_enc));
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_IV = ExtractLastBlock(cryptogram_enc, 8);
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_Log.DebugFormat("_IV: {0}", ConvertToHexString(_IV));
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byte[] data = Concatenate(new byte[] { key_id }, cryptogram_enc);
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_Log.DebugFormat("data: {0}", ConvertToHexString(data));
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APDUCommand cmd_ChangeKey = new APDUCommand(IsoCase.Case4Short)
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{
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CLA = 0x90,
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INS = 0xC4,
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Data = data
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};
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_Log.DebugFormat("APDU_CMD(cmd_ChangeKey): {0}", ConvertToHexString(cmd_ChangeKey.ToArray()));
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APDUResponse response = _Card.Transmit(cmd_ChangeKey);
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_Log.DebugFormat("APDU_RES(cmd_ChangeKey): {0}", ConvertToHexString(response.ToArray()));
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CheckAPDUResponse(response);
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_Log.Debug("End ChangeKey_AES");
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}
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/// <summary>
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/// Change Same AES key as Authenticated
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/// </summary>
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@ -851,58 +924,63 @@ namespace NFC.Mifare_DESFire
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{
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_Log.Debug("Start ReadData");
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byte[] data = new byte[]
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{
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file_id
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};
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int max_read_bytes_pre_transaction = 58;
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long bytes_readed = 0;
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byte[] offset_byte_tolong = BitConverter.GetBytes(offset);
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// Use only 3 Bytes
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byte[] offset_byte = new byte[]
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List<byte> read_data = new List<byte>();
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while (bytes_readed != length)
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{
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byte[] data = new byte[]
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{
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file_id
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};
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byte[] offset_byte_tolong = BitConverter.GetBytes(offset + bytes_readed);
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// Use only 3 Bytes
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byte[] offset_byte = new byte[]
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{
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offset_byte_tolong[0],
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offset_byte_tolong[1],
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offset_byte_tolong[2],
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};
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};
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byte[] length_byte_tolong = BitConverter.GetBytes(length);
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// Use only 3 Bytes
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byte[] length_byte = new byte[]
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{
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length_byte_tolong[0],
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length_byte_tolong[1],
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length_byte_tolong[2],
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};
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long bytes_toread = 0;
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APDUCommand cmd_ReadData = new APDUCommand(IsoCase.Case4Short)
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{
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CLA = 0x90,
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INS = (byte)APDUInstructions.READ_DATA,
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Data = Concatenate(data, offset_byte, length_byte)
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};
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APDUResponse response;
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List<byte> read_data = new List<byte>();
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do
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{
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_Log.DebugFormat("APDU_CMD(cmd_ReadData): {0}", ConvertToHexString(cmd_ReadData.ToArray()));
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response = _Card.Transmit(cmd_ReadData);
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_Log.DebugFormat("APDU_RES(cmd_ReadData): {0}", ConvertToHexString(response.ToArray()));
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if (response.SW1 == 0x91 && response.SW2 == 0xAF)
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if (length - bytes_readed < max_read_bytes_pre_transaction)
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{
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read_data.AddRange(response.Body);
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bytes_toread = length - bytes_readed;
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}
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else
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{
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CheckAPDUResponse(response);
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bytes_toread = max_read_bytes_pre_transaction;
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}
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cmd_ReadData.INS = 0xAF;
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} while (response.SW1 == 0x91 && response.SW2 == 0xAF);
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byte[] length_byte_tolong = BitConverter.GetBytes(bytes_toread);
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bytes_readed += bytes_toread;
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// Use only 3 Bytes
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byte[] length_byte = new byte[]
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{
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length_byte_tolong[0],
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length_byte_tolong[1],
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length_byte_tolong[2],
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};
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APDUCommand cmd_ReadData = new APDUCommand(IsoCase.Case4Short)
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{
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CLA = 0x90,
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INS = (byte)APDUInstructions.READ_DATA,
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Data = Concatenate(data, offset_byte, length_byte)
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};
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_Log.DebugFormat("APDU_CMD(cmd_ReadData): {0}", ConvertToHexString(cmd_ReadData.ToArray()));
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APDUResponse response = _Card.Transmit(cmd_ReadData);
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_Log.DebugFormat("APDU_RES(cmd_ReadData): {0}", ConvertToHexString(response.ToArray()));
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CheckAPDUResponse(response);
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read_data.AddRange(response.Body);
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}
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_Log.Debug("End ReadData");
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return read_data.ToArray();
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@ -957,6 +1035,80 @@ namespace NFC.Mifare_DESFire
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_Log.Debug("End WriteData");
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}
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///// <summary>
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///// Write Data to File
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///// </summary>
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///// <param name="file_id">ID of File (0x01 - 0x10)</param>
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///// <param name="offset">Offset for File</param>
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///// <param name="data">Data to write</param>
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//public void WriteData(byte file_id, UInt32 offset, byte[] data)
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//{
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// _Log.Debug("Start WriteData");
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// int max_write_bytes_pre_transaction = 8;
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// byte[] write_buffer;
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// long bytes_writed = 0;
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// long length = data.Length;
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// while (bytes_writed != data.Length)
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// {
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// byte[] file_id_array = new byte[]
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// {
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// file_id
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// };
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// byte[] offset_byte_tolong = BitConverter.GetBytes(offset + bytes_writed);
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// // Use only 3 Bytes
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// byte[] offset_byte = new byte[]
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// {
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// offset_byte_tolong[0],
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// offset_byte_tolong[1],
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// offset_byte_tolong[2],
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// };
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// long bytes_towrite = 0;
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// if (length - bytes_writed < max_write_bytes_pre_transaction)
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// {
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// bytes_towrite = length - bytes_writed;
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// }
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// else
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// {
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// bytes_towrite = max_write_bytes_pre_transaction;
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// }
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// byte[] length_byte_tolong = BitConverter.GetBytes(bytes_towrite);
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// write_buffer = GetSubArray(data, bytes_writed, bytes_towrite);
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// bytes_writed += bytes_towrite;
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// // Use only 3 Bytes
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// byte[] length_byte = new byte[]
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// {
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// length_byte_tolong[0],
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// length_byte_tolong[1],
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// length_byte_tolong[2],
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// };
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// APDUCommand cmd_WriteData = new APDUCommand(IsoCase.Case4Short)
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// {
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// CLA = 0x90,
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// INS = (byte)APDUInstructions.WRITE_DATA,
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// Data = Concatenate(file_id_array, offset_byte, length_byte, write_buffer)
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// };
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// _Log.DebugFormat("APDU_CMD(cmd_WriteData): {0}", ConvertToHexString(cmd_WriteData.ToArray()));
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// APDUResponse response = _Card.Transmit(cmd_WriteData);
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// _Log.DebugFormat("APDU_RES(cmd_WriteData): {0}", ConvertToHexString(response.ToArray()));
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// CheckAPDUResponse(response);
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// }
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// _Log.Debug("End WriteData");
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//}
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/// <summary>
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/// Get all ApplicationIDS from PICC
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/// </summary>
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Reference in New Issue
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