public bool sendAutKey(byte[] AutId)
{
byte[] encryptedId = new byte[16];
int status = SecureImageHostWrapper.sendAuthenticationId(AutId, AutId.Length, encryptedId);
if (status != STATUS_SUCCEEDED)
{
return false;
}
Console.WriteLine(Encoding.UTF8.GetString(encryptedId));
socket.Send(encryptedId);
socket.Receive(statusBytes, 0, INT_SIZE, 0);
status = BitConverter.ToInt32(statusBytes, 0);
if (status == STATUS_FAILED)
{
//lblGetS2MsgRet.Text = "Server failed to verify S1 message.";
Console.WriteLine("Server failed to decrypt autId");
return false;
}
else
{
Console.WriteLine("Server decrypt autId");
return true;
}
}
private void refresh()
{
while (true)
{
//refresh the image
SecureImageHostWrapper.refresh();
Thread.Sleep(100);
}
}
private void formClosed(object sender, FormClosedEventArgs e)
{
Hide();
//stop refreshiong
if (refreshThread != null)
{
refreshThread.Abort();
}
StringBuilder builder = new StringBuilder(bufferSize);
//de-init library
SecureImageHostWrapper.close(builder);
//exit application
Application.Exit();
}
private void btnShow_Click(object sender, EventArgs e)
{
//disable the button flickering
flickerTimer.Enabled = false;
flickerCounter = 0;
btnShow.BackColor = SystemColors.Control;
//if there is a PAVP session running - close it
if (sessionExists)
{
//stop refreshing
if (refreshThread != null)
{
refreshThread.Abort();
}
//close session
SecureImageHostWrapper.closePavpSession();
sessionExists = false;
}
//request library to show the image
StringBuilder builder = new StringBuilder(bufferSize);
if (SecureImageHostWrapper.showImage(serverData, panel.Handle, builder))
{
//get number of times presented image can be shown again
sessionExists = true;
//lblNumViews.Text = SecureImageHostWrapper.getRemainingTimes().ToString();
//start a refresh thred to refresh the view periodically
refreshThread = new Thread(new ThreadStart(refresh));
refreshThread.Start();
//UI code
btnShow.Enabled = false;
//rbLoad.Enabled = true;
rbNew.Enabled = true;
//if (rbLoad.Checked)
// rbLoad_CheckedChanged(null, null);
//else
// rbNew_CheckedChanged(null, null);
}
else
{
MessageBox.Show("Failed to show image. " + builder.ToString());
}
}
private bool processS1()
{
IntPtr s1Msg = Marshal.AllocHGlobal(S1_MESSAGE_LEN);
Console.WriteLine("before s1");
int status = SecureImageHostWrapper.GetS1Message(s1Msg);
Console.WriteLine(s1Msg);
Console.WriteLine("after s1");
Console.WriteLine(status);
if (status != STATUS_SUCCEEDED)
{
return(false);
}
else
{
Marshal.Copy(s1Msg, S1MsgToSend, 0, S1MsgToSend.Length);
Marshal.FreeHGlobal(s1Msg);
return(true);
}
}
private void install_Click(object sender, EventArgs e)
{
SecureImageHostWrapper.installApplet();
}
private bool processS3(StringBuilder bulider)
{
//lblGetS3MsgRet.Text = String.Empty;
int status;
IntPtr s3MsgLen = Marshal.AllocHGlobal(INT_SIZE);
//Get S3 message length from the trusted application
status = SecureImageHostWrapper.GetS3MessageLen(s2Message, s2MsgLen, s3MsgLen);
Console.WriteLine("S3 Len: " + s3MsgLen);
Console.WriteLine("status: " + status);
switch (status)
{
case FAILED_TO_GET_S3_LEN:
//lblGetS3MsgRet.Text = "Error: Failed to get S3 message length.";
Console.WriteLine("Error: Failed to get S3 message length.");
break;
case STATUS_SUCCEEDED:
{
byte[] S3MsgLenByteArray = new byte[INT_SIZE];
Marshal.Copy(s3MsgLen, S3MsgLenByteArray, 0, S3MsgLenByteArray.Length);
byte temp;
//convert S3 message length from most significant byte first presentation to most significant byte last presentation
for (int i = 0; i < S3MsgLenByteArray.Length / 2; i++)
{
temp = S3MsgLenByteArray[i];
S3MsgLenByteArray[i] = S3MsgLenByteArray[S3MsgLenByteArray.Length - i - 1];
S3MsgLenByteArray[S3MsgLenByteArray.Length - i - 1] = temp;
}
int s3MessageLenInt = BitConverter.ToInt32(S3MsgLenByteArray, 0);
IntPtr s3Msg = Marshal.AllocHGlobal(s3MessageLenInt);
//Get S3 message from the trusted application
status = SecureImageHostWrapper.GetS3Message(s2Message, s2MsgLen, s3MessageLenInt, s3Msg);
Console.WriteLine("status after getS3: " + status);
switch (status)
{
case INCORRECT_S2_BUFFER:
//lblGetS3MsgRet.Text = "Trusted application received an incorrect S2 message.";
Console.WriteLine("Trusted application received an incorrect S2 message.");
break;
case FAILED_TO_PROCESS_S2:
//lblGetS3MsgRet.Text = "Failed to process S2.";
Console.WriteLine("Failed to process S2.");
break;
case WRONG_INTEL_SIGNED_CERT_TYPE:
//lblGetS3MsgRet.Text = "Verifier's certificate is wrong Intel signed.";
Console.WriteLine("Verifier's certificate is wrong Intel signed.");
break;
case FAILED_TO_GET_SESSION_PARAMS:
//lblGetS3MsgRet.Text = "Failed to get session parameters.";
Console.WriteLine("Failed to get session parameters.");
break;
case FAILED_TO_DISPOSE_SIGMA:
//lblGetS3MsgRet.Text = "Failed to dispose SIGMA.";
Console.WriteLine("Failed to dispose SIGMA.");
break;
//S3 message received successfully
case STATUS_SUCCEEDED:
{
Console.WriteLine("getS3 Success from applet");
//Send S3 message to server for processing and verification
byte[] S3MsgToSend = new byte[s3MessageLenInt];
Marshal.Copy(s3Msg, S3MsgToSend, 0, S3MsgToSend.Length);
socket.Send(BitConverter.GetBytes(s3MessageLenInt));
socket.Send(S3MsgToSend);
//lblGetS3MsgRet.Text = "S3 message created successfully.";
socket.Receive(statusBytes, 0, INT_SIZE, 0);
status = BitConverter.ToInt32(statusBytes, 0);
//server response
if (status == STATUS_SUCCEEDED)
{
Console.WriteLine("Now both parties have one shared secret and\ncan use any symmetrical encryption algorithm.");
}
//lblEnd.Text = "Now both parties have one shared secret and\ncan use any symmetrical encryption algorithm.";
else
{
Console.WriteLine("Server failed to verify S3 message.");
}
//lblEnd.Text = "Server failed to verify S3 message.";
break;
}
default:
Console.WriteLine("Failed to perform send and receive operation in\norder to get S3 message.");
//lblGetS3MsgRet.Text = "Failed to perform send and receive operation in\norder to get S3 message.";
break;
}
Marshal.FreeHGlobal(s3Msg);
//btnGetS3Msg.Enabled = false;
break;
}
default:
//lblGetS3MsgRet.Text = "Failed to perform send and receive operation in\norder to get S3 message length.";
Console.WriteLine("Failed to perform send and receive operation in\norder to get S3 message length.");
break;
}
Marshal.FreeHGlobal(s3MsgLen);
return(true);
}
