public ServerForm()
{
InitializeComponent();
this.serverCred = new ServerCurrentCredential(PackageNames.Negotiate);
this.serverContext = new ServerContext(
serverCred,
ContextAttrib.AcceptIntegrity |
ContextAttrib.ReplayDetect |
ContextAttrib.SequenceDetect |
ContextAttrib.MutualAuth |
ContextAttrib.Delegate |
ContextAttrib.Confidentiality,
true
);
this.server = new CustomServer();
this.server.Received += server_Received;
this.server.Disconnected += server_Disconnected;
this.FormClosing += Form1_FormClosing;
this.startButton.Click += startButton_Click;
this.stopButton.Click += stopButton_Click;
this.encryptButton.Click += encryptButton_Click;
this.signButton.Click += signButton_Click;
this.impersonateButton.Click += impersonateButton_Click;
this.running = false;
this.initializing = false;
this.connected = false;
UpdateButtons();
this.serverUsernameTextbox.Text = this.serverCred.PrincipleName;
}
private static void CredTest(string packageName)
{
ClientCurrentCredential clientCred = null;
ClientContext client = null;
ServerCurrentCredential serverCred = null;
ServerContext server = null;
byte[] clientToken;
byte[] serverToken;
SecurityStatus clientStatus;
SecurityStatus serverStatus;
try
{
clientCred = new ClientCurrentCredential(packageName);
serverCred = new ServerCurrentCredential(packageName);
Console.Out.WriteLine(clientCred.PrincipleName);
client = new ClientContext(
clientCred,
serverCred.PrincipleName,
ContextAttrib.MutualAuth |
ContextAttrib.InitIdentify |
ContextAttrib.Confidentiality |
ContextAttrib.ReplayDetect |
ContextAttrib.SequenceDetect |
ContextAttrib.Connection |
ContextAttrib.Delegate
);
server = new ServerContext(
serverCred,
ContextAttrib.MutualAuth |
ContextAttrib.AcceptIdentify |
ContextAttrib.Confidentiality |
ContextAttrib.ReplayDetect |
ContextAttrib.SequenceDetect |
ContextAttrib.Connection |
ContextAttrib.Delegate
);
clientToken = null;
serverToken = null;
clientStatus = client.Init(serverToken, out clientToken);
while (true)
{
serverStatus = server.AcceptToken(clientToken, out serverToken);
if (serverStatus != SecurityStatus.ContinueNeeded && clientStatus != SecurityStatus.ContinueNeeded)
{
break;
}
clientStatus = client.Init(serverToken, out clientToken);
if (serverStatus != SecurityStatus.ContinueNeeded && clientStatus != SecurityStatus.ContinueNeeded)
{
break;
}
}
Console.Out.WriteLine("Server authority: " + server.AuthorityName);
Console.Out.WriteLine("Server context user: "******"Client authority: " + client.AuthorityName);
Console.Out.WriteLine("Client context user: "******"Hello, world. This is a long message that will be encrypted";
string rtMessage;
byte[] plainText = new byte[Encoding.UTF8.GetByteCount(message)];
byte[] cipherText;
byte[] roundTripPlaintext;
Encoding.UTF8.GetBytes(message, 0, message.Length, plainText, 0);
cipherText = client.Encrypt(plainText);
roundTripPlaintext = server.Decrypt(cipherText);
if (roundTripPlaintext.Length != plainText.Length)
{
throw new Exception();
}
for (int i = 0; i < plainText.Length; i++)
{
if (plainText[i] != roundTripPlaintext[i])
{
throw new Exception();
}
}
rtMessage = Encoding.UTF8.GetString(roundTripPlaintext, 0, roundTripPlaintext.Length);
if (rtMessage.Equals(message) == false)
{
throw new Exception();
}
using (server.ImpersonateClient())
{
}
cipherText = client.MakeSignature(plainText);
bool goodSig = server.VerifySignature(cipherText, out roundTripPlaintext);
if (goodSig == false ||
roundTripPlaintext.Length != plainText.Length)
{
throw new Exception();
}
for (int i = 0; i < plainText.Length; i++)
{
if (plainText[i] != roundTripPlaintext[i])
{
throw new Exception();
}
}
Console.Out.Flush();
}
finally
{
if (server != null)
{
server.Dispose();
}
if (client != null)
{
client.Dispose();
}
if (clientCred != null)
{
clientCred.Dispose();
}
if (serverCred != null)
{
serverCred.Dispose();
}
}
}
