/// <summary>
/// Authenticate with key1
/// </summary>
private void btnAuthKeyOne_Click(object sender, RoutedEventArgs e)
{
Gen2.NXP.AES.Tam2Authentication tam2Auth;
Gen2.NXP.AES.Tam1Authentication tam1Auth;
ushort[] Key1, Ichallenge, returnedIchallenge;
byte[] Response, Challenge;
lblDataValue.Content = "";
lblTam2DataValue.Content = "";
lblChallenge1Value.Content = "";
switch (cbxReadDataBank.Text)
{
case "TID":
MemoryProfile = Gen2.NXP.AES.Profile.TID;
break;
case "User":
MemoryProfile = Gen2.NXP.AES.Profile.USER;
break;
case "EPC":
MemoryProfile = Gen2.NXP.AES.Profile.EPC;
break;
}
if (txtbxVerifyKeyOne.Text.Length == 32)
{
byte[] KeytoWrite = ByteFormat.FromHex(txtbxVerifyKeyOne.Text);
Key1 = new ushort[KeytoWrite.Length / 2];
Key1 = ByteConv.ToU16s(KeytoWrite);
}
else
{
MessageBox.Show("Please input valid Key1", "Universal Reader Assistant", MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
byte[] randmNumber = ByteFormat.FromHex(lblRandomChallengeValue.Content.ToString().Replace(" ", ""));
Ichallenge = new ushort[randmNumber.Length / 2];
Ichallenge = ByteConv.ToU16s(randmNumber);
try
{
if ((bool)chkReadData.IsChecked && (bool)chkReadBuffer.IsChecked)
{
//ReadBuffer with Tam2
tam2Auth = new Gen2.NXP.AES.Tam2Authentication(Gen2.NXP.AES.KeyId.KEY1, Key1, Ichallenge, MemoryProfile,
(ushort)Convert.ToUInt32(txtReadStartAddr.Text), (ushort)Convert.ToUInt32(txtReadLength.Text), false);
Gen2.ReadBuffer buffer = new Gen2.NXP.AES.ReadBuffer(0, 256, tam2Auth);
Response = (byte[])objReader.ExecuteTagOp(buffer, searchSelect);
//swap the bytes
for (int i = 0; i < Response.Length; i += 2)
{
SwapBytes(ref Response, i, i + 1);
}
Challenge = DecryptIchallenge(Response.Skip(0).Take(16).ToArray(), ByteConv.ConvertFromUshortArray(Key1)).Skip(6).Take(10).ToArray();
lblDataValue.Content = DecryptCustomData(Response.Skip(16).Take(16).ToArray(), ByteConv.ConvertFromUshortArray(Key1), Response.Skip(0).Take(16).ToArray());
lblChallenge1Value.Content = ByteFormat.ToHex(Challenge, "", " ");
}
else if (chkReadData.IsChecked == false && chkReadBuffer.IsChecked == false)
{
//Auth with tam1
tam1Auth = new Gen2.NXP.AES.Tam1Authentication(Gen2.NXP.AES.KeyId.KEY1, Key1, Ichallenge, true);
Gen2.NXP.AES.Authenticate auth = new Gen2.NXP.AES.Authenticate(tam1Auth);
Response = (byte[])objReader.ExecuteTagOp(auth, searchSelect);
Challenge = DecryptIchallenge(Response.Skip(0).Take(16).ToArray(), ByteConv.ConvertFromUshortArray(Key1)).Skip(6).Take(10).ToArray();
lblChallenge1Value.Content = ByteFormat.ToHex(Challenge, "", " ");
}
else if (chkReadData.IsChecked == false && chkReadBuffer.IsChecked == true)
{
//Readbuffer with Tam1
tam1Auth = new Gen2.NXP.AES.Tam1Authentication(Gen2.NXP.AES.KeyId.KEY1, Key1, Ichallenge, false);
Gen2.ReadBuffer buffer = new Gen2.NXP.AES.ReadBuffer(0, 128, tam1Auth);
Response = (byte[])objReader.ExecuteTagOp(buffer, searchSelect);
//swap the bytes
for (int i = 0; i < Response.Length; i += 2)
{
SwapBytes(ref Response, i, i + 1);
}
Challenge = DecryptIchallenge(Response.Skip(0).Take(16).ToArray(), ByteConv.ConvertFromUshortArray(Key1)).Skip(6).Take(10).ToArray();
lblChallenge1Value.Content = ByteFormat.ToHex(Challenge, "", " ");
lblDataValue.Content = "";
}
else
{
//Authenticate with tam2
tam2Auth = new Gen2.NXP.AES.Tam2Authentication(Gen2.NXP.AES.KeyId.KEY1, Key1, Ichallenge, MemoryProfile,
(ushort)Convert.ToUInt32(txtReadStartAddr.Text), (ushort)Convert.ToUInt32(txtReadLength.Text), true);
Gen2.NXP.AES.Authenticate auth = new Gen2.NXP.AES.Authenticate(tam2Auth);
Response = (byte[])objReader.ExecuteTagOp(auth, searchSelect);
if (Response != null)
{
lblTam2DataValue.Content = ByteFormat.ToHex(Response, "", " ");
}
lblTam2DataValue.Content = DecryptCustomData(Response.Skip(16).Take(16).ToArray(), ByteConv.ConvertFromUshortArray(Key1), Response.Skip(0).Take(16).ToArray());
Challenge = DecryptIchallenge(Response.Skip(0).Take(16).ToArray(), ByteConv.ConvertFromUshortArray(Key1)).Skip(6).Take(10).ToArray();
lblChallenge1Value.Content = ByteFormat.ToHex(Challenge, "", " ");
}
returnedIchallenge = new ushort[Challenge.Length / 2];
returnedIchallenge = ByteConv.ToU16s(Challenge);
if (returnedIchallenge.SequenceEqual(Ichallenge))
{
MessageBox.Show("Tag Successfully Authenticated", "Universal Reader Assistant", MessageBoxButton.OK, MessageBoxImage.Information);
}
else
{
MessageBox.Show("Tag Failed Authentication; Confirm Verification Key is Correct.", "Universal Reader Assistant", MessageBoxButton.OK, MessageBoxImage.Warning);
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Universal Reader Assistant", MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
}
/// <summary>
/// Authenticate with key0
/// </summary>
private void btnAuthKeyZero_Click(object sender, RoutedEventArgs e)
{
//Gen2.NXP.AES.Tam2Authentication tam2Auth;
Gen2.NXP.AES.Tam1Authentication tam1Auth;
ushort[] Key0, Ichallenge, returnedIchallenge;
byte[] Response, Challenge;
lblDataValue.Content = "";
lblTam2DataValue.Content = "";
lblChallenge1Value.Content = "";
switch (cbxReadDataBank.Text)
{
case "TID":
MemoryProfile = Gen2.NXP.AES.Profile.TID;
break;
case "User":
MemoryProfile = Gen2.NXP.AES.Profile.USER;
break;
case "EPC":
MemoryProfile = Gen2.NXP.AES.Profile.EPC;
break;
}
if (txtbxVerifyKeyZero.Text.Length == 32)
{
byte[] KeytoWrite = ByteFormat.FromHex(txtbxVerifyKeyZero.Text);
Key0 = new ushort[KeytoWrite.Length / 2];
Key0 = ByteConv.ToU16s(KeytoWrite);
}
else
{
MessageBox.Show("Please input valid Key0", "Universal Reader Assistant", MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
byte[] randmNumber = ByteFormat.FromHex(lblRandomChallengeValue.Content.ToString().Replace(" ", ""));
Ichallenge = new ushort[randmNumber.Length / 2];
Ichallenge = ByteConv.ToU16s(randmNumber);
try
{
if ((bool)chkReadData.IsChecked && (bool)chkReadBuffer.IsChecked)
{
//ReadBuffer with Tam2
MessageBox.Show("Operation is not supported", "Universal Reader Assistant", MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
else if (chkReadData.IsChecked == false && chkReadBuffer.IsChecked == false)
{
//Authentication with tam1
tam1Auth = new Gen2.NXP.AES.Tam1Authentication(Gen2.NXP.AES.KeyId.KEY0, Key0, true);
Gen2.NXP.AES.Authenticate auth = new Gen2.NXP.AES.Authenticate(tam1Auth);
Response = (byte[])objReader.ExecuteTagOp(auth, searchSelect);
Challenge = DecryptIchallenge(Response.Skip(0).Take(16).ToArray(), ByteConv.ConvertFromUshortArray(Key0)).Skip(6).Take(10).ToArray();
lblChallenge1Value.Content = ByteFormat.ToHex(Challenge, "", " ");
returnedIchallenge = new ushort[Challenge.Length / 2];
returnedIchallenge = ByteConv.ToU16s(Challenge);
byte[] generatedIChallenge = new byte[10];
byte[] tempBuffer = new byte[16];
Array.Copy(Response, 0, generatedIChallenge, 0, 10);
Array.Copy(Response, 10, tempBuffer, 0, 16);
byte[] receivedIChallenge = DecryptIchallenge(tempBuffer, ByteConv.ConvertFromUshortArray(Key0).ToArray());
Array.Copy(receivedIChallenge, 6, receivedIChallenge, 0, 10);
Array.Resize(ref receivedIChallenge, 10);
if (generatedIChallenge.SequenceEqual(receivedIChallenge))
{
MessageBox.Show("Tag Successfully Authenticated", "Universal Reader Assistant", MessageBoxButton.OK, MessageBoxImage.Information);
}
else
{
MessageBox.Show("Tag Failed Authentication; Confirm Verification Key is Correct.", "Universal Reader Assistant", MessageBoxButton.OK, MessageBoxImage.Warning);
}
}
else if (chkReadData.IsChecked == false && chkReadBuffer.IsChecked == true)
{
//Read Buffer with Tam1
tam1Auth = new Gen2.NXP.AES.Tam1Authentication(Gen2.NXP.AES.KeyId.KEY0, Key0, true);
Gen2.ReadBuffer buffer = new Gen2.NXP.AES.ReadBuffer(0, 128, tam1Auth);
Response = (byte[])objReader.ExecuteTagOp(buffer, searchSelect);
Challenge = DecryptIchallenge(Response.Skip(0).Take(16).ToArray(), ByteConv.ConvertFromUshortArray(Key0)).Skip(6).Take(10).ToArray();
lblChallenge1Value.Content = ByteFormat.ToHex(Challenge, "", " ");
lblDataValue.Content = "";
byte[] generatedIChallenge = new byte[10];
byte[] tempBuffer = new byte[16];
Array.Copy(Response, 0, generatedIChallenge, 0, 10);
Array.Copy(Response, 10, tempBuffer, 0, 16);
byte[] receivedIChallenge = DecryptIchallenge(tempBuffer, ByteConv.ConvertFromUshortArray(Key0));
Array.Copy(receivedIChallenge, 6, receivedIChallenge, 0, 10);
Array.Resize(ref receivedIChallenge, 10);
if (generatedIChallenge.SequenceEqual(receivedIChallenge))
{
MessageBox.Show("Tag Successfully Authenticated", "Universal Reader Assistant", MessageBoxButton.OK, MessageBoxImage.Information);
}
else
{
MessageBox.Show("Tag Failed Authentication; Confirm Verification Key is Correct.", "Universal Reader Assistant", MessageBoxButton.OK, MessageBoxImage.Warning);
}
}
else
{
//Authenticate with tam2
MessageBox.Show("Operation is not supported", "Universal Reader Assistant", MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Universal Reader Assistant", MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
}
