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Added: Software Tests

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This commit is contained in:
TheJoKlLa 2021-03-31 14:11:57 +02:00
parent 33893cb979
commit b95c203f40
10 changed files with 726 additions and 541 deletions
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139
NFC/APDUCommand.cs
View File

@ -1,22 +1,149 @@
using System;
using NFC.Helper;
using System;
using System.Collections.Generic;
using System.Linq;
namespace NFC
{
/// <summary>
/// Application Protocol Data Unit
/// https://de.wikipedia.org/wiki/Application_Protocol_Data_Unit
/// https://github.com/danm-de/pcsc-sharp/blob/246fc4303190184d6acd98a2d66f48cb7ffd7094/src/PCSC.Iso7816/CommandApdu.cs
/// </summary>
public class APDUCommand
{
public APDUCommand(IsoCase isoCase)
#region Constructors
public APDUCommand(IsoCase isoCase, SCardProtocol sCardProtocol = SCardProtocol.ANY)
{
Case = isoCase;
Protocol = sCardProtocol;
Data = new byte[0];
}
#endregion
#region Properties
public IsoCase Case { get; set; }
public byte CLA { get; set; }
public byte INS { get; set; }
public byte[] Data { get; set; }
public SCardProtocol Protocol { get; set; }
public byte CLA { get; set; } = 0x00;
public byte INS { get; set; } = 0x00;
public byte P1 { get; set; } = 0x00;
public byte P2 { get; set; } = 0x00;
public byte LC
{
get
{
return (byte)Data.Length;
}
}
public byte[] Data { get; set; }
public byte LE { get; set; } = 0x00;
#endregion
#region Methods
public byte[] ToArray()
{
throw new NotImplementedException();
byte[] header = ByteOperation.Concatenate(new byte[] { CLA }, new byte[] { INS }, new byte[] { P1 }, new byte[] { P2 });
switch (Case)
{
case IsoCase.Case1:
/* Regarding to OpenSC: T0 needs one additional
* byte containing 0x00. */
if (Protocol == SCardProtocol.T0)
{
return ByteOperation.Concatenate(header, new byte[] { 0x00 });
}
else
{
return header;
}
case IsoCase.Case2Short:
return ByteOperation.Concatenate(header, new byte[] { LE });
case IsoCase.Case3Short:
return ByteOperation.Concatenate(header, new byte[] { LC }, Data);
case IsoCase.Case4Short:
/* Regarding to OpenSC: T0 has no Le */
if (Protocol == SCardProtocol.T0)
{
return ByteOperation.Concatenate(header, new byte[] { LC }, Data, new byte[] { 0x00 });
}
else
{
return ByteOperation.Concatenate(header, new byte[] { LC }, Data, new byte[] { LE });
}
default:
throw new NotSupportedException(string.Format("IsoCase {0} is not supported.", Case));
}
}
public override bool Equals(object obj)
{
return obj is APDUCommand command &&
Case == command.Case &&
Protocol == command.Protocol &&
CLA == command.CLA &&
INS == command.INS &&
P1 == command.P1 &&
P2 == command.P2 &&
Data.SequenceEqual(command.Data) &&
LE == command.LE;
}
public override int GetHashCode()
{
int hashCode = -98047210;
hashCode = hashCode * -1521134295 + Case.GetHashCode();
hashCode = hashCode * -1521134295 + Protocol.GetHashCode();
hashCode = hashCode * -1521134295 + CLA.GetHashCode();
hashCode = hashCode * -1521134295 + INS.GetHashCode();
hashCode = hashCode * -1521134295 + P1.GetHashCode();
hashCode = hashCode * -1521134295 + P2.GetHashCode();
hashCode = hashCode * -1521134295 + LC.GetHashCode();
hashCode = hashCode * -1521134295 + EqualityComparer<byte[]>.Default.GetHashCode(Data);
hashCode = hashCode * -1521134295 + LE.GetHashCode();
return hashCode;
}
public override string ToString()
{
string pattern_case1 = "(CASE: 1) CLA: 0x{0:x} | INS: 0x{1:x} | P1: 0x{2:x} | P2: 0x{3:x}";
string pattern_case2 = "(CASE: 2) CLA: 0x{0:x} | INS: 0x{1:x} | P1: 0x{2:x} | P2: 0x{3:x} | LE: 0x{4:x} |";
string pattern_case3 = "(CASE: 3) CLA: 0x{0:x} | INS: 0x{1:x} | P1: 0x{2:x} | P2: 0x{3:x} | LC: 0x{4:x} | Data: {5:x}";
string pattern_case4 = "(CASE: 4) CLA: 0x{0:x} | INS: 0x{1:x} | P1: 0x{2:x} | P2: 0x{3:x} | LC: 0x{4:x} | Data: {5:x} | LE: 0x{6:x} |";
switch (Case)
{
case IsoCase.Case1:
return string.Format(pattern_case1, CLA, INS, P1, P2);
case IsoCase.Case2Short:
case IsoCase.Case2Extended:
return string.Format(pattern_case2, CLA, INS, P1, P2, LE);
case IsoCase.Case3Short:
case IsoCase.Case3Extended:
return string.Format(pattern_case3, CLA, INS, P1, P2, LC, BitConverter.ToString(Data).Replace("-", "").ToLower());
case IsoCase.Case4Short:
case IsoCase.Case4Extended:
return string.Format(pattern_case4, CLA, INS, P1, P2, LC, BitConverter.ToString(Data).Replace("-", "").ToLower(), LE);
default:
throw new Exception("Unknown IsoCase");
}
}
#endregion
#region Operator Overloading
public static bool operator ==(APDUCommand obj1, APDUCommand obj2)
{
return obj1.Equals(obj2);
}
public static bool operator !=(APDUCommand obj1, APDUCommand obj2)
{
return !(obj1.Equals(obj2));
}
#endregion
}
}

266
NFC/Cards/NXP MIFARE DESFire/NXP_MIFARE_DESFire.cs
View File

@ -34,7 +34,7 @@ namespace NFC.Cards.NXP_MIFARE_DESFire
/// <summary>
/// ICard Implementation used to transmit APDUCommands and recive APDUResponses
/// </summary>
private ICard _Card;
private readonly ICard _Card;
/// <summary>
/// SessionKey, is set after Successfull Authentication
@ -50,38 +50,6 @@ namespace NFC.Cards.NXP_MIFARE_DESFire
#region Methods
#region Helper Methods
/// <summary>
/// Generate Byte Array filled with 0
/// </summary>
/// <param name="size">Size of Array</param>
public byte[] GenerateEmptyArray(uint size)
{
byte[] key = new byte[size];
for (int i = 0; i < size; i++)
{
key[i] = 0;
}
return key;
}
/// <summary>
/// Get Range of Array Elements
/// </summary>
/// <param name="array">Array</param>
/// <param name="offset">Offset in Byte</param>
/// <param name="length">Lenght to read in Byte</param>
/// <returns>new Array with Range of Array Elements</returns>
public byte[] GetSubArray(byte[] array, long offset, long length)
{
byte[] subarray = new byte[length];
for (long i = offset; i < offset + length; i++)
{
subarray[i - offset] = array[i];
}
return subarray;
}
/// <summary>
/// Check APDU Response for DESFire Error Codes
/// https://www.nxp.com/docs/en/data-sheet/MF2DLHX0.pdf
@ -138,167 +106,6 @@ namespace NFC.Cards.NXP_MIFARE_DESFire
#endregion
#region Crypto Operation
/// <summary>
/// Return a copy of the last Block of data
/// </summary>
/// <param name="data">Data compatible to blocksize</param>
/// <param name="blocksize">in byte</param>
public byte[] ExtractLastBlock(byte[] data, uint blocksize)
{
if (data == null)
{
throw new ArgumentNullException("Data cannot be null.");
}
if (data.Length % blocksize != 0)
{
throw new ArgumentException(string.Format("Data is not compatible with blocksize(data(length):{0}, blocksize:{1}.", data.Length, blocksize));
}
byte[] lastblock = new byte[blocksize];
for (int i = 0; i < blocksize; i++)
{
lastblock[i] = data[data.Length - blocksize + i];
}
return lastblock;
}
/// <summary>
/// Expand Array to Block Size, fill with 0x00
/// </summary>
/// <param name="data"></param>
public byte[] ExpandToBlockSize(byte[] data, uint bocksize)
{
if (data == null)
{
throw new ArgumentNullException("Data cannot be null.");
}
int diff = data.Length % (int)bocksize;
if (diff == 0)
{
return data;
}
byte[] expand = new byte[data.Length + bocksize - diff];
data.CopyTo(expand, 0);
for (int i = expand.Length - 1; i > data.Length - 1; i--)
{
expand[i] = 0x00;
}
return expand;
}
/// <summary>
/// Rotates Array to the left
/// </summary>
/// <param name="data">Data</param>
/// <returns>Copy of data</returns>
public byte[] RotateLeft(byte[] data)
{
if (data == null)
{
throw new ArgumentNullException("Data cannot be null.");
}
byte[] rotate = new byte[data.Length];
data.CopyTo(rotate, 0);
byte tmp = rotate[0];
for (var i = 0; i < rotate.Length - 1; i++)
{
rotate[i] = rotate[i + 1];
}
rotate[rotate.Length - 1] = tmp;
return rotate;
}
/// <summary>
/// Rotates Array to the right
/// </summary>
/// <param name="data">Data</param>
/// <returns>Copy of data</returns>
public byte[] RotateRight(byte[] data)
{
if (data == null)
{
throw new ArgumentNullException("Data cannot be null.");
}
byte[] rotate = new byte[data.Length];
data.CopyTo(rotate, 0);
byte tmp = rotate[rotate.Length - 1];
for (var i = rotate.Length - 1; i > 0; i--)
{
rotate[i] = rotate[i - 1];
}
rotate[0] = tmp;
return rotate;
}
/// <summary>
/// Concatenates Arrays
/// </summary>
/// <param name="data">List of Byte Array</param>
public byte[] Concatenate(params byte[][] data)
{
if (data == null)
{
throw new ArgumentNullException("Data cannot be null.");
}
List<byte> cat = new List<byte>();
foreach (byte[] d in data)
{
cat.AddRange(d);
}
return cat.ToArray();
}
/// <summary>
/// Boolean Operation XOR on all Bytes
/// </summary>
/// <param name="a">Array A</param>
/// <param name="b">Array B</param>
/// <returns>Copy of Data</returns>
public byte[] XOR(byte[] a, byte[] b)
{
if (a == null)
{
throw new ArgumentNullException("Array A cannot be null.");
}
if (b == null)
{
throw new ArgumentNullException("Array B cannot be null.");
}
if (a.Length != b.Length)
{
throw new ArgumentException(string.Format("Arrays are not same Length(Length A:{0}, Lenght B:{1})", a.Length, b.Length));
}
byte[] c = new byte[a.Length];
for (int i = 0; i < a.Length; i++)
{
c[i] = (byte)(a[i] ^ b[i]);
}
return c;
}
/// <summary>
/// Generates SessionKey for DES Authentification
/// </summary>
@ -320,7 +127,7 @@ namespace NFC.Cards.NXP_MIFARE_DESFire
}
// DES SessionKey is a double DES Key
return Concatenate(sesssionkey, sesssionkey);
return ByteOperation.Concatenate(sesssionkey, sesssionkey);
}
/// <summary>
@ -484,12 +291,12 @@ namespace NFC.Cards.NXP_MIFARE_DESFire
_Log.DebugFormat("rndB_enc: {0}", HexConverter.ConvertToHexString(rndB_enc));
TDES des = new TDES();
byte[] rndB = des.Decrypt(rndB_enc, key, GenerateEmptyArray(8));
byte[] rndB = des.Decrypt(rndB_enc, key, ByteOperation.GenerateEmptyArray(8));
_Log.DebugFormat("rndB: {0}", HexConverter.ConvertToHexString(rndB));
rndB.CopyTo(iv, 0);
byte[] rndB_rl = RotateLeft(rndB);
byte[] rndB_rl = ByteOperation.RotateLeft(rndB);
_Log.DebugFormat("rndB_enc: {0}", HexConverter.ConvertToHexString(rndB_rl));
if (rndA == null)
@ -500,12 +307,12 @@ namespace NFC.Cards.NXP_MIFARE_DESFire
}
_Log.DebugFormat("rndA: {0}", HexConverter.ConvertToHexString(rndA));
byte[] rndAB = Concatenate(rndA, rndB_rl);
byte[] rndAB = ByteOperation.Concatenate(rndA, rndB_rl);
_Log.DebugFormat("rndAB: {0}", HexConverter.ConvertToHexString(rndAB));
byte[] rndAB_enc = des.Encrypt(rndAB, key, rndB_enc);
_Log.DebugFormat("rndAB_enc: {0}", HexConverter.ConvertToHexString(rndAB_enc));
iv = ExtractLastBlock(rndAB_enc, 8);
iv = ByteOperation.ExtractLastBlock(rndAB_enc, 8);
APDUCommand cmd_challange_response = new APDUCommand(IsoCase.Case4Short)
{
@ -526,7 +333,7 @@ namespace NFC.Cards.NXP_MIFARE_DESFire
byte[] rotatedRndAFromCard = des.Decrypt(encryptedRndAFromCard, key, iv);
_Log.DebugFormat("rotatedRndAFromCard: {0}", HexConverter.ConvertToHexString(rotatedRndAFromCard));
byte[] rndAFromCard = RotateRight(rotatedRndAFromCard);
byte[] rndAFromCard = ByteOperation.RotateRight(rotatedRndAFromCard);
_Log.DebugFormat("rndAFromCard: {0}", HexConverter.ConvertToHexString(rndAFromCard));
if (!rndA.SequenceEqual(rndAFromCard))
@ -539,7 +346,7 @@ namespace NFC.Cards.NXP_MIFARE_DESFire
_SessionKey = GenerateSesionKey_DES(rndA, rndB);
_Log.DebugFormat("SessionKey: {0}", HexConverter.ConvertToHexString(_SessionKey));
_IV = GenerateEmptyArray(8);
_IV = ByteOperation.GenerateEmptyArray(8);
_Log.DebugFormat("IV: {0}", HexConverter.ConvertToHexString(_IV));
}
@ -637,12 +444,12 @@ namespace NFC.Cards.NXP_MIFARE_DESFire
_Log.DebugFormat("rndB_enc: {0}", HexConverter.ConvertToHexString(rndB_enc));
AES aes = new AES();
byte[] rndB = aes.Decrypt(rndB_enc, key, GenerateEmptyArray(16));
byte[] rndB = aes.Decrypt(rndB_enc, key, ByteOperation.GenerateEmptyArray(16));
_Log.DebugFormat("rndB: {0}", HexConverter.ConvertToHexString(rndB));
rndB.CopyTo(iv, 0);
byte[] rndB_rl = RotateLeft(rndB);
byte[] rndB_rl = ByteOperation.RotateLeft(rndB);
_Log.DebugFormat("rndB_enc: {0}", HexConverter.ConvertToHexString(rndB_rl));
if (rndA == null)
@ -653,12 +460,12 @@ namespace NFC.Cards.NXP_MIFARE_DESFire
}
_Log.DebugFormat("rndA: {0}", HexConverter.ConvertToHexString(rndA));
byte[] rndAB = Concatenate(rndA, rndB_rl);
byte[] rndAB = ByteOperation.Concatenate(rndA, rndB_rl);
_Log.DebugFormat("rndAB: {0}", HexConverter.ConvertToHexString(rndAB));
byte[] rndAB_enc = aes.Encrypt(rndAB, key, rndB_enc);
_Log.DebugFormat("rndAB_enc: {0}", HexConverter.ConvertToHexString(rndAB_enc));
iv = ExtractLastBlock(rndAB_enc, 16);
iv = ByteOperation.ExtractLastBlock(rndAB_enc, 16);
APDUCommand cmd_challange_response = new APDUCommand(IsoCase.Case4Short)
{
@ -679,7 +486,7 @@ namespace NFC.Cards.NXP_MIFARE_DESFire
byte[] rotatedRndAFromCard = aes.Decrypt(encryptedRndAFromCard, key, iv);
_Log.DebugFormat("rotatedRndAFromCard: {0}", HexConverter.ConvertToHexString(rotatedRndAFromCard));
byte[] rndAFromCard = RotateRight(rotatedRndAFromCard);
byte[] rndAFromCard = ByteOperation.RotateRight(rotatedRndAFromCard);
_Log.DebugFormat("rndAFromCard: {0}", HexConverter.ConvertToHexString(rndAFromCard));
if (!rndA.SequenceEqual(rndAFromCard))
@ -690,7 +497,7 @@ namespace NFC.Cards.NXP_MIFARE_DESFire
_SessionKey = GenerateSesionKey_AES(rndA, rndB);
_Log.DebugFormat("SessionKey: {0}", HexConverter.ConvertToHexString(_SessionKey));
_IV = GenerateEmptyArray(16);
_IV = ByteOperation.GenerateEmptyArray(16);
_Log.DebugFormat("IV: {0}", HexConverter.ConvertToHexString(_IV));
}
@ -716,28 +523,28 @@ namespace NFC.Cards.NXP_MIFARE_DESFire
_Log.DebugFormat("header: {0}", HexConverter.ConvertToHexString(header));
// AES Key Version is Append to Key
byte[] key_and_version = Concatenate(new_key, new byte[] { key_version });
byte[] command = Concatenate(header, key_and_version);
byte[] key_and_version = ByteOperation.Concatenate(new_key, new byte[] { key_version });
byte[] command = ByteOperation.Concatenate(header, key_and_version);
_Log.DebugFormat("command: {0}", HexConverter.ConvertToHexString(command));
CRC32 crc32 = new CRC32();
byte[] crc = crc32.Calculate(command);
_Log.DebugFormat("crc: {0}", HexConverter.ConvertToHexString(crc));
byte[] cryptogram = Concatenate(key_and_version, crc);
byte[] cryptogram = ByteOperation.Concatenate(key_and_version, crc);
_Log.DebugFormat("cryptogram: {0}", HexConverter.ConvertToHexString(cryptogram));
byte[] cryptogram_block = ExpandToBlockSize(cryptogram, 16);
byte[] cryptogram_block = ByteOperation.ExpandToBlockSize(cryptogram, 16);
_Log.DebugFormat("cryptogram_block: {0}", HexConverter.ConvertToHexString(cryptogram_block));
AES aes = new AES();
byte[] cryptogram_enc = aes.Encrypt(cryptogram_block, _SessionKey, _IV);
_Log.DebugFormat("cryptogram_enc: {0}", HexConverter.ConvertToHexString(cryptogram_enc));
_IV = ExtractLastBlock(cryptogram_enc, 16);
_IV = ByteOperation.ExtractLastBlock(cryptogram_enc, 16);
_Log.DebugFormat("_IV: {0}", HexConverter.ConvertToHexString(_IV));
byte[] data = Concatenate(new byte[] { key_id }, cryptogram_enc);
byte[] data = ByteOperation.Concatenate(new byte[] { key_id }, cryptogram_enc);
_Log.DebugFormat("data: {0}", HexConverter.ConvertToHexString(data));
APDUCommand cmd_ChangeKey = new APDUCommand(IsoCase.Case4Short)
@ -775,11 +582,11 @@ namespace NFC.Cards.NXP_MIFARE_DESFire
};
_Log.DebugFormat("header: {0}", HexConverter.ConvertToHexString(header));
byte[] key_xor = XOR(new_key, old_key);
byte[] key_xor = ByteOperation.XOR(new_key, old_key);
// AES Key Version is Append to Key
byte[] key_and_version = Concatenate(key_xor, new byte[] { key_version });
byte[] command = Concatenate(header, key_and_version);
byte[] key_and_version = ByteOperation.Concatenate(key_xor, new byte[] { key_version });
byte[] command = ByteOperation.Concatenate(header, key_and_version);
_Log.DebugFormat("command: {0}", HexConverter.ConvertToHexString(command));
CRC32 crc32 = new CRC32();
@ -788,21 +595,21 @@ namespace NFC.Cards.NXP_MIFARE_DESFire
byte[] crc_key = crc32.Calculate(new_key);
_Log.DebugFormat("crc_key: {0}", HexConverter.ConvertToHexString(crc_key));
byte[] cryptogram = Concatenate(key_and_version, crc_cmd);
cryptogram = Concatenate(cryptogram, crc_key);
byte[] cryptogram = ByteOperation.Concatenate(key_and_version, crc_cmd);
cryptogram = ByteOperation.Concatenate(cryptogram, crc_key);
_Log.DebugFormat("cryptogram: {0}", HexConverter.ConvertToHexString(cryptogram));
byte[] cryptogram_block = ExpandToBlockSize(cryptogram, 16);
byte[] cryptogram_block = ByteOperation.ExpandToBlockSize(cryptogram, 16);
_Log.DebugFormat("cryptogram_block: {0}", HexConverter.ConvertToHexString(cryptogram_block));
AES aes = new AES();
byte[] cryptogram_enc = aes.Encrypt(cryptogram_block, _SessionKey, _IV);
_Log.DebugFormat("cryptogram_enc: {0}", HexConverter.ConvertToHexString(cryptogram_enc));
_IV = ExtractLastBlock(cryptogram_enc, 16);
_IV = ByteOperation.ExtractLastBlock(cryptogram_enc, 16);
_Log.DebugFormat("_IV: {0}", HexConverter.ConvertToHexString(_IV));
byte[] data = Concatenate(new byte[] { key_id }, cryptogram_enc);
byte[] data = ByteOperation.Concatenate(new byte[] { key_id }, cryptogram_enc);
_Log.DebugFormat("data: {0}", HexConverter.ConvertToHexString(data));
APDUCommand cmd_ChangeKey = new APDUCommand(IsoCase.Case4Short)
@ -854,7 +661,7 @@ namespace NFC.Cards.NXP_MIFARE_DESFire
{
CLA = 0x90,
INS = 0xCD,
Data = Concatenate(data, accessRights_byte, size_byte)
Data = ByteOperation.Concatenate(data, accessRights_byte, size_byte)
};
_Log.Debug(cmd_CreateFile_Standard.ToString());
@ -900,8 +707,7 @@ namespace NFC.Cards.NXP_MIFARE_DESFire
offset_byte_tolong[2],
};
long bytes_towrite = 0;
long bytes_towrite;
if (length - bytes_writed < max_write_bytes_pre_transaction)
{
bytes_towrite = length - bytes_writed;
@ -913,7 +719,7 @@ namespace NFC.Cards.NXP_MIFARE_DESFire
byte[] length_byte_tolong = BitConverter.GetBytes(bytes_towrite);
write_buffer = GetSubArray(data, bytes_writed, bytes_towrite);
write_buffer = ByteOperation.GetSubArray(data, bytes_writed, bytes_towrite);
bytes_writed += bytes_towrite;
// Use only 3 Bytes
@ -928,7 +734,7 @@ namespace NFC.Cards.NXP_MIFARE_DESFire
{
CLA = 0x90,
INS = 0x3D,
Data = Concatenate(file_id_array, offset_byte, length_byte, write_buffer)
Data = ByteOperation.Concatenate(file_id_array, offset_byte, length_byte, write_buffer)
};
_Log.Debug(cmd_WriteData.ToString());
@ -955,7 +761,6 @@ namespace NFC.Cards.NXP_MIFARE_DESFire
int max_read_bytes_pre_transaction = 47;
long bytes_readed = 0;
byte[] readbuffer = new byte[47];
List<byte> read_data = new List<byte>();
@ -975,8 +780,7 @@ namespace NFC.Cards.NXP_MIFARE_DESFire
offset_byte_tolong[2],
};
long bytes_toread = 0;
long bytes_toread;
if (length - bytes_readed < max_read_bytes_pre_transaction)
{
bytes_toread = length - bytes_readed;
@ -1001,7 +805,7 @@ namespace NFC.Cards.NXP_MIFARE_DESFire
{
CLA = 0x90,
INS = 0xBD,
Data = Concatenate(data, offset_byte, length_byte)
Data = ByteOperation.Concatenate(data, offset_byte, length_byte)
};
_Log.Debug(cmd_ReadData.ToString());
@ -1011,7 +815,7 @@ namespace NFC.Cards.NXP_MIFARE_DESFire
CheckAPDUResponse(response);
// Remove CMAC from Body
read_data.AddRange(GetSubArray(response.Body, 0, bytes_toread));
read_data.AddRange(ByteOperation.GetSubArray(response.Body, 0, bytes_toread));
}
return read_data.ToArray();

200
NFC/Helper/ByteOperation.cs Normal file
View File

@ -0,0 +1,200 @@
using System;
using System.Collections.Generic;
namespace NFC.Helper
{
public static class ByteOperation
{
/// <summary>
/// Generate Byte Array filled with 0
/// </summary>
/// <param name="size">Size of Array</param>
public static byte[] GenerateEmptyArray(uint size)
{
byte[] key = new byte[size];
for (int i = 0; i < size; i++)
{
key[i] = 0;
}
return key;
}
/// <summary>
/// Get Range of Array Elements
/// </summary>
/// <param name="array">Array</param>
/// <param name="offset">Offset in Byte</param>
/// <param name="length">Lenght to read in Byte</param>
/// <returns>new Array with Range of Array Elements</returns>
public static byte[] GetSubArray(byte[] array, long offset, long length)
{
byte[] subarray = new byte[length];
for (long i = offset; i < offset + length; i++)
{
subarray[i - offset] = array[i];
}
return subarray;
}
/// <summary>
/// Return a copy of the last Block of data
/// </summary>
/// <param name="data">Data compatible to blocksize</param>
/// <param name="blocksize">in byte</param>
public static byte[] ExtractLastBlock(byte[] data, uint blocksize)
{
if (data == null)
{
throw new ArgumentNullException("Data cannot be null.");
}
if (data.Length % blocksize != 0)
{
throw new ArgumentException(string.Format("Data is not compatible with blocksize(data(length):{0}, blocksize:{1}.", data.Length, blocksize));
}
byte[] lastblock = new byte[blocksize];
for (int i = 0; i < blocksize; i++)
{
lastblock[i] = data[data.Length - blocksize + i];
}
return lastblock;
}
/// <summary>
/// Expand Array to Block Size, fill with 0x00
/// </summary>
/// <param name="data"></param>
public static byte[] ExpandToBlockSize(byte[] data, uint bocksize)
{
if (data == null)
{
throw new ArgumentNullException("Data cannot be null.");
}
int diff = data.Length % (int)bocksize;
if (diff == 0)
{
return data;
}
byte[] expand = new byte[data.Length + bocksize - diff];
data.CopyTo(expand, 0);
for (int i = expand.Length - 1; i > data.Length - 1; i--)
{
expand[i] = 0x00;
}
return expand;
}
/// <summary>
/// Rotates Array to the left
/// </summary>
/// <param name="data">Data</param>
/// <returns>Copy of data</returns>
public static byte[] RotateLeft(byte[] data)
{
if (data == null)
{
throw new ArgumentNullException("Data cannot be null.");
}
byte[] rotate = new byte[data.Length];
data.CopyTo(rotate, 0);
byte tmp = rotate[0];
for (var i = 0; i < rotate.Length - 1; i++)
{
rotate[i] = rotate[i + 1];
}
rotate[rotate.Length - 1] = tmp;
return rotate;
}
/// <summary>
/// Rotates Array to the right
/// </summary>
/// <param name="data">Data</param>
/// <returns>Copy of data</returns>
public static byte[] RotateRight(byte[] data)
{
if (data == null)
{
throw new ArgumentNullException("Data cannot be null.");
}
byte[] rotate = new byte[data.Length];
data.CopyTo(rotate, 0);
byte tmp = rotate[rotate.Length - 1];
for (var i = rotate.Length - 1; i > 0; i--)
{
rotate[i] = rotate[i - 1];
}
rotate[0] = tmp;
return rotate;
}
/// <summary>
/// Concatenates Arrays
/// </summary>
/// <param name="data">List of Byte Array</param>
public static byte[] Concatenate(params byte[][] data)
{
if (data == null)
{
throw new ArgumentNullException("Data cannot be null.");
}
List<byte> cat = new List<byte>();
foreach (byte[] d in data)
{
cat.AddRange(d);
}
return cat.ToArray();
}
/// <summary>
/// Boolean Operation XOR on all Bytes
/// </summary>
/// <param name="a">Array A</param>
/// <param name="b">Array B</param>
/// <returns>Copy of Data</returns>
public static byte[] XOR(byte[] a, byte[] b)
{
if (a == null)
{
throw new ArgumentNullException("Array A cannot be null.");
}
if (b == null)
{
throw new ArgumentNullException("Array B cannot be null.");
}
if (a.Length != b.Length)
{
throw new ArgumentException(string.Format("Arrays are not same Length(Length A:{0}, Lenght B:{1})", a.Length, b.Length));
}
byte[] c = new byte[a.Length];
for (int i = 0; i < a.Length; i++)
{
c[i] = (byte)(a[i] ^ b[i]);
}
return c;
}
}
}

10
NFC/IsoCase.cs
View File

@ -1,10 +1,16 @@
namespace NFC
{
/// <summary>
/// https://github.com/danm-de/pcsc-sharp/blob/246fc4303190184d6acd98a2d66f48cb7ffd7094/src/PCSC.Iso7816/IsoCase.cs
/// </summary>
public enum IsoCase
{
Case4Short,
Case1,
Case2Short,
Case3Short,
Case1
Case4Short,
Case2Extended,
Case3Extended,
Case4Extended
}
}

15
NFC/SCardProtocol.cs Normal file
View File

@ -0,0 +1,15 @@
namespace NFC
{
/// <summary>
/// https://github.com/danm-de/pcsc-sharp/blob/246fc4303190184d6acd98a2d66f48cb7ffd7094/src/PCSC/SCardProtocol.cs
/// </summary>
public enum SCardProtocol
{
UNSET,
T0,
T1,
RAW,
T15,
ANY
}
}

75
NFC_PCSC/Card_PCSC.cs
View File

@ -8,8 +8,8 @@ namespace NFC_PCSC
{
public class Card_PCSC : ICard
{
private IsoReader _ISOReader;
private string _ReaderID;
private readonly IsoReader _ISOReader;
private readonly string _ReaderID;
public Card_PCSC(IsoReader isoreader, string readerID)
{
@ -18,7 +18,7 @@ namespace NFC_PCSC
}
public void Connect()
{
_ISOReader.Connect(_ReaderID, SCardShareMode.Shared, SCardProtocol.Any);
_ISOReader.Connect(_ReaderID, SCardShareMode.Shared, PCSC.SCardProtocol.Any);
}
public void Disconnect()
@ -28,17 +28,53 @@ namespace NFC_PCSC
public APDUResponse Transmit(APDUCommand apdu_cmd)
{
Response response = _ISOReader.Transmit(Convert(apdu_cmd));
Response response = _ISOReader.Transmit(ConvertAPDUCommand(apdu_cmd));
return Convert(response);
}
public CommandApdu Convert(APDUCommand apdu_cmd)
public CommandApdu ConvertAPDUCommand(APDUCommand apdu_cmd)
{
throw new NotImplementedException();
return new CommandApdu(ConvertISOCase(apdu_cmd.Case), SCardProtocol.Any)
switch(apdu_cmd.Case)
{
};
case NFC.IsoCase.Case1:
return new CommandApdu(ConvertISOCase(apdu_cmd.Case), ConvertSCardProtocol(apdu_cmd.Protocol))
{
CLA = apdu_cmd.CLA,
INS = apdu_cmd.INS,
P1 = apdu_cmd.P1,
P2 = apdu_cmd.P2
};
case NFC.IsoCase.Case2Short:
return new CommandApdu(ConvertISOCase(apdu_cmd.Case), ConvertSCardProtocol(apdu_cmd.Protocol))
{
CLA = apdu_cmd.CLA,
INS = apdu_cmd.INS,
P1 = apdu_cmd.P1,
P2 = apdu_cmd.P2,
Le = apdu_cmd.LE
};
case NFC.IsoCase.Case3Short:
return new CommandApdu(ConvertISOCase(apdu_cmd.Case), ConvertSCardProtocol(apdu_cmd.Protocol))
{
CLA = apdu_cmd.CLA,
INS = apdu_cmd.INS,
P1 = apdu_cmd.P1,
P2 = apdu_cmd.P2,
Data = apdu_cmd.Data
};
case NFC.IsoCase.Case4Short:
return new CommandApdu(ConvertISOCase(apdu_cmd.Case), ConvertSCardProtocol(apdu_cmd.Protocol))
{
CLA = apdu_cmd.CLA,
INS = apdu_cmd.INS,
P1 = apdu_cmd.P1,
P2 = apdu_cmd.P2,
Data = apdu_cmd.Data,
Le = apdu_cmd.LE
};
default:
throw new Exception("Unknown IsoCase");
}
}
public PCSC.Iso7816.IsoCase ConvertISOCase(NFC.IsoCase isoCase)
@ -58,6 +94,27 @@ namespace NFC_PCSC
}
}
public PCSC.SCardProtocol ConvertSCardProtocol(NFC.SCardProtocol sCardProtocol)
{
switch (sCardProtocol)
{
case NFC.SCardProtocol.UNSET:
return PCSC.SCardProtocol.Unset;
case NFC.SCardProtocol.T0:
return PCSC.SCardProtocol.T0;
case NFC.SCardProtocol.T1:
return PCSC.SCardProtocol.T1;
case NFC.SCardProtocol.RAW:
return PCSC.SCardProtocol.Raw;
case NFC.SCardProtocol.T15:
return PCSC.SCardProtocol.T15;
case NFC.SCardProtocol.ANY:
return PCSC.SCardProtocol.Any;
default:
throw new NotSupportedException("Unknown SCardProtocol");
}
}
public APDUResponse Convert(Response response)
{
ResponseApdu responseApdu = response.Get(0);

6
NFC_PCSC/Hardware_PCSC.cs
View File

@ -8,10 +8,8 @@ namespace NFC_PCSC
public string[] GetReaders()
{
var contextFactory = ContextFactory.Instance;
using (var context = contextFactory.Establish(SCardScope.System))
{
return context.GetReaders();
}
using var context = contextFactory.Establish(SCardScope.System);
return context.GetReaders();
}
public bool IsAvailable()

289
NFC_Test/Cards/MIFARE_DESFire_Test.cs
View File

@ -15,42 +15,6 @@ namespace NFC_Test.Cards
public class MIFARE_DESFire_Test
{
#region Helper Methods
[Test]
public void GenerateEmptyArray()
{
uint i = 16;
NXP_MIFARE_DESFire desfire = new NXP_MIFARE_DESFire(null);
byte[] data = desfire.GenerateEmptyArray(i);
for (int e = 0; e < i; e++)
{
if (data[e] != 0x00)
{
Assert.Fail("Data is not 0x00");
}
}
}
[Test]
public void GetSubArray()
{
byte[] array = new byte[]
{
0x01, 0x02, 0x03, 0x04, 0x05
};
byte[] expected_subarray = new byte[]
{
0x02, 0x03, 0x04
};
NXP_MIFARE_DESFire desfire = new NXP_MIFARE_DESFire(null);
Assert.AreEqual(expected_subarray, desfire.GetSubArray(array, 1, 3));
}
[Test]
public void CheckAPDUResponse__NULL()
{
@ -338,259 +302,6 @@ namespace NFC_Test.Cards
#endregion
#region Crypto Operation
[Test]
public void ExtractLastBlock()
{
byte[] data = new byte[]
{
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01
};
byte[] expected_lastblock = new byte[]
{
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01
};
NXP_MIFARE_DESFire desfire = new NXP_MIFARE_DESFire(null);
byte[] lastblock = desfire.ExtractLastBlock(data, 8);
Assert.AreEqual(expected_lastblock, lastblock);
}
[Test]
public void ExtractLastBlock_WrongBlocksize()
{
byte[] data = new byte[]
{
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01
};
NXP_MIFARE_DESFire desfire = new NXP_MIFARE_DESFire(null);
Assert.Throws<ArgumentException>(
delegate
{
byte[] lastblock = desfire.ExtractLastBlock(data, 7);
});
}
[Test]
public void ExtractLastBlock_Null()
{
byte[] data = null;
NXP_MIFARE_DESFire desfire = new NXP_MIFARE_DESFire(null);
Assert.Throws<ArgumentNullException>(
delegate
{
byte[] lastblock = desfire.ExtractLastBlock(data, 7);
});
}
[Test]
public void ExpandToBlockSize()
{
byte[] data = new byte[]
{
0x00, 0x00, 0x00, 0x00, 0x00, 0x01
};
byte[] expected_lastblock = new byte[]
{
0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00
};
NXP_MIFARE_DESFire desfire = new NXP_MIFARE_DESFire(null);
byte[] lastblock = desfire.ExpandToBlockSize(data, 8);
Assert.AreEqual(expected_lastblock, lastblock);
}
[Test]
public void ExpandToBlockSize_Null()
{
byte[] data = null;
NXP_MIFARE_DESFire desfire = new NXP_MIFARE_DESFire(null);
Assert.Throws<ArgumentNullException>(
delegate
{
byte[] lastblock = desfire.ExpandToBlockSize(data, 8);
});
}
[Test]
public void RotateLeft()
{
byte[] data = new byte[]
{
0x01, 0x02, 0x03, 0x04
};
byte[] expected_data_left = new byte[]
{
0x02, 0x03, 0x04, 0x01
};
NXP_MIFARE_DESFire desfire = new NXP_MIFARE_DESFire(null);
byte[] data_left = desfire.RotateLeft(data);
Assert.AreEqual(expected_data_left, data_left);
}
[Test]
public void RotateLeft_Null()
{
NXP_MIFARE_DESFire desfire = new NXP_MIFARE_DESFire(null);
Assert.Throws<ArgumentNullException>(
delegate
{
byte[] lastblock = desfire.RotateLeft(null);
});
}
[Test]
public void RotateRight()
{
byte[] data = new byte[]
{
0x01, 0x02, 0x03, 0x04
};
byte[] expected_data_left = new byte[]
{
0x04, 0x01, 0x02, 0x03
};
NXP_MIFARE_DESFire desfire = new NXP_MIFARE_DESFire(null);
byte[] data_left = desfire.RotateRight(data);
Assert.AreEqual(expected_data_left, data_left);
}
[Test]
public void RotateRight_Null()
{
NXP_MIFARE_DESFire desfire = new NXP_MIFARE_DESFire(null);
Assert.Throws<ArgumentNullException>(
delegate
{
byte[] lastblock = desfire.RotateRight(null);
});
}
[Test]
public void Concatenate()
{
byte[] data_a = new byte[]
{
0x01, 0x02, 0x03, 0x04
};
byte[] data_b = new byte[]
{
0x05, 0x06, 0x07, 0x08
};
byte[] expected_data_c = new byte[]
{
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08
};
NXP_MIFARE_DESFire desfire = new NXP_MIFARE_DESFire(null);
byte[] data_c = desfire.Concatenate(data_a, data_b);
Assert.AreEqual(expected_data_c, data_c);
}
[Test]
public void Concatenate_ABC()
{
byte[] data_a = new byte[]
{
0x01, 0x02, 0x03, 0x04
};
byte[] data_b = new byte[]
{
0x05, 0x06, 0x07, 0x08
};
byte[] data_c = new byte[]
{
0x09, 0xA0, 0xB0, 0xC0
};
byte[] expected_data_d = new byte[]
{
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0xA0, 0xB0, 0xC0
};
NXP_MIFARE_DESFire desfire = new NXP_MIFARE_DESFire(null);
byte[] data_d = desfire.Concatenate(data_a, data_b, data_c);
Assert.AreEqual(expected_data_d, data_d);
}
[Test]
public void Concatenate_Null()
{
NXP_MIFARE_DESFire desfire = new NXP_MIFARE_DESFire(null);
Assert.Throws<ArgumentNullException>(
delegate
{
byte[] lastblock = desfire.Concatenate(null, null);
});
}
[Test]
public void XOR()
{
byte[] data_a = new byte[]
{
0x00, 0xF0, 0x00, 0xF0
};
byte[] data_b = new byte[]
{
0x0F, 0x00, 0x0F, 0x00
};
byte[] expected_data_c = new byte[]
{
0x0F, 0xF0, 0x0F, 0xF0
};
NXP_MIFARE_DESFire desfire = new NXP_MIFARE_DESFire(null);
byte[] data_c = desfire.XOR(data_a, data_b);
Assert.AreEqual(expected_data_c, data_c);
}
[Test]
public void XOR_null()
{
NXP_MIFARE_DESFire desfire = new NXP_MIFARE_DESFire(null);
Assert.Throws<ArgumentNullException>(
delegate
{
byte[] lastblock = desfire.XOR(null, null);
});
}
[Test]
public void GenerateSessionKey_DES()
{

266
NFC_Test/Helper/ByteOperation_Test.cs Normal file
View File

@ -0,0 +1,266 @@
using NFC.Helper;
using NUnit.Framework;
using System;
namespace NFC_Test.Helper
{
public class ByteOperation_Test
{
[Test]
public void GenerateEmptyArray()
{
uint i = 16;
byte[] data = ByteOperation.GenerateEmptyArray(i);
for (int e = 0; e < i; e++)
{
if (data[e] != 0x00)
{
Assert.Fail("Data is not 0x00");
}
}
}
[Test]
public void GetSubArray()
{
byte[] array = new byte[]
{
0x01, 0x02, 0x03, 0x04, 0x05
};
byte[] expected_subarray = new byte[]
{
0x02, 0x03, 0x04
};
Assert.AreEqual(expected_subarray, ByteOperation.GetSubArray(array, 1, 3));
}
[Test]
public void ExtractLastBlock()
{
byte[] data = new byte[]
{
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01
};
byte[] expected_lastblock = new byte[]
{
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01
};
byte[] lastblock = ByteOperation.ExtractLastBlock(data, 8);
Assert.AreEqual(expected_lastblock, lastblock);
}
[Test]
public void ExtractLastBlock_WrongBlocksize()
{
byte[] data = new byte[]
{
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01
};
Assert.Throws<ArgumentException>(
delegate
{
byte[] lastblock = ByteOperation.ExtractLastBlock(data, 7);
});
}
[Test]
public void ExtractLastBlock_Null()
{
byte[] data = null;
Assert.Throws<ArgumentNullException>(
delegate
{
byte[] lastblock = ByteOperation.ExtractLastBlock(data, 7);
});
}
[Test]
public void ExpandToBlockSize()
{
byte[] data = new byte[]
{
0x00, 0x00, 0x00, 0x00, 0x00, 0x01
};
byte[] expected_lastblock = new byte[]
{
0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00
};
byte[] lastblock = ByteOperation.ExpandToBlockSize(data, 8);
Assert.AreEqual(expected_lastblock, lastblock);
}
[Test]
public void ExpandToBlockSize_Null()
{
byte[] data = null;
Assert.Throws<ArgumentNullException>(
delegate
{
byte[] lastblock = ByteOperation.ExpandToBlockSize(data, 8);
});
}
[Test]
public void RotateLeft()
{
byte[] data = new byte[]
{
0x01, 0x02, 0x03, 0x04
};
byte[] expected_data_left = new byte[]
{
0x02, 0x03, 0x04, 0x01
};
byte[] data_left = ByteOperation.RotateLeft(data);
Assert.AreEqual(expected_data_left, data_left);
}
[Test]
public void RotateLeft_Null()
{
Assert.Throws<ArgumentNullException>(
delegate
{
byte[] lastblock = ByteOperation.RotateLeft(null);
});
}
[Test]
public void RotateRight()
{
byte[] data = new byte[]
{
0x01, 0x02, 0x03, 0x04
};
byte[] expected_data_left = new byte[]
{
0x04, 0x01, 0x02, 0x03
};
byte[] data_left = ByteOperation.RotateRight(data);
Assert.AreEqual(expected_data_left, data_left);
}
[Test]
public void RotateRight_Null()
{
Assert.Throws<ArgumentNullException>(
delegate
{
byte[] lastblock = ByteOperation.RotateRight(null);
});
}
[Test]
public void Concatenate()
{
byte[] data_a = new byte[]
{
0x01, 0x02, 0x03, 0x04
};
byte[] data_b = new byte[]
{
0x05, 0x06, 0x07, 0x08
};
byte[] expected_data_c = new byte[]
{
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08
};
byte[] data_c = ByteOperation.Concatenate(data_a, data_b);
Assert.AreEqual(expected_data_c, data_c);
}
[Test]
public void Concatenate_ABC()
{
byte[] data_a = new byte[]
{
0x01, 0x02, 0x03, 0x04
};
byte[] data_b = new byte[]
{
0x05, 0x06, 0x07, 0x08
};
byte[] data_c = new byte[]
{
0x09, 0xA0, 0xB0, 0xC0
};
byte[] expected_data_d = new byte[]
{
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0xA0, 0xB0, 0xC0
};
byte[] data_d = ByteOperation.Concatenate(data_a, data_b, data_c);
Assert.AreEqual(expected_data_d, data_d);
}
[Test]
public void Concatenate_Null()
{
Assert.Throws<ArgumentNullException>(
delegate
{
byte[] lastblock = ByteOperation.Concatenate(null, null);
});
}
[Test]
public void XOR()
{
byte[] data_a = new byte[]
{
0x00, 0xF0, 0x00, 0xF0
};
byte[] data_b = new byte[]
{
0x0F, 0x00, 0x0F, 0x00
};
byte[] expected_data_c = new byte[]
{
0x0F, 0xF0, 0x0F, 0xF0
};
byte[] data_c = ByteOperation.XOR(data_a, data_b);
Assert.AreEqual(expected_data_c, data_c);
}
[Test]
public void XOR_null()
{
Assert.Throws<ArgumentNullException>(
delegate
{
byte[] lastblock = ByteOperation.XOR(null, null);
});
}
}
}

1
NFC_Test/NFC_Test.csproj
View File

@ -5,6 +5,7 @@
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.9.1" />
<PackageReference Include="NSubstitute" Version="4.2.2" />
<PackageReference Include="NUnit" Version="3.13.1" />
<PackageReference Include="NUnit3TestAdapter" Version="3.17.0" />